int Eeprom::read(unsigned char *eeprom)
{
return ftdi_read_eeprom(d->context, eeprom);
}
int main(int argc, char *argv[])
{
/*
configuration options
*/
cfg_opt_t opts[] =
{
CFG_INT("vendor_id", 0, 0),
CFG_INT("product_id", 0, 0),
CFG_BOOL("self_powered", cfg_true, 0),
CFG_BOOL("remote_wakeup", cfg_true, 0),
CFG_BOOL("in_is_isochronous", cfg_false, 0),
CFG_BOOL("out_is_isochronous", cfg_false, 0),
CFG_BOOL("suspend_pull_downs", cfg_false, 0),
CFG_BOOL("use_serial", cfg_false, 0),
CFG_BOOL("change_usb_version", cfg_false, 0),
CFG_INT("usb_version", 0, 0),
CFG_INT("default_pid", 0x6001, 0),
CFG_INT("max_power", 0, 0),
CFG_STR("manufacturer", "Acme Inc.", 0),
CFG_STR("product", "USB Serial Converter", 0),
CFG_STR("serial", "08-15", 0),
CFG_INT("eeprom_type", 0x00, 0),
CFG_STR("filename", "", 0),
CFG_BOOL("flash_raw", cfg_false, 0),
CFG_BOOL("high_current", cfg_false, 0),
CFG_STR_LIST("cbus0", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
CFG_STR_LIST("cbus1", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
CFG_STR_LIST("cbus2", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
CFG_STR_LIST("cbus3", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
CFG_STR_LIST("cbus4", "{TXDEN,PWRON,RXLED,TXLED,TX_RX_LED,SLEEP,CLK48,CLK24,CLK12,CLK6}", 0),
CFG_BOOL("invert_txd", cfg_false, 0),
CFG_BOOL("invert_rxd", cfg_false, 0),
CFG_BOOL("invert_rts", cfg_false, 0),
CFG_BOOL("invert_cts", cfg_false, 0),
CFG_BOOL("invert_dtr", cfg_false, 0),
CFG_BOOL("invert_dsr", cfg_false, 0),
CFG_BOOL("invert_dcd", cfg_false, 0),
CFG_BOOL("invert_ri", cfg_false, 0),
CFG_END()
};
cfg_t *cfg;
/*
normal variables
*/
int _read = 0, _erase = 0, _flash = 0;
const int max_eeprom_size = 256;
int my_eeprom_size = 0;
unsigned char *eeprom_buf = NULL;
char *filename;
int size_check;
int i, argc_filename;
FILE *fp;
struct ftdi_context *ftdi = NULL;
printf("\nFTDI eeprom generator v%s\n", EEPROM_VERSION_STRING);
printf ("(c) Intra2net AG and the libftdi developers <*****@*****.**>\n");
if (argc != 2 && argc != 3)
{
printf("Syntax: %s [commands] config-file\n", argv[0]);
printf("Valid commands:\n");
printf("--read-eeprom Read eeprom and write to -filename- from config-file\n");
printf("--erase-eeprom Erase eeprom\n");
printf("--flash-eeprom Flash eeprom\n");
exit (-1);
}
if (argc == 3)
{
if (strcmp(argv[1], "--read-eeprom") == 0)
_read = 1;
else if (strcmp(argv[1], "--erase-eeprom") == 0)
_erase = 1;
else if (strcmp(argv[1], "--flash-eeprom") == 0)
_flash = 1;
else
{
printf ("Can't open configuration file\n");
exit (-1);
}
argc_filename = 2;
}
else
{
argc_filename = 1;
}
if ((fp = fopen(argv[argc_filename], "r")) == NULL)
{
printf ("Can't open configuration file\n");
exit (-1);
}
fclose (fp);
cfg = cfg_init(opts, 0);
cfg_parse(cfg, argv[argc_filename]);
filename = cfg_getstr(cfg, "filename");
if (cfg_getbool(cfg, "self_powered") && cfg_getint(cfg, "max_power") > 0)
printf("Hint: Self powered devices should have a max_power setting of 0.\n");
if ((ftdi = ftdi_new()) == 0)
