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 Eeprom::init_defaults(char* manufacturer, char *product, char * serial)
{
return ftdi_eeprom_initdefaults(d->context, manufacturer, product, serial);
}
void Eeprom::init_defaults()
{
return ftdi_eeprom_initdefaults(&d->eeprom);
}
int
main(int argc, char *argv[]) {
int c;
static struct option long_options[] = {
{"manufacturer", 1, 0, 'm'},
{"product", 1, 0, 'p'},
{"serial", 1, 0, 's'},
{"verbose", 0, 0, 'v'},
{"help", 0, 0, 'h'},
{NULL, 0, NULL, 0}
};
char orig_manufacturer[128];
char* manufacturer = NULL;
char orig_product[128];
char* product = NULL;
char orig_serial[128];
char* serial = NULL;
int bus = -1;
int device = -1;
struct ftdi_context ftdi;
int ires = 0;
while ((c = getopt_long(argc, argv, "m:p:s:vh", long_options, &optind)) != -1) {
switch (c) {
case 'm':
manufacturer = optarg;
break;
case 'p':
product = optarg;
break;
case 's':
serial = optarg;
break;
case 'v':
verbose_mode = true;
break;
case 'h':
print_help(argc, argv);
return EXIT_SUCCESS;
break;
}
}
if (optind + 1 != argc) {
print_help(argc, argv);
return EXIT_FAILURE;
} else {
if (!parse_device_identifier(&bus, &device, argv[optind])) {
fprintf(stderr, "Unable to parse `%s'\n", argv[optind]);
return EXIT_FAILURE;
}
print_verbose("Using device %03d:%03d\n", bus, device);
}
libusb_init(NULL);
libusb_device** usb_devices;
ssize_t n_devices = libusb_get_device_list(NULL, &usb_devices);
if (n_devices < 0) {
fprintf(stderr, "ERROR: Unable to list USB devices [%zd]: %s\n", n_devices, libusb_strerror((enum libusb_error) n_devices));
return EXIT_FAILURE;
}
libusb_device* usb_device = NULL;
for (int i = 0 ; i < n_devices ; i++) {
if (libusb_get_bus_number(usb_devices[i]) == bus &&
libusb_get_device_address(usb_devices[i]) == device) {
usb_device = usb_devices[i];
break;
}
}
if (usb_device == NULL) {
fprintf(stderr, "ERROR: Unable to find USB device at %03d:%03d\n", bus, device);
return EXIT_FAILURE;
}
if ((ires = ftdi_init(&ftdi)) != 0) {
fprintf(stderr, "ERROR: Unable to initialize libftdi (%d)\n", ires);
return EXIT_FAILURE;
}
if ((ires = ftdi_usb_open_dev(&ftdi, usb_device)) != 0) {
fprintf(stderr, "ERROR: Unable to open device (%d)\n", ires);
fprintf(stderr, " Perhaps you don't have sufficient permissions (i.e., you aren't root)?\n");
return EXIT_FAILURE;
}
{
struct libusb_device_descriptor desc;
if ((ires = libusb_get_device_descriptor(libusb_get_device (ftdi.usb_dev), &desc)) < 0) {
fprintf(stderr, "ERROR: Unable to retrieve device descriptor (%d): %s\n", ires, libusb_strerror((enum libusb_error) ires));
return EXIT_FAILURE;
}
if ((ires = libusb_get_string_descriptor_ascii(ftdi.usb_dev, desc.iManufacturer, (unsigned char*) orig_manufacturer, sizeof(orig_manufacturer))) < 0) {
fprintf(stderr, "ERROR: Unable to retrieve manufacturer (%d): %s\n", ires, libusb_strerror((enum libusb_error) ires));
return EXIT_FAILURE;
}
print_verbose("Old manufacturer: %s\n", orig_manufacturer);
if (manufacturer == NULL)
manufacturer = orig_manufacturer;
if ((ires = libusb_get_string_descriptor_ascii(ftdi.usb_dev, desc.iProduct, (unsigned char*) orig_product, sizeof(orig_product))) < 0) {
fprintf(stderr, "ERROR: Unable to retrieve product (%d): %s\n", ires, libusb_strerror((enum libusb_error) ires));
return EXIT_FAILURE;
}
print_verbose("Old product: %s\n", orig_product);
if (product == NULL)
product = orig_product;
if ((ires = libusb_get_string_descriptor_ascii(ftdi.usb_dev, desc.iSerialNumber, (unsigned char*) orig_serial, sizeof(orig_serial))) < 0) {
fprintf(stderr, "ERROR: Unable to retrieve serial (%d): %s\n", ires, libusb_strerror((enum libusb_error) ires));
return EXIT_FAILURE;
}
print_verbose("Old serial: %s\n", orig_serial);
if (serial == NULL)
serial = orig_serial;
}
print_verbose("New manufacturer: %s\n", manufacturer);
print_verbose("New product: %s\n", product);
print_verbose("New serial: %s\n", serial);
if ((ires = ftdi_eeprom_initdefaults (&ftdi, manufacturer, product, serial)) < 0) {
fprintf(stderr, "Unable to set EEPROM defaults: %d\n", ires);
return EXIT_FAILURE;
}
if ((ires = ftdi_eeprom_build (&ftdi)) < 0) {
fprintf(stderr, "Unable to build EEPROM: %d\n", ires);
return EXIT_FAILURE;
}
if ((ires = ftdi_write_eeprom (&ftdi)) < 0) {
fprintf(stderr, "Unable to write EEPROM: %d\n", ires);
return EXIT_FAILURE;
}
ftdi_deinit(&ftdi);
return EXIT_SUCCESS;
}
