fixed libftdi
trunk/external/libelf/VC
trunk/external/libftdi1-1.3/ftdi_version_i.h
trunk/external/libftdi1-1.3/ftdi_version_i.h.in trunk/external/libftdi1-1.3/ftdi_i.h
trunk/external/libftdi1-1.3/ftdi.c trunk/external/libftdi1-1.3/ftdi.h trunk/external/libftdi1-1.3/ftdi_stream.c trunk/external/libftdi1-1.3/ftdi1-static.vcxproj (diff) trunk/external/libftdi1-1.3/ftdi1-static.vcxproj.filters (diff) trunk/external/libusb-1.0.21/msvc trunk/external/libusb-win32-src-1.2.6.0/projects trunk/external/readline trunk/avrdude.vcxproj (diff) trunk| @@ -1,11 +0,0 @@ | ||
| 1 | -#ifndef FTDI_VERSION_INTERNAL_H | |
| 2 | -#define FTDI_VERSION_INTERNAL_H | |
| 3 | - | |
| 4 | -#define FTDI_MAJOR_VERSION 1 | |
| 5 | -#define FTDI_MINOR_VERSION 3 | |
| 6 | -#define FTDI_MICRO_VERSION 0 | |
| 7 | - | |
| 8 | -const char FTDI_VERSION_STRING[] = "1.3"; | |
| 9 | -const char FTDI_SNAPSHOT_VERSION[] = "unknown"; | |
| 10 | - | |
| 11 | -#endif |
| @@ -1,11 +0,0 @@ | ||
| 1 | -#ifndef FTDI_VERSION_INTERNAL_H | |
| 2 | -#define FTDI_VERSION_INTERNAL_H | |
| 3 | - | |
| 4 | -#define FTDI_MAJOR_VERSION @MAJOR_VERSION@ | |
| 5 | -#define FTDI_MINOR_VERSION @MINOR_VERSION@ | |
| 6 | -#define FTDI_MICRO_VERSION 0 | |
| 7 | - | |
| 8 | -const char FTDI_VERSION_STRING[] = "@VERSION_STRING@"; | |
| 9 | -const char FTDI_SNAPSHOT_VERSION[] = "@SNAPSHOT_VERSION@"; | |
| 10 | - | |
| 11 | -#endif |
| @@ -1,143 +0,0 @@ | ||
| 1 | -/*************************************************************************** | |
| 2 | - ftdi_i.h - description | |
| 3 | - ------------------- | |
| 4 | - begin : Don Sep 9 2011 | |
| 5 | - copyright : (C) 2003-2014 by Intra2net AG and the libftdi developers | |
| 6 | - email : opensource@intra2net.com | |
| 7 | - ***************************************************************************/ | |
| 8 | - | |
| 9 | -/*************************************************************************** | |
| 10 | - * * | |
| 11 | - * This program is free software; you can redistribute it and/or modify * | |
| 12 | - * it under the terms of the GNU Lesser General Public License * | |
| 13 | - * version 2.1 as published by the Free Software Foundation; * | |
| 14 | - * * | |
| 15 | - *************************************************************************** | |
| 16 | - | |
| 17 | - Non public definitions here | |
| 18 | - | |
| 19 | -*/ | |
| 20 | - | |
| 21 | -/* Even on 93xx66 at max 256 bytes are used (AN_121)*/ | |
| 22 | -#define FTDI_MAX_EEPROM_SIZE 256 | |
| 23 | - | |
| 24 | -/** Max Power adjustment factor. */ | |
| 25 | -#define MAX_POWER_MILLIAMP_PER_UNIT 2 | |
| 26 | - | |
| 27 | -/** | |
| 28 | - \brief FTDI eeprom structure | |
| 29 | -*/ | |
| 30 | -struct ftdi_eeprom | |
| 31 | -{ | |
| 32 | - /** vendor id */ | |
| 33 | - int vendor_id; | |
| 34 | - /** product id */ | |
| 35 | - int product_id; | |
| 36 | - | |
| 37 | - /** Was the eeprom structure initialized for the actual | |
| 38 | - connected device? **/ | |
| 39 | - int initialized_for_connected_device; | |
| 40 | - | |
| 41 | - /** self powered */ | |
| 42 | - int self_powered; | |
| 43 | - /** remote wakeup */ | |
| 44 | - int remote_wakeup; | |
| 45 | - | |
| 46 | - int is_not_pnp; | |
| 47 | - | |
| 48 | - /* Suspend on DBUS7 Low */ | |
| 49 | - int suspend_dbus7; | |
| 50 | - | |
| 51 | - /** input in isochronous transfer mode */ | |
| 52 | - int in_is_isochronous; | |
| 53 | - /** output in isochronous transfer mode */ | |
| 54 | - int out_is_isochronous; | |
| 55 | - /** suspend pull downs */ | |
| 56 | - int suspend_pull_downs; | |
| 57 | - | |
| 58 | - /** use serial */ | |
| 59 | - int use_serial; | |
| 60 | - /** usb version */ | |
| 61 | - int usb_version; | |
| 62 | - /** Use usb version on FT2232 devices*/ | |
| 63 | - int use_usb_version; | |
| 64 | - /** maximum power */ | |
| 65 | - int max_power; | |
| 66 | - | |
| 67 | - /** manufacturer name */ | |
| 68 | - char *manufacturer; | |
| 69 | - /** product name */ | |
| 70 | - char *product; | |
| 71 | - /** serial number */ | |
| 72 | - char *serial; | |
| 73 | - | |
| 74 | - /* 2232D/H specific */ | |
| 75 | - /* Hardware type, 0 = RS232 Uart, 1 = 245 FIFO, 2 = CPU FIFO, | |
| 76 | - 4 = OPTO Isolate */ | |
| 77 | - int channel_a_type; | |
| 78 | - int channel_b_type; | |
| 79 | - /* Driver Type, 1 = VCP */ | |
| 80 | - int channel_a_driver; | |
| 81 | - int channel_b_driver; | |
| 82 | - int channel_c_driver; | |
| 83 | - int channel_d_driver; | |
| 84 | - /* 4232H specific */ | |
| 85 | - int channel_a_rs485enable; | |
| 86 | - int channel_b_rs485enable; | |
| 87 | - int channel_c_rs485enable; | |
| 88 | - int channel_d_rs485enable; | |
| 89 | - | |
| 90 | - /* Special function of FT232R/FT232H devices (and possibly others as well) */ | |
| 91 | - /** CBUS pin function. See CBUS_xxx defines. */ | |
| 92 | - int cbus_function[10]; | |
| 93 | - /** Select hight current drive on R devices. */ | |
| 94 | - int high_current; | |
| 95 | - /** Select hight current drive on A channel (2232C */ | |
| 96 | - int high_current_a; | |
| 97 | - /** Select hight current drive on B channel (2232C). */ | |
| 98 | - int high_current_b; | |
| 99 | - /** Select inversion of data lines (bitmask). */ | |
| 100 | - int invert; | |
| 101 | - /** Enable external oscillator. */ | |
| 102 | - int external_oscillator; | |
| 103 | - | |
| 104 | - /*2232H/4432H Group specific values */ | |
| 105 | - /* Group0 is AL on 2322H and A on 4232H | |
| 106 | - Group1 is AH on 2232H and B on 4232H | |
| 107 | - Group2 is BL on 2322H and C on 4232H | |
| 108 | - Group3 is BH on 2232H and C on 4232H*/ | |
| 109 | - int group0_drive; | |
| 110 | - int group0_schmitt; | |
| 111 | - int group0_slew; | |
| 112 | - int group1_drive; | |
| 113 | - int group1_schmitt; | |
| 114 | - int group1_slew; | |
| 115 | - int group2_drive; | |
| 116 | - int group2_schmitt; | |
| 117 | - int group2_slew; | |
| 118 | - int group3_drive; | |
| 119 | - int group3_schmitt; | |
| 120 | - int group3_slew; | |
| 121 | - | |
| 122 | - int powersave; | |
| 123 | - | |
| 124 | - int clock_polarity; | |
| 125 | - int data_order; | |
| 126 | - int flow_control; | |
| 127 | - | |
| 128 | - /** user data **/ | |
| 129 | - int user_data_addr; | |
| 130 | - int user_data_size; | |
| 131 | - const char *user_data; | |
| 132 | - | |
| 133 | - /** eeprom size in bytes. This doesn't get stored in the eeprom | |
| 134 | - but is the only way to pass it to ftdi_eeprom_build. */ | |
| 135 | - int size; | |
| 136 | - /* EEPROM Type 0x46 for 93xx46, 0x56 for 93xx56 and 0x66 for 93xx66*/ | |
| 137 | - int chip; | |
| 138 | - unsigned char buf[FTDI_MAX_EEPROM_SIZE]; | |
| 139 | - | |
| 140 | - /** device release number */ | |
| 141 | - int release_number; | |
| 142 | -}; | |
| 143 | - |
| @@ -1,4484 +0,0 @@ | ||
| 1 | -/*************************************************************************** | |
| 2 | - ftdi.c - description | |
| 3 | - ------------------- | |
| 4 | - begin : Fri Apr 4 2003 | |
| 5 | - copyright : (C) 2003-2014 by Intra2net AG and the libftdi developers | |
| 6 | - email : opensource@intra2net.com | |
| 7 | - ***************************************************************************/ | |
| 8 | - | |
| 9 | -/*************************************************************************** | |
| 10 | - * * | |
| 11 | - * This program is free software; you can redistribute it and/or modify * | |
| 12 | - * it under the terms of the GNU Lesser General Public License * | |
| 13 | - * version 2.1 as published by the Free Software Foundation; * | |
| 14 | - * * | |
| 15 | - ***************************************************************************/ | |
| 16 | - | |
| 17 | -/** | |
| 18 | - \mainpage libftdi API documentation | |
| 19 | - | |
| 20 | - Library to talk to FTDI chips. You find the latest versions of libftdi at | |
| 21 | - http://www.intra2net.com/en/developer/libftdi/ | |
| 22 | - | |
| 23 | - The library is easy to use. Have a look at this short example: | |
| 24 | - \include simple.c | |
| 25 | - | |
| 26 | - More examples can be found in the "examples" directory. | |
| 27 | -*/ | |
| 28 | -/** \addtogroup libftdi */ | |
| 29 | -/* @{ */ | |
| 30 | - | |
| 31 | -#include <libusb.h> | |
| 32 | -#include <string.h> | |
| 33 | -#include <errno.h> | |
| 34 | -#include <stdio.h> | |
| 35 | -#include <stdlib.h> | |
| 36 | - | |
| 37 | -#include "ftdi_i.h" | |
| 38 | -#include "ftdi.h" | |
| 39 | -#include "ftdi_version_i.h" | |
| 40 | - | |
| 41 | -#define ftdi_error_return(code, str) do { \ | |
| 42 | - if ( ftdi ) \ | |
| 43 | - ftdi->error_str = str; \ | |
| 44 | - else \ | |
| 45 | - fprintf(stderr, str); \ | |
| 46 | - return code; \ | |
| 47 | - } while(0); | |
| 48 | - | |
| 49 | -#define ftdi_error_return_free_device_list(code, str, devs) do { \ | |
| 50 | - libusb_free_device_list(devs,1); \ | |
| 51 | - ftdi->error_str = str; \ | |
| 52 | - return code; \ | |
| 53 | - } while(0); | |
| 54 | - | |
| 55 | - | |
| 56 | -/** | |
| 57 | - Internal function to close usb device pointer. | |
| 58 | - Sets ftdi->usb_dev to NULL. | |
| 59 | - \internal | |
| 60 | - | |
| 61 | - \param ftdi pointer to ftdi_context | |
| 62 | - | |
| 63 | - \retval none | |
| 64 | -*/ | |
| 65 | -static void ftdi_usb_close_internal (struct ftdi_context *ftdi) | |
| 66 | -{ | |
| 67 | - if (ftdi && ftdi->usb_dev) | |
| 68 | - { | |
| 69 | - libusb_close (ftdi->usb_dev); | |
| 70 | - ftdi->usb_dev = NULL; | |
| 71 | - if(ftdi->eeprom) | |
| 72 | - ftdi->eeprom->initialized_for_connected_device = 0; | |
| 73 | - } | |
| 74 | -} | |
| 75 | - | |
| 76 | -/** | |
| 77 | - Initializes a ftdi_context. | |
| 78 | - | |
| 79 | - \param ftdi pointer to ftdi_context | |
| 80 | - | |
| 81 | - \retval 0: all fine | |
| 82 | - \retval -1: couldn't allocate read buffer | |
| 83 | - \retval -2: couldn't allocate struct buffer | |
| 84 | - \retval -3: libusb_init() failed | |
| 85 | - | |
| 86 | - \remark This should be called before all functions | |
| 87 | -*/ | |
| 88 | -int ftdi_init(struct ftdi_context *ftdi) | |
| 89 | -{ | |
| 90 | - struct ftdi_eeprom* eeprom = (struct ftdi_eeprom *)malloc(sizeof(struct ftdi_eeprom)); | |
| 91 | - ftdi->usb_ctx = NULL; | |
| 92 | - ftdi->usb_dev = NULL; | |
| 93 | - ftdi->usb_read_timeout = 5000; | |
| 94 | - ftdi->usb_write_timeout = 5000; | |
| 95 | - | |
| 96 | - ftdi->type = TYPE_BM; /* chip type */ | |
| 97 | - ftdi->baudrate = -1; | |
| 98 | - ftdi->bitbang_enabled = 0; /* 0: normal mode 1: any of the bitbang modes enabled */ | |
| 99 | - | |
| 100 | - ftdi->readbuffer = NULL; | |
| 101 | - ftdi->readbuffer_offset = 0; | |
| 102 | - ftdi->readbuffer_remaining = 0; | |
| 103 | - ftdi->writebuffer_chunksize = 4096; | |
| 104 | - ftdi->max_packet_size = 0; | |
| 105 | - ftdi->error_str = NULL; | |
| 106 | - ftdi->module_detach_mode = AUTO_DETACH_SIO_MODULE; | |
| 107 | - | |
| 108 | - if (libusb_init(&ftdi->usb_ctx) < 0) | |
| 109 | - ftdi_error_return(-3, "libusb_init() failed"); | |
| 110 | - | |
| 111 | - ftdi_set_interface(ftdi, INTERFACE_ANY); | |
| 112 | - ftdi->bitbang_mode = 1; /* when bitbang is enabled this holds the number of the mode */ | |
| 113 | - | |
| 114 | - if (eeprom == 0) | |
| 115 | - ftdi_error_return(-2, "Can't malloc struct ftdi_eeprom"); | |
| 116 | - memset(eeprom, 0, sizeof(struct ftdi_eeprom)); | |
| 117 | - ftdi->eeprom = eeprom; | |
| 118 | - | |
| 119 | - /* All fine. Now allocate the readbuffer */ | |
| 120 | - return ftdi_read_data_set_chunksize(ftdi, 4096); | |
| 121 | -} | |
| 122 | - | |
| 123 | -/** | |
| 124 | - Allocate and initialize a new ftdi_context | |
| 125 | - | |
| 126 | - \return a pointer to a new ftdi_context, or NULL on failure | |
| 127 | -*/ | |
| 128 | -struct ftdi_context *ftdi_new(void) | |
| 129 | -{ | |
| 130 | - struct ftdi_context * ftdi = (struct ftdi_context *)malloc(sizeof(struct ftdi_context)); | |
| 131 | - | |
| 132 | - if (ftdi == NULL) | |
| 133 | - { | |
| 134 | - return NULL; | |
| 135 | - } | |
| 136 | - | |
| 137 | - if (ftdi_init(ftdi) != 0) | |
| 138 | - { | |
| 139 | - free(ftdi); | |
| 140 | - return NULL; | |
| 141 | - } | |
| 142 | - | |
| 143 | - return ftdi; | |
| 144 | -} | |
| 145 | - | |
| 146 | -/** | |
| 147 | - Open selected channels on a chip, otherwise use first channel. | |
| 148 | - | |
| 149 | - \param ftdi pointer to ftdi_context | |
| 150 | - \param interface Interface to use for FT2232C/2232H/4232H chips. | |
| 151 | - | |
| 152 | - \retval 0: all fine | |
| 153 | - \retval -1: unknown interface | |
| 154 | - \retval -2: USB device unavailable | |
| 155 | - \retval -3: Device already open, interface can't be set in that state | |
| 156 | -*/ | |
| 157 | -int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface) | |
| 158 | -{ | |
| 159 | - if (ftdi == NULL) | |
| 160 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 161 | - | |
| 162 | - if (ftdi->usb_dev != NULL) | |
| 163 | - { | |
| 164 | - int check_interface = interface; | |
| 165 | - if (check_interface == INTERFACE_ANY) | |
| 166 | - check_interface = INTERFACE_A; | |
| 167 | - | |
| 168 | - if (ftdi->index != check_interface) | |
| 169 | - ftdi_error_return(-3, "Interface can not be changed on an already open device"); | |
| 170 | - } | |
| 171 | - | |
| 172 | - switch (interface) | |
| 173 | - { | |
| 174 | - case INTERFACE_ANY: | |
| 175 | - case INTERFACE_A: | |
| 176 | - ftdi->interface = 0; | |
| 177 | - ftdi->index = INTERFACE_A; | |
| 178 | - ftdi->in_ep = 0x02; | |
| 179 | - ftdi->out_ep = 0x81; | |
| 180 | - break; | |
| 181 | - case INTERFACE_B: | |
| 182 | - ftdi->interface = 1; | |
| 183 | - ftdi->index = INTERFACE_B; | |
| 184 | - ftdi->in_ep = 0x04; | |
| 185 | - ftdi->out_ep = 0x83; | |
| 186 | - break; | |
| 187 | - case INTERFACE_C: | |
| 188 | - ftdi->interface = 2; | |
| 189 | - ftdi->index = INTERFACE_C; | |
| 190 | - ftdi->in_ep = 0x06; | |
| 191 | - ftdi->out_ep = 0x85; | |
| 192 | - break; | |
| 193 | - case INTERFACE_D: | |
| 194 | - ftdi->interface = 3; | |
| 195 | - ftdi->index = INTERFACE_D; | |
| 196 | - ftdi->in_ep = 0x08; | |
| 197 | - ftdi->out_ep = 0x87; | |
| 198 | - break; | |
| 199 | - default: | |
| 200 | - ftdi_error_return(-1, "Unknown interface"); | |
| 201 | - } | |
| 202 | - return 0; | |
| 203 | -} | |
| 204 | - | |
| 205 | -/** | |
| 206 | - Deinitializes a ftdi_context. | |
| 207 | - | |
| 208 | - \param ftdi pointer to ftdi_context | |
| 209 | -*/ | |
| 210 | -void ftdi_deinit(struct ftdi_context *ftdi) | |
| 211 | -{ | |
| 212 | - if (ftdi == NULL) | |
| 213 | - return; | |
| 214 | - | |
| 215 | - ftdi_usb_close_internal (ftdi); | |
| 216 | - | |
| 217 | - if (ftdi->readbuffer != NULL) | |
| 218 | - { | |
| 219 | - free(ftdi->readbuffer); | |
| 220 | - ftdi->readbuffer = NULL; | |
| 221 | - } | |
| 222 | - | |
| 223 | - if (ftdi->eeprom != NULL) | |
| 224 | - { | |
| 225 | - if (ftdi->eeprom->manufacturer != 0) | |
| 226 | - { | |
| 227 | - free(ftdi->eeprom->manufacturer); | |
| 228 | - ftdi->eeprom->manufacturer = 0; | |
| 229 | - } | |
| 230 | - if (ftdi->eeprom->product != 0) | |
| 231 | - { | |
| 232 | - free(ftdi->eeprom->product); | |
| 233 | - ftdi->eeprom->product = 0; | |
| 234 | - } | |
| 235 | - if (ftdi->eeprom->serial != 0) | |
| 236 | - { | |
| 237 | - free(ftdi->eeprom->serial); | |
| 238 | - ftdi->eeprom->serial = 0; | |
| 239 | - } | |
| 240 | - free(ftdi->eeprom); | |
| 241 | - ftdi->eeprom = NULL; | |
| 242 | - } | |
| 243 | - | |
| 244 | - if (ftdi->usb_ctx) | |
| 245 | - { | |
| 246 | - libusb_exit(ftdi->usb_ctx); | |
| 247 | - ftdi->usb_ctx = NULL; | |
| 248 | - } | |
| 249 | -} | |
| 250 | - | |
| 251 | -/** | |
| 252 | - Deinitialize and free an ftdi_context. | |
| 253 | - | |
| 254 | - \param ftdi pointer to ftdi_context | |
| 255 | -*/ | |
| 256 | -void ftdi_free(struct ftdi_context *ftdi) | |
| 257 | -{ | |
| 258 | - ftdi_deinit(ftdi); | |
| 259 | - free(ftdi); | |
| 260 | -} | |
| 261 | - | |
| 262 | -/** | |
| 263 | - Use an already open libusb device. | |
| 264 | - | |
| 265 | - \param ftdi pointer to ftdi_context | |
| 266 | - \param usb libusb libusb_device_handle to use | |
| 267 | -*/ | |
| 268 | -void ftdi_set_usbdev (struct ftdi_context *ftdi, libusb_device_handle *usb) | |
| 269 | -{ | |
| 270 | - if (ftdi == NULL) | |
| 271 | - return; | |
| 272 | - | |
| 273 | - ftdi->usb_dev = usb; | |
| 274 | -} | |
| 275 | - | |
| 276 | -/** | |
| 277 | - * @brief Get libftdi library version | |
| 278 | - * | |
| 279 | - * @return ftdi_version_info Library version information | |
| 280 | - **/ | |
| 281 | -struct ftdi_version_info ftdi_get_library_version(void) | |
| 282 | -{ | |
| 283 | - struct ftdi_version_info ver; | |
| 284 | - | |
| 285 | - ver.major = FTDI_MAJOR_VERSION; | |
| 286 | - ver.minor = FTDI_MINOR_VERSION; | |
| 287 | - ver.micro = FTDI_MICRO_VERSION; | |
| 288 | - ver.version_str = FTDI_VERSION_STRING; | |
| 289 | - ver.snapshot_str = FTDI_SNAPSHOT_VERSION; | |
| 290 | - | |
| 291 | - return ver; | |
| 292 | -} | |
| 293 | - | |
| 294 | -/** | |
| 295 | - Finds all ftdi devices with given VID:PID on the usb bus. Creates a new | |
| 296 | - ftdi_device_list which needs to be deallocated by ftdi_list_free() after | |
| 297 | - use. With VID:PID 0:0, search for the default devices | |
| 298 | - (0x403:0x6001, 0x403:0x6010, 0x403:0x6011, 0x403:0x6014, 0x403:0x6015) | |
| 299 | - | |
| 300 | - \param ftdi pointer to ftdi_context | |
| 301 | - \param devlist Pointer where to store list of found devices | |
| 302 | - \param vendor Vendor ID to search for | |
| 303 | - \param product Product ID to search for | |
| 304 | - | |
| 305 | - \retval >0: number of devices found | |
| 306 | - \retval -3: out of memory | |
| 307 | - \retval -5: libusb_get_device_list() failed | |
| 308 | - \retval -6: libusb_get_device_descriptor() failed | |
| 309 | -*/ | |
| 310 | -int ftdi_usb_find_all(struct ftdi_context *ftdi, struct ftdi_device_list **devlist, int vendor, int product) | |
| 311 | -{ | |
| 312 | - struct ftdi_device_list **curdev; | |
| 313 | - libusb_device *dev; | |
| 314 | - libusb_device **devs; | |
| 315 | - int count = 0; | |
| 316 | - int i = 0; | |
| 317 | - | |
| 318 | - if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0) | |
| 319 | - ftdi_error_return(-5, "libusb_get_device_list() failed"); | |
| 320 | - | |
| 321 | - curdev = devlist; | |
| 322 | - *curdev = NULL; | |
| 323 | - | |
| 324 | - while ((dev = devs[i++]) != NULL) | |
| 325 | - { | |
| 326 | - struct libusb_device_descriptor desc; | |
| 327 | - | |
| 328 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
| 329 | - ftdi_error_return_free_device_list(-6, "libusb_get_device_descriptor() failed", devs); | |
| 330 | - | |
| 331 | - if (((vendor || product) && | |
| 332 | - desc.idVendor == vendor && desc.idProduct == product) || | |
| 333 | - (!(vendor || product) && | |
| 334 | - (desc.idVendor == 0x403) && (desc.idProduct == 0x6001 || desc.idProduct == 0x6010 | |
| 335 | - || desc.idProduct == 0x6011 || desc.idProduct == 0x6014 | |
| 336 | - || desc.idProduct == 0x6015))) | |
| 337 | - { | |
| 338 | - *curdev = (struct ftdi_device_list*)malloc(sizeof(struct ftdi_device_list)); | |
| 339 | - if (!*curdev) | |
| 340 | - ftdi_error_return_free_device_list(-3, "out of memory", devs); | |
| 341 | - | |
| 342 | - (*curdev)->next = NULL; | |
| 343 | - (*curdev)->dev = dev; | |
| 344 | - libusb_ref_device(dev); | |
| 345 | - curdev = &(*curdev)->next; | |
| 346 | - count++; | |
| 347 | - } | |
| 348 | - } | |
| 349 | - libusb_free_device_list(devs,1); | |
| 350 | - return count; | |
| 351 | -} | |
| 352 | - | |
| 353 | -/** | |
| 354 | - Frees a usb device list. | |
| 355 | - | |
| 356 | - \param devlist USB device list created by ftdi_usb_find_all() | |
| 357 | -*/ | |
| 358 | -void ftdi_list_free(struct ftdi_device_list **devlist) | |
| 359 | -{ | |
| 360 | - struct ftdi_device_list *curdev, *next; | |
| 361 | - | |
| 362 | - for (curdev = *devlist; curdev != NULL;) | |
| 363 | - { | |
| 364 | - next = curdev->next; | |
| 365 | - libusb_unref_device(curdev->dev); | |
| 366 | - free(curdev); | |
| 367 | - curdev = next; | |
| 368 | - } | |
| 369 | - | |
| 370 | - *devlist = NULL; | |
| 371 | -} | |
| 372 | - | |
| 373 | -/** | |
| 374 | - Frees a usb device list. | |
| 375 | - | |
| 376 | - \param devlist USB device list created by ftdi_usb_find_all() | |
| 377 | -*/ | |
| 378 | -void ftdi_list_free2(struct ftdi_device_list *devlist) | |
| 379 | -{ | |
| 380 | - ftdi_list_free(&devlist); | |
| 381 | -} | |
| 382 | - | |
| 383 | -/** | |
| 384 | - Return device ID strings from the usb device. | |
| 385 | - | |
| 386 | - The parameters manufacturer, description and serial may be NULL | |
| 387 | - or pointer to buffers to store the fetched strings. | |
| 388 | - | |
| 389 | - \note Use this function only in combination with ftdi_usb_find_all() | |
| 390 | - as it closes the internal "usb_dev" after use. | |
| 391 | - | |
| 392 | - \param ftdi pointer to ftdi_context | |
| 393 | - \param dev libusb usb_dev to use | |
| 394 | - \param manufacturer Store manufacturer string here if not NULL | |
| 395 | - \param mnf_len Buffer size of manufacturer string | |
| 396 | - \param description Store product description string here if not NULL | |
| 397 | - \param desc_len Buffer size of product description string | |
| 398 | - \param serial Store serial string here if not NULL | |
| 399 | - \param serial_len Buffer size of serial string | |
| 400 | - | |
| 401 | - \retval 0: all fine | |
| 402 | - \retval -1: wrong arguments | |
| 403 | - \retval -4: unable to open device | |
| 404 | - \retval -7: get product manufacturer failed | |
| 405 | - \retval -8: get product description failed | |
| 406 | - \retval -9: get serial number failed | |
| 407 | - \retval -11: libusb_get_device_descriptor() failed | |
| 408 | -*/ | |
| 409 | -int ftdi_usb_get_strings(struct ftdi_context *ftdi, | |
| 410 | - struct libusb_device *dev, | |
| 411 | - char *manufacturer, int mnf_len, | |
| 412 | - char *description, int desc_len, | |
| 413 | - char *serial, int serial_len) | |
| 414 | -{ | |
| 415 | - int ret; | |
| 416 | - | |
| 417 | - if ((ftdi==NULL) || (dev==NULL)) | |
| 418 | - return -1; | |
| 419 | - | |
| 420 | - if (ftdi->usb_dev == NULL && libusb_open(dev, &ftdi->usb_dev) < 0) | |
| 421 | - ftdi_error_return(-4, "libusb_open() failed"); | |
| 422 | - | |
| 423 | - // ftdi->usb_dev will not be NULL when entering ftdi_usb_get_strings2(), so | |
| 424 | - // it won't be closed either. This allows us to close it whether we actually | |
| 425 | - // called libusb_open() up above or not. This matches the expected behavior | |
| 426 | - // (and note) for ftdi_usb_get_strings(). | |
| 427 | - ret = ftdi_usb_get_strings2(ftdi, dev, | |
| 428 | - manufacturer, mnf_len, | |
| 429 | - description, desc_len, | |
| 430 | - serial, serial_len); | |
| 431 | - | |
| 432 | - // only close it if it was successful, as all other return codes close | |
| 433 | - // before returning already. | |
| 434 | - if (ret == 0) | |
| 435 | - ftdi_usb_close_internal(ftdi); | |
| 436 | - | |
| 437 | - return ret; | |
| 438 | -} | |
| 439 | - | |
| 440 | -/** | |
| 441 | - Return device ID strings from the usb device. | |
| 442 | - | |
| 443 | - The parameters manufacturer, description and serial may be NULL | |
| 444 | - or pointer to buffers to store the fetched strings. | |
| 445 | - | |
| 446 | - \note The old function ftdi_usb_get_strings() always closes the device. | |
| 447 | - This version only closes the device if it was opened by it. | |
| 448 | - | |
| 449 | - \param ftdi pointer to ftdi_context | |
| 450 | - \param dev libusb usb_dev to use | |
| 451 | - \param manufacturer Store manufacturer string here if not NULL | |
| 452 | - \param mnf_len Buffer size of manufacturer string | |
| 453 | - \param description Store product description string here if not NULL | |
| 454 | - \param desc_len Buffer size of product description string | |
| 455 | - \param serial Store serial string here if not NULL | |
| 456 | - \param serial_len Buffer size of serial string | |
| 457 | - | |
| 458 | - \retval 0: all fine | |
| 459 | - \retval -1: wrong arguments | |
| 460 | - \retval -4: unable to open device | |
| 461 | - \retval -7: get product manufacturer failed | |
| 462 | - \retval -8: get product description failed | |
| 463 | - \retval -9: get serial number failed | |
| 464 | - \retval -11: libusb_get_device_descriptor() failed | |
| 465 | -*/ | |
| 466 | -int ftdi_usb_get_strings2(struct ftdi_context *ftdi, struct libusb_device *dev, | |
| 467 | - char *manufacturer, int mnf_len, | |
| 468 | - char *description, int desc_len, | |
| 469 | - char *serial, int serial_len) | |
| 470 | -{ | |
| 471 | - struct libusb_device_descriptor desc; | |
| 472 | - | |
| 473 | - if ((ftdi==NULL) || (dev==NULL)) | |
| 474 | - return -1; | |
| 475 | - | |
| 476 | - char need_open = (ftdi->usb_dev == NULL); | |
| 477 | - if (need_open && libusb_open(dev, &ftdi->usb_dev) < 0) | |
| 478 | - ftdi_error_return(-4, "libusb_open() failed"); | |
| 479 | - | |
| 480 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
| 481 | - ftdi_error_return(-11, "libusb_get_device_descriptor() failed"); | |
| 482 | - | |
| 483 | - if (manufacturer != NULL) | |
| 484 | - { | |
| 485 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iManufacturer, (unsigned char *)manufacturer, mnf_len) < 0) | |
| 486 | - { | |
| 487 | - ftdi_usb_close_internal (ftdi); | |
| 488 | - ftdi_error_return(-7, "libusb_get_string_descriptor_ascii() failed"); | |
| 489 | - } | |
| 490 | - } | |
| 491 | - | |
| 492 | - if (description != NULL) | |
| 493 | - { | |
| 494 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iProduct, (unsigned char *)description, desc_len) < 0) | |
| 495 | - { | |
| 496 | - ftdi_usb_close_internal (ftdi); | |
| 497 | - ftdi_error_return(-8, "libusb_get_string_descriptor_ascii() failed"); | |
| 498 | - } | |
| 499 | - } | |
| 500 | - | |
| 501 | - if (serial != NULL) | |
| 502 | - { | |
| 503 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iSerialNumber, (unsigned char *)serial, serial_len) < 0) | |
| 504 | - { | |
| 505 | - ftdi_usb_close_internal (ftdi); | |
| 506 | - ftdi_error_return(-9, "libusb_get_string_descriptor_ascii() failed"); | |
| 507 | - } | |
| 508 | - } | |
| 509 | - | |
| 510 | - if (need_open) | |
| 511 | - ftdi_usb_close_internal (ftdi); | |
| 512 | - | |
| 513 | - return 0; | |
| 514 | -} | |
| 515 | - | |
| 516 | -/** | |
| 517 | - * Internal function to determine the maximum packet size. | |
| 518 | - * \param ftdi pointer to ftdi_context | |
| 519 | - * \param dev libusb usb_dev to use | |
| 520 | - * \retval Maximum packet size for this device | |
| 521 | - */ | |
| 522 | -static unsigned int _ftdi_determine_max_packet_size(struct ftdi_context *ftdi, libusb_device *dev) | |
| 523 | -{ | |
| 524 | - struct libusb_device_descriptor desc; | |
| 525 | - struct libusb_config_descriptor *config0; | |
| 526 | - unsigned int packet_size; | |
| 527 | - | |
| 528 | - // Sanity check | |
| 529 | - if (ftdi == NULL || dev == NULL) | |
| 530 | - return 64; | |
| 531 | - | |
| 532 | - // Determine maximum packet size. Init with default value. | |
| 533 | - // New hi-speed devices from FTDI use a packet size of 512 bytes | |
| 534 | - // but could be connected to a normal speed USB hub -> 64 bytes packet size. | |
| 535 | - if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H) | |
| 536 | - packet_size = 512; | |
| 537 | - else | |
| 538 | - packet_size = 64; | |
| 539 | - | |
| 540 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
| 541 | - return packet_size; | |
| 542 | - | |
| 543 | - if (libusb_get_config_descriptor(dev, 0, &config0) < 0) | |
| 544 | - return packet_size; | |
| 545 | - | |
| 546 | - if (desc.bNumConfigurations > 0) | |
| 547 | - { | |
| 548 | - if (ftdi->interface < config0->bNumInterfaces) | |