{
fprintf(stderr, "Failed to allocate ftdi structure :%s \n",
ftdi_get_error_string(ftdi));
return EXIT_FAILURE;
}
if (_read > 0 || _erase > 0 || _flash > 0)
{
int vendor_id = cfg_getint(cfg, "vendor_id");
int product_id = cfg_getint(cfg, "product_id");
i = ftdi_usb_open(ftdi, vendor_id, product_id);
if (i != 0)
{
int default_pid = cfg_getint(cfg, "default_pid");
printf("Unable to find FTDI devices under given vendor/product id: 0x%X/0x%X\n", vendor_id, product_id);
printf("Error code: %d (%s)\n", i, ftdi_get_error_string(ftdi));
printf("Retrying with default FTDI pid=%#04x.\n", default_pid);
i = ftdi_usb_open(ftdi, 0x0403, default_pid);
if (i != 0)
{
printf("Error: %s\n", ftdi->error_str);
exit (-1);
}
}
}
ftdi_eeprom_initdefaults (ftdi, cfg_getstr(cfg, "manufacturer"),
cfg_getstr(cfg, "product"),
cfg_getstr(cfg, "serial"));
printf("FTDI read eeprom: %d\n", ftdi_read_eeprom(ftdi));
eeprom_get_value(ftdi, CHIP_SIZE, &my_eeprom_size);
printf("EEPROM size: %d\n", my_eeprom_size);
if (_read > 0)
{
ftdi_eeprom_decode(ftdi, 1);
eeprom_buf = malloc(my_eeprom_size);
ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
if (eeprom_buf == NULL)
{
fprintf(stderr, "Malloc failed, aborting\n");
goto cleanup;
}
if (filename != NULL && strlen(filename) > 0)
{
FILE *fp = fopen (filename, "wb");
fwrite (eeprom_buf, 1, my_eeprom_size, fp);
fclose (fp);
}
else
{
printf("Warning: Not writing eeprom, you must supply a valid filename\n");
}
goto cleanup;
}
eeprom_set_value(ftdi, VENDOR_ID, cfg_getint(cfg, "vendor_id"));
eeprom_set_value(ftdi, PRODUCT_ID, cfg_getint(cfg, "product_id"));
eeprom_set_value(ftdi, SELF_POWERED, cfg_getbool(cfg, "self_powered"));
eeprom_set_value(ftdi, REMOTE_WAKEUP, cfg_getbool(cfg, "remote_wakeup"));
eeprom_set_value(ftdi, MAX_POWER, cfg_getint(cfg, "max_power"));
eeprom_set_value(ftdi, IN_IS_ISOCHRONOUS, cfg_getbool(cfg, "in_is_isochronous"));
eeprom_set_value(ftdi, OUT_IS_ISOCHRONOUS, cfg_getbool(cfg, "out_is_isochronous"));
eeprom_set_value(ftdi, SUSPEND_PULL_DOWNS, cfg_getbool(cfg, "suspend_pull_downs"));
eeprom_set_value(ftdi, USE_SERIAL, cfg_getbool(cfg, "use_serial"));
eeprom_set_value(ftdi, USE_USB_VERSION, cfg_getbool(cfg, "change_usb_version"));
eeprom_set_value(ftdi, USB_VERSION, cfg_getint(cfg, "usb_version"));
eeprom_set_value(ftdi, CHIP_TYPE, cfg_getint(cfg, "eeprom_type"));
eeprom_set_value(ftdi, HIGH_CURRENT, cfg_getbool(cfg, "high_current"));
eeprom_set_value(ftdi, CBUS_FUNCTION_0, str_to_cbus(cfg_getstr(cfg, "cbus0"), 13));
eeprom_set_value(ftdi, CBUS_FUNCTION_1, str_to_cbus(cfg_getstr(cfg, "cbus1"), 13));
eeprom_set_value(ftdi, CBUS_FUNCTION_2, str_to_cbus(cfg_getstr(cfg, "cbus2"), 13));
eeprom_set_value(ftdi, CBUS_FUNCTION_3, str_to_cbus(cfg_getstr(cfg, "cbus3"), 13));
eeprom_set_value(ftdi, CBUS_FUNCTION_4, str_to_cbus(cfg_getstr(cfg, "cbus4"), 9));
int invert = 0;
if (cfg_getbool(cfg, "invert_rxd")) invert |= INVERT_RXD;
if (cfg_getbool(cfg, "invert_txd")) invert |= INVERT_TXD;
if (cfg_getbool(cfg, "invert_rts")) invert |= INVERT_RTS;