| 549 | - { | |
| 550 | - struct libusb_interface interface = config0->interface[ftdi->interface]; | |
| 551 | - if (interface.num_altsetting > 0) | |
| 552 | - { | |
| 553 | - struct libusb_interface_descriptor descriptor = interface.altsetting[0]; | |
| 554 | - if (descriptor.bNumEndpoints > 0) | |
| 555 | - { | |
| 556 | - packet_size = descriptor.endpoint[0].wMaxPacketSize; | |
| 557 | - } | |
| 558 | - } | |
| 559 | - } | |
| 560 | - } | |
| 561 | - | |
| 562 | - libusb_free_config_descriptor (config0); | |
| 563 | - return packet_size; | |
| 564 | -} | |
| 565 | - | |
| 566 | -/** | |
| 567 | - Opens a ftdi device given by an usb_device. | |
| 568 | - | |
| 569 | - \param ftdi pointer to ftdi_context | |
| 570 | - \param dev libusb usb_dev to use | |
| 571 | - | |
| 572 | - \retval 0: all fine | |
| 573 | - \retval -3: unable to config device | |
| 574 | - \retval -4: unable to open device | |
| 575 | - \retval -5: unable to claim device | |
| 576 | - \retval -6: reset failed | |
| 577 | - \retval -7: set baudrate failed | |
| 578 | - \retval -8: ftdi context invalid | |
| 579 | - \retval -9: libusb_get_device_descriptor() failed | |
| 580 | - \retval -10: libusb_get_config_descriptor() failed | |
| 581 | - \retval -11: libusb_detach_kernel_driver() failed | |
| 582 | - \retval -12: libusb_get_configuration() failed | |
| 583 | -*/ | |
| 584 | -int ftdi_usb_open_dev(struct ftdi_context *ftdi, libusb_device *dev) | |
| 585 | -{ | |
| 586 | - struct libusb_device_descriptor desc; | |
| 587 | - struct libusb_config_descriptor *config0; | |
| 588 | - int cfg, cfg0, detach_errno = 0; | |
| 589 | - | |
| 590 | - if (ftdi == NULL) | |
| 591 | - ftdi_error_return(-8, "ftdi context invalid"); | |
| 592 | - | |
| 593 | - if (libusb_open(dev, &ftdi->usb_dev) < 0) | |
| 594 | - ftdi_error_return(-4, "libusb_open() failed"); | |
| 595 | - | |
| 596 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
| 597 | - ftdi_error_return(-9, "libusb_get_device_descriptor() failed"); | |
| 598 | - | |
| 599 | - if (libusb_get_config_descriptor(dev, 0, &config0) < 0) | |
| 600 | - ftdi_error_return(-10, "libusb_get_config_descriptor() failed"); | |
| 601 | - cfg0 = config0->bConfigurationValue; | |
| 602 | - libusb_free_config_descriptor (config0); | |
| 603 | - | |
| 604 | - // Try to detach ftdi_sio kernel module. | |
| 605 | - // | |
| 606 | - // The return code is kept in a separate variable and only parsed | |
| 607 | - // if usb_set_configuration() or usb_claim_interface() fails as the | |
| 608 | - // detach operation might be denied and everything still works fine. | |
| 609 | - // Likely scenario is a static ftdi_sio kernel module. | |
| 610 | - if (ftdi->module_detach_mode == AUTO_DETACH_SIO_MODULE) | |
| 611 | - { | |
| 612 | - if (libusb_detach_kernel_driver(ftdi->usb_dev, ftdi->interface) !=0) | |
| 613 | - detach_errno = errno; | |
| 614 | - } | |
| 615 | - | |
| 616 | - if (libusb_get_configuration (ftdi->usb_dev, &cfg) < 0) | |
| 617 | - ftdi_error_return(-12, "libusb_get_configuration () failed"); | |
| 618 | - // set configuration (needed especially for windows) | |
| 619 | - // tolerate EBUSY: one device with one configuration, but two interfaces | |
| 620 | - // and libftdi sessions to both interfaces (e.g. FT2232) | |
| 621 | - if (desc.bNumConfigurations > 0 && cfg != cfg0) | |
| 622 | - { | |
| 623 | - if (libusb_set_configuration(ftdi->usb_dev, cfg0) < 0) | |
| 624 | - { | |
| 625 | - ftdi_usb_close_internal (ftdi); | |
| 626 | - if (detach_errno == EPERM) | |
| 627 | - { | |
| 628 | - ftdi_error_return(-8, "inappropriate permissions on device!"); | |
| 629 | - } | |
| 630 | - else | |
| 631 | - { | |
| 632 | - ftdi_error_return(-3, "unable to set usb configuration. Make sure the default FTDI driver is not in use"); | |
| 633 | - } | |
| 634 | - } | |
| 635 | - } | |
| 636 | - | |
| 637 | - if (libusb_claim_interface(ftdi->usb_dev, ftdi->interface) < 0) | |
| 638 | - { | |
| 639 | - ftdi_usb_close_internal (ftdi); | |
| 640 | - if (detach_errno == EPERM) | |
| 641 | - { | |
| 642 | - ftdi_error_return(-8, "inappropriate permissions on device!"); | |
| 643 | - } | |
| 644 | - else | |
| 645 | - { | |
| 646 | - ftdi_error_return(-5, "unable to claim usb device. Make sure the default FTDI driver is not in use"); | |
| 647 | - } | |
| 648 | - } | |
| 649 | - | |
| 650 | - if (ftdi_usb_reset (ftdi) != 0) | |
| 651 | - { | |
| 652 | - ftdi_usb_close_internal (ftdi); | |
| 653 | - ftdi_error_return(-6, "ftdi_usb_reset failed"); | |
| 654 | - } | |
| 655 | - | |
| 656 | - // Try to guess chip type | |
| 657 | - // Bug in the BM type chips: bcdDevice is 0x200 for serial == 0 | |
| 658 | - if (desc.bcdDevice == 0x400 || (desc.bcdDevice == 0x200 | |
| 659 | - && desc.iSerialNumber == 0)) | |
| 660 | - ftdi->type = TYPE_BM; | |
| 661 | - else if (desc.bcdDevice == 0x200) | |
| 662 | - ftdi->type = TYPE_AM; | |
| 663 | - else if (desc.bcdDevice == 0x500) | |
| 664 | - ftdi->type = TYPE_2232C; | |
| 665 | - else if (desc.bcdDevice == 0x600) | |
| 666 | - ftdi->type = TYPE_R; | |
| 667 | - else if (desc.bcdDevice == 0x700) | |
| 668 | - ftdi->type = TYPE_2232H; | |
| 669 | - else if (desc.bcdDevice == 0x800) | |
| 670 | - ftdi->type = TYPE_4232H; | |
| 671 | - else if (desc.bcdDevice == 0x900) | |
| 672 | - ftdi->type = TYPE_232H; | |
| 673 | - else if (desc.bcdDevice == 0x1000) | |
| 674 | - ftdi->type = TYPE_230X; | |
| 675 | - | |
| 676 | - // Determine maximum packet size | |
| 677 | - ftdi->max_packet_size = _ftdi_determine_max_packet_size(ftdi, dev); | |
| 678 | - | |
| 679 | - if (ftdi_set_baudrate (ftdi, 9600) != 0) | |
| 680 | - { | |
| 681 | - ftdi_usb_close_internal (ftdi); | |
| 682 | - ftdi_error_return(-7, "set baudrate failed"); | |
| 683 | - } | |
| 684 | - | |
| 685 | - ftdi_error_return(0, "all fine"); | |
| 686 | -} | |
| 687 | - | |
| 688 | -/** | |
| 689 | - Opens the first device with a given vendor and product ids. | |
| 690 | - | |
| 691 | - \param ftdi pointer to ftdi_context | |
| 692 | - \param vendor Vendor ID | |
| 693 | - \param product Product ID | |
| 694 | - | |
| 695 | - \retval same as ftdi_usb_open_desc() | |
| 696 | -*/ | |
| 697 | -int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product) | |
| 698 | -{ | |
| 699 | - return ftdi_usb_open_desc(ftdi, vendor, product, NULL, NULL); | |
| 700 | -} | |
| 701 | - | |
| 702 | -/** | |
| 703 | - Opens the first device with a given, vendor id, product id, | |
| 704 | - description and serial. | |
| 705 | - | |
| 706 | - \param ftdi pointer to ftdi_context | |
| 707 | - \param vendor Vendor ID | |
| 708 | - \param product Product ID | |
| 709 | - \param description Description to search for. Use NULL if not needed. | |
| 710 | - \param serial Serial to search for. Use NULL if not needed. | |
| 711 | - | |
| 712 | - \retval 0: all fine | |
| 713 | - \retval -3: usb device not found | |
| 714 | - \retval -4: unable to open device | |
| 715 | - \retval -5: unable to claim device | |
| 716 | - \retval -6: reset failed | |
| 717 | - \retval -7: set baudrate failed | |
| 718 | - \retval -8: get product description failed | |
| 719 | - \retval -9: get serial number failed | |
| 720 | - \retval -12: libusb_get_device_list() failed | |
| 721 | - \retval -13: libusb_get_device_descriptor() failed | |
| 722 | -*/ | |
| 723 | -int ftdi_usb_open_desc(struct ftdi_context *ftdi, int vendor, int product, | |
| 724 | - const char* description, const char* serial) | |
| 725 | -{ | |
| 726 | - return ftdi_usb_open_desc_index(ftdi,vendor,product,description,serial,0); | |
| 727 | -} | |
| 728 | - | |
| 729 | -/** | |
| 730 | - Opens the index-th device with a given, vendor id, product id, | |
| 731 | - description and serial. | |
| 732 | - | |
| 733 | - \param ftdi pointer to ftdi_context | |
| 734 | - \param vendor Vendor ID | |
| 735 | - \param product Product ID | |
| 736 | - \param description Description to search for. Use NULL if not needed. | |
| 737 | - \param serial Serial to search for. Use NULL if not needed. | |
| 738 | - \param index Number of matching device to open if there are more than one, starts with 0. | |
| 739 | - | |
| 740 | - \retval 0: all fine | |
| 741 | - \retval -1: usb_find_busses() failed | |
| 742 | - \retval -2: usb_find_devices() failed | |
| 743 | - \retval -3: usb device not found | |
| 744 | - \retval -4: unable to open device | |
| 745 | - \retval -5: unable to claim device | |
| 746 | - \retval -6: reset failed | |
| 747 | - \retval -7: set baudrate failed | |
| 748 | - \retval -8: get product description failed | |
| 749 | - \retval -9: get serial number failed | |
| 750 | - \retval -10: unable to close device | |
| 751 | - \retval -11: ftdi context invalid | |
| 752 | -*/ | |
| 753 | -int ftdi_usb_open_desc_index(struct ftdi_context *ftdi, int vendor, int product, | |
| 754 | - const char* description, const char* serial, unsigned int index) | |
| 755 | -{ | |
| 756 | - libusb_device *dev; | |
| 757 | - libusb_device **devs; | |
| 758 | - char string[256]; | |
| 759 | - int i = 0; | |
| 760 | - | |
| 761 | - if (ftdi == NULL) | |
| 762 | - ftdi_error_return(-11, "ftdi context invalid"); | |
| 763 | - | |
| 764 | - if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0) | |
| 765 | - ftdi_error_return(-12, "libusb_get_device_list() failed"); | |
| 766 | - | |
| 767 | - while ((dev = devs[i++]) != NULL) | |
| 768 | - { | |
| 769 | - struct libusb_device_descriptor desc; | |
| 770 | - int res; | |
| 771 | - | |
| 772 | - if (libusb_get_device_descriptor(dev, &desc) < 0) | |
| 773 | - ftdi_error_return_free_device_list(-13, "libusb_get_device_descriptor() failed", devs); | |
| 774 | - | |
| 775 | - if (desc.idVendor == vendor && desc.idProduct == product) | |
| 776 | - { | |
| 777 | - if (libusb_open(dev, &ftdi->usb_dev) < 0) | |
| 778 | - ftdi_error_return_free_device_list(-4, "usb_open() failed", devs); | |
| 779 | - | |
| 780 | - if (description != NULL) | |
| 781 | - { | |
| 782 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iProduct, (unsigned char *)string, sizeof(string)) < 0) | |
| 783 | - { | |
| 784 | - ftdi_usb_close_internal (ftdi); | |
| 785 | - ftdi_error_return_free_device_list(-8, "unable to fetch product description", devs); | |
| 786 | - } | |
| 787 | - if (strncmp(string, description, sizeof(string)) != 0) | |
| 788 | - { | |
| 789 | - ftdi_usb_close_internal (ftdi); | |
| 790 | - continue; | |
| 791 | - } | |
| 792 | - } | |
| 793 | - if (serial != NULL) | |
| 794 | - { | |
| 795 | - if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iSerialNumber, (unsigned char *)string, sizeof(string)) < 0) | |
| 796 | - { | |
| 797 | - ftdi_usb_close_internal (ftdi); | |
| 798 | - ftdi_error_return_free_device_list(-9, "unable to fetch serial number", devs); | |
| 799 | - } | |
| 800 | - if (strncmp(string, serial, sizeof(string)) != 0) | |
| 801 | - { | |
| 802 | - ftdi_usb_close_internal (ftdi); | |
| 803 | - continue; | |
| 804 | - } | |
| 805 | - } | |
| 806 | - | |
| 807 | - ftdi_usb_close_internal (ftdi); | |
| 808 | - | |
| 809 | - if (index > 0) | |
| 810 | - { | |
| 811 | - index--; | |
| 812 | - continue; | |
| 813 | - } | |
| 814 | - | |
| 815 | - res = ftdi_usb_open_dev(ftdi, dev); | |
| 816 | - libusb_free_device_list(devs,1); | |
| 817 | - return res; | |
| 818 | - } | |
| 819 | - } | |
| 820 | - | |
| 821 | - // device not found | |
| 822 | - ftdi_error_return_free_device_list(-3, "device not found", devs); | |
| 823 | -} | |
| 824 | - | |
| 825 | -/** | |
| 826 | - Opens the ftdi-device described by a description-string. | |
| 827 | - Intended to be used for parsing a device-description given as commandline argument. | |
| 828 | - | |
| 829 | - \param ftdi pointer to ftdi_context | |
| 830 | - \param description NULL-terminated description-string, using this format: | |
| 831 | - \li <tt>d:\<devicenode></tt> path of bus and device-node (e.g. "003/001") within usb device tree (usually at /proc/bus/usb/) | |
| 832 | - \li <tt>i:\<vendor>:\<product></tt> first device with given vendor and product id, ids can be decimal, octal (preceded by "0") or hex (preceded by "0x") | |
| 833 | - \li <tt>i:\<vendor>:\<product>:\<index></tt> as above with index being the number of the device (starting with 0) if there are more than one | |
| 834 | - \li <tt>s:\<vendor>:\<product>:\<serial></tt> first device with given vendor id, product id and serial string | |
| 835 | - | |
| 836 | - \note The description format may be extended in later versions. | |
| 837 | - | |
| 838 | - \retval 0: all fine | |
| 839 | - \retval -2: libusb_get_device_list() failed | |
| 840 | - \retval -3: usb device not found | |
| 841 | - \retval -4: unable to open device | |
| 842 | - \retval -5: unable to claim device | |
| 843 | - \retval -6: reset failed | |
| 844 | - \retval -7: set baudrate failed | |
| 845 | - \retval -8: get product description failed | |
| 846 | - \retval -9: get serial number failed | |
| 847 | - \retval -10: unable to close device | |
| 848 | - \retval -11: illegal description format | |
| 849 | - \retval -12: ftdi context invalid | |
| 850 | -*/ | |
| 851 | -int ftdi_usb_open_string(struct ftdi_context *ftdi, const char* description) | |
| 852 | -{ | |
| 853 | - if (ftdi == NULL) | |
| 854 | - ftdi_error_return(-12, "ftdi context invalid"); | |
| 855 | - | |
| 856 | - if (description[0] == 0 || description[1] != ':') | |
| 857 | - ftdi_error_return(-11, "illegal description format"); | |
| 858 | - | |
| 859 | - if (description[0] == 'd') | |
| 860 | - { | |
| 861 | - libusb_device *dev; | |
| 862 | - libusb_device **devs; | |
| 863 | - unsigned int bus_number, device_address; | |
| 864 | - int i = 0; | |
| 865 | - | |
| 866 | - if (libusb_get_device_list(ftdi->usb_ctx, &devs) < 0) | |
| 867 | - ftdi_error_return(-2, "libusb_get_device_list() failed"); | |
| 868 | - | |
| 869 | - /* XXX: This doesn't handle symlinks/odd paths/etc... */ | |
| 870 | - if (sscanf (description + 2, "%u/%u", &bus_number, &device_address) != 2) | |
| 871 | - ftdi_error_return_free_device_list(-11, "illegal description format", devs); | |
| 872 | - | |
| 873 | - while ((dev = devs[i++]) != NULL) | |
| 874 | - { | |
| 875 | - int ret; | |
| 876 | - if (bus_number == libusb_get_bus_number (dev) | |
| 877 | - && device_address == libusb_get_device_address (dev)) | |
| 878 | - { | |
| 879 | - ret = ftdi_usb_open_dev(ftdi, dev); | |
| 880 | - libusb_free_device_list(devs,1); | |
| 881 | - return ret; | |
| 882 | - } | |
| 883 | - } | |
| 884 | - | |
| 885 | - // device not found | |
| 886 | - ftdi_error_return_free_device_list(-3, "device not found", devs); | |
| 887 | - } | |
| 888 | - else if (description[0] == 'i' || description[0] == 's') | |
| 889 | - { | |
| 890 | - unsigned int vendor; | |
| 891 | - unsigned int product; | |
| 892 | - unsigned int index=0; | |
| 893 | - const char *serial=NULL; | |
| 894 | - const char *startp, *endp; | |
| 895 | - | |
| 896 | - errno=0; | |
| 897 | - startp=description+2; | |
| 898 | - vendor=strtoul((char*)startp,(char**)&endp,0); | |
| 899 | - if (*endp != ':' || endp == startp || errno != 0) | |
| 900 | - ftdi_error_return(-11, "illegal description format"); | |
| 901 | - | |
| 902 | - startp=endp+1; | |
| 903 | - product=strtoul((char*)startp,(char**)&endp,0); | |
| 904 | - if (endp == startp || errno != 0) | |
| 905 | - ftdi_error_return(-11, "illegal description format"); | |
| 906 | - | |
| 907 | - if (description[0] == 'i' && *endp != 0) | |
| 908 | - { | |
| 909 | - /* optional index field in i-mode */ | |
| 910 | - if (*endp != ':') | |
| 911 | - ftdi_error_return(-11, "illegal description format"); | |
| 912 | - | |
| 913 | - startp=endp+1; | |
| 914 | - index=strtoul((char*)startp,(char**)&endp,0); | |
| 915 | - if (*endp != 0 || endp == startp || errno != 0) | |
| 916 | - ftdi_error_return(-11, "illegal description format"); | |
| 917 | - } | |
| 918 | - if (description[0] == 's') | |
| 919 | - { | |
| 920 | - if (*endp != ':') | |
| 921 | - ftdi_error_return(-11, "illegal description format"); | |
| 922 | - | |
| 923 | - /* rest of the description is the serial */ | |
| 924 | - serial=endp+1; | |
| 925 | - } | |
| 926 | - | |
| 927 | - return ftdi_usb_open_desc_index(ftdi, vendor, product, NULL, serial, index); | |
| 928 | - } | |
| 929 | - else | |
| 930 | - { | |
| 931 | - ftdi_error_return(-11, "illegal description format"); | |
| 932 | - } | |
| 933 | -} | |
| 934 | - | |
| 935 | -/** | |
| 936 | - Resets the ftdi device. | |
| 937 | - | |
| 938 | - \param ftdi pointer to ftdi_context | |
| 939 | - | |
| 940 | - \retval 0: all fine | |
| 941 | - \retval -1: FTDI reset failed | |
| 942 | - \retval -2: USB device unavailable | |
| 943 | -*/ | |
| 944 | -int ftdi_usb_reset(struct ftdi_context *ftdi) | |
| 945 | -{ | |
| 946 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 947 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 948 | - | |
| 949 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 950 | - SIO_RESET_REQUEST, SIO_RESET_SIO, | |
| 951 | - ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 952 | - ftdi_error_return(-1,"FTDI reset failed"); | |
| 953 | - | |
| 954 | - // Invalidate data in the readbuffer | |
| 955 | - ftdi->readbuffer_offset = 0; | |
| 956 | - ftdi->readbuffer_remaining = 0; | |
| 957 | - | |
| 958 | - return 0; | |
| 959 | -} | |
| 960 | - | |
| 961 | -/** | |
| 962 | - Clears the read buffer on the chip and the internal read buffer. | |
| 963 | - | |
| 964 | - \param ftdi pointer to ftdi_context | |
| 965 | - | |
| 966 | - \retval 0: all fine | |
| 967 | - \retval -1: read buffer purge failed | |
| 968 | - \retval -2: USB device unavailable | |
| 969 | -*/ | |
| 970 | -int ftdi_usb_purge_rx_buffer(struct ftdi_context *ftdi) | |
| 971 | -{ | |
| 972 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 973 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 974 | - | |
| 975 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 976 | - SIO_RESET_REQUEST, SIO_RESET_PURGE_RX, | |
| 977 | - ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 978 | - ftdi_error_return(-1, "FTDI purge of RX buffer failed"); | |
| 979 | - | |
| 980 | - // Invalidate data in the readbuffer | |
| 981 | - ftdi->readbuffer_offset = 0; | |
| 982 | - ftdi->readbuffer_remaining = 0; | |
| 983 | - | |
| 984 | - return 0; | |
| 985 | -} | |
| 986 | - | |
| 987 | -/** | |
| 988 | - Clears the write buffer on the chip. | |
| 989 | - | |
| 990 | - \param ftdi pointer to ftdi_context | |
| 991 | - | |
| 992 | - \retval 0: all fine | |
| 993 | - \retval -1: write buffer purge failed | |
| 994 | - \retval -2: USB device unavailable | |
| 995 | -*/ | |
| 996 | -int ftdi_usb_purge_tx_buffer(struct ftdi_context *ftdi) | |
| 997 | -{ | |
| 998 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 999 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 1000 | - | |
| 1001 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 1002 | - SIO_RESET_REQUEST, SIO_RESET_PURGE_TX, | |
| 1003 | - ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 1004 | - ftdi_error_return(-1, "FTDI purge of TX buffer failed"); | |
| 1005 | - | |
| 1006 | - return 0; | |
| 1007 | -} | |
| 1008 | - | |
| 1009 | -/** | |
| 1010 | - Clears the buffers on the chip and the internal read buffer. | |
| 1011 | - | |
| 1012 | - \param ftdi pointer to ftdi_context | |
| 1013 | - | |
| 1014 | - \retval 0: all fine | |
| 1015 | - \retval -1: read buffer purge failed | |
| 1016 | - \retval -2: write buffer purge failed | |
| 1017 | - \retval -3: USB device unavailable | |
| 1018 | -*/ | |
| 1019 | -int ftdi_usb_purge_buffers(struct ftdi_context *ftdi) | |
| 1020 | -{ | |
| 1021 | - int result; | |
| 1022 | - | |
| 1023 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 1024 | - ftdi_error_return(-3, "USB device unavailable"); | |
| 1025 | - | |
| 1026 | - result = ftdi_usb_purge_rx_buffer(ftdi); | |
| 1027 | - if (result < 0) | |
| 1028 | - return -1; | |
| 1029 | - | |
| 1030 | - result = ftdi_usb_purge_tx_buffer(ftdi); | |
| 1031 | - if (result < 0) | |
| 1032 | - return -2; | |
| 1033 | - | |
| 1034 | - return 0; | |
| 1035 | -} | |
| 1036 | - | |
| 1037 | - | |
| 1038 | - | |
| 1039 | -/** | |
| 1040 | - Closes the ftdi device. Call ftdi_deinit() if you're cleaning up. | |
| 1041 | - | |
| 1042 | - \param ftdi pointer to ftdi_context | |
| 1043 | - | |
| 1044 | - \retval 0: all fine | |
| 1045 | - \retval -1: usb_release failed | |
| 1046 | - \retval -3: ftdi context invalid | |
| 1047 | -*/ | |
| 1048 | -int ftdi_usb_close(struct ftdi_context *ftdi) | |
| 1049 | -{ | |
| 1050 | - int rtn = 0; | |
| 1051 | - | |
| 1052 | - if (ftdi == NULL) | |
| 1053 | - ftdi_error_return(-3, "ftdi context invalid"); | |
| 1054 | - | |
| 1055 | - if (ftdi->usb_dev != NULL) | |
| 1056 | - if (libusb_release_interface(ftdi->usb_dev, ftdi->interface) < 0) | |
| 1057 | - rtn = -1; | |
| 1058 | - | |
| 1059 | - ftdi_usb_close_internal (ftdi); | |
| 1060 | - | |
| 1061 | - return rtn; | |
| 1062 | -} | |
| 1063 | - | |
| 1064 | -/* ftdi_to_clkbits_AM For the AM device, convert a requested baudrate | |
| 1065 | - to encoded divisor and the achievable baudrate | |
| 1066 | - Function is only used internally | |
| 1067 | - \internal | |
| 1068 | - | |
| 1069 | - See AN120 | |
| 1070 | - clk/1 -> 0 | |
| 1071 | - clk/1.5 -> 1 | |
| 1072 | - clk/2 -> 2 | |
| 1073 | - From /2, 0.125/ 0.25 and 0.5 steps may be taken | |
| 1074 | - The fractional part has frac_code encoding | |
| 1075 | -*/ | |
| 1076 | -static int ftdi_to_clkbits_AM(int baudrate, unsigned long *encoded_divisor) | |
| 1077 | - | |
| 1078 | -{ | |
| 1079 | - static const char frac_code[8] = {0, 3, 2, 4, 1, 5, 6, 7}; | |
| 1080 | - static const char am_adjust_up[8] = {0, 0, 0, 1, 0, 3, 2, 1}; | |
| 1081 | - static const char am_adjust_dn[8] = {0, 0, 0, 1, 0, 1, 2, 3}; | |
| 1082 | - int divisor, best_divisor, best_baud, best_baud_diff; | |
| 1083 | - int i; | |
| 1084 | - divisor = 24000000 / baudrate; | |
| 1085 | - | |
| 1086 | - // Round down to supported fraction (AM only) | |
| 1087 | - divisor -= am_adjust_dn[divisor & 7]; | |
| 1088 | - | |
| 1089 | - // Try this divisor and the one above it (because division rounds down) | |
| 1090 | - best_divisor = 0; | |
| 1091 | - best_baud = 0; | |
| 1092 | - best_baud_diff = 0; | |
| 1093 | - for (i = 0; i < 2; i++) | |
| 1094 | - { | |
| 1095 | - int try_divisor = divisor + i; | |
| 1096 | - int baud_estimate; | |
| 1097 | - int baud_diff; | |
| 1098 | - | |
| 1099 | - // Round up to supported divisor value | |
| 1100 | - if (try_divisor <= 8) | |
| 1101 | - { | |
| 1102 | - // Round up to minimum supported divisor | |
| 1103 | - try_divisor = 8; | |
| 1104 | - } | |
| 1105 | - else if (divisor < 16) | |
| 1106 | - { | |
| 1107 | - // AM doesn't support divisors 9 through 15 inclusive | |
| 1108 | - try_divisor = 16; | |
| 1109 | - } | |
| 1110 | - else | |
| 1111 | - { | |
| 1112 | - // Round up to supported fraction (AM only) | |
| 1113 | - try_divisor += am_adjust_up[try_divisor & 7]; | |
| 1114 | - if (try_divisor > 0x1FFF8) | |
| 1115 | - { | |
| 1116 | - // Round down to maximum supported divisor value (for AM) | |
| 1117 | - try_divisor = 0x1FFF8; | |
| 1118 | - } | |
| 1119 | - } | |
| 1120 | - // Get estimated baud rate (to nearest integer) | |
| 1121 | - baud_estimate = (24000000 + (try_divisor / 2)) / try_divisor; | |
| 1122 | - // Get absolute difference from requested baud rate | |
| 1123 | - if (baud_estimate < baudrate) | |
| 1124 | - { | |
| 1125 | - baud_diff = baudrate - baud_estimate; | |
| 1126 | - } | |
| 1127 | - else | |
| 1128 | - { | |
| 1129 | - baud_diff = baud_estimate - baudrate; | |
| 1130 | - } | |
| 1131 | - if (i == 0 || baud_diff < best_baud_diff) | |
| 1132 | - { | |
| 1133 | - // Closest to requested baud rate so far | |
| 1134 | - best_divisor = try_divisor; | |
| 1135 | - best_baud = baud_estimate; | |
| 1136 | - best_baud_diff = baud_diff; | |
| 1137 | - if (baud_diff == 0) | |
| 1138 | - { | |
| 1139 | - // Spot on! No point trying | |
| 1140 | - break; | |
| 1141 | - } | |
| 1142 | - } | |
| 1143 | - } | |
| 1144 | - // Encode the best divisor value | |
| 1145 | - *encoded_divisor = (best_divisor >> 3) | (frac_code[best_divisor & 7] << 14); | |
| 1146 | - // Deal with special cases for encoded value | |
| 1147 | - if (*encoded_divisor == 1) | |
| 1148 | - { | |
| 1149 | - *encoded_divisor = 0; // 3000000 baud | |
| 1150 | - } | |
| 1151 | - else if (*encoded_divisor == 0x4001) | |
| 1152 | - { | |
| 1153 | - *encoded_divisor = 1; // 2000000 baud (BM only) | |
| 1154 | - } | |
| 1155 | - return best_baud; | |
| 1156 | -} | |
| 1157 | - | |
| 1158 | -/* ftdi_to_clkbits Convert a requested baudrate for a given system clock and predivisor | |
| 1159 | - to encoded divisor and the achievable baudrate | |
| 1160 | - Function is only used internally | |
| 1161 | - \internal | |
| 1162 | - | |
| 1163 | - See AN120 | |
| 1164 | - clk/1 -> 0 | |
| 1165 | - clk/1.5 -> 1 | |
| 1166 | - clk/2 -> 2 | |
| 1167 | - From /2, 0.125 steps may be taken. | |
| 1168 | - The fractional part has frac_code encoding | |
| 1169 | - | |
| 1170 | - value[13:0] of value is the divisor | |
| 1171 | - index[9] mean 12 MHz Base(120 MHz/10) rate versus 3 MHz (48 MHz/16) else | |
| 1172 | - | |
| 1173 | - H Type have all features above with | |
| 1174 | - {index[8],value[15:14]} is the encoded subdivisor | |
| 1175 | - | |
| 1176 | - FT232R, FT2232 and FT232BM have no option for 12 MHz and with | |
| 1177 | - {index[0],value[15:14]} is the encoded subdivisor | |
| 1178 | - | |
| 1179 | - AM Type chips have only four fractional subdivisors at value[15:14] | |
| 1180 | - for subdivisors 0, 0.5, 0.25, 0.125 | |
| 1181 | -*/ | |
| 1182 | -static int ftdi_to_clkbits(int baudrate, unsigned int clk, int clk_div, unsigned long *encoded_divisor) | |
| 1183 | -{ | |
| 1184 | - static const char frac_code[8] = {0, 3, 2, 4, 1, 5, 6, 7}; | |
| 1185 | - int best_baud = 0; | |
| 1186 | - int divisor, best_divisor; | |
| 1187 | - if (baudrate >= clk/clk_div) | |
| 1188 | - { | |
| 1189 | - *encoded_divisor = 0; | |
| 1190 | - best_baud = clk/clk_div; | |
| 1191 | - } | |
| 1192 | - else if (baudrate >= clk/(clk_div + clk_div/2)) | |
| 1193 | - { | |
| 1194 | - *encoded_divisor = 1; | |
| 1195 | - best_baud = clk/(clk_div + clk_div/2); | |
| 1196 | - } | |
| 1197 | - else if (baudrate >= clk/(2*clk_div)) | |
| 1198 | - { | |
| 1199 | - *encoded_divisor = 2; | |
| 1200 | - best_baud = clk/(2*clk_div); | |
| 1201 | - } | |
| 1202 | - else | |
| 1203 | - { | |
| 1204 | - /* We divide by 16 to have 3 fractional bits and one bit for rounding */ | |
| 1205 | - divisor = clk*16/clk_div / baudrate; | |
| 1206 | - if (divisor & 1) /* Decide if to round up or down*/ | |
| 1207 | - best_divisor = divisor /2 +1; | |
| 1208 | - else | |
| 1209 | - best_divisor = divisor/2; | |
| 1210 | - if(best_divisor > 0x20000) | |
| 1211 | - best_divisor = 0x1ffff; | |
| 1212 | - best_baud = clk*16/clk_div/best_divisor; | |
| 1213 | - if (best_baud & 1) /* Decide if to round up or down*/ | |
| 1214 | - best_baud = best_baud /2 +1; | |
| 1215 | - else | |
| 1216 | - best_baud = best_baud /2; | |
| 1217 | - *encoded_divisor = (best_divisor >> 3) | (frac_code[best_divisor & 0x7] << 14); | |
| 1218 | - } | |
| 1219 | - return best_baud; | |
| 1220 | -} | |
| 1221 | -/** | |
| 1222 | - ftdi_convert_baudrate returns nearest supported baud rate to that requested. | |
| 1223 | - Function is only used internally | |
| 1224 | - \internal | |
| 1225 | -*/ | |
| 1226 | -static int ftdi_convert_baudrate(int baudrate, struct ftdi_context *ftdi, | |
| 1227 | - unsigned short *value, unsigned short *index) | |
| 1228 | -{ | |
| 1229 | - int best_baud; | |
| 1230 | - unsigned long encoded_divisor; | |
| 1231 | - | |
| 1232 | - if (baudrate <= 0) | |
| 1233 | - { | |
| 1234 | - // Return error | |