if (cfg_getbool(cfg, "invert_cts")) invert |= INVERT_CTS;
if (cfg_getbool(cfg, "invert_dtr")) invert |= INVERT_DTR;
if (cfg_getbool(cfg, "invert_dsr")) invert |= INVERT_DSR;
if (cfg_getbool(cfg, "invert_dcd")) invert |= INVERT_DCD;
if (cfg_getbool(cfg, "invert_ri")) invert |= INVERT_RI;
eeprom_set_value(ftdi, INVERT, invert);
eeprom_set_value(ftdi, CHANNEL_A_DRIVER, DRIVER_VCP);
eeprom_set_value(ftdi, CHANNEL_B_DRIVER, DRIVER_VCP);
eeprom_set_value(ftdi, CHANNEL_C_DRIVER, DRIVER_VCP);
eeprom_set_value(ftdi, CHANNEL_D_DRIVER, DRIVER_VCP);
eeprom_set_value(ftdi, CHANNEL_A_RS485, 0);
eeprom_set_value(ftdi, CHANNEL_B_RS485, 0);
eeprom_set_value(ftdi, CHANNEL_C_RS485, 0);
eeprom_set_value(ftdi, CHANNEL_D_RS485, 0);
if (_erase > 0)
{
printf("FTDI erase eeprom: %d\n", ftdi_erase_eeprom(ftdi));
}
size_check = ftdi_eeprom_build(ftdi);
eeprom_get_value(ftdi, CHIP_SIZE, &my_eeprom_size);
if (size_check == -1)
{
printf ("Sorry, the eeprom can only contain 128 bytes (100 bytes for your strings).\n");
printf ("You need to short your string by: %d bytes\n", size_check);
goto cleanup;
} else if (size_check < 0) {
printf ("ftdi_eeprom_build(): error: %d\n", size_check);
}
else
{
printf ("Used eeprom space: %d bytes\n", my_eeprom_size-size_check);
}
if (_flash > 0)
{
if (cfg_getbool(cfg, "flash_raw"))
{
if (filename != NULL && strlen(filename) > 0)
{
eeprom_buf = malloc(max_eeprom_size);
FILE *fp = fopen(filename, "rb");
if (fp == NULL)
{
printf ("Can't open eeprom file %s.\n", filename);
exit (-1);
}
my_eeprom_size = fread(eeprom_buf, 1, max_eeprom_size, fp);
fclose(fp);
if (my_eeprom_size < 128)
{
printf ("Can't read eeprom file %s.\n", filename);
exit (-1);
}
ftdi_set_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
}
}
printf ("FTDI write eeprom: %d\n", ftdi_write_eeprom(ftdi));
libusb_reset_device(ftdi->usb_dev);
}
// Write to file?
if (filename != NULL && strlen(filename) > 0 && !cfg_getbool(cfg, "flash_raw"))
{
fp = fopen(filename, "w");
if (fp == NULL)
{
printf ("Can't write eeprom file.\n");
exit (-1);
}
else
printf ("Writing to file: %s\n", filename);
if (eeprom_buf == NULL)
eeprom_buf = malloc(my_eeprom_size);
ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
fwrite(eeprom_buf, my_eeprom_size, 1, fp);
fclose(fp);
}
cleanup:
if (eeprom_buf)
free(eeprom_buf);
if (_read > 0 || _erase > 0 || _flash > 0)
{
printf("FTDI close: %d\n", ftdi_usb_close(ftdi));
}
ftdi_deinit (ftdi);
ftdi_free (ftdi);
cfg_free(cfg);
printf("\n");
return 0;
}
int main(int argc, char *argv[])
{
int ret, i;
struct ftdi_device_list *devlist, *curdev;
struct ftdi_context ftdic;
struct ftdi_eeprom eeprom;
for (i = 0; i < CBUS_NUM; i++)
{
apcCBUS[i] = NULL;
}
{
static struct option long_options[] =
{
{"help", no_argument, NULL, 'h'},
{"verbosity", required_argument, NULL, 'V'},
{"vid", required_argument, NULL, 'v'},
{"pid", required_argument, NULL, 'p'},
{"manufacturer", required_argument, NULL, 'm'},
{"description", required_argument, NULL, 'd'},