| 1235 | - return -1; | |
| 1236 | - } | |
| 1237 | - | |
| 1238 | -#define H_CLK 120000000 | |
| 1239 | -#define C_CLK 48000000 | |
| 1240 | - if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H) || (ftdi->type == TYPE_232H)) | |
| 1241 | - { | |
| 1242 | - if(baudrate*10 > H_CLK /0x3fff) | |
| 1243 | - { | |
| 1244 | - /* On H Devices, use 12 000 000 Baudrate when possible | |
| 1245 | - We have a 14 bit divisor, a 1 bit divisor switch (10 or 16) | |
| 1246 | - three fractional bits and a 120 MHz clock | |
| 1247 | - Assume AN_120 "Sub-integer divisors between 0 and 2 are not allowed" holds for | |
| 1248 | - DIV/10 CLK too, so /1, /1.5 and /2 can be handled the same*/ | |
| 1249 | - best_baud = ftdi_to_clkbits(baudrate, H_CLK, 10, &encoded_divisor); | |
| 1250 | - encoded_divisor |= 0x20000; /* switch on CLK/10*/ | |
| 1251 | - } | |
| 1252 | - else | |
| 1253 | - best_baud = ftdi_to_clkbits(baudrate, C_CLK, 16, &encoded_divisor); | |
| 1254 | - } | |
| 1255 | - else if ((ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C) || (ftdi->type == TYPE_R )) | |
| 1256 | - { | |
| 1257 | - best_baud = ftdi_to_clkbits(baudrate, C_CLK, 16, &encoded_divisor); | |
| 1258 | - } | |
| 1259 | - else | |
| 1260 | - { | |
| 1261 | - best_baud = ftdi_to_clkbits_AM(baudrate, &encoded_divisor); | |
| 1262 | - } | |
| 1263 | - // Split into "value" and "index" values | |
| 1264 | - *value = (unsigned short)(encoded_divisor & 0xFFFF); | |
| 1265 | - if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H) | |
| 1266 | - { | |
| 1267 | - *index = (unsigned short)(encoded_divisor >> 8); | |
| 1268 | - *index &= 0xFF00; | |
| 1269 | - *index |= ftdi->index; | |
| 1270 | - } | |
| 1271 | - else | |
| 1272 | - *index = (unsigned short)(encoded_divisor >> 16); | |
| 1273 | - | |
| 1274 | - // Return the nearest baud rate | |
| 1275 | - return best_baud; | |
| 1276 | -} | |
| 1277 | - | |
| 1278 | -/** | |
| 1279 | - * @brief Wrapper function to export ftdi_convert_baudrate() to the unit test | |
| 1280 | - * Do not use, it's only for the unit test framework | |
| 1281 | - **/ | |
| 1282 | -int convert_baudrate_UT_export(int baudrate, struct ftdi_context *ftdi, | |
| 1283 | - unsigned short *value, unsigned short *index) | |
| 1284 | -{ | |
| 1285 | - return ftdi_convert_baudrate(baudrate, ftdi, value, index); | |
| 1286 | -} | |
| 1287 | - | |
| 1288 | -/** | |
| 1289 | - Sets the chip baud rate | |
| 1290 | - | |
| 1291 | - \param ftdi pointer to ftdi_context | |
| 1292 | - \param baudrate baud rate to set | |
| 1293 | - | |
| 1294 | - \retval 0: all fine | |
| 1295 | - \retval -1: invalid baudrate | |
| 1296 | - \retval -2: setting baudrate failed | |
| 1297 | - \retval -3: USB device unavailable | |
| 1298 | -*/ | |
| 1299 | -int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate) | |
| 1300 | -{ | |
| 1301 | - unsigned short value, index; | |
| 1302 | - int actual_baudrate; | |
| 1303 | - | |
| 1304 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 1305 | - ftdi_error_return(-3, "USB device unavailable"); | |
| 1306 | - | |
| 1307 | - if (ftdi->bitbang_enabled) | |
| 1308 | - { | |
| 1309 | - baudrate = baudrate*4; | |
| 1310 | - } | |
| 1311 | - | |
| 1312 | - actual_baudrate = ftdi_convert_baudrate(baudrate, ftdi, &value, &index); | |
| 1313 | - if (actual_baudrate <= 0) | |
| 1314 | - ftdi_error_return (-1, "Silly baudrate <= 0."); | |
| 1315 | - | |
| 1316 | - // Check within tolerance (about 5%) | |
| 1317 | - if ((actual_baudrate * 2 < baudrate /* Catch overflows */ ) | |
| 1318 | - || ((actual_baudrate < baudrate) | |
| 1319 | - ? (actual_baudrate * 21 < baudrate * 20) | |
| 1320 | - : (baudrate * 21 < actual_baudrate * 20))) | |
| 1321 | - ftdi_error_return (-1, "Unsupported baudrate. Note: bitbang baudrates are automatically multiplied by 4"); | |
| 1322 | - | |
| 1323 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 1324 | - SIO_SET_BAUDRATE_REQUEST, value, | |
| 1325 | - index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 1326 | - ftdi_error_return (-2, "Setting new baudrate failed"); | |
| 1327 | - | |
| 1328 | - ftdi->baudrate = baudrate; | |
| 1329 | - return 0; | |
| 1330 | -} | |
| 1331 | - | |
| 1332 | -/** | |
| 1333 | - Set (RS232) line characteristics. | |
| 1334 | - The break type can only be set via ftdi_set_line_property2() | |
| 1335 | - and defaults to "off". | |
| 1336 | - | |
| 1337 | - \param ftdi pointer to ftdi_context | |
| 1338 | - \param bits Number of bits | |
| 1339 | - \param sbit Number of stop bits | |
| 1340 | - \param parity Parity mode | |
| 1341 | - | |
| 1342 | - \retval 0: all fine | |
| 1343 | - \retval -1: Setting line property failed | |
| 1344 | -*/ | |
| 1345 | -int ftdi_set_line_property(struct ftdi_context *ftdi, enum ftdi_bits_type bits, | |
| 1346 | - enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity) | |
| 1347 | -{ | |
| 1348 | - return ftdi_set_line_property2(ftdi, bits, sbit, parity, BREAK_OFF); | |
| 1349 | -} | |
| 1350 | - | |
| 1351 | -/** | |
| 1352 | - Set (RS232) line characteristics | |
| 1353 | - | |
| 1354 | - \param ftdi pointer to ftdi_context | |
| 1355 | - \param bits Number of bits | |
| 1356 | - \param sbit Number of stop bits | |
| 1357 | - \param parity Parity mode | |
| 1358 | - \param break_type Break type | |
| 1359 | - | |
| 1360 | - \retval 0: all fine | |
| 1361 | - \retval -1: Setting line property failed | |
| 1362 | - \retval -2: USB device unavailable | |
| 1363 | -*/ | |
| 1364 | -int ftdi_set_line_property2(struct ftdi_context *ftdi, enum ftdi_bits_type bits, | |
| 1365 | - enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity, | |
| 1366 | - enum ftdi_break_type break_type) | |
| 1367 | -{ | |
| 1368 | - unsigned short value = bits; | |
| 1369 | - | |
| 1370 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 1371 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 1372 | - | |
| 1373 | - switch (parity) | |
| 1374 | - { | |
| 1375 | - case NONE: | |
| 1376 | - value |= (0x00 << 8); | |
| 1377 | - break; | |
| 1378 | - case ODD: | |
| 1379 | - value |= (0x01 << 8); | |
| 1380 | - break; | |
| 1381 | - case EVEN: | |
| 1382 | - value |= (0x02 << 8); | |
| 1383 | - break; | |
| 1384 | - case MARK: | |
| 1385 | - value |= (0x03 << 8); | |
| 1386 | - break; | |
| 1387 | - case SPACE: | |
| 1388 | - value |= (0x04 << 8); | |
| 1389 | - break; | |
| 1390 | - } | |
| 1391 | - | |
| 1392 | - switch (sbit) | |
| 1393 | - { | |
| 1394 | - case STOP_BIT_1: | |
| 1395 | - value |= (0x00 << 11); | |
| 1396 | - break; | |
| 1397 | - case STOP_BIT_15: | |
| 1398 | - value |= (0x01 << 11); | |
| 1399 | - break; | |
| 1400 | - case STOP_BIT_2: | |
| 1401 | - value |= (0x02 << 11); | |
| 1402 | - break; | |
| 1403 | - } | |
| 1404 | - | |
| 1405 | - switch (break_type) | |
| 1406 | - { | |
| 1407 | - case BREAK_OFF: | |
| 1408 | - value |= (0x00 << 14); | |
| 1409 | - break; | |
| 1410 | - case BREAK_ON: | |
| 1411 | - value |= (0x01 << 14); | |
| 1412 | - break; | |
| 1413 | - } | |
| 1414 | - | |
| 1415 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 1416 | - SIO_SET_DATA_REQUEST, value, | |
| 1417 | - ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 1418 | - ftdi_error_return (-1, "Setting new line property failed"); | |
| 1419 | - | |
| 1420 | - return 0; | |
| 1421 | -} | |
| 1422 | - | |
| 1423 | -/** | |
| 1424 | - Writes data in chunks (see ftdi_write_data_set_chunksize()) to the chip | |
| 1425 | - | |
| 1426 | - \param ftdi pointer to ftdi_context | |
| 1427 | - \param buf Buffer with the data | |
| 1428 | - \param size Size of the buffer | |
| 1429 | - | |
| 1430 | - \retval -666: USB device unavailable | |
| 1431 | - \retval <0: error code from usb_bulk_write() | |
| 1432 | - \retval >0: number of bytes written | |
| 1433 | -*/ | |
| 1434 | -int ftdi_write_data(struct ftdi_context *ftdi, const unsigned char *buf, int size) | |
| 1435 | -{ | |
| 1436 | - int offset = 0; | |
| 1437 | - int actual_length; | |
| 1438 | - | |
| 1439 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 1440 | - ftdi_error_return(-666, "USB device unavailable"); | |
| 1441 | - | |
| 1442 | - while (offset < size) | |
| 1443 | - { | |
| 1444 | - int write_size = ftdi->writebuffer_chunksize; | |
| 1445 | - | |
| 1446 | - if (offset+write_size > size) | |
| 1447 | - write_size = size-offset; | |
| 1448 | - | |
| 1449 | - if (libusb_bulk_transfer(ftdi->usb_dev, ftdi->in_ep, (unsigned char *)buf+offset, write_size, &actual_length, ftdi->usb_write_timeout) < 0) | |
| 1450 | - ftdi_error_return(-1, "usb bulk write failed"); | |
| 1451 | - | |
| 1452 | - offset += actual_length; | |
| 1453 | - } | |
| 1454 | - | |
| 1455 | - return offset; | |
| 1456 | -} | |
| 1457 | - | |
| 1458 | -static void LIBUSB_CALL ftdi_read_data_cb(struct libusb_transfer *transfer) | |
| 1459 | -{ | |
| 1460 | - struct ftdi_transfer_control *tc = (struct ftdi_transfer_control *) transfer->user_data; | |
| 1461 | - struct ftdi_context *ftdi = tc->ftdi; | |
| 1462 | - int packet_size, actual_length, num_of_chunks, chunk_remains, i, ret; | |
| 1463 | - | |
| 1464 | - packet_size = ftdi->max_packet_size; | |
| 1465 | - | |
| 1466 | - actual_length = transfer->actual_length; | |
| 1467 | - | |
| 1468 | - if (actual_length > 2) | |
| 1469 | - { | |
| 1470 | - // skip FTDI status bytes. | |
| 1471 | - // Maybe stored in the future to enable modem use | |
| 1472 | - num_of_chunks = actual_length / packet_size; | |
| 1473 | - chunk_remains = actual_length % packet_size; | |
| 1474 | - //printf("actual_length = %X, num_of_chunks = %X, chunk_remains = %X, readbuffer_offset = %X\n", actual_length, num_of_chunks, chunk_remains, ftdi->readbuffer_offset); | |
| 1475 | - | |
| 1476 | - ftdi->readbuffer_offset += 2; | |
| 1477 | - actual_length -= 2; | |
| 1478 | - | |
| 1479 | - if (actual_length > packet_size - 2) | |
| 1480 | - { | |
| 1481 | - for (i = 1; i < num_of_chunks; i++) | |
| 1482 | - memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i, | |
| 1483 | - ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i, | |
| 1484 | - packet_size - 2); | |
| 1485 | - if (chunk_remains > 2) | |
| 1486 | - { | |
| 1487 | - memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i, | |
| 1488 | - ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i, | |
| 1489 | - chunk_remains-2); | |
| 1490 | - actual_length -= 2*num_of_chunks; | |
| 1491 | - } | |
| 1492 | - else | |
| 1493 | - actual_length -= 2*(num_of_chunks-1)+chunk_remains; | |
| 1494 | - } | |
| 1495 | - | |
| 1496 | - if (actual_length > 0) | |
| 1497 | - { | |
| 1498 | - // data still fits in buf? | |
| 1499 | - if (tc->offset + actual_length <= tc->size) | |
| 1500 | - { | |
| 1501 | - memcpy (tc->buf + tc->offset, ftdi->readbuffer + ftdi->readbuffer_offset, actual_length); | |
| 1502 | - //printf("buf[0] = %X, buf[1] = %X\n", buf[0], buf[1]); | |
| 1503 | - tc->offset += actual_length; | |
| 1504 | - | |
| 1505 | - ftdi->readbuffer_offset = 0; | |
| 1506 | - ftdi->readbuffer_remaining = 0; | |
| 1507 | - | |
| 1508 | - /* Did we read exactly the right amount of bytes? */ | |
| 1509 | - if (tc->offset == tc->size) | |
| 1510 | - { | |
| 1511 | - //printf("read_data exact rem %d offset %d\n", | |
| 1512 | - //ftdi->readbuffer_remaining, offset); | |
| 1513 | - tc->completed = 1; | |
| 1514 | - return; | |
| 1515 | - } | |
| 1516 | - } | |
| 1517 | - else | |
| 1518 | - { | |
| 1519 | - // only copy part of the data or size <= readbuffer_chunksize | |
| 1520 | - int part_size = tc->size - tc->offset; | |
| 1521 | - memcpy (tc->buf + tc->offset, ftdi->readbuffer + ftdi->readbuffer_offset, part_size); | |
| 1522 | - tc->offset += part_size; | |
| 1523 | - | |
| 1524 | - ftdi->readbuffer_offset += part_size; | |
| 1525 | - ftdi->readbuffer_remaining = actual_length - part_size; | |
| 1526 | - | |
| 1527 | - /* printf("Returning part: %d - size: %d - offset: %d - actual_length: %d - remaining: %d\n", | |
| 1528 | - part_size, size, offset, actual_length, ftdi->readbuffer_remaining); */ | |
| 1529 | - tc->completed = 1; | |
| 1530 | - return; | |
| 1531 | - } | |
| 1532 | - } | |
| 1533 | - } | |
| 1534 | - | |
| 1535 | - if (transfer->status == LIBUSB_TRANSFER_CANCELLED) | |
| 1536 | - tc->completed = LIBUSB_TRANSFER_CANCELLED; | |
| 1537 | - else | |
| 1538 | - { | |
| 1539 | - ret = libusb_submit_transfer (transfer); | |
| 1540 | - if (ret < 0) | |
| 1541 | - tc->completed = 1; | |
| 1542 | - } | |
| 1543 | -} | |
| 1544 | - | |
| 1545 | - | |
| 1546 | -static void LIBUSB_CALL ftdi_write_data_cb(struct libusb_transfer *transfer) | |
| 1547 | -{ | |
| 1548 | - struct ftdi_transfer_control *tc = (struct ftdi_transfer_control *) transfer->user_data; | |
| 1549 | - struct ftdi_context *ftdi = tc->ftdi; | |
| 1550 | - | |
| 1551 | - tc->offset += transfer->actual_length; | |
| 1552 | - | |
| 1553 | - if (tc->offset == tc->size) | |
| 1554 | - { | |
| 1555 | - tc->completed = 1; | |
| 1556 | - } | |
| 1557 | - else | |
| 1558 | - { | |
| 1559 | - int write_size = ftdi->writebuffer_chunksize; | |
| 1560 | - int ret; | |
| 1561 | - | |
| 1562 | - if (tc->offset + write_size > tc->size) | |
| 1563 | - write_size = tc->size - tc->offset; | |
| 1564 | - | |
| 1565 | - transfer->length = write_size; | |
| 1566 | - transfer->buffer = tc->buf + tc->offset; | |
| 1567 | - | |
| 1568 | - if (transfer->status == LIBUSB_TRANSFER_CANCELLED) | |
| 1569 | - tc->completed = LIBUSB_TRANSFER_CANCELLED; | |
| 1570 | - else | |
| 1571 | - { | |
| 1572 | - ret = libusb_submit_transfer (transfer); | |
| 1573 | - if (ret < 0) | |
| 1574 | - tc->completed = 1; | |
| 1575 | - } | |
| 1576 | - } | |
| 1577 | -} | |
| 1578 | - | |
| 1579 | - | |
| 1580 | -/** | |
| 1581 | - Writes data to the chip. Does not wait for completion of the transfer | |
| 1582 | - nor does it make sure that the transfer was successful. | |
| 1583 | - | |
| 1584 | - Use libusb 1.0 asynchronous API. | |
| 1585 | - | |
| 1586 | - \param ftdi pointer to ftdi_context | |
| 1587 | - \param buf Buffer with the data | |
| 1588 | - \param size Size of the buffer | |
| 1589 | - | |
| 1590 | - \retval NULL: Some error happens when submit transfer | |
| 1591 | - \retval !NULL: Pointer to a ftdi_transfer_control | |
| 1592 | -*/ | |
| 1593 | - | |
| 1594 | -struct ftdi_transfer_control *ftdi_write_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size) | |
| 1595 | -{ | |
| 1596 | - struct ftdi_transfer_control *tc; | |
| 1597 | - struct libusb_transfer *transfer; | |
| 1598 | - int write_size, ret; | |
| 1599 | - | |
| 1600 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 1601 | - return NULL; | |
| 1602 | - | |
| 1603 | - tc = (struct ftdi_transfer_control *) malloc (sizeof (*tc)); | |
| 1604 | - if (!tc) | |
| 1605 | - return NULL; | |
| 1606 | - | |
| 1607 | - transfer = libusb_alloc_transfer(0); | |
| 1608 | - if (!transfer) | |
| 1609 | - { | |
| 1610 | - free(tc); | |
| 1611 | - return NULL; | |
| 1612 | - } | |
| 1613 | - | |
| 1614 | - tc->ftdi = ftdi; | |
| 1615 | - tc->completed = 0; | |
| 1616 | - tc->buf = buf; | |
| 1617 | - tc->size = size; | |
| 1618 | - tc->offset = 0; | |
| 1619 | - | |
| 1620 | - if (size < (int)ftdi->writebuffer_chunksize) | |
| 1621 | - write_size = size; | |
| 1622 | - else | |
| 1623 | - write_size = ftdi->writebuffer_chunksize; | |
| 1624 | - | |
| 1625 | - libusb_fill_bulk_transfer(transfer, ftdi->usb_dev, ftdi->in_ep, buf, | |
| 1626 | - write_size, ftdi_write_data_cb, tc, | |
| 1627 | - ftdi->usb_write_timeout); | |
| 1628 | - transfer->type = LIBUSB_TRANSFER_TYPE_BULK; | |
| 1629 | - | |
| 1630 | - ret = libusb_submit_transfer(transfer); | |
| 1631 | - if (ret < 0) | |
| 1632 | - { | |
| 1633 | - libusb_free_transfer(transfer); | |
| 1634 | - free(tc); | |
| 1635 | - return NULL; | |
| 1636 | - } | |
| 1637 | - tc->transfer = transfer; | |
| 1638 | - | |
| 1639 | - return tc; | |
| 1640 | -} | |
| 1641 | - | |
| 1642 | -/** | |
| 1643 | - Reads data from the chip. Does not wait for completion of the transfer | |
| 1644 | - nor does it make sure that the transfer was successful. | |
| 1645 | - | |
| 1646 | - Use libusb 1.0 asynchronous API. | |
| 1647 | - | |
| 1648 | - \param ftdi pointer to ftdi_context | |
| 1649 | - \param buf Buffer with the data | |
| 1650 | - \param size Size of the buffer | |
| 1651 | - | |
| 1652 | - \retval NULL: Some error happens when submit transfer | |
| 1653 | - \retval !NULL: Pointer to a ftdi_transfer_control | |
| 1654 | -*/ | |
| 1655 | - | |
| 1656 | -struct ftdi_transfer_control *ftdi_read_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size) | |
| 1657 | -{ | |
| 1658 | - struct ftdi_transfer_control *tc; | |
| 1659 | - struct libusb_transfer *transfer; | |
| 1660 | - int ret; | |
| 1661 | - | |
| 1662 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 1663 | - return NULL; | |
| 1664 | - | |
| 1665 | - tc = (struct ftdi_transfer_control *) malloc (sizeof (*tc)); | |
| 1666 | - if (!tc) | |
| 1667 | - return NULL; | |
| 1668 | - | |
| 1669 | - tc->ftdi = ftdi; | |
| 1670 | - tc->buf = buf; | |
| 1671 | - tc->size = size; | |
| 1672 | - | |
| 1673 | - if (size <= (int)ftdi->readbuffer_remaining) | |
| 1674 | - { | |
| 1675 | - memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, size); | |
| 1676 | - | |
| 1677 | - // Fix offsets | |
| 1678 | - ftdi->readbuffer_remaining -= size; | |
| 1679 | - ftdi->readbuffer_offset += size; | |
| 1680 | - | |
| 1681 | - /* printf("Returning bytes from buffer: %d - remaining: %d\n", size, ftdi->readbuffer_remaining); */ | |
| 1682 | - | |
| 1683 | - tc->completed = 1; | |
| 1684 | - tc->offset = size; | |
| 1685 | - tc->transfer = NULL; | |
| 1686 | - return tc; | |
| 1687 | - } | |
| 1688 | - | |
| 1689 | - tc->completed = 0; | |
| 1690 | - if (ftdi->readbuffer_remaining != 0) | |
| 1691 | - { | |
| 1692 | - memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, ftdi->readbuffer_remaining); | |
| 1693 | - | |
| 1694 | - tc->offset = ftdi->readbuffer_remaining; | |
| 1695 | - } | |
| 1696 | - else | |
| 1697 | - tc->offset = 0; | |
| 1698 | - | |
| 1699 | - transfer = libusb_alloc_transfer(0); | |
| 1700 | - if (!transfer) | |
| 1701 | - { | |
| 1702 | - free (tc); | |
| 1703 | - return NULL; | |
| 1704 | - } | |
| 1705 | - | |
| 1706 | - ftdi->readbuffer_remaining = 0; | |
| 1707 | - ftdi->readbuffer_offset = 0; | |
| 1708 | - | |
| 1709 | - libusb_fill_bulk_transfer(transfer, ftdi->usb_dev, ftdi->out_ep, ftdi->readbuffer, ftdi->readbuffer_chunksize, ftdi_read_data_cb, tc, ftdi->usb_read_timeout); | |
| 1710 | - transfer->type = LIBUSB_TRANSFER_TYPE_BULK; | |
| 1711 | - | |
| 1712 | - ret = libusb_submit_transfer(transfer); | |
| 1713 | - if (ret < 0) | |
| 1714 | - { | |
| 1715 | - libusb_free_transfer(transfer); | |
| 1716 | - free (tc); | |
| 1717 | - return NULL; | |
| 1718 | - } | |
| 1719 | - tc->transfer = transfer; | |
| 1720 | - | |
| 1721 | - return tc; | |
| 1722 | -} | |
| 1723 | - | |
| 1724 | -/** | |
| 1725 | - Wait for completion of the transfer. | |
| 1726 | - | |
| 1727 | - Use libusb 1.0 asynchronous API. | |
| 1728 | - | |
| 1729 | - \param tc pointer to ftdi_transfer_control | |
| 1730 | - | |
| 1731 | - \retval < 0: Some error happens | |
| 1732 | - \retval >= 0: Data size transferred | |
| 1733 | -*/ | |
| 1734 | - | |
| 1735 | -int ftdi_transfer_data_done(struct ftdi_transfer_control *tc) | |
| 1736 | -{ | |
| 1737 | - int ret; | |
| 1738 | - struct timeval to = { 0, 0 }; | |
| 1739 | - while (!tc->completed) | |
| 1740 | - { | |
| 1741 | - ret = libusb_handle_events_timeout_completed(tc->ftdi->usb_ctx, | |
| 1742 | - &to, &tc->completed); | |
| 1743 | - if (ret < 0) | |
| 1744 | - { | |
| 1745 | - if (ret == LIBUSB_ERROR_INTERRUPTED) | |
| 1746 | - continue; | |
| 1747 | - libusb_cancel_transfer(tc->transfer); | |
| 1748 | - while (!tc->completed) | |
| 1749 | - if (libusb_handle_events_timeout_completed(tc->ftdi->usb_ctx, | |
| 1750 | - &to, &tc->completed) < 0) | |
| 1751 | - break; | |
| 1752 | - libusb_free_transfer(tc->transfer); | |
| 1753 | - free (tc); | |
| 1754 | - return ret; | |
| 1755 | - } | |
| 1756 | - } | |
| 1757 | - | |
| 1758 | - ret = tc->offset; | |
| 1759 | - /** | |
| 1760 | - * tc->transfer could be NULL if "(size <= ftdi->readbuffer_remaining)" | |
| 1761 | - * at ftdi_read_data_submit(). Therefore, we need to check it here. | |
| 1762 | - **/ | |
| 1763 | - if (tc->transfer) | |
| 1764 | - { | |
| 1765 | - if (tc->transfer->status != LIBUSB_TRANSFER_COMPLETED) | |
| 1766 | - ret = -1; | |
| 1767 | - libusb_free_transfer(tc->transfer); | |
| 1768 | - } | |
| 1769 | - free(tc); | |
| 1770 | - return ret; | |
| 1771 | -} | |
| 1772 | - | |
| 1773 | -/** | |
| 1774 | - Cancel transfer and wait for completion. | |
| 1775 | - | |
| 1776 | - Use libusb 1.0 asynchronous API. | |
| 1777 | - | |
| 1778 | - \param tc pointer to ftdi_transfer_control | |
| 1779 | - \param to pointer to timeout value or NULL for infinite | |
| 1780 | -*/ | |
| 1781 | - | |
| 1782 | -void ftdi_transfer_data_cancel(struct ftdi_transfer_control *tc, | |
| 1783 | - struct timeval * to) | |
| 1784 | -{ | |
| 1785 | - struct timeval tv = { 0, 0 }; | |
| 1786 | - | |
| 1787 | - if (!tc->completed && tc->transfer != NULL) | |
| 1788 | - { | |
| 1789 | - if (to == NULL) | |
| 1790 | - to = &tv; | |
| 1791 | - | |
| 1792 | - libusb_cancel_transfer(tc->transfer); | |
| 1793 | - while (!tc->completed) | |
| 1794 | - { | |
| 1795 | - if (libusb_handle_events_timeout_completed(tc->ftdi->usb_ctx, to, &tc->completed) < 0) | |
| 1796 | - break; | |
| 1797 | - } | |
| 1798 | - } | |
| 1799 | - | |
| 1800 | - if (tc->transfer) | |
| 1801 | - libusb_free_transfer(tc->transfer); | |
| 1802 | - | |
| 1803 | - free (tc); | |
| 1804 | -} | |
| 1805 | - | |
| 1806 | -/** | |
| 1807 | - Configure write buffer chunk size. | |
| 1808 | - Default is 4096. | |
| 1809 | - | |
| 1810 | - \param ftdi pointer to ftdi_context | |
| 1811 | - \param chunksize Chunk size | |
| 1812 | - | |
| 1813 | - \retval 0: all fine | |
| 1814 | - \retval -1: ftdi context invalid | |
| 1815 | -*/ | |
| 1816 | -int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize) | |
| 1817 | -{ | |
| 1818 | - if (ftdi == NULL) | |
| 1819 | - ftdi_error_return(-1, "ftdi context invalid"); | |
| 1820 | - | |
| 1821 | - ftdi->writebuffer_chunksize = chunksize; | |
| 1822 | - return 0; | |
| 1823 | -} | |
| 1824 | - | |
| 1825 | -/** | |
| 1826 | - Get write buffer chunk size. | |
| 1827 | - | |
| 1828 | - \param ftdi pointer to ftdi_context | |
| 1829 | - \param chunksize Pointer to store chunk size in | |
| 1830 | - | |
| 1831 | - \retval 0: all fine | |
| 1832 | - \retval -1: ftdi context invalid | |
| 1833 | -*/ | |
| 1834 | -int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize) | |
| 1835 | -{ | |
| 1836 | - if (ftdi == NULL) | |
| 1837 | - ftdi_error_return(-1, "ftdi context invalid"); | |
| 1838 | - | |
| 1839 | - *chunksize = ftdi->writebuffer_chunksize; | |
| 1840 | - return 0; | |
| 1841 | -} | |
| 1842 | - | |
| 1843 | -/** | |
| 1844 | - Reads data in chunks (see ftdi_read_data_set_chunksize()) from the chip. | |
| 1845 | - | |
| 1846 | - Automatically strips the two modem status bytes transfered during every read. | |
| 1847 | - | |
| 1848 | - \param ftdi pointer to ftdi_context | |
| 1849 | - \param buf Buffer to store data in | |
| 1850 | - \param size Size of the buffer | |
| 1851 | - | |
| 1852 | - \retval -666: USB device unavailable | |
| 1853 | - \retval <0: error code from libusb_bulk_transfer() | |
| 1854 | - \retval 0: no data was available | |
| 1855 | - \retval >0: number of bytes read | |
| 1856 | - | |
| 1857 | -*/ | |
| 1858 | -int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size) | |
| 1859 | -{ | |
| 1860 | - int offset = 0, ret, i, num_of_chunks, chunk_remains; | |
| 1861 | - int packet_size = ftdi->max_packet_size; | |
| 1862 | - int actual_length = 1; | |
| 1863 | - | |
| 1864 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 1865 | - ftdi_error_return(-666, "USB device unavailable"); | |
| 1866 | - | |
| 1867 | - // Packet size sanity check (avoid division by zero) | |
| 1868 | - if (packet_size == 0) | |
| 1869 | - ftdi_error_return(-1, "max_packet_size is bogus (zero)"); | |
| 1870 | - | |
| 1871 | - // everything we want is still in the readbuffer? | |
| 1872 | - if (size <= (int)ftdi->readbuffer_remaining) | |
| 1873 | - { | |
| 1874 | - memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, size); | |
| 1875 | - | |
| 1876 | - // Fix offsets | |
| 1877 | - ftdi->readbuffer_remaining -= size; | |
| 1878 | - ftdi->readbuffer_offset += size; | |
| 1879 | - | |
| 1880 | - /* printf("Returning bytes from buffer: %d - remaining: %d\n", size, ftdi->readbuffer_remaining); */ | |
| 1881 | - | |
| 1882 | - return size; | |
| 1883 | - } | |
| 1884 | - // something still in the readbuffer, but not enough to satisfy 'size'? | |
| 1885 | - if (ftdi->readbuffer_remaining != 0) | |
| 1886 | - { | |
| 1887 | - memcpy (buf, ftdi->readbuffer+ftdi->readbuffer_offset, ftdi->readbuffer_remaining); | |
| 1888 | - | |
| 1889 | - // Fix offset | |
| 1890 | - offset += ftdi->readbuffer_remaining; | |
| 1891 | - } | |
| 1892 | - // do the actual USB read | |
| 1893 | - while (offset < size && actual_length > 0) | |
| 1894 | - { | |
| 1895 | - ftdi->readbuffer_remaining = 0; | |
| 1896 | - ftdi->readbuffer_offset = 0; | |
| 1897 | - /* returns how much received */ | |
| 1898 | - ret = libusb_bulk_transfer (ftdi->usb_dev, ftdi->out_ep, ftdi->readbuffer, ftdi->readbuffer_chunksize, &actual_length, ftdi->usb_read_timeout); | |
| 1899 | - if (ret < 0) | |
| 1900 | - ftdi_error_return(ret, "usb bulk read failed"); | |
| 1901 | - | |
| 1902 | - if (actual_length > 2) | |
| 1903 | - { | |
| 1904 | - // skip FTDI status bytes. | |
| 1905 | - // Maybe stored in the future to enable modem use | |
| 1906 | - num_of_chunks = actual_length / packet_size; | |
| 1907 | - chunk_remains = actual_length % packet_size; | |
| 1908 | - //printf("actual_length = %X, num_of_chunks = %X, chunk_remains = %X, readbuffer_offset = %X\n", actual_length, num_of_chunks, chunk_remains, ftdi->readbuffer_offset); | |
| 1909 | - | |
| 1910 | - ftdi->readbuffer_offset += 2; | |
| 1911 | - actual_length -= 2; | |
| 1912 | - | |
| 1913 | - if (actual_length > packet_size - 2) | |
| 1914 | - { | |
| 1915 | - for (i = 1; i < num_of_chunks; i++) | |
| 1916 | - memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i, | |
| 1917 | - ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i, | |
| 1918 | - packet_size - 2); | |
| 1919 | - if (chunk_remains > 2) | |
| 1920 | - { | |
| 1921 | - memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i, | |
| 1922 | - ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i, | |
| 1923 | - chunk_remains-2); | |
| 1924 | - actual_length -= 2*num_of_chunks; | |
| 1925 | - } | |
| 1926 | - else | |
| 1927 | - actual_length -= 2*(num_of_chunks-1)+chunk_remains; | |
| 1928 | - } | |
| 1929 | - } | |
| 1930 | - else if (actual_length <= 2) | |
| 1931 | - { | |
| 1932 | - // no more data to read? | |
| 1933 | - return offset; | |
| 1934 | - } | |
| 1935 | - if (actual_length > 0) | |
| 1936 | - { | |
| 1937 | - // data still fits in buf? | |
| 1938 | - if (offset+actual_length <= size) | |
| 1939 | - { | |
| 1940 | - memcpy (buf+offset, ftdi->readbuffer+ftdi->readbuffer_offset, actual_length); | |
| 1941 | - //printf("buf[0] = %X, buf[1] = %X\n", buf[0], buf[1]); | |
| 1942 | - offset += actual_length; | |
| 1943 | - | |
| 1944 | - /* Did we read exactly the right amount of bytes? */ | |
| 1945 | - if (offset == size) | |
| 1946 | - //printf("read_data exact rem %d offset %d\n", | |
| 1947 | - //ftdi->readbuffer_remaining, offset); | |
| 1948 | - return offset; | |
| 1949 | - } | |
| 1950 | - else | |
| 1951 | - { | |
| 1952 | - // only copy part of the data or size <= readbuffer_chunksize | |
| 1953 | - int part_size = size-offset; | |
| 1954 | - memcpy (buf+offset, ftdi->readbuffer+ftdi->readbuffer_offset, part_size); | |
| 1955 | - | |
| 1956 | - ftdi->readbuffer_offset += part_size; | |
| 1957 | - ftdi->readbuffer_remaining = actual_length-part_size; | |
| 1958 | - offset += part_size; | |
| 1959 | - | |
| 1960 | - /* printf("Returning part: %d - size: %d - offset: %d - actual_length: %d - remaining: %d\n", | |
| 1961 | - part_size, size, offset, actual_length, ftdi->readbuffer_remaining); */ | |
| 1962 | - | |
| 1963 | - return offset; | |
| 1964 | - } | |
| 1965 | - } | |
| 1966 | - } | |
| 1967 | - // never reached | |
| 1968 | - return -127; | |
| 1969 | -} | |
| 1970 | - | |
| 1971 | -/** | |
| 1972 | - Configure read buffer chunk size. | |
| 1973 | - Default is 4096. | |
| 1974 | - | |
| 1975 | - Automatically reallocates the buffer. | |
| 1976 | - | |
| 1977 | - \param ftdi pointer to ftdi_context | |
| 1978 | - \param chunksize Chunk size | |
| 1979 | - | |
| 1980 | - \retval 0: all fine | |
| 1981 | - \retval -1: ftdi context invalid | |
| 1982 | -*/ | |
| 1983 | -int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize) | |
| 1984 | -{ | |
| 1985 | - unsigned char *new_buf; | |
| 1986 | - | |
| 1987 | - if (ftdi == NULL) | |
| 1988 | - ftdi_error_return(-1, "ftdi context invalid"); | |
| 1989 | - | |
| 1990 | - // Invalidate all remaining data | |
| 1991 | - ftdi->readbuffer_offset = 0; | |
| 1992 | - ftdi->readbuffer_remaining = 0; | |
| 1993 | -#ifdef __linux__ | |
| 1994 | - /* We can't set readbuffer_chunksize larger than MAX_BULK_BUFFER_LENGTH, | |
| 1995 | - which is defined in libusb-1.0. Otherwise, each USB read request will | |
| 1996 | - be divided into multiple URBs. This will cause issues on Linux kernel | |
| 1997 | - older than 2.6.32. */ | |
| 1998 | - if (chunksize > 16384) | |
| 1999 | - chunksize = 16384; | |
| 2000 | -#endif | |
| 2001 | - | |
| 2002 | - if ((new_buf = (unsigned char *)realloc(ftdi->readbuffer, chunksize)) == NULL) | |
| 2003 | - ftdi_error_return(-1, "out of memory for readbuffer"); | |
| 2004 | - | |
| 2005 | - ftdi->readbuffer = new_buf; | |
| 2006 | - ftdi->readbuffer_chunksize = chunksize; | |
| 2007 | - | |
| 2008 | - return 0; | |
| 2009 | -} | |
| 2010 | - | |
| 2011 | -/** | |
| 2012 | - Get read buffer chunk size. | |
| 2013 | - | |
| 2014 | - \param ftdi pointer to ftdi_context | |
| 2015 | - \param chunksize Pointer to store chunk size in | |
| 2016 | - | |
| 2017 | - \retval 0: all fine | |
| 2018 | - \retval -1: FTDI context invalid | |
| 2019 | -*/ | |
| 2020 | -int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize) | |
| 2021 | -{ | |
| 2022 | - if (ftdi == NULL) | |
| 2023 | - ftdi_error_return(-1, "FTDI context invalid"); | |
| 2024 | - | |
| 2025 | - *chunksize = ftdi->readbuffer_chunksize; | |
| 2026 | - return 0; | |
| 2027 | -} | |
| 2028 | - | |
| 2029 | -/** | |
| 2030 | - Enable/disable bitbang modes. | |
| 2031 | - | |
| 2032 | - \param ftdi pointer to ftdi_context | |
| 2033 | - \param bitmask Bitmask to configure lines. | |
| 2034 | - HIGH/ON value configures a line as output. | |
| 2035 | - \param mode Bitbang mode: use the values defined in \ref ftdi_mpsse_mode | |
| 2036 | - | |
| 2037 | - \retval 0: all fine | |
| 2038 | - \retval -1: can't enable bitbang mode | |
| 2039 | - \retval -2: USB device unavailable | |
| 2040 | -*/ | |
| 2041 | -int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode) | |
| 2042 | -{ | |
| 2043 | - unsigned short usb_val; | |
| 2044 | - | |
| 2045 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2046 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2047 | - | |
| 2048 | - usb_val = bitmask; // low byte: bitmask | |
| 2049 | - usb_val |= (mode << 8); | |
| 2050 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 2051 | - ftdi_error_return(-1, "unable to configure bitbang mode. Perhaps not a BM/2232C type chip?"); | |
| 2052 | - | |
| 2053 | - ftdi->bitbang_mode = mode; | |
| 2054 | - ftdi->bitbang_enabled = (mode == BITMODE_RESET) ? 0 : 1; | |
| 2055 | - return 0; | |
| 2056 | -} | |
| 2057 | - | |
| 2058 | -/** | |
| 2059 | - Disable bitbang mode. | |
| 2060 | - | |
| 2061 | - \param ftdi pointer to ftdi_context | |
| 2062 | - | |
| 2063 | - \retval 0: all fine | |
| 2064 | - \retval -1: can't disable bitbang mode | |
| 2065 | - \retval -2: USB device unavailable | |
| 2066 | -*/ | |
| 2067 | -int ftdi_disable_bitbang(struct ftdi_context *ftdi) | |
| 2068 | -{ | |
| 2069 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2070 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2071 | - | |
| 2072 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, 0, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 2073 | - ftdi_error_return(-1, "unable to leave bitbang mode. Perhaps not a BM type chip?"); | |
| 2074 | - | |
| 2075 | - ftdi->bitbang_enabled = 0; | |
| 2076 | - return 0; | |
| 2077 | -} | |
| 2078 | - | |
| 2079 | - | |
| 2080 | -/** | |
| 2081 | - Directly read pin state, circumventing the read buffer. Useful for bitbang mode. | |
| 2082 | - | |
| 2083 | - \param ftdi pointer to ftdi_context | |
| 2084 | - \param pins Pointer to store pins into | |
| 2085 | - | |
| 2086 | - \retval 0: all fine | |
| 2087 | - \retval -1: read pins failed | |
| 2088 | - \retval -2: USB device unavailable | |
| 2089 | -*/ | |
| 2090 | -int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins) | |
| 2091 | -{ | |
| 2092 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2093 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2094 | - | |
| 2095 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_PINS_REQUEST, 0, ftdi->index, (unsigned char *)pins, 1, ftdi->usb_read_timeout) != 1) | |
| 2096 | - ftdi_error_return(-1, "read pins failed"); | |
| 2097 | - | |
| 2098 | - return 0; | |
| 2099 | -} | |
| 2100 | - | |
| 2101 | -/** | |
| 2102 | - Set latency timer | |
| 2103 | - | |
| 2104 | - The FTDI chip keeps data in the internal buffer for a specific | |
| 2105 | - amount of time if the buffer is not full yet to decrease | |
| 2106 | - load on the usb bus. | |
| 2107 | - | |
| 2108 | - \param ftdi pointer to ftdi_context | |
| 2109 | - \param latency Value between 1 and 255 | |
| 2110 | - | |
| 2111 | - \retval 0: all fine | |
| 2112 | - \retval -1: latency out of range | |
| 2113 | - \retval -2: unable to set latency timer | |
| 2114 | - \retval -3: USB device unavailable | |
| 2115 | -*/ | |
| 2116 | -int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency) | |
| 2117 | -{ | |
| 2118 | - unsigned short usb_val; | |
| 2119 | - | |
| 2120 | - if (latency < 1) | |
| 2121 | - ftdi_error_return(-1, "latency out of range. Only valid for 1-255"); | |
| 2122 | - | |
| 2123 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2124 | - ftdi_error_return(-3, "USB device unavailable"); | |
| 2125 | - | |
| 2126 | - usb_val = latency; | |
| 2127 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_LATENCY_TIMER_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 2128 | - ftdi_error_return(-2, "unable to set latency timer"); | |
| 2129 | - | |
| 2130 | - return 0; | |
| 2131 | -} | |
| 2132 | - | |
| 2133 | -/** | |
| 2134 | - Get latency timer | |
| 2135 | - | |
| 2136 | - \param ftdi pointer to ftdi_context | |
| 2137 | - \param latency Pointer to store latency value in | |
| 2138 | - | |
| 2139 | - \retval 0: all fine | |
| 2140 | - \retval -1: unable to get latency timer | |
| 2141 | - \retval -2: USB device unavailable | |
| 2142 | -*/ | |
| 2143 | -int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency) | |
| 2144 | -{ | |
| 2145 | - unsigned short usb_val; | |
| 2146 | - | |
| 2147 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2148 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2149 | - | |
| 2150 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_GET_LATENCY_TIMER_REQUEST, 0, ftdi->index, (unsigned char *)&usb_val, 1, ftdi->usb_read_timeout) != 1) | |
| 2151 | - ftdi_error_return(-1, "reading latency timer failed"); | |
| 2152 | - | |
| 2153 | - *latency = (unsigned char)usb_val; | |
| 2154 | - return 0; | |
| 2155 | -} | |
| 2156 | - | |
| 2157 | -/** | |
| 2158 | - Poll modem status information | |
| 2159 | - | |
| 2160 | - This function allows the retrieve the two status bytes of the device. | |
| 2161 | - The device sends these bytes also as a header for each read access | |
| 2162 | - where they are discarded by ftdi_read_data(). The chip generates | |
| 2163 | - the two stripped status bytes in the absence of data every 40 ms. | |
| 2164 | - | |
| 2165 | - Layout of the first byte: | |
| 2166 | - - B0..B3 - must be 0 | |
| 2167 | - - B4 Clear to send (CTS) | |
| 2168 | - 0 = inactive | |
| 2169 | - 1 = active | |
| 2170 | - - B5 Data set ready (DTS) | |
| 2171 | - 0 = inactive | |
| 2172 | - 1 = active | |
| 2173 | - - B6 Ring indicator (RI) | |
| 2174 | - 0 = inactive | |
| 2175 | - 1 = active | |
| 2176 | - - B7 Receive line signal detect (RLSD) | |
| 2177 | - 0 = inactive | |
| 2178 | - 1 = active | |
| 2179 | - | |
| 2180 | - Layout of the second byte: | |
| 2181 | - - B0 Data ready (DR) | |
| 2182 | - - B1 Overrun error (OE) | |
| 2183 | - - B2 Parity error (PE) | |
| 2184 | - - B3 Framing error (FE) | |
| 2185 | - - B4 Break interrupt (BI) | |
| 2186 | - - B5 Transmitter holding register (THRE) | |
| 2187 | - - B6 Transmitter empty (TEMT) | |
| 2188 | - - B7 Error in RCVR FIFO | |
| 2189 | - | |
| 2190 | - \param ftdi pointer to ftdi_context | |
| 2191 | - \param status Pointer to store status information in. Must be two bytes. | |
| 2192 | - | |
| 2193 | - \retval 0: all fine | |
| 2194 | - \retval -1: unable to retrieve status information | |
| 2195 | - \retval -2: USB device unavailable | |
| 2196 | -*/ | |
| 2197 | -int ftdi_poll_modem_status(struct ftdi_context *ftdi, unsigned short *status) | |
| 2198 | -{ | |
| 2199 | - char usb_val[2]; | |
| 2200 | - | |
| 2201 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2202 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2203 | - | |
| 2204 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_POLL_MODEM_STATUS_REQUEST, 0, ftdi->index, (unsigned char *)usb_val, 2, ftdi->usb_read_timeout) != 2) | |
| 2205 | - ftdi_error_return(-1, "getting modem status failed"); | |
| 2206 | - | |
| 2207 | - *status = (usb_val[1] << 8) | (usb_val[0] & 0xFF); | |
| 2208 | - | |
| 2209 | - return 0; | |
| 2210 | -} | |
| 2211 | - | |
| 2212 | -/** | |
| 2213 | - Set flowcontrol for ftdi chip | |
| 2214 | - | |
| 2215 | - \param ftdi pointer to ftdi_context | |
| 2216 | - \param flowctrl flow control to use. should be | |
| 2217 | - SIO_DISABLE_FLOW_CTRL, SIO_RTS_CTS_HS, SIO_DTR_DSR_HS or SIO_XON_XOFF_HS | |
| 2218 | - | |
| 2219 | - \retval 0: all fine | |
| 2220 | - \retval -1: set flow control failed | |
| 2221 | - \retval -2: USB device unavailable | |
| 2222 | -*/ | |
| 2223 | -int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl) | |
| 2224 | -{ | |
| 2225 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2226 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2227 | - | |
| 2228 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 2229 | - SIO_SET_FLOW_CTRL_REQUEST, 0, (flowctrl | ftdi->index), | |
| 2230 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 2231 | - ftdi_error_return(-1, "set flow control failed"); | |
| 2232 | - | |
| 2233 | - return 0; | |
| 2234 | -} | |
| 2235 | - | |
| 2236 | -/** | |
| 2237 | - Set dtr line | |
| 2238 | - | |
| 2239 | - \param ftdi pointer to ftdi_context | |
| 2240 | - \param state state to set line to (1 or 0) | |
| 2241 | - | |
| 2242 | - \retval 0: all fine | |
| 2243 | - \retval -1: set dtr failed | |
| 2244 | - \retval -2: USB device unavailable | |
| 2245 | -*/ | |
| 2246 | -int ftdi_setdtr(struct ftdi_context *ftdi, int state) | |
| 2247 | -{ | |
| 2248 | - unsigned short usb_val; | |
| 2249 | - | |
| 2250 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2251 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2252 | - | |
| 2253 | - if (state) | |
| 2254 | - usb_val = SIO_SET_DTR_HIGH; | |
| 2255 | - else | |
| 2256 | - usb_val = SIO_SET_DTR_LOW; | |
| 2257 | - | |
| 2258 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 2259 | - SIO_SET_MODEM_CTRL_REQUEST, usb_val, ftdi->index, | |
| 2260 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 2261 | - ftdi_error_return(-1, "set dtr failed"); | |
| 2262 | - | |
| 2263 | - return 0; | |
| 2264 | -} | |
| 2265 | - | |
| 2266 | -/** | |
| 2267 | - Set rts line | |
| 2268 | - | |
| 2269 | - \param ftdi pointer to ftdi_context | |
| 2270 | - \param state state to set line to (1 or 0) | |
| 2271 | - | |
| 2272 | - \retval 0: all fine | |
| 2273 | - \retval -1: set rts failed | |
| 2274 | - \retval -2: USB device unavailable | |
| 2275 | -*/ | |
| 2276 | -int ftdi_setrts(struct ftdi_context *ftdi, int state) | |
| 2277 | -{ | |
| 2278 | - unsigned short usb_val; | |
| 2279 | - | |
| 2280 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2281 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2282 | - | |
| 2283 | - if (state) | |
| 2284 | - usb_val = SIO_SET_RTS_HIGH; | |
| 2285 | - else | |
| 2286 | - usb_val = SIO_SET_RTS_LOW; | |
| 2287 | - | |
| 2288 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 2289 | - SIO_SET_MODEM_CTRL_REQUEST, usb_val, ftdi->index, | |
| 2290 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 2291 | - ftdi_error_return(-1, "set of rts failed"); | |
| 2292 | - | |
| 2293 | - return 0; | |
| 2294 | -} | |
| 2295 | - | |
| 2296 | -/** | |
| 2297 | - Set dtr and rts line in one pass | |
| 2298 | - | |
| 2299 | - \param ftdi pointer to ftdi_context | |
| 2300 | - \param dtr DTR state to set line to (1 or 0) | |
| 2301 | - \param rts RTS state to set line to (1 or 0) | |
| 2302 | - | |
| 2303 | - \retval 0: all fine | |
| 2304 | - \retval -1: set dtr/rts failed | |
| 2305 | - \retval -2: USB device unavailable | |
| 2306 | - */ | |
| 2307 | -int ftdi_setdtr_rts(struct ftdi_context *ftdi, int dtr, int rts) | |
| 2308 | -{ | |
| 2309 | - unsigned short usb_val; | |
| 2310 | - | |
| 2311 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2312 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2313 | - | |
| 2314 | - if (dtr) | |
| 2315 | - usb_val = SIO_SET_DTR_HIGH; | |
| 2316 | - else | |
| 2317 | - usb_val = SIO_SET_DTR_LOW; | |
| 2318 | - | |
| 2319 | - if (rts) | |
| 2320 | - usb_val |= SIO_SET_RTS_HIGH; | |
| 2321 | - else | |
| 2322 | - usb_val |= SIO_SET_RTS_LOW; | |
| 2323 | - | |
| 2324 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 2325 | - SIO_SET_MODEM_CTRL_REQUEST, usb_val, ftdi->index, | |
| 2326 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 2327 | - ftdi_error_return(-1, "set of rts/dtr failed"); | |
| 2328 | - | |
| 2329 | - return 0; | |
| 2330 | -} | |
| 2331 | - | |
| 2332 | -/** | |
| 2333 | - Set the special event character | |
| 2334 | - | |
| 2335 | - \param ftdi pointer to ftdi_context | |
| 2336 | - \param eventch Event character | |
| 2337 | - \param enable 0 to disable the event character, non-zero otherwise | |
| 2338 | - | |
| 2339 | - \retval 0: all fine | |
| 2340 | - \retval -1: unable to set event character | |
| 2341 | - \retval -2: USB device unavailable | |
| 2342 | -*/ | |
| 2343 | -int ftdi_set_event_char(struct ftdi_context *ftdi, | |
| 2344 | - unsigned char eventch, unsigned char enable) | |
| 2345 | -{ | |
| 2346 | - unsigned short usb_val; | |
| 2347 | - | |
| 2348 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2349 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2350 | - | |
| 2351 | - usb_val = eventch; | |
| 2352 | - if (enable) | |
| 2353 | - usb_val |= 1 << 8; | |
| 2354 | - | |
| 2355 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_EVENT_CHAR_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 2356 | - ftdi_error_return(-1, "setting event character failed"); | |
| 2357 | - | |
| 2358 | - return 0; | |
| 2359 | -} | |
| 2360 | - | |
| 2361 | -/** | |
| 2362 | - Set error character | |
| 2363 | - | |
| 2364 | - \param ftdi pointer to ftdi_context | |
| 2365 | - \param errorch Error character | |
| 2366 | - \param enable 0 to disable the error character, non-zero otherwise | |
| 2367 | - | |
| 2368 | - \retval 0: all fine | |
| 2369 | - \retval -1: unable to set error character | |
| 2370 | - \retval -2: USB device unavailable | |
| 2371 | -*/ | |
| 2372 | -int ftdi_set_error_char(struct ftdi_context *ftdi, | |
| 2373 | - unsigned char errorch, unsigned char enable) | |
| 2374 | -{ | |
| 2375 | - unsigned short usb_val; | |
| 2376 | - | |
| 2377 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 2378 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 2379 | - | |
| 2380 | - usb_val = errorch; | |
| 2381 | - if (enable) | |
| 2382 | - usb_val |= 1 << 8; | |
| 2383 | - | |
| 2384 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_ERROR_CHAR_REQUEST, usb_val, ftdi->index, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 2385 | - ftdi_error_return(-1, "setting error character failed"); | |
| 2386 | - | |
| 2387 | - return 0; | |
| 2388 | -} | |
| 2389 | - | |
| 2390 | -/** | |
| 2391 | - Init eeprom with default values for the connected device | |
| 2392 | - \param ftdi pointer to ftdi_context | |
| 2393 | - \param manufacturer String to use as Manufacturer | |
| 2394 | - \param product String to use as Product description | |
| 2395 | - \param serial String to use as Serial number description | |
| 2396 | - | |
| 2397 | - \retval 0: all fine | |
| 2398 | - \retval -1: No struct ftdi_context | |
| 2399 | - \retval -2: No struct ftdi_eeprom | |
| 2400 | - \retval -3: No connected device or device not yet opened | |
| 2401 | -*/ | |
| 2402 | -int ftdi_eeprom_initdefaults(struct ftdi_context *ftdi, char * manufacturer, | |
| 2403 | - char * product, char * serial) | |
| 2404 | -{ | |
| 2405 | - struct ftdi_eeprom *eeprom; | |
| 2406 | - | |
| 2407 | - if (ftdi == NULL) | |
| 2408 | - ftdi_error_return(-1, "No struct ftdi_context"); | |
| 2409 | - | |
| 2410 | - if (ftdi->eeprom == NULL) | |
| 2411 | - ftdi_error_return(-2,"No struct ftdi_eeprom"); | |
| 2412 | - | |
| 2413 | - eeprom = ftdi->eeprom; | |
| 2414 | - memset(eeprom, 0, sizeof(struct ftdi_eeprom)); | |
| 2415 | - | |
| 2416 | - if (ftdi->usb_dev == NULL) | |
| 2417 | - ftdi_error_return(-3, "No connected device or device not yet opened"); | |
| 2418 | - | |
| 2419 | - eeprom->vendor_id = 0x0403; | |
| 2420 | - eeprom->use_serial = 1; | |
| 2421 | - if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM) || | |
| 2422 | - (ftdi->type == TYPE_R)) | |
| 2423 | - eeprom->product_id = 0x6001; | |
| 2424 | - else if (ftdi->type == TYPE_4232H) | |
| 2425 | - eeprom->product_id = 0x6011; | |
| 2426 | - else if (ftdi->type == TYPE_232H) | |
| 2427 | - eeprom->product_id = 0x6014; | |
| 2428 | - else if (ftdi->type == TYPE_230X) | |
| 2429 | - eeprom->product_id = 0x6015; | |
| 2430 | - else | |
| 2431 | - eeprom->product_id = 0x6010; | |
| 2432 | - | |
| 2433 | - if (ftdi->type == TYPE_AM) | |
| 2434 | - eeprom->usb_version = 0x0101; | |
| 2435 | - else | |
| 2436 | - eeprom->usb_version = 0x0200; | |
| 2437 | - eeprom->max_power = 100; | |
| 2438 | - | |
| 2439 | - if (eeprom->manufacturer) | |
| 2440 | - free (eeprom->manufacturer); | |
| 2441 | - eeprom->manufacturer = NULL; | |
| 2442 | - if (manufacturer) | |
| 2443 | - { | |
| 2444 | - eeprom->manufacturer = malloc(strlen(manufacturer)+1); | |
| 2445 | - if (eeprom->manufacturer) | |
| 2446 | - strcpy(eeprom->manufacturer, manufacturer); | |
| 2447 | - } | |
| 2448 | - | |
| 2449 | - if (eeprom->product) | |
| 2450 | - free (eeprom->product); | |
| 2451 | - eeprom->product = NULL; | |
| 2452 | - if(product) | |
| 2453 | - { | |
| 2454 | - eeprom->product = malloc(strlen(product)+1); | |
| 2455 | - if (eeprom->product) | |
| 2456 | - strcpy(eeprom->product, product); | |
| 2457 | - } | |
| 2458 | - else | |
| 2459 | - { | |
| 2460 | - const char* default_product; | |
| 2461 | - switch(ftdi->type) | |
| 2462 | - { | |
| 2463 | - case TYPE_AM: default_product = "AM"; break; | |
| 2464 | - case TYPE_BM: default_product = "BM"; break; | |
| 2465 | - case TYPE_2232C: default_product = "Dual RS232"; break; | |
| 2466 | - case TYPE_R: default_product = "FT232R USB UART"; break; | |
| 2467 | - case TYPE_2232H: default_product = "Dual RS232-HS"; break; | |
| 2468 | - case TYPE_4232H: default_product = "FT4232H"; break; | |
| 2469 | - case TYPE_232H: default_product = "Single-RS232-HS"; break; | |
| 2470 | - case TYPE_230X: default_product = "FT230X Basic UART"; break; | |
| 2471 | - default: | |
| 2472 | - ftdi_error_return(-3, "Unknown chip type"); | |
| 2473 | - } | |
| 2474 | - eeprom->product = malloc(strlen(default_product) +1); | |
| 2475 | - if (eeprom->product) | |
| 2476 | - strcpy(eeprom->product, default_product); | |
| 2477 | - } | |
| 2478 | - | |
| 2479 | - if (eeprom->serial) | |
| 2480 | - free (eeprom->serial); | |
| 2481 | - eeprom->serial = NULL; | |
| 2482 | - if (serial) | |
| 2483 | - { | |
| 2484 | - eeprom->serial = malloc(strlen(serial)+1); | |
| 2485 | - if (eeprom->serial) | |
| 2486 | - strcpy(eeprom->serial, serial); | |
| 2487 | - } | |
| 2488 | - | |
| 2489 | - if (ftdi->type == TYPE_R) | |
| 2490 | - { | |
| 2491 | - eeprom->max_power = 90; | |
| 2492 | - eeprom->size = 0x80; | |
| 2493 | - eeprom->cbus_function[0] = CBUS_TXLED; | |
| 2494 | - eeprom->cbus_function[1] = CBUS_RXLED; | |
| 2495 | - eeprom->cbus_function[2] = CBUS_TXDEN; | |
| 2496 | - eeprom->cbus_function[3] = CBUS_PWREN; | |
| 2497 | - eeprom->cbus_function[4] = CBUS_SLEEP; | |
| 2498 | - } | |
| 2499 | - else if (ftdi->type == TYPE_230X) | |
| 2500 | - { | |
| 2501 | - eeprom->max_power = 90; | |
| 2502 | - eeprom->size = 0x100; | |
| 2503 | - eeprom->cbus_function[0] = CBUSX_TXDEN; | |
| 2504 | - eeprom->cbus_function[1] = CBUSX_RXLED; | |
| 2505 | - eeprom->cbus_function[2] = CBUSX_TXLED; | |
| 2506 | - eeprom->cbus_function[3] = CBUSX_SLEEP; | |
| 2507 | - } | |
| 2508 | - else | |
| 2509 | - { | |
| 2510 | - if(ftdi->type == TYPE_232H) | |
| 2511 | - { | |
| 2512 | - int i; | |
| 2513 | - for (i=0; i<10; i++) | |
| 2514 | - eeprom->cbus_function[i] = CBUSH_TRISTATE; | |
| 2515 | - } | |
| 2516 | - eeprom->size = -1; | |
| 2517 | - } | |
| 2518 | - switch (ftdi->type) | |
| 2519 | - { | |
| 2520 | - case TYPE_AM: | |
| 2521 | - eeprom->release_number = 0x0200; | |
| 2522 | - break; | |
| 2523 | - case TYPE_BM: | |
| 2524 | - eeprom->release_number = 0x0400; | |
| 2525 | - break; | |
| 2526 | - case TYPE_2232C: | |
| 2527 | - eeprom->release_number = 0x0500; | |
| 2528 | - break; | |
| 2529 | - case TYPE_R: | |
| 2530 | - eeprom->release_number = 0x0600; | |
| 2531 | - break; | |
| 2532 | - case TYPE_2232H: | |
| 2533 | - eeprom->release_number = 0x0700; | |
| 2534 | - break; | |
| 2535 | - case TYPE_4232H: | |
| 2536 | - eeprom->release_number = 0x0800; | |
| 2537 | - break; | |
| 2538 | - case TYPE_232H: | |
| 2539 | - eeprom->release_number = 0x0900; | |
| 2540 | - break; | |
| 2541 | - case TYPE_230X: | |
| 2542 | - eeprom->release_number = 0x1000; | |
| 2543 | - break; | |
| 2544 | - default: | |
| 2545 | - eeprom->release_number = 0x00; | |
| 2546 | - } | |
| 2547 | - return 0; | |
| 2548 | -} | |
| 2549 | - | |
| 2550 | -int ftdi_eeprom_set_strings(struct ftdi_context *ftdi, char * manufacturer, | |
| 2551 | - char * product, char * serial) | |
| 2552 | -{ | |
| 2553 | - struct ftdi_eeprom *eeprom; | |
| 2554 | - | |
| 2555 | - if (ftdi == NULL) | |
| 2556 | - ftdi_error_return(-1, "No struct ftdi_context"); | |
| 2557 | - | |
| 2558 | - if (ftdi->eeprom == NULL) | |
| 2559 | - ftdi_error_return(-2,"No struct ftdi_eeprom"); | |
| 2560 | - | |
| 2561 | - eeprom = ftdi->eeprom; | |
| 2562 | - | |
| 2563 | - if (ftdi->usb_dev == NULL) | |
| 2564 | - ftdi_error_return(-3, "No connected device or device not yet opened"); | |
| 2565 | - | |
| 2566 | - if (manufacturer) | |
| 2567 | - { | |
| 2568 | - if (eeprom->manufacturer) | |
| 2569 | - free (eeprom->manufacturer); | |
| 2570 | - eeprom->manufacturer = malloc(strlen(manufacturer)+1); | |
| 2571 | - if (eeprom->manufacturer) | |
| 2572 | - strcpy(eeprom->manufacturer, manufacturer); | |
| 2573 | - } | |
| 2574 | - | |
| 2575 | - if(product) | |
| 2576 | - { | |
| 2577 | - if (eeprom->product) | |
| 2578 | - free (eeprom->product); | |
| 2579 | - eeprom->product = malloc(strlen(product)+1); | |
| 2580 | - if (eeprom->product) | |
| 2581 | - strcpy(eeprom->product, product); | |
| 2582 | - } | |
| 2583 | - | |
| 2584 | - if (serial) | |
| 2585 | - { | |
| 2586 | - if (eeprom->serial) | |
| 2587 | - free (eeprom->serial); | |
| 2588 | - eeprom->serial = malloc(strlen(serial)+1); | |
| 2589 | - if (eeprom->serial) | |
| 2590 | - { | |
| 2591 | - strcpy(eeprom->serial, serial); | |
| 2592 | - eeprom->use_serial = 1; | |
| 2593 | - } | |
| 2594 | - } | |
| 2595 | - return 0; | |
| 2596 | -} | |
| 2597 | - | |
| 2598 | - | |
| 2599 | -/*FTD2XX doesn't check for values not fitting in the ACBUS Signal options*/ | |
| 2600 | -void set_ft232h_cbus(struct ftdi_eeprom *eeprom, unsigned char * output) | |
| 2601 | -{ | |
| 2602 | - int i; | |
| 2603 | - for(i=0; i<5; i++) | |
| 2604 | - { | |
| 2605 | - int mode_low, mode_high; | |
| 2606 | - if (eeprom->cbus_function[2*i]> CBUSH_CLK7_5) | |
| 2607 | - mode_low = CBUSH_TRISTATE; | |
| 2608 | - else | |
| 2609 | - mode_low = eeprom->cbus_function[2*i]; | |
| 2610 | - if (eeprom->cbus_function[2*i+1]> CBUSH_CLK7_5) | |
| 2611 | - mode_high = CBUSH_TRISTATE; | |
| 2612 | - else | |
| 2613 | - mode_high = eeprom->cbus_function[2*i+1]; | |
| 2614 | - | |
| 2615 | - output[0x18+i] = (mode_high <<4) | mode_low; | |
| 2616 | - } | |
| 2617 | -} | |
| 2618 | -/* Return the bits for the encoded EEPROM Structure of a requested Mode | |
| 2619 | - * | |
| 2620 | - */ | |
| 2621 | -static unsigned char type2bit(unsigned char type, enum ftdi_chip_type chip) | |
| 2622 | -{ | |
| 2623 | - switch (chip) | |
| 2624 | - { | |
| 2625 | - case TYPE_2232H: | |
| 2626 | - case TYPE_2232C: | |
| 2627 | - { | |
| 2628 | - switch (type) | |
| 2629 | - { | |
| 2630 | - case CHANNEL_IS_UART: return 0; | |
| 2631 | - case CHANNEL_IS_FIFO: return 0x01; | |
| 2632 | - case CHANNEL_IS_OPTO: return 0x02; | |
| 2633 | - case CHANNEL_IS_CPU : return 0x04; | |
| 2634 | - default: return 0; | |
| 2635 | - } | |
| 2636 | - } | |
| 2637 | - case TYPE_232H: | |
| 2638 | - { | |
| 2639 | - switch (type) | |
| 2640 | - { | |
| 2641 | - case CHANNEL_IS_UART : return 0; | |
| 2642 | - case CHANNEL_IS_FIFO : return 0x01; | |
| 2643 | - case CHANNEL_IS_OPTO : return 0x02; | |
| 2644 | - case CHANNEL_IS_CPU : return 0x04; | |
| 2645 | - case CHANNEL_IS_FT1284 : return 0x08; | |
| 2646 | - default: return 0; | |
| 2647 | - } | |
| 2648 | - } | |
| 2649 | - case TYPE_230X: /* FT230X is only UART */ | |
| 2650 | - default: return 0; | |
| 2651 | - } | |
| 2652 | - return 0; | |
| 2653 | -} | |
| 2654 | - | |
| 2655 | -/** | |
| 2656 | - Build binary buffer from ftdi_eeprom structure. | |
| 2657 | - Output is suitable for ftdi_write_eeprom(). | |
| 2658 | - | |
| 2659 | - \param ftdi pointer to ftdi_context | |
| 2660 | - | |
| 2661 | - \retval >=0: size of eeprom user area in bytes | |
| 2662 | - \retval -1: eeprom size (128 bytes) exceeded by custom strings | |
| 2663 | - \retval -2: Invalid eeprom or ftdi pointer | |
| 2664 | - \retval -3: Invalid cbus function setting (FIXME: Not in the code?) | |
| 2665 | - \retval -4: Chip doesn't support invert (FIXME: Not in the code?) | |
| 2666 | - \retval -5: Chip doesn't support high current drive (FIXME: Not in the code?) | |
| 2667 | - \retval -6: No connected EEPROM or EEPROM Type unknown | |
| 2668 | -*/ | |
| 2669 | -int ftdi_eeprom_build(struct ftdi_context *ftdi) | |