{"serial", required_argument, NULL, 's'},
{"autoserial", required_argument, NULL, 'a'},
{"C0", required_argument, NULL, '0'},
{"C1", required_argument, NULL, '1'},
{"C2", required_argument, NULL, '2'},
{"C3", required_argument, NULL, '3'},
{"C4", required_argument, NULL, '4'},
{ NULL, 0, NULL, 0}
};
signed char opt;
int option_index;
while ((opt = getopt_long(argc, argv, "hV:v:p:m:d:s:a:0:1:2:3:4:", long_options, &option_index)) != -1)
{
switch (opt)
{
case 'h':
print_usage_exit(argv);
break;
case 'V':
if (iMyStrtoul(&u32Verbosity, optarg, "verbosity", 2))
{
return EXIT_FAILURE;
}
break;
case 'v':
if (iMyStrtoul(&u32VID, optarg, "vendor id", 0xFFFF))
{
return EXIT_FAILURE;
}
break;
case 'p':
if (iMyStrtoul(&u32PID, optarg, "product id", 0xFFFF))
{
return EXIT_FAILURE;
}
break;
case 'm':
pcManufacturer = optarg;
break;
case 'd':
pcDescription = optarg;
break;
case 's':
pcSerial = optarg;
break;
case 'a':
pcAutoSerial = optarg;
break;
case '0':
apcCBUS[0] = optarg;
break;
case '1':
apcCBUS[1] = optarg;
break;
case '2':
apcCBUS[2] = optarg;
break;
case '3':
apcCBUS[3] = optarg;
break;
case '4':
apcCBUS[4] = optarg;
break;
default: /* '?' */
print_usage_exit(argv);
}
}
}
printf("FTProg FTDI Programmer version %s\n\r", Version);
/* Handle serial numbers */
if (pcSerial && pcAutoSerial)
{
fprintf(stderr, "Please specify only one of serial number and autoserial\n\r");
return EXIT_FAILURE;
}
if (pcSerial)
{
if (strlen(pcSerial) != 8)
{
fprintf(stderr, "Serial number must be 8 character string\n\r");
return EXIT_FAILURE;
}
}
if (pcAutoSerial)
{
int fd;
if (strlen(pcAutoSerial) != 2)
{
fprintf(stderr, "Serial number prefix must be 2 character string\n\r");
return EXIT_FAILURE;
}
pcSerial = malloc(sizeof(char) * 9);
if (!pcSerial)
{
fprintf(stderr, "Memory error\n");
return EXIT_FAILURE;
}
pcSerial[0] = pcAutoSerial[0];
pcSerial[1] = pcAutoSerial[1];
if ((fd = open("/dev/urandom", O_RDONLY)) < 0)
{
fprintf(stderr, "Could not open /dev/urandom (%s)\n\r", strerror(errno));
return EXIT_FAILURE;
}
for (i = 2; i < 8; i++)
{
uint32_t j;
read(fd, &j, 1);
pcSerial[i] = "0123456789ABCDEF"[j % 16];
}
close(fd);
pcSerial[8] = '\0';
if (u32Verbosity > 0)
{
printf("Autogenerated serial number: '%s'\n", pcSerial);
}
}
for (i = 0; i < CBUS_NUM; i++)
{
if (apcCBUS[i])
{
int j, iFound = 0;
for (j = 0; j < (sizeof(asCBUSModeLookup)/sizeof(tsCBUSModeLookup)); j++)
{
if (strcmp(apcCBUS[i], asCBUSModeLookup[j].pcDescription) == 0)
{
iFound = 1;
apsCBUS_Function[i] = &asCBUSModeLookup[j];
}
}
if (!iFound)
{
fprintf(stderr, "Invalid C%d '%s'\n\r", i, apcCBUS[i]);
return EXIT_FAILURE;
}
}
}
if (ftdi_init(&ftdic) < 0)
{
fprintf(stderr, "ftdi_init failed\n");
return EXIT_FAILURE;
}
if ((ret = ftdi_usb_find_all(&ftdic, &devlist, u32VID, u32PID)) < 0)
{
fprintf(stderr, "ftdi_usb_find_all failed: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
printf("Number of FTDI devices found: %d\n", ret);
for (i=0, curdev = devlist; curdev != NULL; i++, curdev = curdev->next)
{