| 2670 | -{ | |
| 2671 | - unsigned char i, j, eeprom_size_mask; | |
| 2672 | - unsigned short checksum, value; | |
| 2673 | - unsigned char manufacturer_size = 0, product_size = 0, serial_size = 0; | |
| 2674 | - int user_area_size, free_start, free_end; | |
| 2675 | - struct ftdi_eeprom *eeprom; | |
| 2676 | - unsigned char * output; | |
| 2677 | - | |
| 2678 | - if (ftdi == NULL) | |
| 2679 | - ftdi_error_return(-2,"No context"); | |
| 2680 | - if (ftdi->eeprom == NULL) | |
| 2681 | - ftdi_error_return(-2,"No eeprom structure"); | |
| 2682 | - | |
| 2683 | - eeprom= ftdi->eeprom; | |
| 2684 | - output = eeprom->buf; | |
| 2685 | - | |
| 2686 | - if (eeprom->chip == -1) | |
| 2687 | - ftdi_error_return(-6,"No connected EEPROM or EEPROM type unknown"); | |
| 2688 | - | |
| 2689 | - if (eeprom->size == -1) | |
| 2690 | - { | |
| 2691 | - if ((eeprom->chip == 0x56) || (eeprom->chip == 0x66)) | |
| 2692 | - eeprom->size = 0x100; | |
| 2693 | - else | |
| 2694 | - eeprom->size = 0x80; | |
| 2695 | - } | |
| 2696 | - | |
| 2697 | - if (eeprom->manufacturer != NULL) | |
| 2698 | - manufacturer_size = strlen(eeprom->manufacturer); | |
| 2699 | - if (eeprom->product != NULL) | |
| 2700 | - product_size = strlen(eeprom->product); | |
| 2701 | - if (eeprom->serial != NULL) | |
| 2702 | - serial_size = strlen(eeprom->serial); | |
| 2703 | - | |
| 2704 | - // eeprom size check | |
| 2705 | - switch (ftdi->type) | |
| 2706 | - { | |
| 2707 | - case TYPE_AM: | |
| 2708 | - case TYPE_BM: | |
| 2709 | - case TYPE_R: | |
| 2710 | - user_area_size = 96; // base size for strings (total of 48 characters) | |
| 2711 | - break; | |
| 2712 | - case TYPE_2232C: | |
| 2713 | - user_area_size = 90; // two extra config bytes and 4 bytes PnP stuff | |
| 2714 | - break; | |
| 2715 | - case TYPE_230X: | |
| 2716 | - user_area_size = 88; // four extra config bytes + 4 bytes PnP stuff | |
| 2717 | - break; | |
| 2718 | - case TYPE_2232H: // six extra config bytes + 4 bytes PnP stuff | |
| 2719 | - case TYPE_4232H: | |
| 2720 | - user_area_size = 86; | |
| 2721 | - break; | |
| 2722 | - case TYPE_232H: | |
| 2723 | - user_area_size = 80; | |
| 2724 | - break; | |
| 2725 | - default: | |
| 2726 | - user_area_size = 0; | |
| 2727 | - break; | |
| 2728 | - } | |
| 2729 | - user_area_size -= (manufacturer_size + product_size + serial_size) * 2; | |
| 2730 | - | |
| 2731 | - if (user_area_size < 0) | |
| 2732 | - ftdi_error_return(-1,"eeprom size exceeded"); | |
| 2733 | - | |
| 2734 | - // empty eeprom | |
| 2735 | - if (ftdi->type == TYPE_230X) | |
| 2736 | - { | |
| 2737 | - /* FT230X have a reserved section in the middle of the MTP, | |
| 2738 | - which cannot be written to, but must be included in the checksum */ | |
| 2739 | - memset(ftdi->eeprom->buf, 0, 0x80); | |
| 2740 | - memset((ftdi->eeprom->buf + 0xa0), 0, (FTDI_MAX_EEPROM_SIZE - 0xa0)); | |
| 2741 | - } | |
| 2742 | - else | |
| 2743 | - { | |
| 2744 | - memset(ftdi->eeprom->buf, 0, FTDI_MAX_EEPROM_SIZE); | |
| 2745 | - } | |
| 2746 | - | |
| 2747 | - // Bytes and Bits set for all Types | |
| 2748 | - | |
| 2749 | - // Addr 02: Vendor ID | |
| 2750 | - output[0x02] = eeprom->vendor_id; | |
| 2751 | - output[0x03] = eeprom->vendor_id >> 8; | |
| 2752 | - | |
| 2753 | - // Addr 04: Product ID | |
| 2754 | - output[0x04] = eeprom->product_id; | |
| 2755 | - output[0x05] = eeprom->product_id >> 8; | |
| 2756 | - | |
| 2757 | - // Addr 06: Device release number (0400h for BM features) | |
| 2758 | - output[0x06] = eeprom->release_number; | |
| 2759 | - output[0x07] = eeprom->release_number >> 8; | |
| 2760 | - | |
| 2761 | - // Addr 08: Config descriptor | |
| 2762 | - // Bit 7: always 1 | |
| 2763 | - // Bit 6: 1 if this device is self powered, 0 if bus powered | |
| 2764 | - // Bit 5: 1 if this device uses remote wakeup | |
| 2765 | - // Bit 4-0: reserved - 0 | |
| 2766 | - j = 0x80; | |
| 2767 | - if (eeprom->self_powered) | |
| 2768 | - j |= 0x40; | |
| 2769 | - if (eeprom->remote_wakeup) | |
| 2770 | - j |= 0x20; | |
| 2771 | - output[0x08] = j; | |
| 2772 | - | |
| 2773 | - // Addr 09: Max power consumption: max power = value * 2 mA | |
| 2774 | - output[0x09] = eeprom->max_power / MAX_POWER_MILLIAMP_PER_UNIT; | |
| 2775 | - | |
| 2776 | - if ((ftdi->type != TYPE_AM) && (ftdi->type != TYPE_230X)) | |
| 2777 | - { | |
| 2778 | - // Addr 0A: Chip configuration | |
| 2779 | - // Bit 7: 0 - reserved | |
| 2780 | - // Bit 6: 0 - reserved | |
| 2781 | - // Bit 5: 0 - reserved | |
| 2782 | - // Bit 4: 1 - Change USB version | |
| 2783 | - // Bit 3: 1 - Use the serial number string | |
| 2784 | - // Bit 2: 1 - Enable suspend pull downs for lower power | |
| 2785 | - // Bit 1: 1 - Out EndPoint is Isochronous | |
| 2786 | - // Bit 0: 1 - In EndPoint is Isochronous | |
| 2787 | - // | |
| 2788 | - j = 0; | |
| 2789 | - if (eeprom->in_is_isochronous) | |
| 2790 | - j = j | 1; | |
| 2791 | - if (eeprom->out_is_isochronous) | |
| 2792 | - j = j | 2; | |
| 2793 | - output[0x0A] = j; | |
| 2794 | - } | |
| 2795 | - | |
| 2796 | - // Dynamic content | |
| 2797 | - // Strings start at 0x94 (TYPE_AM, TYPE_BM) | |
| 2798 | - // 0x96 (TYPE_2232C), 0x98 (TYPE_R) and 0x9a (TYPE_x232H) | |
| 2799 | - // 0xa0 (TYPE_232H) | |
| 2800 | - i = 0; | |
| 2801 | - switch (ftdi->type) | |
| 2802 | - { | |
| 2803 | - case TYPE_2232H: | |
| 2804 | - case TYPE_4232H: | |
| 2805 | - i += 2; | |
| 2806 | - case TYPE_R: | |
| 2807 | - i += 2; | |
| 2808 | - case TYPE_2232C: | |
| 2809 | - i += 2; | |
| 2810 | - case TYPE_AM: | |
| 2811 | - case TYPE_BM: | |
| 2812 | - i += 0x94; | |
| 2813 | - break; | |
| 2814 | - case TYPE_232H: | |
| 2815 | - case TYPE_230X: | |
| 2816 | - i = 0xa0; | |
| 2817 | - break; | |
| 2818 | - } | |
| 2819 | - /* Wrap around 0x80 for 128 byte EEPROMS (Internale and 93x46) */ | |
| 2820 | - eeprom_size_mask = eeprom->size -1; | |
| 2821 | - free_end = i & eeprom_size_mask; | |
| 2822 | - | |
| 2823 | - // Addr 0E: Offset of the manufacturer string + 0x80, calculated later | |
| 2824 | - // Addr 0F: Length of manufacturer string | |
| 2825 | - // Output manufacturer | |
| 2826 | - output[0x0E] = i; // calculate offset | |
| 2827 | - output[i & eeprom_size_mask] = manufacturer_size*2 + 2, i++; | |
| 2828 | - output[i & eeprom_size_mask] = 0x03, i++; // type: string | |
| 2829 | - for (j = 0; j < manufacturer_size; j++) | |
| 2830 | - { | |
| 2831 | - output[i & eeprom_size_mask] = eeprom->manufacturer[j], i++; | |
| 2832 | - output[i & eeprom_size_mask] = 0x00, i++; | |
| 2833 | - } | |
| 2834 | - output[0x0F] = manufacturer_size*2 + 2; | |
| 2835 | - | |
| 2836 | - // Addr 10: Offset of the product string + 0x80, calculated later | |
| 2837 | - // Addr 11: Length of product string | |
| 2838 | - output[0x10] = i | 0x80; // calculate offset | |
| 2839 | - output[i & eeprom_size_mask] = product_size*2 + 2, i++; | |
| 2840 | - output[i & eeprom_size_mask] = 0x03, i++; | |
| 2841 | - for (j = 0; j < product_size; j++) | |
| 2842 | - { | |
| 2843 | - output[i & eeprom_size_mask] = eeprom->product[j], i++; | |
| 2844 | - output[i & eeprom_size_mask] = 0x00, i++; | |
| 2845 | - } | |
| 2846 | - output[0x11] = product_size*2 + 2; | |
| 2847 | - | |
| 2848 | - // Addr 12: Offset of the serial string + 0x80, calculated later | |
| 2849 | - // Addr 13: Length of serial string | |
| 2850 | - output[0x12] = i | 0x80; // calculate offset | |
| 2851 | - output[i & eeprom_size_mask] = serial_size*2 + 2, i++; | |
| 2852 | - output[i & eeprom_size_mask] = 0x03, i++; | |
| 2853 | - for (j = 0; j < serial_size; j++) | |
| 2854 | - { | |
| 2855 | - output[i & eeprom_size_mask] = eeprom->serial[j], i++; | |
| 2856 | - output[i & eeprom_size_mask] = 0x00, i++; | |
| 2857 | - } | |
| 2858 | - | |
| 2859 | - // Legacy port name and PnP fields for FT2232 and newer chips | |
| 2860 | - if (ftdi->type > TYPE_BM) | |
| 2861 | - { | |
| 2862 | - output[i & eeprom_size_mask] = 0x02; /* as seen when written with FTD2XX */ | |
| 2863 | - i++; | |
| 2864 | - output[i & eeprom_size_mask] = 0x03; /* as seen when written with FTD2XX */ | |
| 2865 | - i++; | |
| 2866 | - output[i & eeprom_size_mask] = eeprom->is_not_pnp; /* as seen when written with FTD2XX */ | |
| 2867 | - i++; | |
| 2868 | - } | |
| 2869 | - | |
| 2870 | - output[0x13] = serial_size*2 + 2; | |
| 2871 | - | |
| 2872 | - if (ftdi->type > TYPE_AM) /* use_serial not used in AM devices */ | |
| 2873 | - { | |
| 2874 | - if (eeprom->use_serial) | |
| 2875 | - output[0x0A] |= USE_SERIAL_NUM; | |
| 2876 | - else | |
| 2877 | - output[0x0A] &= ~USE_SERIAL_NUM; | |
| 2878 | - } | |
| 2879 | - | |
| 2880 | - /* Bytes and Bits specific to (some) types | |
| 2881 | - Write linear, as this allows easier fixing*/ | |
| 2882 | - switch (ftdi->type) | |
| 2883 | - { | |
| 2884 | - case TYPE_AM: | |
| 2885 | - break; | |
| 2886 | - case TYPE_BM: | |
| 2887 | - output[0x0C] = eeprom->usb_version & 0xff; | |
| 2888 | - output[0x0D] = (eeprom->usb_version>>8) & 0xff; | |
| 2889 | - if (eeprom->use_usb_version) | |
| 2890 | - output[0x0A] |= USE_USB_VERSION_BIT; | |
| 2891 | - else | |
| 2892 | - output[0x0A] &= ~USE_USB_VERSION_BIT; | |
| 2893 | - | |
| 2894 | - break; | |
| 2895 | - case TYPE_2232C: | |
| 2896 | - | |
| 2897 | - output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232C); | |
| 2898 | - if ( eeprom->channel_a_driver == DRIVER_VCP) | |
| 2899 | - output[0x00] |= DRIVER_VCP; | |
| 2900 | - else | |
| 2901 | - output[0x00] &= ~DRIVER_VCP; | |
| 2902 | - | |
| 2903 | - if ( eeprom->high_current_a == HIGH_CURRENT_DRIVE) | |
| 2904 | - output[0x00] |= HIGH_CURRENT_DRIVE; | |
| 2905 | - else | |
| 2906 | - output[0x00] &= ~HIGH_CURRENT_DRIVE; | |
| 2907 | - | |
| 2908 | - output[0x01] = type2bit(eeprom->channel_b_type, TYPE_2232C); | |
| 2909 | - if ( eeprom->channel_b_driver == DRIVER_VCP) | |
| 2910 | - output[0x01] |= DRIVER_VCP; | |
| 2911 | - else | |
| 2912 | - output[0x01] &= ~DRIVER_VCP; | |
| 2913 | - | |
| 2914 | - if ( eeprom->high_current_b == HIGH_CURRENT_DRIVE) | |
| 2915 | - output[0x01] |= HIGH_CURRENT_DRIVE; | |
| 2916 | - else | |
| 2917 | - output[0x01] &= ~HIGH_CURRENT_DRIVE; | |
| 2918 | - | |
| 2919 | - if (eeprom->in_is_isochronous) | |
| 2920 | - output[0x0A] |= 0x1; | |
| 2921 | - else | |
| 2922 | - output[0x0A] &= ~0x1; | |
| 2923 | - if (eeprom->out_is_isochronous) | |
| 2924 | - output[0x0A] |= 0x2; | |
| 2925 | - else | |
| 2926 | - output[0x0A] &= ~0x2; | |
| 2927 | - if (eeprom->suspend_pull_downs) | |
| 2928 | - output[0x0A] |= 0x4; | |
| 2929 | - else | |
| 2930 | - output[0x0A] &= ~0x4; | |
| 2931 | - if (eeprom->use_usb_version) | |
| 2932 | - output[0x0A] |= USE_USB_VERSION_BIT; | |
| 2933 | - else | |
| 2934 | - output[0x0A] &= ~USE_USB_VERSION_BIT; | |
| 2935 | - | |
| 2936 | - output[0x0C] = eeprom->usb_version & 0xff; | |
| 2937 | - output[0x0D] = (eeprom->usb_version>>8) & 0xff; | |
| 2938 | - output[0x14] = eeprom->chip; | |
| 2939 | - break; | |
| 2940 | - case TYPE_R: | |
| 2941 | - if (eeprom->high_current == HIGH_CURRENT_DRIVE_R) | |
| 2942 | - output[0x00] |= HIGH_CURRENT_DRIVE_R; | |
| 2943 | - if (eeprom->external_oscillator) | |
| 2944 | - output[0x00] |= 0x02; | |
| 2945 | - output[0x01] = 0x40; /* Hard coded Endpoint Size*/ | |
| 2946 | - | |
| 2947 | - if (eeprom->suspend_pull_downs) | |
| 2948 | - output[0x0A] |= 0x4; | |
| 2949 | - else | |
| 2950 | - output[0x0A] &= ~0x4; | |
| 2951 | - output[0x0B] = eeprom->invert; | |
| 2952 | - output[0x0C] = eeprom->usb_version & 0xff; | |
| 2953 | - output[0x0D] = (eeprom->usb_version>>8) & 0xff; | |
| 2954 | - | |
| 2955 | - if (eeprom->cbus_function[0] > CBUS_BB_RD) | |
| 2956 | - output[0x14] = CBUS_TXLED; | |
| 2957 | - else | |
| 2958 | - output[0x14] = eeprom->cbus_function[0]; | |
| 2959 | - | |
| 2960 | - if (eeprom->cbus_function[1] > CBUS_BB_RD) | |
| 2961 | - output[0x14] |= CBUS_RXLED<<4; | |
| 2962 | - else | |
| 2963 | - output[0x14] |= eeprom->cbus_function[1]<<4; | |
| 2964 | - | |
| 2965 | - if (eeprom->cbus_function[2] > CBUS_BB_RD) | |
| 2966 | - output[0x15] = CBUS_TXDEN; | |
| 2967 | - else | |
| 2968 | - output[0x15] = eeprom->cbus_function[2]; | |
| 2969 | - | |
| 2970 | - if (eeprom->cbus_function[3] > CBUS_BB_RD) | |
| 2971 | - output[0x15] |= CBUS_PWREN<<4; | |
| 2972 | - else | |
| 2973 | - output[0x15] |= eeprom->cbus_function[3]<<4; | |
| 2974 | - | |
| 2975 | - if (eeprom->cbus_function[4] > CBUS_CLK6) | |
| 2976 | - output[0x16] = CBUS_SLEEP; | |
| 2977 | - else | |
| 2978 | - output[0x16] = eeprom->cbus_function[4]; | |
| 2979 | - break; | |
| 2980 | - case TYPE_2232H: | |
| 2981 | - output[0x00] = type2bit(eeprom->channel_a_type, TYPE_2232H); | |
| 2982 | - if ( eeprom->channel_a_driver == DRIVER_VCP) | |
| 2983 | - output[0x00] |= DRIVER_VCP; | |
| 2984 | - else | |
| 2985 | - output[0x00] &= ~DRIVER_VCP; | |
| 2986 | - | |
| 2987 | - output[0x01] = type2bit(eeprom->channel_b_type, TYPE_2232H); | |
| 2988 | - if ( eeprom->channel_b_driver == DRIVER_VCP) | |
| 2989 | - output[0x01] |= DRIVER_VCP; | |
| 2990 | - else | |
| 2991 | - output[0x01] &= ~DRIVER_VCP; | |
| 2992 | - if (eeprom->suspend_dbus7 == SUSPEND_DBUS7_BIT) | |
| 2993 | - output[0x01] |= SUSPEND_DBUS7_BIT; | |
| 2994 | - else | |
| 2995 | - output[0x01] &= ~SUSPEND_DBUS7_BIT; | |
| 2996 | - | |
| 2997 | - if (eeprom->suspend_pull_downs) | |
| 2998 | - output[0x0A] |= 0x4; | |
| 2999 | - else | |
| 3000 | - output[0x0A] &= ~0x4; | |
| 3001 | - | |
| 3002 | - if (eeprom->group0_drive > DRIVE_16MA) | |
| 3003 | - output[0x0c] |= DRIVE_16MA; | |
| 3004 | - else | |
| 3005 | - output[0x0c] |= eeprom->group0_drive; | |
| 3006 | - if (eeprom->group0_schmitt == IS_SCHMITT) | |
| 3007 | - output[0x0c] |= IS_SCHMITT; | |
| 3008 | - if (eeprom->group0_slew == SLOW_SLEW) | |
| 3009 | - output[0x0c] |= SLOW_SLEW; | |
| 3010 | - | |
| 3011 | - if (eeprom->group1_drive > DRIVE_16MA) | |
| 3012 | - output[0x0c] |= DRIVE_16MA<<4; | |
| 3013 | - else | |
| 3014 | - output[0x0c] |= eeprom->group1_drive<<4; | |
| 3015 | - if (eeprom->group1_schmitt == IS_SCHMITT) | |
| 3016 | - output[0x0c] |= IS_SCHMITT<<4; | |
| 3017 | - if (eeprom->group1_slew == SLOW_SLEW) | |
| 3018 | - output[0x0c] |= SLOW_SLEW<<4; | |
| 3019 | - | |
| 3020 | - if (eeprom->group2_drive > DRIVE_16MA) | |
| 3021 | - output[0x0d] |= DRIVE_16MA; | |
| 3022 | - else | |
| 3023 | - output[0x0d] |= eeprom->group2_drive; | |
| 3024 | - if (eeprom->group2_schmitt == IS_SCHMITT) | |
| 3025 | - output[0x0d] |= IS_SCHMITT; | |
| 3026 | - if (eeprom->group2_slew == SLOW_SLEW) | |
| 3027 | - output[0x0d] |= SLOW_SLEW; | |
| 3028 | - | |
| 3029 | - if (eeprom->group3_drive > DRIVE_16MA) | |
| 3030 | - output[0x0d] |= DRIVE_16MA<<4; | |
| 3031 | - else | |
| 3032 | - output[0x0d] |= eeprom->group3_drive<<4; | |
| 3033 | - if (eeprom->group3_schmitt == IS_SCHMITT) | |
| 3034 | - output[0x0d] |= IS_SCHMITT<<4; | |
| 3035 | - if (eeprom->group3_slew == SLOW_SLEW) | |
| 3036 | - output[0x0d] |= SLOW_SLEW<<4; | |
| 3037 | - | |
| 3038 | - output[0x18] = eeprom->chip; | |
| 3039 | - | |
| 3040 | - break; | |
| 3041 | - case TYPE_4232H: | |
| 3042 | - if (eeprom->channel_a_driver == DRIVER_VCP) | |
| 3043 | - output[0x00] |= DRIVER_VCP; | |
| 3044 | - else | |
| 3045 | - output[0x00] &= ~DRIVER_VCP; | |
| 3046 | - if (eeprom->channel_b_driver == DRIVER_VCP) | |
| 3047 | - output[0x01] |= DRIVER_VCP; | |
| 3048 | - else | |
| 3049 | - output[0x01] &= ~DRIVER_VCP; | |
| 3050 | - if (eeprom->channel_c_driver == DRIVER_VCP) | |
| 3051 | - output[0x00] |= (DRIVER_VCP << 4); | |
| 3052 | - else | |
| 3053 | - output[0x00] &= ~(DRIVER_VCP << 4); | |
| 3054 | - if (eeprom->channel_d_driver == DRIVER_VCP) | |
| 3055 | - output[0x01] |= (DRIVER_VCP << 4); | |
| 3056 | - else | |
| 3057 | - output[0x01] &= ~(DRIVER_VCP << 4); | |
| 3058 | - | |
| 3059 | - if (eeprom->suspend_pull_downs) | |
| 3060 | - output[0x0a] |= 0x4; | |
| 3061 | - else | |
| 3062 | - output[0x0a] &= ~0x4; | |
| 3063 | - | |
| 3064 | - if (eeprom->channel_a_rs485enable) | |
| 3065 | - output[0x0b] |= CHANNEL_IS_RS485 << 0; | |
| 3066 | - else | |
| 3067 | - output[0x0b] &= ~(CHANNEL_IS_RS485 << 0); | |
| 3068 | - if (eeprom->channel_b_rs485enable) | |
| 3069 | - output[0x0b] |= CHANNEL_IS_RS485 << 1; | |
| 3070 | - else | |
| 3071 | - output[0x0b] &= ~(CHANNEL_IS_RS485 << 1); | |
| 3072 | - if (eeprom->channel_c_rs485enable) | |
| 3073 | - output[0x0b] |= CHANNEL_IS_RS485 << 2; | |
| 3074 | - else | |
| 3075 | - output[0x0b] &= ~(CHANNEL_IS_RS485 << 2); | |
| 3076 | - if (eeprom->channel_d_rs485enable) | |
| 3077 | - output[0x0b] |= CHANNEL_IS_RS485 << 3; | |
| 3078 | - else | |
| 3079 | - output[0x0b] &= ~(CHANNEL_IS_RS485 << 3); | |
| 3080 | - | |
| 3081 | - if (eeprom->group0_drive > DRIVE_16MA) | |
| 3082 | - output[0x0c] |= DRIVE_16MA; | |
| 3083 | - else | |
| 3084 | - output[0x0c] |= eeprom->group0_drive; | |
| 3085 | - if (eeprom->group0_schmitt == IS_SCHMITT) | |
| 3086 | - output[0x0c] |= IS_SCHMITT; | |
| 3087 | - if (eeprom->group0_slew == SLOW_SLEW) | |
| 3088 | - output[0x0c] |= SLOW_SLEW; | |
| 3089 | - | |
| 3090 | - if (eeprom->group1_drive > DRIVE_16MA) | |
| 3091 | - output[0x0c] |= DRIVE_16MA<<4; | |
| 3092 | - else | |
| 3093 | - output[0x0c] |= eeprom->group1_drive<<4; | |
| 3094 | - if (eeprom->group1_schmitt == IS_SCHMITT) | |
| 3095 | - output[0x0c] |= IS_SCHMITT<<4; | |
| 3096 | - if (eeprom->group1_slew == SLOW_SLEW) | |
| 3097 | - output[0x0c] |= SLOW_SLEW<<4; | |
| 3098 | - | |
| 3099 | - if (eeprom->group2_drive > DRIVE_16MA) | |
| 3100 | - output[0x0d] |= DRIVE_16MA; | |
| 3101 | - else | |
| 3102 | - output[0x0d] |= eeprom->group2_drive; | |
| 3103 | - if (eeprom->group2_schmitt == IS_SCHMITT) | |
| 3104 | - output[0x0d] |= IS_SCHMITT; | |
| 3105 | - if (eeprom->group2_slew == SLOW_SLEW) | |
| 3106 | - output[0x0d] |= SLOW_SLEW; | |
| 3107 | - | |
| 3108 | - if (eeprom->group3_drive > DRIVE_16MA) | |
| 3109 | - output[0x0d] |= DRIVE_16MA<<4; | |
| 3110 | - else | |
| 3111 | - output[0x0d] |= eeprom->group3_drive<<4; | |
| 3112 | - if (eeprom->group3_schmitt == IS_SCHMITT) | |
| 3113 | - output[0x0d] |= IS_SCHMITT<<4; | |
| 3114 | - if (eeprom->group3_slew == SLOW_SLEW) | |
| 3115 | - output[0x0d] |= SLOW_SLEW<<4; | |
| 3116 | - | |
| 3117 | - output[0x18] = eeprom->chip; | |
| 3118 | - | |
| 3119 | - break; | |
| 3120 | - case TYPE_232H: | |
| 3121 | - output[0x00] = type2bit(eeprom->channel_a_type, TYPE_232H); | |
| 3122 | - if ( eeprom->channel_a_driver == DRIVER_VCP) | |
| 3123 | - output[0x00] |= DRIVER_VCPH; | |
| 3124 | - else | |
| 3125 | - output[0x00] &= ~DRIVER_VCPH; | |
| 3126 | - if (eeprom->powersave) | |
| 3127 | - output[0x01] |= POWER_SAVE_DISABLE_H; | |
| 3128 | - else | |
| 3129 | - output[0x01] &= ~POWER_SAVE_DISABLE_H; | |
| 3130 | - | |
| 3131 | - if (eeprom->suspend_pull_downs) | |
| 3132 | - output[0x0a] |= 0x4; | |
| 3133 | - else | |
| 3134 | - output[0x0a] &= ~0x4; | |
| 3135 | - | |
| 3136 | - if (eeprom->clock_polarity) | |
| 3137 | - output[0x01] |= FT1284_CLK_IDLE_STATE; | |
| 3138 | - else | |
| 3139 | - output[0x01] &= ~FT1284_CLK_IDLE_STATE; | |
| 3140 | - if (eeprom->data_order) | |
| 3141 | - output[0x01] |= FT1284_DATA_LSB; | |
| 3142 | - else | |
| 3143 | - output[0x01] &= ~FT1284_DATA_LSB; | |
| 3144 | - if (eeprom->flow_control) | |
| 3145 | - output[0x01] |= FT1284_FLOW_CONTROL; | |
| 3146 | - else | |
| 3147 | - output[0x01] &= ~FT1284_FLOW_CONTROL; | |
| 3148 | - if (eeprom->group0_drive > DRIVE_16MA) | |
| 3149 | - output[0x0c] |= DRIVE_16MA; | |
| 3150 | - else | |
| 3151 | - output[0x0c] |= eeprom->group0_drive; | |
| 3152 | - if (eeprom->group0_schmitt == IS_SCHMITT) | |
| 3153 | - output[0x0c] |= IS_SCHMITT; | |
| 3154 | - if (eeprom->group0_slew == SLOW_SLEW) | |
| 3155 | - output[0x0c] |= SLOW_SLEW; | |
| 3156 | - | |
| 3157 | - if (eeprom->group1_drive > DRIVE_16MA) | |
| 3158 | - output[0x0d] |= DRIVE_16MA; | |
| 3159 | - else | |
| 3160 | - output[0x0d] |= eeprom->group1_drive; | |
| 3161 | - if (eeprom->group1_schmitt == IS_SCHMITT) | |
| 3162 | - output[0x0d] |= IS_SCHMITT; | |
| 3163 | - if (eeprom->group1_slew == SLOW_SLEW) | |
| 3164 | - output[0x0d] |= SLOW_SLEW; | |
| 3165 | - | |
| 3166 | - set_ft232h_cbus(eeprom, output); | |
| 3167 | - | |
| 3168 | - output[0x1e] = eeprom->chip; | |
| 3169 | - fprintf(stderr,"FIXME: Build FT232H specific EEPROM settings\n"); | |
| 3170 | - break; | |
| 3171 | - case TYPE_230X: | |
| 3172 | - output[0x00] = 0x80; /* Actually, leave the default value */ | |
| 3173 | - output[0x0a] = 0x08; /* Enable USB Serial Number */ | |
| 3174 | - /*FIXME: Make DBUS & CBUS Control configurable*/ | |
| 3175 | - output[0x0c] = 0; /* DBUS drive 4mA, CBUS drive 4 mA like factory default */ | |
| 3176 | - for (j = 0; j <= 6; j++) | |
| 3177 | - { | |
| 3178 | - output[0x1a + j] = eeprom->cbus_function[j]; | |
| 3179 | - } | |
| 3180 | - output[0x0b] = eeprom->invert; | |
| 3181 | - break; | |
| 3182 | - } | |
| 3183 | - | |
| 3184 | - /* First address without use */ | |
| 3185 | - free_start = 0; | |
| 3186 | - switch (ftdi->type) | |
| 3187 | - { | |
| 3188 | - case TYPE_230X: | |
| 3189 | - free_start += 2; | |
| 3190 | - case TYPE_232H: | |
| 3191 | - free_start += 6; | |
| 3192 | - case TYPE_2232H: | |
| 3193 | - case TYPE_4232H: | |
| 3194 | - free_start += 2; | |
| 3195 | - case TYPE_R: | |
| 3196 | - free_start += 2; | |
| 3197 | - case TYPE_2232C: | |
| 3198 | - free_start++; | |
| 3199 | - case TYPE_AM: | |
| 3200 | - case TYPE_BM: | |
| 3201 | - free_start += 0x14; | |
| 3202 | - } | |
| 3203 | - | |
| 3204 | - /* Arbitrary user data */ | |
| 3205 | - if (eeprom->user_data && eeprom->user_data_size >= 0) | |
| 3206 | - { | |
| 3207 | - if (eeprom->user_data_addr < free_start) | |
| 3208 | - fprintf(stderr,"Warning, user data starts inside the generated data!\n"); | |
| 3209 | - if (eeprom->user_data_addr + eeprom->user_data_size >= free_end) | |
| 3210 | - fprintf(stderr,"Warning, user data overlaps the strings area!\n"); | |
| 3211 | - if (eeprom->user_data_addr + eeprom->user_data_size > eeprom->size) | |
| 3212 | - ftdi_error_return(-1,"eeprom size exceeded"); | |
| 3213 | - memcpy(output + eeprom->user_data_addr, eeprom->user_data, eeprom->user_data_size); | |
| 3214 | - } | |
| 3215 | - | |
| 3216 | - // calculate checksum | |
| 3217 | - checksum = 0xAAAA; | |
| 3218 | - | |
| 3219 | - for (i = 0; i < eeprom->size/2-1; i++) | |
| 3220 | - { | |
| 3221 | - if ((ftdi->type == TYPE_230X) && (i == 0x12)) | |
| 3222 | - { | |
| 3223 | - /* FT230X has a user section in the MTP which is not part of the checksum */ | |
| 3224 | - i = 0x40; | |
| 3225 | - } | |
| 3226 | - if ((ftdi->type == TYPE_230X) && (i >= 0x40) && (i < 0x50)) { | |
| 3227 | - uint16_t data; | |
| 3228 | - if (ftdi_read_eeprom_location(ftdi, i, &data)) { | |
| 3229 | - fprintf(stderr, "Reading Factory Configuration Data failed\n"); | |
| 3230 | - i = 0x50; | |
| 3231 | - } | |
| 3232 | - value = data; | |
| 3233 | - } | |
| 3234 | - else { | |
| 3235 | - value = output[i*2]; | |
| 3236 | - value += output[(i*2)+1] << 8; | |
| 3237 | - } | |
| 3238 | - checksum = value^checksum; | |
| 3239 | - checksum = (checksum << 1) | (checksum >> 15); | |
| 3240 | - } | |
| 3241 | - | |
| 3242 | - output[eeprom->size-2] = checksum; | |
| 3243 | - output[eeprom->size-1] = checksum >> 8; | |
| 3244 | - | |
| 3245 | - eeprom->initialized_for_connected_device = 1; | |
| 3246 | - return user_area_size; | |
| 3247 | -} | |
| 3248 | -/* Decode the encoded EEPROM field for the FTDI Mode into a value for the abstracted | |
| 3249 | - * EEPROM structure | |
| 3250 | - * | |
| 3251 | - * FTD2XX doesn't allow to set multiple bits in the interface mode bitfield, and so do we | |
| 3252 | - */ | |
| 3253 | -static unsigned char bit2type(unsigned char bits) | |
| 3254 | -{ | |
| 3255 | - switch (bits) | |
| 3256 | - { | |
| 3257 | - case 0: return CHANNEL_IS_UART; | |
| 3258 | - case 1: return CHANNEL_IS_FIFO; | |
| 3259 | - case 2: return CHANNEL_IS_OPTO; | |
| 3260 | - case 4: return CHANNEL_IS_CPU; | |
| 3261 | - case 8: return CHANNEL_IS_FT1284; | |
| 3262 | - default: | |
| 3263 | - fprintf(stderr," Unexpected value %d for Hardware Interface type\n", | |
| 3264 | - bits); | |
| 3265 | - } | |
| 3266 | - return 0; | |
| 3267 | -} | |
| 3268 | -/* Decode 230X / 232R type chips invert bits | |
| 3269 | - * Prints directly to stdout. | |
| 3270 | -*/ | |
| 3271 | -static void print_inverted_bits(int invert) | |
| 3272 | -{ | |
| 3273 | - char *r_bits[] = {"TXD","RXD","RTS","CTS","DTR","DSR","DCD","RI"}; | |
| 3274 | - int i; | |
| 3275 | - | |
| 3276 | - fprintf(stdout,"Inverted bits:"); | |
| 3277 | - for (i=0; i<8; i++) | |
| 3278 | - if ((invert & (1<<i)) == (1<<i)) | |
| 3279 | - fprintf(stdout," %s",r_bits[i]); | |
| 3280 | - | |
| 3281 | - fprintf(stdout,"\n"); | |
| 3282 | -} | |
| 3283 | -/** | |
| 3284 | - Decode binary EEPROM image into an ftdi_eeprom structure. | |
| 3285 | - | |
| 3286 | - For FT-X devices use AN_201 FT-X MTP memory Configuration to decode. | |
| 3287 | - | |
| 3288 | - \param ftdi pointer to ftdi_context | |
| 3289 | - \param verbose Decode EEPROM on stdout | |
| 3290 | - | |
| 3291 | - \retval 0: all fine | |
| 3292 | - \retval -1: something went wrong | |
| 3293 | - | |
| 3294 | - FIXME: How to pass size? How to handle size field in ftdi_eeprom? | |
| 3295 | - FIXME: Strings are malloc'ed here and should be freed somewhere | |
| 3296 | -*/ | |
| 3297 | -int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose) | |
| 3298 | -{ | |
| 3299 | - int i, j; | |
| 3300 | - unsigned short checksum, eeprom_checksum, value; | |
| 3301 | - unsigned char manufacturer_size = 0, product_size = 0, serial_size = 0; | |
| 3302 | - int eeprom_size; | |
| 3303 | - struct ftdi_eeprom *eeprom; | |
| 3304 | - unsigned char *buf = NULL; | |
| 3305 | - | |
| 3306 | - if (ftdi == NULL) | |
| 3307 | - ftdi_error_return(-1,"No context"); | |
| 3308 | - if (ftdi->eeprom == NULL) | |
| 3309 | - ftdi_error_return(-1,"No eeprom structure"); | |
| 3310 | - | |
| 3311 | - eeprom = ftdi->eeprom; | |
| 3312 | - eeprom_size = eeprom->size; | |
| 3313 | - buf = ftdi->eeprom->buf; | |
| 3314 | - | |
| 3315 | - // Addr 02: Vendor ID | |
| 3316 | - eeprom->vendor_id = buf[0x02] + (buf[0x03] << 8); | |
| 3317 | - | |
| 3318 | - // Addr 04: Product ID | |
| 3319 | - eeprom->product_id = buf[0x04] + (buf[0x05] << 8); | |
| 3320 | - | |
| 3321 | - // Addr 06: Device release number | |
| 3322 | - eeprom->release_number = buf[0x06] + (buf[0x07]<<8); | |
| 3323 | - | |
| 3324 | - // Addr 08: Config descriptor | |
| 3325 | - // Bit 7: always 1 | |
| 3326 | - // Bit 6: 1 if this device is self powered, 0 if bus powered | |
| 3327 | - // Bit 5: 1 if this device uses remote wakeup | |
| 3328 | - eeprom->self_powered = buf[0x08] & 0x40; | |
| 3329 | - eeprom->remote_wakeup = buf[0x08] & 0x20; | |
| 3330 | - | |
| 3331 | - // Addr 09: Max power consumption: max power = value * 2 mA | |
| 3332 | - eeprom->max_power = MAX_POWER_MILLIAMP_PER_UNIT * buf[0x09]; | |
| 3333 | - | |
| 3334 | - // Addr 0A: Chip configuration | |
| 3335 | - // Bit 7: 0 - reserved | |
| 3336 | - // Bit 6: 0 - reserved | |
| 3337 | - // Bit 5: 0 - reserved | |
| 3338 | - // Bit 4: 1 - Change USB version on BM and 2232C | |
| 3339 | - // Bit 3: 1 - Use the serial number string | |
| 3340 | - // Bit 2: 1 - Enable suspend pull downs for lower power | |
| 3341 | - // Bit 1: 1 - Out EndPoint is Isochronous | |
| 3342 | - // Bit 0: 1 - In EndPoint is Isochronous | |
| 3343 | - // | |
| 3344 | - eeprom->in_is_isochronous = buf[0x0A]&0x01; | |
| 3345 | - eeprom->out_is_isochronous = buf[0x0A]&0x02; | |
| 3346 | - eeprom->suspend_pull_downs = buf[0x0A]&0x04; | |
| 3347 | - eeprom->use_serial = !!(buf[0x0A] & USE_SERIAL_NUM); | |
| 3348 | - eeprom->use_usb_version = !!(buf[0x0A] & USE_USB_VERSION_BIT); | |
| 3349 | - | |
| 3350 | - // Addr 0C: USB version low byte when 0x0A | |
| 3351 | - // Addr 0D: USB version high byte when 0x0A | |
| 3352 | - eeprom->usb_version = buf[0x0C] + (buf[0x0D] << 8); | |
| 3353 | - | |
| 3354 | - // Addr 0E: Offset of the manufacturer string + 0x80, calculated later | |
| 3355 | - // Addr 0F: Length of manufacturer string | |
| 3356 | - manufacturer_size = buf[0x0F]/2; | |
| 3357 | - if (eeprom->manufacturer) | |
| 3358 | - free(eeprom->manufacturer); | |
| 3359 | - if (manufacturer_size > 0) | |
| 3360 | - { | |
| 3361 | - eeprom->manufacturer = malloc(manufacturer_size); | |
| 3362 | - if (eeprom->manufacturer) | |
| 3363 | - { | |
| 3364 | - // Decode manufacturer | |
| 3365 | - i = buf[0x0E] & (eeprom_size -1); // offset | |
| 3366 | - for (j=0; j<manufacturer_size-1; j++) | |
| 3367 | - { | |
| 3368 | - eeprom->manufacturer[j] = buf[2*j+i+2]; | |
| 3369 | - } | |
| 3370 | - eeprom->manufacturer[j] = '\0'; | |
| 3371 | - } | |
| 3372 | - } | |
| 3373 | - else eeprom->manufacturer = NULL; | |
| 3374 | - | |
| 3375 | - // Addr 10: Offset of the product string + 0x80, calculated later | |
| 3376 | - // Addr 11: Length of product string | |
| 3377 | - if (eeprom->product) | |
| 3378 | - free(eeprom->product); | |
| 3379 | - product_size = buf[0x11]/2; | |
| 3380 | - if (product_size > 0) | |
| 3381 | - { | |
| 3382 | - eeprom->product = malloc(product_size); | |
| 3383 | - if (eeprom->product) | |
| 3384 | - { | |
| 3385 | - // Decode product name | |
| 3386 | - i = buf[0x10] & (eeprom_size -1); // offset | |
| 3387 | - for (j=0; j<product_size-1; j++) | |
| 3388 | - { | |
| 3389 | - eeprom->product[j] = buf[2*j+i+2]; | |
| 3390 | - } | |
| 3391 | - eeprom->product[j] = '\0'; | |
| 3392 | - } | |
| 3393 | - } | |
| 3394 | - else eeprom->product = NULL; | |
| 3395 | - | |
| 3396 | - // Addr 12: Offset of the serial string + 0x80, calculated later | |
| 3397 | - // Addr 13: Length of serial string | |
| 3398 | - if (eeprom->serial) | |
| 3399 | - free(eeprom->serial); | |
| 3400 | - serial_size = buf[0x13]/2; | |
| 3401 | - if (serial_size > 0) | |
| 3402 | - { | |
| 3403 | - eeprom->serial = malloc(serial_size); | |
| 3404 | - if (eeprom->serial) | |
| 3405 | - { | |
| 3406 | - // Decode serial | |
| 3407 | - i = buf[0x12] & (eeprom_size -1); // offset | |
| 3408 | - for (j=0; j<serial_size-1; j++) | |
| 3409 | - { | |
| 3410 | - eeprom->serial[j] = buf[2*j+i+2]; | |
| 3411 | - } | |
| 3412 | - eeprom->serial[j] = '\0'; | |
| 3413 | - } | |
| 3414 | - } | |
| 3415 | - else eeprom->serial = NULL; | |
| 3416 | - | |
| 3417 | - // verify checksum | |
| 3418 | - checksum = 0xAAAA; | |
| 3419 | - | |
| 3420 | - for (i = 0; i < eeprom_size/2-1; i++) | |
| 3421 | - { | |
| 3422 | - if ((ftdi->type == TYPE_230X) && (i == 0x12)) | |
| 3423 | - { | |
| 3424 | - /* FT230X has a user section in the MTP which is not part of the checksum */ | |
| 3425 | - i = 0x40; | |
| 3426 | - } | |
| 3427 | - value = buf[i*2]; | |
| 3428 | - value += buf[(i*2)+1] << 8; | |
| 3429 | - | |
| 3430 | - checksum = value^checksum; | |
| 3431 | - checksum = (checksum << 1) | (checksum >> 15); | |
| 3432 | - } | |
| 3433 | - | |
| 3434 | - eeprom_checksum = buf[eeprom_size-2] + (buf[eeprom_size-1] << 8); | |
| 3435 | - | |
| 3436 | - if (eeprom_checksum != checksum) | |
| 3437 | - { | |
| 3438 | - fprintf(stderr, "Checksum Error: %04x %04x\n", checksum, eeprom_checksum); | |
| 3439 | - ftdi_error_return(-1,"EEPROM checksum error"); | |
| 3440 | - } | |
| 3441 | - | |
| 3442 | - eeprom->channel_a_type = 0; | |
| 3443 | - if ((ftdi->type == TYPE_AM) || (ftdi->type == TYPE_BM)) | |
| 3444 | - { | |
| 3445 | - eeprom->chip = -1; | |
| 3446 | - } | |
| 3447 | - else if (ftdi->type == TYPE_2232C) | |
| 3448 | - { | |
| 3449 | - eeprom->channel_a_type = bit2type(buf[0x00] & 0x7); | |
| 3450 | - eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP; | |
| 3451 | - eeprom->high_current_a = buf[0x00] & HIGH_CURRENT_DRIVE; | |
| 3452 | - eeprom->channel_b_type = buf[0x01] & 0x7; | |
| 3453 | - eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP; | |
| 3454 | - eeprom->high_current_b = buf[0x01] & HIGH_CURRENT_DRIVE; | |
| 3455 | - eeprom->chip = buf[0x14]; | |
| 3456 | - } | |
| 3457 | - else if (ftdi->type == TYPE_R) | |
| 3458 | - { | |
| 3459 | - /* TYPE_R flags D2XX, not VCP as all others*/ | |
| 3460 | - eeprom->channel_a_driver = ~buf[0x00] & DRIVER_VCP; | |
| 3461 | - eeprom->high_current = buf[0x00] & HIGH_CURRENT_DRIVE_R; | |
| 3462 | - eeprom->external_oscillator = buf[0x00] & 0x02; | |
| 3463 | - if ( (buf[0x01]&0x40) != 0x40) | |
| 3464 | - fprintf(stderr, | |
| 3465 | - "TYPE_R EEPROM byte[0x01] Bit 6 unexpected Endpoint size." | |
| 3466 | - " If this happened with the\n" | |
| 3467 | - " EEPROM programmed by FTDI tools, please report " | |
| 3468 | - "to libftdi@developer.intra2net.com\n"); | |
| 3469 | - | |
| 3470 | - eeprom->chip = buf[0x16]; | |
| 3471 | - // Addr 0B: Invert data lines | |
| 3472 | - // Works only on FT232R, not FT245R, but no way to distinguish | |
| 3473 | - eeprom->invert = buf[0x0B]; | |
| 3474 | - // Addr 14: CBUS function: CBUS0, CBUS1 | |
| 3475 | - // Addr 15: CBUS function: CBUS2, CBUS3 | |
| 3476 | - // Addr 16: CBUS function: CBUS5 | |
| 3477 | - eeprom->cbus_function[0] = buf[0x14] & 0x0f; | |
| 3478 | - eeprom->cbus_function[1] = (buf[0x14] >> 4) & 0x0f; | |
| 3479 | - eeprom->cbus_function[2] = buf[0x15] & 0x0f; | |
| 3480 | - eeprom->cbus_function[3] = (buf[0x15] >> 4) & 0x0f; | |
| 3481 | - eeprom->cbus_function[4] = buf[0x16] & 0x0f; | |
| 3482 | - } | |
| 3483 | - else if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H)) | |
| 3484 | - { | |
| 3485 | - eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP; | |
| 3486 | - eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP; | |
| 3487 | - | |
| 3488 | - if (ftdi->type == TYPE_2232H) | |
| 3489 | - { | |
| 3490 | - eeprom->channel_a_type = bit2type(buf[0x00] & 0x7); | |
| 3491 | - eeprom->channel_b_type = bit2type(buf[0x01] & 0x7); | |
| 3492 | - eeprom->suspend_dbus7 = buf[0x01] & SUSPEND_DBUS7_BIT; | |
| 3493 | - } | |
| 3494 | - else | |
| 3495 | - { | |
| 3496 | - eeprom->channel_c_driver = (buf[0x00] >> 4) & DRIVER_VCP; | |
| 3497 | - eeprom->channel_d_driver = (buf[0x01] >> 4) & DRIVER_VCP; | |
| 3498 | - eeprom->channel_a_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 0); | |
| 3499 | - eeprom->channel_b_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 1); | |
| 3500 | - eeprom->channel_c_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 2); | |
| 3501 | - eeprom->channel_d_rs485enable = buf[0x0b] & (CHANNEL_IS_RS485 << 3); | |
| 3502 | - } | |
| 3503 | - | |
| 3504 | - eeprom->chip = buf[0x18]; | |
| 3505 | - eeprom->group0_drive = buf[0x0c] & DRIVE_16MA; | |
| 3506 | - eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT; | |
| 3507 | - eeprom->group0_slew = buf[0x0c] & SLOW_SLEW; | |
| 3508 | - eeprom->group1_drive = (buf[0x0c] >> 4) & 0x3; | |
| 3509 | - eeprom->group1_schmitt = (buf[0x0c] >> 4) & IS_SCHMITT; | |
| 3510 | - eeprom->group1_slew = (buf[0x0c] >> 4) & SLOW_SLEW; | |
| 3511 | - eeprom->group2_drive = buf[0x0d] & DRIVE_16MA; | |
| 3512 | - eeprom->group2_schmitt = buf[0x0d] & IS_SCHMITT; | |
| 3513 | - eeprom->group2_slew = buf[0x0d] & SLOW_SLEW; | |
| 3514 | - eeprom->group3_drive = (buf[0x0d] >> 4) & DRIVE_16MA; | |
| 3515 | - eeprom->group3_schmitt = (buf[0x0d] >> 4) & IS_SCHMITT; | |
| 3516 | - eeprom->group3_slew = (buf[0x0d] >> 4) & SLOW_SLEW; | |
| 3517 | - } | |
| 3518 | - else if (ftdi->type == TYPE_232H) | |
| 3519 | - { | |
| 3520 | - eeprom->channel_a_type = buf[0x00] & 0xf; | |
| 3521 | - eeprom->channel_a_driver = (buf[0x00] & DRIVER_VCPH)?DRIVER_VCP:0; | |
| 3522 | - eeprom->clock_polarity = buf[0x01] & FT1284_CLK_IDLE_STATE; | |
| 3523 | - eeprom->data_order = buf[0x01] & FT1284_DATA_LSB; | |
| 3524 | - eeprom->flow_control = buf[0x01] & FT1284_FLOW_CONTROL; | |
| 3525 | - eeprom->powersave = buf[0x01] & POWER_SAVE_DISABLE_H; | |
| 3526 | - eeprom->group0_drive = buf[0x0c] & DRIVE_16MA; | |
| 3527 | - eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT; | |
| 3528 | - eeprom->group0_slew = buf[0x0c] & SLOW_SLEW; | |
| 3529 | - eeprom->group1_drive = buf[0x0d] & DRIVE_16MA; | |
| 3530 | - eeprom->group1_schmitt = buf[0x0d] & IS_SCHMITT; | |
| 3531 | - eeprom->group1_slew = buf[0x0d] & SLOW_SLEW; | |
| 3532 | - | |
| 3533 | - for(i=0; i<5; i++) | |
| 3534 | - { | |
| 3535 | - eeprom->cbus_function[2*i ] = buf[0x18+i] & 0x0f; | |
| 3536 | - eeprom->cbus_function[2*i+1] = (buf[0x18+i] >> 4) & 0x0f; | |
| 3537 | - } | |
| 3538 | - eeprom->chip = buf[0x1e]; | |
| 3539 | - /*FIXME: Decipher more values*/ | |
| 3540 | - } | |
| 3541 | - else if (ftdi->type == TYPE_230X) | |
| 3542 | - { | |
| 3543 | - for(i=0; i<4; i++) | |
| 3544 | - { | |
| 3545 | - eeprom->cbus_function[i] = buf[0x1a + i] & 0xFF; | |
| 3546 | - } | |
| 3547 | - eeprom->group0_drive = buf[0x0c] & 0x03; | |
| 3548 | - eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT; | |
| 3549 | - eeprom->group0_slew = buf[0x0c] & SLOW_SLEW; | |
| 3550 | - eeprom->group1_drive = (buf[0x0c] >> 4) & 0x03; | |
| 3551 | - eeprom->group1_schmitt = (buf[0x0c] >> 4) & IS_SCHMITT; | |
| 3552 | - eeprom->group1_slew = (buf[0x0c] >> 4) & SLOW_SLEW; | |
| 3553 | - | |
| 3554 | - eeprom->invert = buf[0xb]; | |
| 3555 | - } | |
| 3556 | - | |
| 3557 | - if (verbose) | |
| 3558 | - { | |
| 3559 | - char *channel_mode[] = {"UART", "FIFO", "CPU", "OPTO", "FT1284"}; | |
| 3560 | - fprintf(stdout, "VID: 0x%04x\n",eeprom->vendor_id); | |
| 3561 | - fprintf(stdout, "PID: 0x%04x\n",eeprom->product_id); | |
| 3562 | - fprintf(stdout, "Release: 0x%04x\n",eeprom->release_number); | |
| 3563 | - | |
| 3564 | - if (eeprom->self_powered) | |
| 3565 | - fprintf(stdout, "Self-Powered%s", (eeprom->remote_wakeup)?", USB Remote Wake Up\n":"\n"); | |
| 3566 | - else | |
| 3567 | - fprintf(stdout, "Bus Powered: %3d mA%s", eeprom->max_power, | |
| 3568 | - (eeprom->remote_wakeup)?" USB Remote Wake Up\n":"\n"); | |
| 3569 | - if (eeprom->manufacturer) | |
| 3570 | - fprintf(stdout, "Manufacturer: %s\n",eeprom->manufacturer); | |
| 3571 | - if (eeprom->product) | |
| 3572 | - fprintf(stdout, "Product: %s\n",eeprom->product); | |
| 3573 | - if (eeprom->serial) | |
| 3574 | - fprintf(stdout, "Serial: %s\n",eeprom->serial); | |
| 3575 | - fprintf(stdout, "Checksum : %04x\n", checksum); | |
| 3576 | - if (ftdi->type == TYPE_R) { | |
| 3577 | - fprintf(stdout, "Internal EEPROM\n"); | |
| 3578 | - fprintf(stdout,"Oscillator: %s\n", eeprom->external_oscillator?"External":"Internal"); | |
| 3579 | - } | |
| 3580 | - else if (eeprom->chip >= 0x46) | |
| 3581 | - fprintf(stdout, "Attached EEPROM: 93x%02x\n", eeprom->chip); | |
| 3582 | - if (eeprom->suspend_dbus7) | |
| 3583 | - fprintf(stdout, "Suspend on DBUS7\n"); | |
| 3584 | - if (eeprom->suspend_pull_downs) | |
| 3585 | - fprintf(stdout, "Pull IO pins low during suspend\n"); | |
| 3586 | - if(eeprom->powersave) | |
| 3587 | - { | |
| 3588 | - if(ftdi->type >= TYPE_232H) | |
| 3589 | - fprintf(stdout,"Enter low power state on ACBUS7\n"); | |
| 3590 | - } | |
| 3591 | - if (eeprom->remote_wakeup) | |
| 3592 | - fprintf(stdout, "Enable Remote Wake Up\n"); | |
| 3593 | - fprintf(stdout, "PNP: %d\n",(eeprom->is_not_pnp)?0:1); | |
| 3594 | - if (ftdi->type >= TYPE_2232C) | |
| 3595 | - fprintf(stdout,"Channel A has Mode %s%s%s\n", | |
| 3596 | - channel_mode[eeprom->channel_a_type], | |
| 3597 | - (eeprom->channel_a_driver)?" VCP":"", | |
| 3598 | - (eeprom->high_current_a)?" High Current IO":""); | |
| 3599 | - if (ftdi->type == TYPE_232H) | |
| 3600 | - { | |
| 3601 | - fprintf(stdout,"FT1284 Mode Clock is idle %s, %s first, %sFlow Control\n", | |
| 3602 | - (eeprom->clock_polarity)?"HIGH":"LOW", | |
| 3603 | - (eeprom->data_order)?"LSB":"MSB", | |
| 3604 | - (eeprom->flow_control)?"":"No "); | |
| 3605 | - } | |
| 3606 | - if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H)) | |
| 3607 | - fprintf(stdout,"Channel B has Mode %s%s%s\n", | |
| 3608 | - channel_mode[eeprom->channel_b_type], | |
| 3609 | - (eeprom->channel_b_driver)?" VCP":"", | |
| 3610 | - (eeprom->high_current_b)?" High Current IO":""); | |
| 3611 | - if (((ftdi->type == TYPE_BM) || (ftdi->type == TYPE_2232C)) && | |
| 3612 | - eeprom->use_usb_version) | |
| 3613 | - fprintf(stdout,"Use explicit USB Version %04x\n",eeprom->usb_version); | |
| 3614 | - | |
| 3615 | - if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H)) | |
| 3616 | - { | |
| 3617 | - fprintf(stdout,"%s has %d mA drive%s%s\n", | |
| 3618 | - (ftdi->type == TYPE_2232H)?"AL":"A", | |
| 3619 | - (eeprom->group0_drive+1) *4, | |
| 3620 | - (eeprom->group0_schmitt)?" Schmitt Input":"", | |
| 3621 | - (eeprom->group0_slew)?" Slow Slew":""); | |
| 3622 | - fprintf(stdout,"%s has %d mA drive%s%s\n", | |
| 3623 | - (ftdi->type == TYPE_2232H)?"AH":"B", | |
| 3624 | - (eeprom->group1_drive+1) *4, | |
| 3625 | - (eeprom->group1_schmitt)?" Schmitt Input":"", | |
| 3626 | - (eeprom->group1_slew)?" Slow Slew":""); | |
| 3627 | - fprintf(stdout,"%s has %d mA drive%s%s\n", | |
| 3628 | - (ftdi->type == TYPE_2232H)?"BL":"C", | |
| 3629 | - (eeprom->group2_drive+1) *4, | |
| 3630 | - (eeprom->group2_schmitt)?" Schmitt Input":"", | |
| 3631 | - (eeprom->group2_slew)?" Slow Slew":""); | |
| 3632 | - fprintf(stdout,"%s has %d mA drive%s%s\n", | |
| 3633 | - (ftdi->type == TYPE_2232H)?"BH":"D", | |
| 3634 | - (eeprom->group3_drive+1) *4, | |
| 3635 | - (eeprom->group3_schmitt)?" Schmitt Input":"", | |
| 3636 | - (eeprom->group3_slew)?" Slow Slew":""); | |
| 3637 | - } | |
| 3638 | - else if (ftdi->type == TYPE_232H) | |
| 3639 | - { | |
| 3640 | - char *cbush_mux[] = {"TRISTATE","TXLED","RXLED", "TXRXLED","PWREN", | |
| 3641 | - "SLEEP","DRIVE_0","DRIVE_1","IOMODE","TXDEN", | |
| 3642 | - "CLK30","CLK15","CLK7_5" | |
| 3643 | - }; | |
| 3644 | - fprintf(stdout,"ACBUS has %d mA drive%s%s\n", | |
| 3645 | - (eeprom->group0_drive+1) *4, | |
| 3646 | - (eeprom->group0_schmitt)?" Schmitt Input":"", | |
| 3647 | - (eeprom->group0_slew)?" Slow Slew":""); | |
| 3648 | - fprintf(stdout,"ADBUS has %d mA drive%s%s\n", | |
| 3649 | - (eeprom->group1_drive+1) *4, | |
| 3650 | - (eeprom->group1_schmitt)?" Schmitt Input":"", | |
| 3651 | - (eeprom->group1_slew)?" Slow Slew":""); | |
| 3652 | - for (i=0; i<10; i++) | |
| 3653 | - { | |
| 3654 | - if (eeprom->cbus_function[i]<= CBUSH_CLK7_5 ) | |
| 3655 | - fprintf(stdout,"C%d Function: %s\n", i, | |
| 3656 | - cbush_mux[eeprom->cbus_function[i]]); | |
| 3657 | - } | |
| 3658 | - } | |
| 3659 | - else if (ftdi->type == TYPE_230X) | |
| 3660 | - { | |
| 3661 | - char *cbusx_mux[] = {"TRISTATE","TXLED","RXLED", "TXRXLED","PWREN", | |
| 3662 | - "SLEEP","DRIVE_0","DRIVE_1","IOMODE","TXDEN", | |
| 3663 | - "CLK24","CLK12","CLK6","BAT_DETECT","BAT_DETECT#", | |
| 3664 | - "I2C_TXE#", "I2C_RXF#", "VBUS_SENSE", "BB_WR#", | |
| 3665 | - "BBRD#", "TIME_STAMP", "AWAKE#", | |
| 3666 | - }; | |
| 3667 | - fprintf(stdout,"DBUS has %d mA drive%s%s\n", | |
| 3668 | - (eeprom->group0_drive+1) *4, | |
| 3669 | - (eeprom->group0_schmitt)?" Schmitt Input":"", | |
| 3670 | - (eeprom->group0_slew)?" Slow Slew":""); | |
| 3671 | - fprintf(stdout,"CBUS has %d mA drive%s%s\n", | |
| 3672 | - (eeprom->group1_drive+1) *4, | |
| 3673 | - (eeprom->group1_schmitt)?" Schmitt Input":"", | |
| 3674 | - (eeprom->group1_slew)?" Slow Slew":""); | |
| 3675 | - for (i=0; i<4; i++) | |
| 3676 | - { | |
| 3677 | - if (eeprom->cbus_function[i]<= CBUSX_AWAKE) | |
| 3678 | - fprintf(stdout,"CBUS%d Function: %s\n", i, cbusx_mux[eeprom->cbus_function[i]]); | |
| 3679 | - } | |
| 3680 | - | |
| 3681 | - if (eeprom->invert) | |
| 3682 | - print_inverted_bits(eeprom->invert); | |
| 3683 | - } | |
| 3684 | - | |
| 3685 | - if (ftdi->type == TYPE_R) | |
| 3686 | - { | |
| 3687 | - char *cbus_mux[] = {"TXDEN","PWREN","RXLED", "TXLED","TX+RXLED", | |
| 3688 | - "SLEEP","CLK48","CLK24","CLK12","CLK6", | |
| 3689 | - "IOMODE","BB_WR","BB_RD" | |
| 3690 | - }; | |
| 3691 | - char *cbus_BB[] = {"RXF","TXE","RD", "WR"}; | |
| 3692 | - | |
| 3693 | - if (eeprom->invert) | |
| 3694 | - print_inverted_bits(eeprom->invert); | |
| 3695 | - | |
| 3696 | - for (i=0; i<5; i++) | |
| 3697 | - { | |
| 3698 | - if (eeprom->cbus_function[i]<=CBUS_BB_RD) | |
| 3699 | - fprintf(stdout,"C%d Function: %s\n", i, | |
| 3700 | - cbus_mux[eeprom->cbus_function[i]]); | |
| 3701 | - else | |
| 3702 | - { | |
| 3703 | - if (i < 4) | |
| 3704 | - /* Running MPROG show that C0..3 have fixed function Synchronous | |
| 3705 | - Bit Bang mode */ | |
| 3706 | - fprintf(stdout,"C%d BB Function: %s\n", i, | |
| 3707 | - cbus_BB[i]); | |
| 3708 | - else | |
| 3709 | - fprintf(stdout, "Unknown CBUS mode. Might be special mode?\n"); | |
| 3710 | - } | |
| 3711 | - } | |
| 3712 | - } | |
| 3713 | - } | |
| 3714 | - return 0; | |
| 3715 | -} | |
| 3716 | - | |
| 3717 | -/** | |
| 3718 | - Get a value from the decoded EEPROM structure | |
| 3719 | - | |
| 3720 | - \param ftdi pointer to ftdi_context | |
| 3721 | - \param value_name Enum of the value to query | |
| 3722 | - \param value Pointer to store read value | |
| 3723 | - | |
| 3724 | - \retval 0: all fine | |
| 3725 | - \retval -1: Value doesn't exist | |
| 3726 | -*/ | |
| 3727 | -int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int* value) | |
| 3728 | -{ | |
| 3729 | - switch (value_name) | |
| 3730 | - { | |
| 3731 | - case VENDOR_ID: | |
| 3732 | - *value = ftdi->eeprom->vendor_id; | |
| 3733 | - break; | |
| 3734 | - case PRODUCT_ID: | |
| 3735 | - *value = ftdi->eeprom->product_id; | |
| 3736 | - break; | |
| 3737 | - case RELEASE_NUMBER: | |
| 3738 | - *value = ftdi->eeprom->release_number; | |
| 3739 | - break; | |
| 3740 | - case SELF_POWERED: | |
| 3741 | - *value = ftdi->eeprom->self_powered; | |
| 3742 | - break; | |
| 3743 | - case REMOTE_WAKEUP: | |
| 3744 | - *value = ftdi->eeprom->remote_wakeup; | |
| 3745 | - break; | |
| 3746 | - case IS_NOT_PNP: | |
| 3747 | - *value = ftdi->eeprom->is_not_pnp; | |
| 3748 | - break; | |
| 3749 | - case SUSPEND_DBUS7: | |
| 3750 | - *value = ftdi->eeprom->suspend_dbus7; | |
| 3751 | - break; | |
| 3752 | - case IN_IS_ISOCHRONOUS: | |
| 3753 | - *value = ftdi->eeprom->in_is_isochronous; | |
| 3754 | - break; | |
| 3755 | - case OUT_IS_ISOCHRONOUS: | |
| 3756 | - *value = ftdi->eeprom->out_is_isochronous; | |
| 3757 | - break; | |
| 3758 | - case SUSPEND_PULL_DOWNS: | |
| 3759 | - *value = ftdi->eeprom->suspend_pull_downs; | |
| 3760 | - break; | |
| 3761 | - case USE_SERIAL: | |
| 3762 | - *value = ftdi->eeprom->use_serial; | |
| 3763 | - break; | |
| 3764 | - case USB_VERSION: | |
| 3765 | - *value = ftdi->eeprom->usb_version; | |
| 3766 | - break; | |
| 3767 | - case USE_USB_VERSION: | |
| 3768 | - *value = ftdi->eeprom->use_usb_version; | |
| 3769 | - break; | |
| 3770 | - case MAX_POWER: | |
| 3771 | - *value = ftdi->eeprom->max_power; | |
| 3772 | - break; | |
| 3773 | - case CHANNEL_A_TYPE: | |
| 3774 | - *value = ftdi->eeprom->channel_a_type; | |
| 3775 | - break; | |
| 3776 | - case CHANNEL_B_TYPE: | |
| 3777 | - *value = ftdi->eeprom->channel_b_type; | |
| 3778 | - break; | |
| 3779 | - case CHANNEL_A_DRIVER: | |
| 3780 | - *value = ftdi->eeprom->channel_a_driver; | |
| 3781 | - break; | |
| 3782 | - case CHANNEL_B_DRIVER: | |
| 3783 | - *value = ftdi->eeprom->channel_b_driver; | |
| 3784 | - break; | |
| 3785 | - case CHANNEL_C_DRIVER: | |
| 3786 | - *value = ftdi->eeprom->channel_c_driver; | |
| 3787 | - break; | |
| 3788 | - case CHANNEL_D_DRIVER: | |
| 3789 | - *value = ftdi->eeprom->channel_d_driver; | |
| 3790 | - break; | |
| 3791 | - case CHANNEL_A_RS485: | |
| 3792 | - *value = ftdi->eeprom->channel_a_rs485enable; | |
| 3793 | - break; | |
| 3794 | - case CHANNEL_B_RS485: | |
| 3795 | - *value = ftdi->eeprom->channel_b_rs485enable; | |
| 3796 | - break; | |
| 3797 | - case CHANNEL_C_RS485: | |
| 3798 | - *value = ftdi->eeprom->channel_c_rs485enable; | |
| 3799 | - break; | |
| 3800 | - case CHANNEL_D_RS485: | |
| 3801 | - *value = ftdi->eeprom->channel_d_rs485enable; | |
| 3802 | - break; | |
| 3803 | - case CBUS_FUNCTION_0: | |
| 3804 | - *value = ftdi->eeprom->cbus_function[0]; | |
| 3805 | - break; | |
| 3806 | - case CBUS_FUNCTION_1: | |
| 3807 | - *value = ftdi->eeprom->cbus_function[1]; | |
| 3808 | - break; | |
| 3809 | - case CBUS_FUNCTION_2: | |
| 3810 | - *value = ftdi->eeprom->cbus_function[2]; | |
| 3811 | - break; | |
| 3812 | - case CBUS_FUNCTION_3: | |
| 3813 | - *value = ftdi->eeprom->cbus_function[3]; | |
| 3814 | - break; | |
| 3815 | - case CBUS_FUNCTION_4: | |
| 3816 | - *value = ftdi->eeprom->cbus_function[4]; | |
| 3817 | - break; | |
| 3818 | - case CBUS_FUNCTION_5: | |
| 3819 | - *value = ftdi->eeprom->cbus_function[5]; | |
| 3820 | - break; | |
| 3821 | - case CBUS_FUNCTION_6: | |
| 3822 | - *value = ftdi->eeprom->cbus_function[6]; | |
| 3823 | - break; | |
| 3824 | - case CBUS_FUNCTION_7: | |
| 3825 | - *value = ftdi->eeprom->cbus_function[7]; | |
| 3826 | - break; | |
| 3827 | - case CBUS_FUNCTION_8: | |
| 3828 | - *value = ftdi->eeprom->cbus_function[8]; | |
| 3829 | - break; | |
| 3830 | - case CBUS_FUNCTION_9: | |
| 3831 | - *value = ftdi->eeprom->cbus_function[9]; | |
| 3832 | - break; | |
| 3833 | - case HIGH_CURRENT: | |
| 3834 | - *value = ftdi->eeprom->high_current; | |
| 3835 | - break; | |
| 3836 | - case HIGH_CURRENT_A: | |
| 3837 | - *value = ftdi->eeprom->high_current_a; | |
| 3838 | - break; | |
| 3839 | - case HIGH_CURRENT_B: | |
| 3840 | - *value = ftdi->eeprom->high_current_b; | |
| 3841 | - break; | |
| 3842 | - case INVERT: | |
| 3843 | - *value = ftdi->eeprom->invert; | |
| 3844 | - break; | |
| 3845 | - case GROUP0_DRIVE: | |
| 3846 | - *value = ftdi->eeprom->group0_drive; | |
| 3847 | - break; | |
| 3848 | - case GROUP0_SCHMITT: | |
| 3849 | - *value = ftdi->eeprom->group0_schmitt; | |
| 3850 | - break; | |
| 3851 | - case GROUP0_SLEW: | |
| 3852 | - *value = ftdi->eeprom->group0_slew; | |
| 3853 | - break; | |
| 3854 | - case GROUP1_DRIVE: | |
| 3855 | - *value = ftdi->eeprom->group1_drive; | |
| 3856 | - break; | |
| 3857 | - case GROUP1_SCHMITT: | |
| 3858 | - *value = ftdi->eeprom->group1_schmitt; | |
| 3859 | - break; | |
| 3860 | - case GROUP1_SLEW: | |
| 3861 | - *value = ftdi->eeprom->group1_slew; | |
| 3862 | - break; | |
| 3863 | - case GROUP2_DRIVE: | |
| 3864 | - *value = ftdi->eeprom->group2_drive; | |
| 3865 | - break; | |
| 3866 | - case GROUP2_SCHMITT: | |
| 3867 | - *value = ftdi->eeprom->group2_schmitt; | |
| 3868 | - break; | |
| 3869 | - case GROUP2_SLEW: | |
| 3870 | - *value = ftdi->eeprom->group2_slew; | |
| 3871 | - break; | |
| 3872 | - case GROUP3_DRIVE: | |
| 3873 | - *value = ftdi->eeprom->group3_drive; | |
| 3874 | - break; | |
| 3875 | - case GROUP3_SCHMITT: | |
| 3876 | - *value = ftdi->eeprom->group3_schmitt; | |
| 3877 | - break; | |
| 3878 | - case GROUP3_SLEW: | |
| 3879 | - *value = ftdi->eeprom->group3_slew; | |
| 3880 | - break; | |
| 3881 | - case POWER_SAVE: | |
| 3882 | - *value = ftdi->eeprom->powersave; | |
| 3883 | - break; | |
| 3884 | - case CLOCK_POLARITY: | |
| 3885 | - *value = ftdi->eeprom->clock_polarity; | |
| 3886 | - break; | |
| 3887 | - case DATA_ORDER: | |
| 3888 | - *value = ftdi->eeprom->data_order; | |
| 3889 | - break; | |
| 3890 | - case FLOW_CONTROL: | |
| 3891 | - *value = ftdi->eeprom->flow_control; | |
| 3892 | - break; | |
| 3893 | - case CHIP_TYPE: | |
| 3894 | - *value = ftdi->eeprom->chip; | |
| 3895 | - break; | |
| 3896 | - case CHIP_SIZE: | |
| 3897 | - *value = ftdi->eeprom->size; | |
| 3898 | - break; | |
| 3899 | - case EXTERNAL_OSCILLATOR: | |
| 3900 | - *value = ftdi->eeprom->external_oscillator; | |
| 3901 | - break; | |
| 3902 | - default: | |
| 3903 | - ftdi_error_return(-1, "Request for unknown EEPROM value"); | |
| 3904 | - } | |
| 3905 | - return 0; | |
| 3906 | -} | |
| 3907 | - | |
| 3908 | -/** | |
| 3909 | - Set a value in the decoded EEPROM Structure | |
| 3910 | - No parameter checking is performed | |
| 3911 | - | |
| 3912 | - \param ftdi pointer to ftdi_context | |
| 3913 | - \param value_name Enum of the value to set | |
| 3914 | - \param value to set | |
| 3915 | - | |
| 3916 | - \retval 0: all fine | |
| 3917 | - \retval -1: Value doesn't exist | |
| 3918 | - \retval -2: Value not user settable | |
| 3919 | -*/ | |
| 3920 | -int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int value) | |
| 3921 | -{ | |
| 3922 | - switch (value_name) | |
| 3923 | - { | |
| 3924 | - case VENDOR_ID: | |
| 3925 | - ftdi->eeprom->vendor_id = value; | |
| 3926 | - break; | |
| 3927 | - case PRODUCT_ID: | |
| 3928 | - ftdi->eeprom->product_id = value; | |
| 3929 | - break; | |
| 3930 | - case RELEASE_NUMBER: | |
| 3931 | - ftdi->eeprom->release_number = value; | |
| 3932 | - break; | |
| 3933 | - case SELF_POWERED: | |
| 3934 | - ftdi->eeprom->self_powered = value; | |
| 3935 | - break; | |
| 3936 | - case REMOTE_WAKEUP: | |
| 3937 | - ftdi->eeprom->remote_wakeup = value; | |
| 3938 | - break; | |
| 3939 | - case IS_NOT_PNP: | |
| 3940 | - ftdi->eeprom->is_not_pnp = value; | |
| 3941 | - break; | |
| 3942 | - case SUSPEND_DBUS7: | |
| 3943 | - ftdi->eeprom->suspend_dbus7 = value; | |
| 3944 | - break; | |
| 3945 | - case IN_IS_ISOCHRONOUS: | |
| 3946 | - ftdi->eeprom->in_is_isochronous = value; | |
| 3947 | - break; | |
| 3948 | - case OUT_IS_ISOCHRONOUS: | |
| 3949 | - ftdi->eeprom->out_is_isochronous = value; | |
| 3950 | - break; | |
| 3951 | - case SUSPEND_PULL_DOWNS: | |
| 3952 | - ftdi->eeprom->suspend_pull_downs = value; | |
| 3953 | - break; | |
| 3954 | - case USE_SERIAL: | |
| 3955 | - ftdi->eeprom->use_serial = value; | |
| 3956 | - break; | |
| 3957 | - case USB_VERSION: | |
| 3958 | - ftdi->eeprom->usb_version = value; | |
| 3959 | - break; | |
| 3960 | - case USE_USB_VERSION: | |
| 3961 | - ftdi->eeprom->use_usb_version = value; | |
| 3962 | - break; | |
| 3963 | - case MAX_POWER: | |
| 3964 | - ftdi->eeprom->max_power = value; | |
| 3965 | - break; | |
| 3966 | - case CHANNEL_A_TYPE: | |
| 3967 | - ftdi->eeprom->channel_a_type = value; | |
| 3968 | - break; | |
| 3969 | - case CHANNEL_B_TYPE: | |
| 3970 | - ftdi->eeprom->channel_b_type = value; | |
| 3971 | - break; | |
| 3972 | - case CHANNEL_A_DRIVER: | |
| 3973 | - ftdi->eeprom->channel_a_driver = value; | |
| 3974 | - break; | |
| 3975 | - case CHANNEL_B_DRIVER: | |
| 3976 | - ftdi->eeprom->channel_b_driver = value; | |
| 3977 | - break; | |
| 3978 | - case CHANNEL_C_DRIVER: | |
| 3979 | - ftdi->eeprom->channel_c_driver = value; | |
| 3980 | - break; | |
| 3981 | - case CHANNEL_D_DRIVER: | |
| 3982 | - ftdi->eeprom->channel_d_driver = value; | |
| 3983 | - break; | |
| 3984 | - case CHANNEL_A_RS485: | |
| 3985 | - ftdi->eeprom->channel_a_rs485enable = value; | |
| 3986 | - break; | |
| 3987 | - case CHANNEL_B_RS485: | |
| 3988 | - ftdi->eeprom->channel_b_rs485enable = value; | |
| 3989 | - break; | |
| 3990 | - case CHANNEL_C_RS485: | |
| 3991 | - ftdi->eeprom->channel_c_rs485enable = value; | |
| 3992 | - break; | |
| 3993 | - case CHANNEL_D_RS485: | |
| 3994 | - ftdi->eeprom->channel_d_rs485enable = value; | |
| 3995 | - break; | |
| 3996 | - case CBUS_FUNCTION_0: | |
| 3997 | - ftdi->eeprom->cbus_function[0] = value; | |
| 3998 | - break; | |
| 3999 | - case CBUS_FUNCTION_1: | |
| 4000 | - ftdi->eeprom->cbus_function[1] = value; | |
| 4001 | - break; | |
| 4002 | - case CBUS_FUNCTION_2: | |
| 4003 | - ftdi->eeprom->cbus_function[2] = value; | |
| 4004 | - break; | |
| 4005 | - case CBUS_FUNCTION_3: | |
| 4006 | - ftdi->eeprom->cbus_function[3] = value; | |
| 4007 | - break; | |
| 4008 | - case CBUS_FUNCTION_4: | |
| 4009 | - ftdi->eeprom->cbus_function[4] = value; | |