printf(" Updating device: %d\n\r", i);
if ((ret = ftdi_usb_open_dev(&ftdic, curdev->dev)) < 0)
{
fprintf(stderr, "ftdi_usb_open_dev failed: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
// Read out FTDIChip-ID of R type chips
if (ftdic.type == TYPE_R)
{
unsigned char *pcEepromBuffer = NULL;
unsigned int chipid;
if ((ret = ftdi_read_chipid(&ftdic, &chipid)) < 0)
{
fprintf(stderr, "ftdi_read_chipid failed: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
printf(" FTDI chipid: %X\n", chipid);
/* EEPROM is 160 bytes */
ftdi_eeprom_setsize(&ftdic, &eeprom, 160);
printf(" EEPROM size: %d bytes\n", ftdic.eeprom_size);
pcEepromBuffer = malloc(ftdic.eeprom_size);
if (!pcEepromBuffer)
{
fprintf(stderr, "Memory error!");
return EXIT_FAILURE;
}
else
{
int i;
if ((ret = ftdi_read_eeprom(&ftdic, pcEepromBuffer)) < 0)
{
fprintf(stderr, "ftdi_read_eeprom failed: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
if ((ret = ftdi_eeprom_decode(&eeprom, pcEepromBuffer, ftdic.eeprom_size)) < 0)
{
if (ret != -1)
{
/* Avoid errors due to hard coded size causing checksum to fail. */
fprintf(stderr, "Error decoding eeprom buffer: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
}
if (u32Verbosity > 0)
{
printf(" Current Vendor: %d, %s\n", eeprom.vendor_id, eeprom.manufacturer);
printf(" Current Product: %d, %s\n", eeprom.product_id, eeprom.product);
printf(" Current Serial: %s\n", eeprom.serial);
if (u32Verbosity >= 2)
{
printf(" Current EEPROM Contents\n\r");
for (i = 0; i < ftdic.eeprom_size; i+=2)
{
if ((i % 16) == 0)
{
printf(" %04x:", i/2);
}
printf(" 0x%02x%02x", pcEepromBuffer[i],pcEepromBuffer[i+1]);
if ((i % 16) == 14)
{
printf("\n\r");
}
}
}
}
if (pcManufacturer)
{
printf(" Setting manufacturer: '%s'\n\r", pcManufacturer);
free(eeprom.manufacturer);
eeprom.manufacturer = pcManufacturer;
}
if (pcDescription)
{
printf(" Setting description: '%s'\n\r", pcDescription);
free(eeprom.product);
eeprom.product = pcDescription;
}
if (pcSerial)
{
printf(" Setting serial number: '%s'\n\r", pcSerial);
free(eeprom.serial);
eeprom.serial = pcSerial;
}
for (i = 0; i < CBUS_NUM; i++)
{
if (apcCBUS[i])
{
/* Argument given */
printf(" Setting C%d: '%s' (%d)\n\r", i,
apsCBUS_Function[i]->pcDescription,
apsCBUS_Function[i]->iCBUSMode);
eeprom.cbus_function[i] = apsCBUS_Function[i]->iCBUSMode;
}
}
/* EEPROM is 160 bytes */
ftdi_eeprom_setsize(&ftdic, &eeprom, 160);
if ((ret = ftdi_eeprom_build(&eeprom, pcEepromBuffer)) < 0)
{
fprintf(stderr, "ftdi_eeprom_build failed: %d (%s)\n\r", ret, ftdi_get_error_string(&ftdic));
return -1;
}
if ((ret = ftdi_write_eeprom(&ftdic, pcEepromBuffer)) < 0)
{
fprintf(stderr, "ftdi_write_eeprom failed: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return -1;
}
printf(" Wrote new EEPROM data successfully\n\r");
}
}
if ((ret = ftdi_usb_close(&ftdic)) < 0)
{
fprintf(stderr, "ftdi_usb_close failed: %d (%s)\n\r", ret, ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
}
ftdi_list_free(&devlist);
ftdi_deinit(&ftdic);
return EXIT_SUCCESS;
}