| 4010 | - break; | |
| 4011 | - case CBUS_FUNCTION_5: | |
| 4012 | - ftdi->eeprom->cbus_function[5] = value; | |
| 4013 | - break; | |
| 4014 | - case CBUS_FUNCTION_6: | |
| 4015 | - ftdi->eeprom->cbus_function[6] = value; | |
| 4016 | - break; | |
| 4017 | - case CBUS_FUNCTION_7: | |
| 4018 | - ftdi->eeprom->cbus_function[7] = value; | |
| 4019 | - break; | |
| 4020 | - case CBUS_FUNCTION_8: | |
| 4021 | - ftdi->eeprom->cbus_function[8] = value; | |
| 4022 | - break; | |
| 4023 | - case CBUS_FUNCTION_9: | |
| 4024 | - ftdi->eeprom->cbus_function[9] = value; | |
| 4025 | - break; | |
| 4026 | - case HIGH_CURRENT: | |
| 4027 | - ftdi->eeprom->high_current = value; | |
| 4028 | - break; | |
| 4029 | - case HIGH_CURRENT_A: | |
| 4030 | - ftdi->eeprom->high_current_a = value; | |
| 4031 | - break; | |
| 4032 | - case HIGH_CURRENT_B: | |
| 4033 | - ftdi->eeprom->high_current_b = value; | |
| 4034 | - break; | |
| 4035 | - case INVERT: | |
| 4036 | - ftdi->eeprom->invert = value; | |
| 4037 | - break; | |
| 4038 | - case GROUP0_DRIVE: | |
| 4039 | - ftdi->eeprom->group0_drive = value; | |
| 4040 | - break; | |
| 4041 | - case GROUP0_SCHMITT: | |
| 4042 | - ftdi->eeprom->group0_schmitt = value; | |
| 4043 | - break; | |
| 4044 | - case GROUP0_SLEW: | |
| 4045 | - ftdi->eeprom->group0_slew = value; | |
| 4046 | - break; | |
| 4047 | - case GROUP1_DRIVE: | |
| 4048 | - ftdi->eeprom->group1_drive = value; | |
| 4049 | - break; | |
| 4050 | - case GROUP1_SCHMITT: | |
| 4051 | - ftdi->eeprom->group1_schmitt = value; | |
| 4052 | - break; | |
| 4053 | - case GROUP1_SLEW: | |
| 4054 | - ftdi->eeprom->group1_slew = value; | |
| 4055 | - break; | |
| 4056 | - case GROUP2_DRIVE: | |
| 4057 | - ftdi->eeprom->group2_drive = value; | |
| 4058 | - break; | |
| 4059 | - case GROUP2_SCHMITT: | |
| 4060 | - ftdi->eeprom->group2_schmitt = value; | |
| 4061 | - break; | |
| 4062 | - case GROUP2_SLEW: | |
| 4063 | - ftdi->eeprom->group2_slew = value; | |
| 4064 | - break; | |
| 4065 | - case GROUP3_DRIVE: | |
| 4066 | - ftdi->eeprom->group3_drive = value; | |
| 4067 | - break; | |
| 4068 | - case GROUP3_SCHMITT: | |
| 4069 | - ftdi->eeprom->group3_schmitt = value; | |
| 4070 | - break; | |
| 4071 | - case GROUP3_SLEW: | |
| 4072 | - ftdi->eeprom->group3_slew = value; | |
| 4073 | - break; | |
| 4074 | - case CHIP_TYPE: | |
| 4075 | - ftdi->eeprom->chip = value; | |
| 4076 | - break; | |
| 4077 | - case POWER_SAVE: | |
| 4078 | - ftdi->eeprom->powersave = value; | |
| 4079 | - break; | |
| 4080 | - case CLOCK_POLARITY: | |
| 4081 | - ftdi->eeprom->clock_polarity = value; | |
| 4082 | - break; | |
| 4083 | - case DATA_ORDER: | |
| 4084 | - ftdi->eeprom->data_order = value; | |
| 4085 | - break; | |
| 4086 | - case FLOW_CONTROL: | |
| 4087 | - ftdi->eeprom->flow_control = value; | |
| 4088 | - break; | |
| 4089 | - case CHIP_SIZE: | |
| 4090 | - ftdi_error_return(-2, "EEPROM Value can't be changed"); | |
| 4091 | - break; | |
| 4092 | - case EXTERNAL_OSCILLATOR: | |
| 4093 | - ftdi->eeprom->external_oscillator = value; | |
| 4094 | - break; | |
| 4095 | - case USER_DATA_ADDR: | |
| 4096 | - ftdi->eeprom->user_data_addr = value; | |
| 4097 | - break; | |
| 4098 | - | |
| 4099 | - default : | |
| 4100 | - ftdi_error_return(-1, "Request to unknown EEPROM value"); | |
| 4101 | - } | |
| 4102 | - ftdi->eeprom->initialized_for_connected_device = 0; | |
| 4103 | - return 0; | |
| 4104 | -} | |
| 4105 | - | |
| 4106 | -/** Get the read-only buffer to the binary EEPROM content | |
| 4107 | - | |
| 4108 | - \param ftdi pointer to ftdi_context | |
| 4109 | - \param buf buffer to receive EEPROM content | |
| 4110 | - \param size Size of receiving buffer | |
| 4111 | - | |
| 4112 | - \retval 0: All fine | |
| 4113 | - \retval -1: struct ftdi_contxt or ftdi_eeprom missing | |
| 4114 | - \retval -2: Not enough room to store eeprom | |
| 4115 | -*/ | |
| 4116 | -int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, int size) | |
| 4117 | -{ | |
| 4118 | - if (!ftdi || !(ftdi->eeprom)) | |
| 4119 | - ftdi_error_return(-1, "No appropriate structure"); | |
| 4120 | - | |
| 4121 | - if (!buf || size < ftdi->eeprom->size) | |
| 4122 | - ftdi_error_return(-1, "Not enough room to store eeprom"); | |
| 4123 | - | |
| 4124 | - // Only copy up to FTDI_MAX_EEPROM_SIZE bytes | |
| 4125 | - if (size > FTDI_MAX_EEPROM_SIZE) | |
| 4126 | - size = FTDI_MAX_EEPROM_SIZE; | |
| 4127 | - | |
| 4128 | - memcpy(buf, ftdi->eeprom->buf, size); | |
| 4129 | - | |
| 4130 | - return 0; | |
| 4131 | -} | |
| 4132 | - | |
| 4133 | -/** Set the EEPROM content from the user-supplied prefilled buffer | |
| 4134 | - | |
| 4135 | - \param ftdi pointer to ftdi_context | |
| 4136 | - \param buf buffer to read EEPROM content | |
| 4137 | - \param size Size of buffer | |
| 4138 | - | |
| 4139 | - \retval 0: All fine | |
| 4140 | - \retval -1: struct ftdi_context or ftdi_eeprom or buf missing | |
| 4141 | -*/ | |
| 4142 | -int ftdi_set_eeprom_buf(struct ftdi_context *ftdi, const unsigned char * buf, int size) | |
| 4143 | -{ | |
| 4144 | - if (!ftdi || !(ftdi->eeprom) || !buf) | |
| 4145 | - ftdi_error_return(-1, "No appropriate structure"); | |
| 4146 | - | |
| 4147 | - // Only copy up to FTDI_MAX_EEPROM_SIZE bytes | |
| 4148 | - if (size > FTDI_MAX_EEPROM_SIZE) | |
| 4149 | - size = FTDI_MAX_EEPROM_SIZE; | |
| 4150 | - | |
| 4151 | - memcpy(ftdi->eeprom->buf, buf, size); | |
| 4152 | - | |
| 4153 | - return 0; | |
| 4154 | -} | |
| 4155 | - | |
| 4156 | -/** Set the EEPROM user data content from the user-supplied prefilled buffer | |
| 4157 | - | |
| 4158 | - \param ftdi pointer to ftdi_context | |
| 4159 | - \param buf buffer to read EEPROM user data content | |
| 4160 | - \param size Size of buffer | |
| 4161 | - | |
| 4162 | - \retval 0: All fine | |
| 4163 | - \retval -1: struct ftdi_context or ftdi_eeprom or buf missing | |
| 4164 | -*/ | |
| 4165 | -int ftdi_set_eeprom_user_data(struct ftdi_context *ftdi, const char * buf, int size) | |
| 4166 | -{ | |
| 4167 | - if (!ftdi || !(ftdi->eeprom) || !buf) | |
| 4168 | - ftdi_error_return(-1, "No appropriate structure"); | |
| 4169 | - | |
| 4170 | - ftdi->eeprom->user_data_size = size; | |
| 4171 | - ftdi->eeprom->user_data = buf; | |
| 4172 | - return 0; | |
| 4173 | -} | |
| 4174 | - | |
| 4175 | -/** | |
| 4176 | - Read eeprom location | |
| 4177 | - | |
| 4178 | - \param ftdi pointer to ftdi_context | |
| 4179 | - \param eeprom_addr Address of eeprom location to be read | |
| 4180 | - \param eeprom_val Pointer to store read eeprom location | |
| 4181 | - | |
| 4182 | - \retval 0: all fine | |
| 4183 | - \retval -1: read failed | |
| 4184 | - \retval -2: USB device unavailable | |
| 4185 | -*/ | |
| 4186 | -int ftdi_read_eeprom_location (struct ftdi_context *ftdi, int eeprom_addr, unsigned short *eeprom_val) | |
| 4187 | -{ | |
| 4188 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 4189 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 4190 | - | |
| 4191 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, eeprom_addr, (unsigned char *)eeprom_val, 2, ftdi->usb_read_timeout) != 2) | |
| 4192 | - ftdi_error_return(-1, "reading eeprom failed"); | |
| 4193 | - | |
| 4194 | - return 0; | |
| 4195 | -} | |
| 4196 | - | |
| 4197 | -/** | |
| 4198 | - Read eeprom | |
| 4199 | - | |
| 4200 | - \param ftdi pointer to ftdi_context | |
| 4201 | - | |
| 4202 | - \retval 0: all fine | |
| 4203 | - \retval -1: read failed | |
| 4204 | - \retval -2: USB device unavailable | |
| 4205 | -*/ | |
| 4206 | -int ftdi_read_eeprom(struct ftdi_context *ftdi) | |
| 4207 | -{ | |
| 4208 | - int i; | |
| 4209 | - unsigned char *buf; | |
| 4210 | - | |
| 4211 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 4212 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 4213 | - buf = ftdi->eeprom->buf; | |
| 4214 | - | |
| 4215 | - for (i = 0; i < FTDI_MAX_EEPROM_SIZE/2; i++) | |
| 4216 | - { | |
| 4217 | - if (libusb_control_transfer( | |
| 4218 | - ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE,SIO_READ_EEPROM_REQUEST, 0, i, | |
| 4219 | - buf+(i*2), 2, ftdi->usb_read_timeout) != 2) | |
| 4220 | - ftdi_error_return(-1, "reading eeprom failed"); | |
| 4221 | - } | |
| 4222 | - | |
| 4223 | - if (ftdi->type == TYPE_R) | |
| 4224 | - ftdi->eeprom->size = 0x80; | |
| 4225 | - /* Guesses size of eeprom by comparing halves | |
| 4226 | - - will not work with blank eeprom */ | |
| 4227 | - else if (strrchr((const char *)buf, 0xff) == ((const char *)buf +FTDI_MAX_EEPROM_SIZE -1)) | |
| 4228 | - ftdi->eeprom->size = -1; | |
| 4229 | - else if (memcmp(buf,&buf[0x80],0x80) == 0) | |
| 4230 | - ftdi->eeprom->size = 0x80; | |
| 4231 | - else if (memcmp(buf,&buf[0x40],0x40) == 0) | |
| 4232 | - ftdi->eeprom->size = 0x40; | |
| 4233 | - else | |
| 4234 | - ftdi->eeprom->size = 0x100; | |
| 4235 | - return 0; | |
| 4236 | -} | |
| 4237 | - | |
| 4238 | -/* | |
| 4239 | - ftdi_read_chipid_shift does the bitshift operation needed for the FTDIChip-ID | |
| 4240 | - Function is only used internally | |
| 4241 | - \internal | |
| 4242 | -*/ | |
| 4243 | -static unsigned char ftdi_read_chipid_shift(unsigned char value) | |
| 4244 | -{ | |
| 4245 | - return ((value & 1) << 1) | | |
| 4246 | - ((value & 2) << 5) | | |
| 4247 | - ((value & 4) >> 2) | | |
| 4248 | - ((value & 8) << 4) | | |
| 4249 | - ((value & 16) >> 1) | | |
| 4250 | - ((value & 32) >> 1) | | |
| 4251 | - ((value & 64) >> 4) | | |
| 4252 | - ((value & 128) >> 2); | |
| 4253 | -} | |
| 4254 | - | |
| 4255 | -/** | |
| 4256 | - Read the FTDIChip-ID from R-type devices | |
| 4257 | - | |
| 4258 | - \param ftdi pointer to ftdi_context | |
| 4259 | - \param chipid Pointer to store FTDIChip-ID | |
| 4260 | - | |
| 4261 | - \retval 0: all fine | |
| 4262 | - \retval -1: read failed | |
| 4263 | - \retval -2: USB device unavailable | |
| 4264 | -*/ | |
| 4265 | -int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid) | |
| 4266 | -{ | |
| 4267 | - unsigned int a = 0, b = 0; | |
| 4268 | - | |
| 4269 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 4270 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 4271 | - | |
| 4272 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, 0x43, (unsigned char *)&a, 2, ftdi->usb_read_timeout) == 2) | |
| 4273 | - { | |
| 4274 | - a = a << 8 | a >> 8; | |
| 4275 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_READ_EEPROM_REQUEST, 0, 0x44, (unsigned char *)&b, 2, ftdi->usb_read_timeout) == 2) | |
| 4276 | - { | |
| 4277 | - b = b << 8 | b >> 8; | |
| 4278 | - a = (a << 16) | (b & 0xFFFF); | |
| 4279 | - a = ftdi_read_chipid_shift(a) | ftdi_read_chipid_shift(a>>8)<<8 | |
| 4280 | - | ftdi_read_chipid_shift(a>>16)<<16 | ftdi_read_chipid_shift(a>>24)<<24; | |
| 4281 | - *chipid = a ^ 0xa5f0f7d1; | |
| 4282 | - return 0; | |
| 4283 | - } | |
| 4284 | - } | |
| 4285 | - | |
| 4286 | - ftdi_error_return(-1, "read of FTDIChip-ID failed"); | |
| 4287 | -} | |
| 4288 | - | |
| 4289 | -/** | |
| 4290 | - Write eeprom location | |
| 4291 | - | |
| 4292 | - \param ftdi pointer to ftdi_context | |
| 4293 | - \param eeprom_addr Address of eeprom location to be written | |
| 4294 | - \param eeprom_val Value to be written | |
| 4295 | - | |
| 4296 | - \retval 0: all fine | |
| 4297 | - \retval -1: write failed | |
| 4298 | - \retval -2: USB device unavailable | |
| 4299 | - \retval -3: Invalid access to checksum protected area below 0x80 | |
| 4300 | - \retval -4: Device can't access unprotected area | |
| 4301 | - \retval -5: Reading chip type failed | |
| 4302 | -*/ | |
| 4303 | -int ftdi_write_eeprom_location(struct ftdi_context *ftdi, int eeprom_addr, | |
| 4304 | - unsigned short eeprom_val) | |
| 4305 | -{ | |
| 4306 | - int chip_type_location; | |
| 4307 | - unsigned short chip_type; | |
| 4308 | - | |
| 4309 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 4310 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 4311 | - | |
| 4312 | - if (eeprom_addr <0x80) | |
| 4313 | - ftdi_error_return(-2, "Invalid access to checksum protected area below 0x80"); | |
| 4314 | - | |
| 4315 | - | |
| 4316 | - switch (ftdi->type) | |
| 4317 | - { | |
| 4318 | - case TYPE_BM: | |
| 4319 | - case TYPE_2232C: | |
| 4320 | - chip_type_location = 0x14; | |
| 4321 | - break; | |
| 4322 | - case TYPE_2232H: | |
| 4323 | - case TYPE_4232H: | |
| 4324 | - chip_type_location = 0x18; | |
| 4325 | - break; | |
| 4326 | - case TYPE_232H: | |
| 4327 | - chip_type_location = 0x1e; | |
| 4328 | - break; | |
| 4329 | - default: | |
| 4330 | - ftdi_error_return(-4, "Device can't access unprotected area"); | |
| 4331 | - } | |
| 4332 | - | |
| 4333 | - if (ftdi_read_eeprom_location( ftdi, chip_type_location>>1, &chip_type)) | |
| 4334 | - ftdi_error_return(-5, "Reading failed"); | |
| 4335 | - fprintf(stderr," loc 0x%04x val 0x%04x\n", chip_type_location,chip_type); | |
| 4336 | - if ((chip_type & 0xff) != 0x66) | |
| 4337 | - { | |
| 4338 | - ftdi_error_return(-6, "EEPROM is not of 93x66"); | |
| 4339 | - } | |
| 4340 | - | |
| 4341 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 4342 | - SIO_WRITE_EEPROM_REQUEST, eeprom_val, eeprom_addr, | |
| 4343 | - NULL, 0, ftdi->usb_write_timeout) != 0) | |
| 4344 | - ftdi_error_return(-1, "unable to write eeprom"); | |
| 4345 | - | |
| 4346 | - return 0; | |
| 4347 | -} | |
| 4348 | - | |
| 4349 | -/** | |
| 4350 | - Write eeprom | |
| 4351 | - | |
| 4352 | - \param ftdi pointer to ftdi_context | |
| 4353 | - | |
| 4354 | - \retval 0: all fine | |
| 4355 | - \retval -1: read failed | |
| 4356 | - \retval -2: USB device unavailable | |
| 4357 | - \retval -3: EEPROM not initialized for the connected device; | |
| 4358 | -*/ | |
| 4359 | -int ftdi_write_eeprom(struct ftdi_context *ftdi) | |
| 4360 | -{ | |
| 4361 | - unsigned short usb_val, status; | |
| 4362 | - int i, ret; | |
| 4363 | - unsigned char *eeprom; | |
| 4364 | - | |
| 4365 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 4366 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 4367 | - | |
| 4368 | - if(ftdi->eeprom->initialized_for_connected_device == 0) | |
| 4369 | - ftdi_error_return(-3, "EEPROM not initialized for the connected device"); | |
| 4370 | - | |
| 4371 | - eeprom = ftdi->eeprom->buf; | |
| 4372 | - | |
| 4373 | - /* These commands were traced while running MProg */ | |
| 4374 | - if ((ret = ftdi_usb_reset(ftdi)) != 0) | |
| 4375 | - return ret; | |
| 4376 | - if ((ret = ftdi_poll_modem_status(ftdi, &status)) != 0) | |
| 4377 | - return ret; | |
| 4378 | - if ((ret = ftdi_set_latency_timer(ftdi, 0x77)) != 0) | |
| 4379 | - return ret; | |
| 4380 | - | |
| 4381 | - for (i = 0; i < ftdi->eeprom->size/2; i++) | |
| 4382 | - { | |
| 4383 | - /* Do not try to write to reserved area */ | |
| 4384 | - if ((ftdi->type == TYPE_230X) && (i == 0x40)) | |
| 4385 | - { | |
| 4386 | - i = 0x50; | |
| 4387 | - } | |
| 4388 | - usb_val = eeprom[i*2]; | |
| 4389 | - usb_val += eeprom[(i*2)+1] << 8; | |
| 4390 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 4391 | - SIO_WRITE_EEPROM_REQUEST, usb_val, i, | |
| 4392 | - NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 4393 | - ftdi_error_return(-1, "unable to write eeprom"); | |
| 4394 | - } | |
| 4395 | - | |
| 4396 | - return 0; | |
| 4397 | -} | |
| 4398 | - | |
| 4399 | -/** | |
| 4400 | - Erase eeprom | |
| 4401 | - | |
| 4402 | - This is not supported on FT232R/FT245R according to the MProg manual from FTDI. | |
| 4403 | - | |
| 4404 | - \param ftdi pointer to ftdi_context | |
| 4405 | - | |
| 4406 | - \retval 0: all fine | |
| 4407 | - \retval -1: erase failed | |
| 4408 | - \retval -2: USB device unavailable | |
| 4409 | - \retval -3: Writing magic failed | |
| 4410 | - \retval -4: Read EEPROM failed | |
| 4411 | - \retval -5: Unexpected EEPROM value | |
| 4412 | -*/ | |
| 4413 | -#define MAGIC 0x55aa | |
| 4414 | -int ftdi_erase_eeprom(struct ftdi_context *ftdi) | |
| 4415 | -{ | |
| 4416 | - unsigned short eeprom_value; | |
| 4417 | - if (ftdi == NULL || ftdi->usb_dev == NULL) | |
| 4418 | - ftdi_error_return(-2, "USB device unavailable"); | |
| 4419 | - | |
| 4420 | - if ((ftdi->type == TYPE_R) || (ftdi->type == TYPE_230X)) | |
| 4421 | - { | |
| 4422 | - ftdi->eeprom->chip = 0; | |
| 4423 | - return 0; | |
| 4424 | - } | |
| 4425 | - | |
| 4426 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_ERASE_EEPROM_REQUEST, | |
| 4427 | - 0, 0, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 4428 | - ftdi_error_return(-1, "unable to erase eeprom"); | |
| 4429 | - | |
| 4430 | - | |
| 4431 | - /* detect chip type by writing 0x55AA as magic at word position 0xc0 | |
| 4432 | - Chip is 93x46 if magic is read at word position 0x00, as wraparound happens around 0x40 | |
| 4433 | - Chip is 93x56 if magic is read at word position 0x40, as wraparound happens around 0x80 | |
| 4434 | - Chip is 93x66 if magic is only read at word position 0xc0*/ | |
| 4435 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, | |
| 4436 | - SIO_WRITE_EEPROM_REQUEST, MAGIC, 0xc0, | |
| 4437 | - NULL, 0, ftdi->usb_write_timeout) != 0) | |
| 4438 | - ftdi_error_return(-3, "Writing magic failed"); | |
| 4439 | - if (ftdi_read_eeprom_location( ftdi, 0x00, &eeprom_value)) | |
| 4440 | - ftdi_error_return(-4, "Reading failed"); | |
| 4441 | - if (eeprom_value == MAGIC) | |
| 4442 | - { | |
| 4443 | - ftdi->eeprom->chip = 0x46; | |
| 4444 | - } | |
| 4445 | - else | |
| 4446 | - { | |
| 4447 | - if (ftdi_read_eeprom_location( ftdi, 0x40, &eeprom_value)) | |
| 4448 | - ftdi_error_return(-4, "Reading failed"); | |
| 4449 | - if (eeprom_value == MAGIC) | |
| 4450 | - ftdi->eeprom->chip = 0x56; | |
| 4451 | - else | |
| 4452 | - { | |
| 4453 | - if (ftdi_read_eeprom_location( ftdi, 0xc0, &eeprom_value)) | |
| 4454 | - ftdi_error_return(-4, "Reading failed"); | |
| 4455 | - if (eeprom_value == MAGIC) | |
| 4456 | - ftdi->eeprom->chip = 0x66; | |
| 4457 | - else | |
| 4458 | - { | |
| 4459 | - ftdi->eeprom->chip = -1; | |
| 4460 | - } | |
| 4461 | - } | |
| 4462 | - } | |
| 4463 | - if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_ERASE_EEPROM_REQUEST, | |
| 4464 | - 0, 0, NULL, 0, ftdi->usb_write_timeout) < 0) | |
| 4465 | - ftdi_error_return(-1, "unable to erase eeprom"); | |
| 4466 | - return 0; | |
| 4467 | -} | |
| 4468 | - | |
| 4469 | -/** | |
| 4470 | - Get string representation for last error code | |
| 4471 | - | |
| 4472 | - \param ftdi pointer to ftdi_context | |
| 4473 | - | |
| 4474 | - \retval Pointer to error string | |
| 4475 | -*/ | |
| 4476 | -char *ftdi_get_error_string (struct ftdi_context *ftdi) | |
| 4477 | -{ | |
| 4478 | - if (ftdi == NULL) | |
| 4479 | - return ""; | |
| 4480 | - | |
| 4481 | - return ftdi->error_str; | |
| 4482 | -} | |
| 4483 | - | |
| 4484 | -/* @} end of doxygen libftdi group */ |
| @@ -1,577 +0,0 @@ | ||
| 1 | -/*************************************************************************** | |
| 2 | - ftdi.h - description | |
| 3 | - ------------------- | |
| 4 | - begin : Fri Apr 4 2003 | |
| 5 | - copyright : (C) 2003-2014 by Intra2net AG and the libftdi developers | |
| 6 | - email : opensource@intra2net.com | |
| 7 | - ***************************************************************************/ | |
| 8 | - | |
| 9 | -/*************************************************************************** | |
| 10 | - * * | |
| 11 | - * This program is free software; you can redistribute it and/or modify * | |
| 12 | - * it under the terms of the GNU Lesser General Public License * | |
| 13 | - * version 2.1 as published by the Free Software Foundation; * | |
| 14 | - * * | |
| 15 | - ***************************************************************************/ | |
| 16 | - | |
| 17 | -#ifndef __libftdi_h__ | |
| 18 | -#define __libftdi_h__ | |
| 19 | - | |
| 20 | -#include <stdint.h> | |
| 21 | -//#include <sys/time.h> | |
| 22 | - | |
| 23 | -/* 'interface' might be defined as a macro on Windows, so we need to | |
| 24 | - * undefine it so as not to break the current libftdi API, because | |
| 25 | - * struct ftdi_context has an 'interface' member | |
| 26 | - * As this can be problematic if you include windows.h after ftdi.h | |
| 27 | - * in your sources, we force windows.h to be included first. */ | |
| 28 | -#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) | |
| 29 | -#include <windows.h> | |
| 30 | -#if defined(interface) | |
| 31 | -#undef interface | |
| 32 | -#endif | |
| 33 | -#endif | |
| 34 | - | |
| 35 | -/** FTDI chip type */ | |
| 36 | -enum ftdi_chip_type | |
| 37 | -{ | |
| 38 | - TYPE_AM=0, | |
| 39 | - TYPE_BM=1, | |
| 40 | - TYPE_2232C=2, | |
| 41 | - TYPE_R=3, | |
| 42 | - TYPE_2232H=4, | |
| 43 | - TYPE_4232H=5, | |
| 44 | - TYPE_232H=6, | |
| 45 | - TYPE_230X=7, | |
| 46 | -}; | |
| 47 | -/** Parity mode for ftdi_set_line_property() */ | |
| 48 | -enum ftdi_parity_type { NONE=0, ODD=1, EVEN=2, MARK=3, SPACE=4 }; | |
| 49 | -/** Number of stop bits for ftdi_set_line_property() */ | |
| 50 | -enum ftdi_stopbits_type { STOP_BIT_1=0, STOP_BIT_15=1, STOP_BIT_2=2 }; | |
| 51 | -/** Number of bits for ftdi_set_line_property() */ | |
| 52 | -enum ftdi_bits_type { BITS_7=7, BITS_8=8 }; | |
| 53 | -/** Break type for ftdi_set_line_property2() */ | |
| 54 | -enum ftdi_break_type { BREAK_OFF=0, BREAK_ON=1 }; | |
| 55 | - | |
| 56 | -/** MPSSE bitbang modes */ | |
| 57 | -enum ftdi_mpsse_mode | |
| 58 | -{ | |
| 59 | - BITMODE_RESET = 0x00, /**< switch off bitbang mode, back to regular serial/FIFO */ | |
| 60 | - BITMODE_BITBANG= 0x01, /**< classical asynchronous bitbang mode, introduced with B-type chips */ | |
| 61 | - BITMODE_MPSSE = 0x02, /**< MPSSE mode, available on 2232x chips */ | |
| 62 | - BITMODE_SYNCBB = 0x04, /**< synchronous bitbang mode, available on 2232x and R-type chips */ | |
| 63 | - BITMODE_MCU = 0x08, /**< MCU Host Bus Emulation mode, available on 2232x chips */ | |
| 64 | - /* CPU-style fifo mode gets set via EEPROM */ | |
| 65 | - BITMODE_OPTO = 0x10, /**< Fast Opto-Isolated Serial Interface Mode, available on 2232x chips */ | |
| 66 | - BITMODE_CBUS = 0x20, /**< Bitbang on CBUS pins of R-type chips, configure in EEPROM before */ | |
| 67 | - BITMODE_SYNCFF = 0x40, /**< Single Channel Synchronous FIFO mode, available on 2232H chips */ | |
| 68 | - BITMODE_FT1284 = 0x80, /**< FT1284 mode, available on 232H chips */ | |
| 69 | -}; | |
| 70 | - | |
| 71 | -/** Port interface for chips with multiple interfaces */ | |
| 72 | -enum ftdi_interface | |
| 73 | -{ | |
| 74 | - INTERFACE_ANY = 0, | |
| 75 | - INTERFACE_A = 1, | |
| 76 | - INTERFACE_B = 2, | |
| 77 | - INTERFACE_C = 3, | |
| 78 | - INTERFACE_D = 4 | |
| 79 | -}; | |
| 80 | - | |
| 81 | -/** Automatic loading / unloading of kernel modules */ | |
| 82 | -enum ftdi_module_detach_mode | |
| 83 | -{ | |
| 84 | - AUTO_DETACH_SIO_MODULE = 0, | |
| 85 | - DONT_DETACH_SIO_MODULE = 1 | |
| 86 | -}; | |
| 87 | - | |
| 88 | -/* Shifting commands IN MPSSE Mode*/ | |
| 89 | -#define MPSSE_WRITE_NEG 0x01 /* Write TDI/DO on negative TCK/SK edge*/ | |
| 90 | -#define MPSSE_BITMODE 0x02 /* Write bits, not bytes */ | |
| 91 | -#define MPSSE_READ_NEG 0x04 /* Sample TDO/DI on negative TCK/SK edge */ | |
| 92 | -#define MPSSE_LSB 0x08 /* LSB first */ | |
| 93 | -#define MPSSE_DO_WRITE 0x10 /* Write TDI/DO */ | |
| 94 | -#define MPSSE_DO_READ 0x20 /* Read TDO/DI */ | |
| 95 | -#define MPSSE_WRITE_TMS 0x40 /* Write TMS/CS */ | |
| 96 | - | |
| 97 | -/* FTDI MPSSE commands */ | |
| 98 | -#define SET_BITS_LOW 0x80 | |
| 99 | -/*BYTE DATA*/ | |
| 100 | -/*BYTE Direction*/ | |
| 101 | -#define SET_BITS_HIGH 0x82 | |
| 102 | -/*BYTE DATA*/ | |
| 103 | -/*BYTE Direction*/ | |
| 104 | -#define GET_BITS_LOW 0x81 | |
| 105 | -#define GET_BITS_HIGH 0x83 | |
| 106 | -#define LOOPBACK_START 0x84 | |
| 107 | -#define LOOPBACK_END 0x85 | |
| 108 | -#define TCK_DIVISOR 0x86 | |
| 109 | -/* H Type specific commands */ | |
| 110 | -#define DIS_DIV_5 0x8a | |
| 111 | -#define EN_DIV_5 0x8b | |
| 112 | -#define EN_3_PHASE 0x8c | |
| 113 | -#define DIS_3_PHASE 0x8d | |
| 114 | -#define CLK_BITS 0x8e | |
| 115 | -#define CLK_BYTES 0x8f | |
| 116 | -#define CLK_WAIT_HIGH 0x94 | |
| 117 | -#define CLK_WAIT_LOW 0x95 | |
| 118 | -#define EN_ADAPTIVE 0x96 | |
| 119 | -#define DIS_ADAPTIVE 0x97 | |
| 120 | -#define CLK_BYTES_OR_HIGH 0x9c | |
| 121 | -#define CLK_BYTES_OR_LOW 0x9d | |
| 122 | -/*FT232H specific commands */ | |
| 123 | -#define DRIVE_OPEN_COLLECTOR 0x9e | |
| 124 | -/* Value Low */ | |
| 125 | -/* Value HIGH */ /*rate is 12000000/((1+value)*2) */ | |
| 126 | -#define DIV_VALUE(rate) (rate > 6000000)?0:((6000000/rate -1) > 0xffff)? 0xffff: (6000000/rate -1) | |
| 127 | - | |
| 128 | -/* Commands in MPSSE and Host Emulation Mode */ | |
| 129 | -#define SEND_IMMEDIATE 0x87 | |
| 130 | -#define WAIT_ON_HIGH 0x88 | |
| 131 | -#define WAIT_ON_LOW 0x89 | |
| 132 | - | |
| 133 | -/* Commands in Host Emulation Mode */ | |
| 134 | -#define READ_SHORT 0x90 | |
| 135 | -/* Address_Low */ | |
| 136 | -#define READ_EXTENDED 0x91 | |
| 137 | -/* Address High */ | |
| 138 | -/* Address Low */ | |
| 139 | -#define WRITE_SHORT 0x92 | |
| 140 | -/* Address_Low */ | |
| 141 | -#define WRITE_EXTENDED 0x93 | |
| 142 | -/* Address High */ | |
| 143 | -/* Address Low */ | |
| 144 | - | |
| 145 | -/* Definitions for flow control */ | |
| 146 | -#define SIO_RESET 0 /* Reset the port */ | |
| 147 | -#define SIO_MODEM_CTRL 1 /* Set the modem control register */ | |
| 148 | -#define SIO_SET_FLOW_CTRL 2 /* Set flow control register */ | |
| 149 | -#define SIO_SET_BAUD_RATE 3 /* Set baud rate */ | |
| 150 | -#define SIO_SET_DATA 4 /* Set the data characteristics of the port */ | |
| 151 | - | |
| 152 | -#define FTDI_DEVICE_OUT_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_OUT) | |
| 153 | -#define FTDI_DEVICE_IN_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_IN) | |
| 154 | - | |
| 155 | -/* Requests */ | |
| 156 | -#define SIO_RESET_REQUEST SIO_RESET | |
| 157 | -#define SIO_SET_BAUDRATE_REQUEST SIO_SET_BAUD_RATE | |
| 158 | -#define SIO_SET_DATA_REQUEST SIO_SET_DATA | |
| 159 | -#define SIO_SET_FLOW_CTRL_REQUEST SIO_SET_FLOW_CTRL | |
| 160 | -#define SIO_SET_MODEM_CTRL_REQUEST SIO_MODEM_CTRL | |
| 161 | -#define SIO_POLL_MODEM_STATUS_REQUEST 0x05 | |
| 162 | -#define SIO_SET_EVENT_CHAR_REQUEST 0x06 | |
| 163 | -#define SIO_SET_ERROR_CHAR_REQUEST 0x07 | |
| 164 | -#define SIO_SET_LATENCY_TIMER_REQUEST 0x09 | |
| 165 | -#define SIO_GET_LATENCY_TIMER_REQUEST 0x0A | |
| 166 | -#define SIO_SET_BITMODE_REQUEST 0x0B | |
| 167 | -#define SIO_READ_PINS_REQUEST 0x0C | |
| 168 | -#define SIO_READ_EEPROM_REQUEST 0x90 | |
| 169 | -#define SIO_WRITE_EEPROM_REQUEST 0x91 | |
| 170 | -#define SIO_ERASE_EEPROM_REQUEST 0x92 | |
| 171 | - | |
| 172 | - | |
| 173 | -#define SIO_RESET_SIO 0 | |
| 174 | -#define SIO_RESET_PURGE_RX 1 | |
| 175 | -#define SIO_RESET_PURGE_TX 2 | |
| 176 | - | |
| 177 | -#define SIO_DISABLE_FLOW_CTRL 0x0 | |
| 178 | -#define SIO_RTS_CTS_HS (0x1 << 8) | |
| 179 | -#define SIO_DTR_DSR_HS (0x2 << 8) | |
| 180 | -#define SIO_XON_XOFF_HS (0x4 << 8) | |
| 181 | - | |
| 182 | -#define SIO_SET_DTR_MASK 0x1 | |
| 183 | -#define SIO_SET_DTR_HIGH ( 1 | ( SIO_SET_DTR_MASK << 8)) | |
| 184 | -#define SIO_SET_DTR_LOW ( 0 | ( SIO_SET_DTR_MASK << 8)) | |
| 185 | -#define SIO_SET_RTS_MASK 0x2 | |
| 186 | -#define SIO_SET_RTS_HIGH ( 2 | ( SIO_SET_RTS_MASK << 8 )) | |
| 187 | -#define SIO_SET_RTS_LOW ( 0 | ( SIO_SET_RTS_MASK << 8 )) | |
| 188 | - | |
| 189 | -#define SIO_RTS_CTS_HS (0x1 << 8) | |
| 190 | - | |
| 191 | -/* marker for unused usb urb structures | |
| 192 | - (taken from libusb) */ | |
| 193 | -#define FTDI_URB_USERCONTEXT_COOKIE ((void *)0x1) | |
| 194 | - | |
| 195 | -#ifdef __GNUC__ | |
| 196 | -#define DEPRECATED(func) func __attribute__ ((deprecated)) | |
| 197 | -#elif defined(_MSC_VER) | |
| 198 | -#define DEPRECATED(func) __declspec(deprecated) func | |
| 199 | -#else | |
| 200 | -#pragma message("WARNING: You need to implement DEPRECATED for this compiler") | |
| 201 | -#define DEPRECATED(func) func | |
| 202 | -#endif | |
| 203 | - | |
| 204 | -struct ftdi_transfer_control | |
| 205 | -{ | |
| 206 | - int completed; | |
| 207 | - unsigned char *buf; | |
| 208 | - int size; | |
| 209 | - int offset; | |
| 210 | - struct ftdi_context *ftdi; | |
| 211 | - struct libusb_transfer *transfer; | |
| 212 | -}; | |
| 213 | - | |
| 214 | -/** | |
| 215 | - \brief Main context structure for all libftdi functions. | |
| 216 | - | |
| 217 | - Do not access directly if possible. | |
| 218 | -*/ | |
| 219 | -struct ftdi_context | |
| 220 | -{ | |
| 221 | - /* USB specific */ | |
| 222 | - /** libusb's context */ | |
| 223 | - struct libusb_context *usb_ctx; | |
| 224 | - /** libusb's usb_dev_handle */ | |
| 225 | - struct libusb_device_handle *usb_dev; | |
| 226 | - /** usb read timeout */ | |
| 227 | - int usb_read_timeout; | |
| 228 | - /** usb write timeout */ | |
| 229 | - int usb_write_timeout; | |
| 230 | - | |
| 231 | - /* FTDI specific */ | |
| 232 | - /** FTDI chip type */ | |
| 233 | - enum ftdi_chip_type type; | |
| 234 | - /** baudrate */ | |
| 235 | - int baudrate; | |
| 236 | - /** bitbang mode state */ | |
| 237 | - unsigned char bitbang_enabled; | |
| 238 | - /** pointer to read buffer for ftdi_read_data */ | |
| 239 | - unsigned char *readbuffer; | |
| 240 | - /** read buffer offset */ | |
| 241 | - unsigned int readbuffer_offset; | |
| 242 | - /** number of remaining data in internal read buffer */ | |
| 243 | - unsigned int readbuffer_remaining; | |
| 244 | - /** read buffer chunk size */ | |
| 245 | - unsigned int readbuffer_chunksize; | |
| 246 | - /** write buffer chunk size */ | |
| 247 | - unsigned int writebuffer_chunksize; | |
| 248 | - /** maximum packet size. Needed for filtering modem status bytes every n packets. */ | |
| 249 | - unsigned int max_packet_size; | |
| 250 | - | |
| 251 | - /* FTDI FT2232C requirecments */ | |
| 252 | - /** FT2232C interface number: 0 or 1 */ | |
| 253 | - int interface; /* 0 or 1 */ | |
| 254 | - /** FT2232C index number: 1 or 2 */ | |
| 255 | - int index; /* 1 or 2 */ | |
| 256 | - /* Endpoints */ | |
| 257 | - /** FT2232C end points: 1 or 2 */ | |
| 258 | - int in_ep; | |
| 259 | - int out_ep; /* 1 or 2 */ | |
| 260 | - | |
| 261 | - /** Bitbang mode. 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */ | |
| 262 | - unsigned char bitbang_mode; | |
| 263 | - | |
| 264 | - /** Decoded eeprom structure */ | |
| 265 | - struct ftdi_eeprom *eeprom; | |
| 266 | - | |
| 267 | - /** String representation of last error */ | |
| 268 | - char *error_str; | |
| 269 | - | |
| 270 | - /** Defines behavior in case a kernel module is already attached to the device */ | |
| 271 | - enum ftdi_module_detach_mode module_detach_mode; | |
| 272 | -}; | |
| 273 | - | |
| 274 | -/** | |
| 275 | - List all handled EEPROM values. | |
| 276 | - Append future new values only at the end to provide API/ABI stability*/ | |
| 277 | -enum ftdi_eeprom_value | |
| 278 | -{ | |
| 279 | - VENDOR_ID = 0, | |
| 280 | - PRODUCT_ID = 1, | |
| 281 | - SELF_POWERED = 2, | |
| 282 | - REMOTE_WAKEUP = 3, | |
| 283 | - IS_NOT_PNP = 4, | |
| 284 | - SUSPEND_DBUS7 = 5, | |
| 285 | - IN_IS_ISOCHRONOUS = 6, | |
| 286 | - OUT_IS_ISOCHRONOUS = 7, | |
| 287 | - SUSPEND_PULL_DOWNS = 8, | |
| 288 | - USE_SERIAL = 9, | |
| 289 | - USB_VERSION = 10, | |
| 290 | - USE_USB_VERSION = 11, | |
| 291 | - MAX_POWER = 12, | |
| 292 | - CHANNEL_A_TYPE = 13, | |
| 293 | - CHANNEL_B_TYPE = 14, | |
| 294 | - CHANNEL_A_DRIVER = 15, | |
| 295 | - CHANNEL_B_DRIVER = 16, | |
| 296 | - CBUS_FUNCTION_0 = 17, | |
| 297 | - CBUS_FUNCTION_1 = 18, | |
| 298 | - CBUS_FUNCTION_2 = 19, | |
| 299 | - CBUS_FUNCTION_3 = 20, | |
| 300 | - CBUS_FUNCTION_4 = 21, | |
| 301 | - CBUS_FUNCTION_5 = 22, | |
| 302 | - CBUS_FUNCTION_6 = 23, | |
| 303 | - CBUS_FUNCTION_7 = 24, | |
| 304 | - CBUS_FUNCTION_8 = 25, | |
| 305 | - CBUS_FUNCTION_9 = 26, | |
| 306 | - HIGH_CURRENT = 27, | |
| 307 | - HIGH_CURRENT_A = 28, | |
| 308 | - HIGH_CURRENT_B = 29, | |
| 309 | - INVERT = 30, | |
| 310 | - GROUP0_DRIVE = 31, | |
| 311 | - GROUP0_SCHMITT = 32, | |
| 312 | - GROUP0_SLEW = 33, | |
| 313 | - GROUP1_DRIVE = 34, | |
| 314 | - GROUP1_SCHMITT = 35, | |
| 315 | - GROUP1_SLEW = 36, | |
| 316 | - GROUP2_DRIVE = 37, | |
| 317 | - GROUP2_SCHMITT = 38, | |
| 318 | - GROUP2_SLEW = 39, | |
| 319 | - GROUP3_DRIVE = 40, | |
| 320 | - GROUP3_SCHMITT = 41, | |
| 321 | - GROUP3_SLEW = 42, | |
| 322 | - CHIP_SIZE = 43, | |
| 323 | - CHIP_TYPE = 44, | |
| 324 | - POWER_SAVE = 45, | |
| 325 | - CLOCK_POLARITY = 46, | |
| 326 | - DATA_ORDER = 47, | |
| 327 | - FLOW_CONTROL = 48, | |
| 328 | - CHANNEL_C_DRIVER = 49, | |
| 329 | - CHANNEL_D_DRIVER = 50, | |
| 330 | - CHANNEL_A_RS485 = 51, | |
| 331 | - CHANNEL_B_RS485 = 52, | |
| 332 | - CHANNEL_C_RS485 = 53, | |
| 333 | - CHANNEL_D_RS485 = 54, | |
| 334 | - RELEASE_NUMBER = 55, | |
| 335 | - EXTERNAL_OSCILLATOR= 56, | |
| 336 | - USER_DATA_ADDR = 57, | |
| 337 | -}; | |
| 338 | - | |
| 339 | -/** | |
| 340 | - \brief list of usb devices created by ftdi_usb_find_all() | |
| 341 | -*/ | |
| 342 | -struct ftdi_device_list | |
| 343 | -{ | |
| 344 | - /** pointer to next entry */ | |
| 345 | - struct ftdi_device_list *next; | |
| 346 | - /** pointer to libusb's usb_device */ | |
| 347 | - struct libusb_device *dev; | |
| 348 | -}; | |
| 349 | -#define FT1284_CLK_IDLE_STATE 0x01 | |
| 350 | -#define FT1284_DATA_LSB 0x02 /* DS_FT232H 1.3 amd ftd2xx.h 1.0.4 disagree here*/ | |
| 351 | -#define FT1284_FLOW_CONTROL 0x04 | |
| 352 | -#define POWER_SAVE_DISABLE_H 0x80 | |
| 353 | - | |
| 354 | -#define USE_SERIAL_NUM 0x08 | |
| 355 | -enum ftdi_cbus_func | |
| 356 | -{ | |
| 357 | - CBUS_TXDEN = 0, CBUS_PWREN = 1, CBUS_RXLED = 2, CBUS_TXLED = 3, CBUS_TXRXLED = 4, | |
| 358 | - CBUS_SLEEP = 5, CBUS_CLK48 = 6, CBUS_CLK24 = 7, CBUS_CLK12 = 8, CBUS_CLK6 = 9, | |
| 359 | - CBUS_IOMODE = 0xa, CBUS_BB_WR = 0xb, CBUS_BB_RD = 0xc | |
| 360 | -}; | |
| 361 | - | |
| 362 | -enum ftdi_cbush_func | |
| 363 | -{ | |
| 364 | - CBUSH_TRISTATE = 0, CBUSH_TXLED = 1, CBUSH_RXLED = 2, CBUSH_TXRXLED = 3, CBUSH_PWREN = 4, | |
| 365 | - CBUSH_SLEEP = 5, CBUSH_DRIVE_0 = 6, CBUSH_DRIVE1 = 7, CBUSH_IOMODE = 8, CBUSH_TXDEN = 9, | |
| 366 | - CBUSH_CLK30 = 10, CBUSH_CLK15 = 11, CBUSH_CLK7_5 = 12 | |
| 367 | -}; | |
| 368 | - | |
| 369 | -enum ftdi_cbusx_func | |
| 370 | -{ | |
| 371 | - CBUSX_TRISTATE = 0, CBUSX_TXLED = 1, CBUSX_RXLED = 2, CBUSX_TXRXLED = 3, CBUSX_PWREN = 4, | |
| 372 | - CBUSX_SLEEP = 5, CBUSX_DRIVE_0 = 6, CBUSX_DRIVE1 = 7, CBUSX_IOMODE = 8, CBUSX_TXDEN = 9, | |
| 373 | - CBUSX_CLK24 = 10, CBUSX_CLK12 = 11, CBUSX_CLK6 = 12, CBUSX_BAT_DETECT = 13, | |
| 374 | - CBUSX_BAT_DETECT_NEG = 14, CBUSX_I2C_TXE = 15, CBUSX_I2C_RXF = 16, CBUSX_VBUS_SENSE = 17, | |
| 375 | - CBUSX_BB_WR = 18, CBUSX_BB_RD = 19, CBUSX_TIME_STAMP = 20, CBUSX_AWAKE = 21 | |
| 376 | -}; | |
| 377 | - | |
| 378 | -/** Invert TXD# */ | |
| 379 | -#define INVERT_TXD 0x01 | |
| 380 | -/** Invert RXD# */ | |
| 381 | -#define INVERT_RXD 0x02 | |
| 382 | -/** Invert RTS# */ | |
| 383 | -#define INVERT_RTS 0x04 | |
| 384 | -/** Invert CTS# */ | |
| 385 | -#define INVERT_CTS 0x08 | |
| 386 | -/** Invert DTR# */ | |
| 387 | -#define INVERT_DTR 0x10 | |
| 388 | -/** Invert DSR# */ | |
| 389 | -#define INVERT_DSR 0x20 | |
| 390 | -/** Invert DCD# */ | |
| 391 | -#define INVERT_DCD 0x40 | |
| 392 | -/** Invert RI# */ | |
| 393 | -#define INVERT_RI 0x80 | |
| 394 | - | |
| 395 | -/** Interface Mode. */ | |
| 396 | -#define CHANNEL_IS_UART 0x0 | |
| 397 | -#define CHANNEL_IS_FIFO 0x1 | |
| 398 | -#define CHANNEL_IS_OPTO 0x2 | |
| 399 | -#define CHANNEL_IS_CPU 0x4 | |
| 400 | -#define CHANNEL_IS_FT1284 0x8 | |
| 401 | - | |
| 402 | -#define CHANNEL_IS_RS485 0x10 | |
| 403 | - | |
| 404 | -#define DRIVE_4MA 0 | |
| 405 | -#define DRIVE_8MA 1 | |
| 406 | -#define DRIVE_12MA 2 | |
| 407 | -#define DRIVE_16MA 3 | |
| 408 | -#define SLOW_SLEW 4 | |
| 409 | -#define IS_SCHMITT 8 | |
| 410 | - | |
| 411 | -/** Driver Type. */ | |
| 412 | -#define DRIVER_VCP 0x08 | |
| 413 | -#define DRIVER_VCPH 0x10 /* FT232H has moved the VCP bit */ | |
| 414 | - | |
| 415 | -#define USE_USB_VERSION_BIT 0x10 | |
| 416 | - | |
| 417 | -#define SUSPEND_DBUS7_BIT 0x80 | |
| 418 | - | |
| 419 | -/** High current drive. */ | |
| 420 | -#define HIGH_CURRENT_DRIVE 0x10 | |
| 421 | -#define HIGH_CURRENT_DRIVE_R 0x04 | |
| 422 | - | |
| 423 | -/** | |
| 424 | - \brief Progress Info for streaming read | |
| 425 | -*/ | |
| 426 | -struct size_and_time | |
| 427 | -{ | |
| 428 | - uint64_t totalBytes; | |
| 429 | - struct timeval time; | |
| 430 | -}; | |
| 431 | - | |
| 432 | -typedef struct | |
| 433 | -{ | |
| 434 | - struct size_and_time first; | |
| 435 | - struct size_and_time prev; | |
| 436 | - struct size_and_time current; | |
| 437 | - double totalTime; | |
| 438 | - double totalRate; | |
| 439 | - double currentRate; | |
| 440 | -} FTDIProgressInfo; | |
| 441 | - | |
| 442 | -typedef int (FTDIStreamCallback)(uint8_t *buffer, int length, | |
| 443 | - FTDIProgressInfo *progress, void *userdata); | |
| 444 | - | |
| 445 | -/** | |
| 446 | - * Provide libftdi version information | |
| 447 | - * major: Library major version | |
| 448 | - * minor: Library minor version | |
| 449 | - * micro: Currently unused, ight get used for hotfixes. | |
| 450 | - * version_str: Version as (static) string | |
| 451 | - * snapshot_str: Git snapshot version if known. Otherwise "unknown" or empty string. | |
| 452 | -*/ | |
| 453 | -struct ftdi_version_info | |
| 454 | -{ | |
| 455 | - int major; | |
| 456 | - int minor; | |
| 457 | - int micro; | |
| 458 | - const char *version_str; | |
| 459 | - const char *snapshot_str; | |
| 460 | -}; | |
| 461 | - | |
| 462 | - | |
| 463 | -#ifdef __cplusplus | |
| 464 | -extern "C" | |
| 465 | -{ | |
| 466 | -#endif | |
| 467 | - | |
| 468 | - int ftdi_init(struct ftdi_context *ftdi); | |
| 469 | - struct ftdi_context *ftdi_new(void); | |
| 470 | - int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface); | |
| 471 | - | |
| 472 | - void ftdi_deinit(struct ftdi_context *ftdi); | |
| 473 | - void ftdi_free(struct ftdi_context *ftdi); | |
| 474 | - void ftdi_set_usbdev (struct ftdi_context *ftdi, struct libusb_device_handle *usbdev); | |
| 475 | - | |
| 476 | - struct ftdi_version_info ftdi_get_library_version(void); | |
| 477 | - | |
| 478 | - int ftdi_usb_find_all(struct ftdi_context *ftdi, struct ftdi_device_list **devlist, | |
| 479 | - int vendor, int product); | |
| 480 | - void ftdi_list_free(struct ftdi_device_list **devlist); | |
| 481 | - void ftdi_list_free2(struct ftdi_device_list *devlist); | |
| 482 | - int ftdi_usb_get_strings(struct ftdi_context *ftdi, struct libusb_device *dev, | |
| 483 | - char *manufacturer, int mnf_len, | |
| 484 | - char *description, int desc_len, | |
| 485 | - char *serial, int serial_len); | |
| 486 | - int ftdi_usb_get_strings2(struct ftdi_context *ftdi, struct libusb_device *dev, | |
| 487 | - char *manufacturer, int mnf_len, | |
| 488 | - char *description, int desc_len, | |
| 489 | - char *serial, int serial_len); | |
| 490 | - int ftdi_eeprom_set_strings(struct ftdi_context *ftdi, char * manufacturer, | |
| 491 | - char * product, char * serial); | |
| 492 | - | |
| 493 | - int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product); | |
| 494 | - int ftdi_usb_open_desc(struct ftdi_context *ftdi, int vendor, int product, | |
| 495 | - const char* description, const char* serial); | |
| 496 | - int ftdi_usb_open_desc_index(struct ftdi_context *ftdi, int vendor, int product, | |
| 497 | - const char* description, const char* serial, unsigned int index); | |
| 498 | - int ftdi_usb_open_dev(struct ftdi_context *ftdi, struct libusb_device *dev); | |
| 499 | - int ftdi_usb_open_string(struct ftdi_context *ftdi, const char* description); | |
| 500 | - | |
| 501 | - int ftdi_usb_close(struct ftdi_context *ftdi); | |
| 502 | - int ftdi_usb_reset(struct ftdi_context *ftdi); | |
| 503 | - int ftdi_usb_purge_rx_buffer(struct ftdi_context *ftdi); | |
| 504 | - int ftdi_usb_purge_tx_buffer(struct ftdi_context *ftdi); | |
| 505 | - int ftdi_usb_purge_buffers(struct ftdi_context *ftdi); | |
| 506 | - | |
| 507 | - int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate); | |
| 508 | - int ftdi_set_line_property(struct ftdi_context *ftdi, enum ftdi_bits_type bits, | |
| 509 | - enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity); | |
| 510 | - int ftdi_set_line_property2(struct ftdi_context *ftdi, enum ftdi_bits_type bits, | |
| 511 | - enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity, | |
| 512 | - enum ftdi_break_type break_type); | |
| 513 | - | |
| 514 | - int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size); | |
| 515 | - int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); | |
| 516 | - int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
| 517 | - | |
| 518 | - int ftdi_write_data(struct ftdi_context *ftdi, const unsigned char *buf, int size); | |
| 519 | - int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); | |
| 520 | - int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
| 521 | - | |
| 522 | - int ftdi_readstream(struct ftdi_context *ftdi, FTDIStreamCallback *callback, | |
| 523 | - void *userdata, int packetsPerTransfer, int numTransfers); | |
| 524 | - struct ftdi_transfer_control *ftdi_write_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size); | |
| 525 | - | |
| 526 | - struct ftdi_transfer_control *ftdi_read_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size); | |
| 527 | - int ftdi_transfer_data_done(struct ftdi_transfer_control *tc); | |
| 528 | - void ftdi_transfer_data_cancel(struct ftdi_transfer_control *tc, struct timeval * to); | |
| 529 | - | |
| 530 | - int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode); | |
| 531 | - int ftdi_disable_bitbang(struct ftdi_context *ftdi); | |
| 532 | - int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins); | |
| 533 | - | |
| 534 | - int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency); | |
| 535 | - int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency); | |
| 536 | - | |
| 537 | - int ftdi_poll_modem_status(struct ftdi_context *ftdi, unsigned short *status); | |
| 538 | - | |
| 539 | - /* flow control */ | |
| 540 | - int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl); | |
| 541 | - int ftdi_setdtr_rts(struct ftdi_context *ftdi, int dtr, int rts); | |
| 542 | - int ftdi_setdtr(struct ftdi_context *ftdi, int state); | |
| 543 | - int ftdi_setrts(struct ftdi_context *ftdi, int state); | |
| 544 | - | |
| 545 | - int ftdi_set_event_char(struct ftdi_context *ftdi, unsigned char eventch, unsigned char enable); | |
| 546 | - int ftdi_set_error_char(struct ftdi_context *ftdi, unsigned char errorch, unsigned char enable); | |
| 547 | - | |
| 548 | - /* init eeprom for the given FTDI type */ | |
| 549 | - int ftdi_eeprom_initdefaults(struct ftdi_context *ftdi, | |
| 550 | - char * manufacturer, char *product, | |
| 551 | - char * serial); | |
| 552 | - int ftdi_eeprom_build(struct ftdi_context *ftdi); | |
| 553 | - int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose); | |
| 554 | - | |
| 555 | - int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int* value); | |
| 556 | - int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int value); | |
| 557 | - | |
| 558 | - int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, int size); | |
| 559 | - int ftdi_set_eeprom_buf(struct ftdi_context *ftdi, const unsigned char * buf, int size); | |
| 560 | - | |
| 561 | - int ftdi_set_eeprom_user_data(struct ftdi_context *ftdi, const char * buf, int size); | |
| 562 | - | |
| 563 | - int ftdi_read_eeprom(struct ftdi_context *ftdi); | |
| 564 | - int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid); | |
| 565 | - int ftdi_write_eeprom(struct ftdi_context *ftdi); | |
| 566 | - int ftdi_erase_eeprom(struct ftdi_context *ftdi); | |
| 567 | - | |
| 568 | - int ftdi_read_eeprom_location (struct ftdi_context *ftdi, int eeprom_addr, unsigned short *eeprom_val); | |
| 569 | - int ftdi_write_eeprom_location(struct ftdi_context *ftdi, int eeprom_addr, unsigned short eeprom_val); | |
| 570 | - | |
| 571 | - char *ftdi_get_error_string(struct ftdi_context *ftdi); | |
| 572 | - | |
| 573 | -#ifdef __cplusplus | |
| 574 | -} | |
| 575 | -#endif | |
| 576 | - | |
| 577 | -#endif /* __libftdi_h__ */ |
| @@ -1,299 +0,0 @@ | ||
| 1 | -/*************************************************************************** | |
| 2 | - ftdi_stream.c - description | |
| 3 | - ------------------- | |
| 4 | - copyright : (C) 2009 Micah Dowty 2010 Uwe Bonnes | |
| 5 | - email : opensource@intra2net.com | |
| 6 | - ***************************************************************************/ | |
| 7 | - | |
| 8 | -/*************************************************************************** | |
| 9 | - * * | |
| 10 | - * This program is free software; you can redistribute it and/or modify * | |
| 11 | - * it under the terms of the GNU Lesser General Public License * | |
| 12 | - * version 2.1 as published by the Free Software Foundation; * | |
| 13 | - * * | |
| 14 | - ***************************************************************************/ | |
| 15 | - | |
| 16 | -/* Adapted from | |
| 17 | - * fastftdi.c - A minimal FTDI FT232H interface for which supports bit-bang | |
| 18 | - * mode, but focuses on very high-performance support for | |
| 19 | - * synchronous FIFO mode. Requires libusb-1.0 | |
| 20 | - * | |
| 21 | - * Copyright (C) 2009 Micah Dowty | |
| 22 | - * | |
| 23 | - * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 24 | - * of this software and associated documentation files (the "Software"), to deal | |
| 25 | - * in the Software without restriction, including without limitation the rights | |
| 26 | - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 27 | - * copies of the Software, and to permit persons to whom the Software is | |
| 28 | - * furnished to do so, subject to the following conditions: | |
| 29 | - * | |
| 30 | - * The above copyright notice and this permission notice shall be included in | |
| 31 | - * all copies or substantial portions of the Software. | |
| 32 | - * | |
| 33 | - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 34 | - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 35 | - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 36 | - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 37 | - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 38 | - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| 39 | - * THE SOFTWARE. | |
| 40 | - */ | |
| 41 | - | |
| 42 | -#include <stdlib.h> | |
| 43 | -#include <stdio.h> | |
| 44 | -#include <libusb.h> | |
| 45 | - | |
| 46 | -#include "ftdi.h" | |
| 47 | - | |
| 48 | -typedef struct | |
| 49 | -{ | |
| 50 | - FTDIStreamCallback *callback; | |
| 51 | - void *userdata; | |
| 52 | - int packetsize; | |
| 53 | - int activity; | |
| 54 | - int result; | |
| 55 | - FTDIProgressInfo progress; | |
| 56 | -} FTDIStreamState; | |
| 57 | - | |
| 58 | -/* Handle callbacks | |
| 59 | - * | |
| 60 | - * With Exit request, free memory and release the transfer | |
| 61 | - * | |
| 62 | - * state->result is only set when some error happens | |
| 63 | - */ | |
| 64 | -static void LIBUSB_CALL | |
| 65 | -ftdi_readstream_cb(struct libusb_transfer *transfer) | |
| 66 | -{ | |
| 67 | - FTDIStreamState *state = transfer->user_data; | |
| 68 | - int packet_size = state->packetsize; | |
| 69 | - | |
| 70 | - state->activity++; | |
| 71 | - if (transfer->status == LIBUSB_TRANSFER_COMPLETED) | |
| 72 | - { | |
| 73 | - int i; | |
| 74 | - uint8_t *ptr = transfer->buffer; | |
| 75 | - int length = transfer->actual_length; | |
| 76 | - int numPackets = (length + packet_size - 1) / packet_size; | |
| 77 | - int res = 0; | |
| 78 | - | |
| 79 | - for (i = 0; i < numPackets; i++) | |
| 80 | - { | |
| 81 | - int payloadLen; | |
| 82 | - int packetLen = length; | |
| 83 | - | |
| 84 | - if (packetLen > packet_size) | |
| 85 | - packetLen = packet_size; | |
| 86 | - | |
| 87 | - payloadLen = packetLen - 2; | |
| 88 | - state->progress.current.totalBytes += payloadLen; | |
| 89 | - | |
| 90 | - res = state->callback(ptr + 2, payloadLen, | |
| 91 | - NULL, state->userdata); | |
| 92 | - | |
| 93 | - ptr += packetLen; | |
| 94 | - length -= packetLen; | |
| 95 | - } | |
| 96 | - if (res) | |
| 97 | - { | |
| 98 | - free(transfer->buffer); | |
| 99 | - libusb_free_transfer(transfer); | |
| 100 | - } | |
| 101 | - else | |
| 102 | - { | |
| 103 | - transfer->status = -1; | |
| 104 | - state->result = libusb_submit_transfer(transfer); | |
| 105 | - } | |
| 106 | - } | |
| 107 | - else | |
| 108 | - { | |
| 109 | - fprintf(stderr, "unknown status %d\n",transfer->status); | |
| 110 | - state->result = LIBUSB_ERROR_IO; | |
| 111 | - } | |
| 112 | -} | |
| 113 | - | |
| 114 | -/** | |
| 115 | - Helper function to calculate (unix) time differences | |
| 116 | - | |
| 117 | - \param a timeval | |
| 118 | - \param b timeval | |
| 119 | -*/ | |
| 120 | -static double | |
| 121 | -TimevalDiff(const struct timeval *a, const struct timeval *b) | |
| 122 | -{ | |
| 123 | - return (a->tv_sec - b->tv_sec) + 1e-6 * (a->tv_usec - b->tv_usec); | |
| 124 | -} | |
| 125 | - | |
| 126 | -/** | |
| 127 | - Streaming reading of data from the device | |
| 128 | - | |
| 129 | - Use asynchronous transfers in libusb-1.0 for high-performance | |
| 130 | - streaming of data from a device interface back to the PC. This | |
| 131 | - function continuously transfers data until either an error occurs | |
| 132 | - or the callback returns a nonzero value. This function returns | |
| 133 | - a libusb error code or the callback's return value. | |
| 134 | - | |
| 135 | - For every contiguous block of received data, the callback will | |
| 136 | - be invoked. | |
| 137 | - | |
| 138 | - \param ftdi pointer to ftdi_context | |
| 139 | - \param callback to user supplied function for one block of data | |
| 140 | - \param userdata | |
| 141 | - \param packetsPerTransfer number of packets per transfer | |
| 142 | - \param numTransfers Number of transfers per callback | |
| 143 | - | |
| 144 | -*/ | |
| 145 | - | |
| 146 | -int | |
| 147 | -ftdi_readstream(struct ftdi_context *ftdi, | |
| 148 | - FTDIStreamCallback *callback, void *userdata, | |
| 149 | - int packetsPerTransfer, int numTransfers) | |
| 150 | -{ | |
| 151 | - struct libusb_transfer **transfers; | |
| 152 | - FTDIStreamState state = { callback, userdata, ftdi->max_packet_size, 1 }; | |
| 153 | - int bufferSize = packetsPerTransfer * ftdi->max_packet_size; | |
| 154 | - int xferIndex; | |
| 155 | - int err = 0; | |
| 156 | - | |
| 157 | - /* Only FT2232H and FT232H know about the synchronous FIFO Mode*/ | |
| 158 | - if ((ftdi->type != TYPE_2232H) && (ftdi->type != TYPE_232H)) | |
| 159 | - { | |
| 160 | - fprintf(stderr,"Device doesn't support synchronous FIFO mode\n"); | |
| 161 | - return 1; | |
| 162 | - } | |
| 163 | - | |
| 164 | - /* We don't know in what state we are, switch to reset*/ | |
| 165 | - if (ftdi_set_bitmode(ftdi, 0xff, BITMODE_RESET) < 0) | |
| 166 | - { | |
| 167 | - fprintf(stderr,"Can't reset mode\n"); | |
| 168 | - return 1; | |
| 169 | - } | |
| 170 | - | |
| 171 | - /* Purge anything remaining in the buffers*/ | |
| 172 | - if (ftdi_usb_purge_buffers(ftdi) < 0) | |
| 173 | - { | |
| 174 | - fprintf(stderr,"Can't Purge\n"); | |
| 175 | - return 1; | |
| 176 | - } | |
| 177 | - | |
| 178 | - /* | |
| 179 | - * Set up all transfers | |
| 180 | - */ | |
| 181 | - | |
| 182 | - transfers = calloc(numTransfers, sizeof *transfers); | |
| 183 | - if (!transfers) | |
| 184 | - { | |
| 185 | - err = LIBUSB_ERROR_NO_MEM; | |
| 186 | - goto cleanup; | |
| 187 | - } | |
| 188 | - | |
| 189 | - for (xferIndex = 0; xferIndex < numTransfers; xferIndex++) | |
| 190 | - { | |
| 191 | - struct libusb_transfer *transfer; | |
| 192 | - | |
| 193 | - transfer = libusb_alloc_transfer(0); | |
| 194 | - transfers[xferIndex] = transfer; | |
| 195 | - if (!transfer) | |
| 196 | - { | |
| 197 | - err = LIBUSB_ERROR_NO_MEM; | |
| 198 | - goto cleanup; | |
| 199 | - } | |
| 200 | - | |
| 201 | - libusb_fill_bulk_transfer(transfer, ftdi->usb_dev, ftdi->out_ep, | |
| 202 | - malloc(bufferSize), bufferSize, | |
| 203 | - ftdi_readstream_cb, | |
| 204 | - &state, 0); | |
| 205 | - | |
| 206 | - if (!transfer->buffer) | |
| 207 | - { | |
| 208 | - err = LIBUSB_ERROR_NO_MEM; | |
| 209 | - goto cleanup; | |
| 210 | - } | |
| 211 | - | |
| 212 | - transfer->status = -1; | |
| 213 | - err = libusb_submit_transfer(transfer); | |
| 214 | - if (err) | |
| 215 | - goto cleanup; | |
| 216 | - } | |
| 217 | - | |
| 218 | - /* Start the transfers only when everything has been set up. | |
| 219 | - * Otherwise the transfers start stuttering and the PC not | |
| 220 | - * fetching data for several to several ten milliseconds | |
| 221 | - * and we skip blocks | |
| 222 | - */ | |
| 223 | - if (ftdi_set_bitmode(ftdi, 0xff, BITMODE_SYNCFF) < 0) | |
| 224 | - { | |
| 225 | - fprintf(stderr,"Can't set synchronous fifo mode: %s\n", | |
| 226 | - ftdi_get_error_string(ftdi)); | |
| 227 | - goto cleanup; | |
| 228 | - } | |
| 229 | - | |
| 230 | - /* | |
| 231 | - * Run the transfers, and periodically assess progress. | |
| 232 | - */ | |
| 233 | - | |
| 234 | - gettimeofday(&state.progress.first.time, NULL); | |
| 235 | - | |
| 236 | - do | |
| 237 | - { | |
| 238 | - FTDIProgressInfo *progress = &state.progress; | |
| 239 | - const double progressInterval = 1.0; | |
| 240 | - struct timeval timeout = { 0, ftdi->usb_read_timeout * 1000}; | |
| 241 | - struct timeval now; | |
| 242 | - | |
| 243 | - int err = libusb_handle_events_timeout(ftdi->usb_ctx, &timeout); | |
| 244 | - if (err == LIBUSB_ERROR_INTERRUPTED) | |
| 245 | - /* restart interrupted events */ | |
| 246 | - err = libusb_handle_events_timeout(ftdi->usb_ctx, &timeout); | |
| 247 | - if (!state.result) | |
| 248 | - { | |
| 249 | - state.result = err; | |
| 250 | - } | |
| 251 | - if (state.activity == 0) | |
| 252 | - state.result = 1; | |
| 253 | - else | |
| 254 | - state.activity = 0; | |
| 255 | - | |
| 256 | - // If enough time has elapsed, update the progress | |
| 257 | - gettimeofday(&now, NULL); | |
| 258 | - if (TimevalDiff(&now, &progress->current.time) >= progressInterval) | |
| 259 | - { | |
| 260 | - progress->current.time = now; | |
| 261 | - progress->totalTime = TimevalDiff(&progress->current.time, | |
| 262 | - &progress->first.time); | |
| 263 | - | |
| 264 | - if (progress->prev.totalBytes) | |
| 265 | - { | |
| 266 | - // We have enough information to calculate rates | |
| 267 | - | |
| 268 | - double currentTime; | |
| 269 | - | |
| 270 | - currentTime = TimevalDiff(&progress->current.time, | |
| 271 | - &progress->prev.time); | |
| 272 | - | |
| 273 | - progress->totalRate = | |
| 274 | - progress->current.totalBytes /progress->totalTime; | |
| 275 | - progress->currentRate = | |
| 276 | - (progress->current.totalBytes - | |
| 277 | - progress->prev.totalBytes) / currentTime; | |
| 278 | - } | |
| 279 | - | |
| 280 | - state.callback(NULL, 0, progress, state.userdata); | |
| 281 | - progress->prev = progress->current; | |
| 282 | - | |
| 283 | - } | |
| 284 | - } while (!state.result); | |
| 285 | - | |
| 286 | - /* | |
| 287 | - * Cancel any outstanding transfers, and free memory. | |
| 288 | - */ | |
| 289 | - | |
| 290 | -cleanup: | |
| 291 | - fprintf(stderr, "cleanup\n"); | |
| 292 | - if (transfers) | |
| 293 | - free(transfers); | |
| 294 | - if (err) | |
| 295 | - return err; | |
| 296 | - else | |
| 297 | - return state.result; | |
| 298 | -} | |
| 299 | - |
