main.c - description
-------------------
begin : Mon Apr 7 12:05:22 CEST 2003
- copyright : (C) 2003-2013 by Intra2net AG and the libftdi developers
+ copyright : (C) 2003-2014 by Intra2net AG and the libftdi developers
email : opensource@intra2net.com
***************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
#include <confuse.h>
#include <libusb.h>
#include <ftdi.h>
#include <ftdi_eeprom_version.h>
-static int str_to_cbus(char *str, int max_allowed)
+static int parse_cbus(cfg_t *cfg, cfg_opt_t *opt, const char *value, void *result)
{
- #define MAX_OPTION 14
- const char* options[MAX_OPTION] = {
- "TXDEN", "PWREN", "RXLED", "TXLED", "TXRXLED", "SLEEP",
- "CLK48", "CLK24", "CLK12", "CLK6",
- "IO_MODE", "BITBANG_WR", "BITBANG_RD", "SPECIAL"};
+ static const char* options[] =
+ {
+ "TXDEN", "PWREN", "RXLED", "TXLED", "TXRXLED", "SLEEP", "CLK48",
+ "CLK24", "CLK12", "CLK6", "IOMODE", "BB_WR", "BB_RD"
+ };
+
int i;
- max_allowed += 1;
- if (max_allowed > MAX_OPTION) max_allowed = MAX_OPTION;
- for (i=0; i<max_allowed; i++) {
- if (!(strcmp(options[i], str))) {
- return i;
+ for (i=0; i<sizeof(options)/sizeof(*options); i++)
+ {
+ if (!(strcmp(options[i], value)))
+ {
+ *(int *)result = i;
+ return 0;
}
}
- printf("WARNING: Invalid cbus option '%s'\n", str);
- return 0;
+
+ cfg_error(cfg, "Invalid %s option '%s'", cfg_opt_name(opt), value);
+ return -1;
+}
+
+static int parse_cbush(cfg_t *cfg, cfg_opt_t *opt, const char *value, void *result)
+{
+ static const char* options[] =
+ {
+ "TRISTATE", "TXLED", "RXLED", "TXRXLED", "PWREN", "SLEEP",
+ "DRIVE_0", "DRIVE1", "IOMODE", "TXDEN", "CLK30", "CLK15", "CLK7_5"
+ };
+
+ int i;
+ for (i=0; i<sizeof(options)/sizeof(*options); i++)
+ {
+ if (!(strcmp(options[i], value)))
+ {
+ *(int *)result = i;
+ return 0;
+ }
+ }
+
+ cfg_error(cfg, "Invalid %s option '%s'", cfg_opt_name(opt), value);
+ return -1;
+}
+
+static int parse_cbusx(cfg_t *cfg, cfg_opt_t *opt, const char *value, void *result)
+{
+ static const char* options[] =
+ {
+ "TRISTATE", "TXLED", "RXLED", "TXRXLED", "PWREN", "SLEEP",
+ "DRIVE_0", "DRIVE1", "IOMODE", "TXDEN", "CLK24", "CLK12",
+ "CLK6", "BAT_DETECT", "BAT_DETECT_NEG", "I2C_TXE", "I2C_RXF", "VBUS_SENSE",
+ "BB_WR", "BB_RD", "TIME_STAMP", "AWAKE"
+ };
+
+ int i;
+ for (i=0; i<sizeof(options)/sizeof(*options); i++)
+ {
+ if (!(strcmp(options[i], value)))
+ {
+ *(int *)result = i;
+ return 0;
+ }
+ }
+
+ cfg_error(cfg, "Invalid %s option '%s'", cfg_opt_name(opt), value);
+ return -1;
+}
+
+static int parse_chtype(cfg_t *cfg, cfg_opt_t *opt, const char *value, void *result)
+{
+ static const struct
+ {
+ char* key;
+ int opt;
+ } options[] =
+ {
+ { "UART", CHANNEL_IS_UART },
+ { "FIFO", CHANNEL_IS_FIFO },
+ { "OPTO", CHANNEL_IS_OPTO },
+ { "CPU", CHANNEL_IS_CPU },
+ { "FT1284", CHANNEL_IS_FT1284}
+ };
+
+ int i;
+ for (i=0; i<sizeof(options)/sizeof(*options); i++)
+ {
+ if (!(strcmp(options[i].key, value)))
+ {
+ *(int *)result = options[i].opt;
+ return 0;
+ }
+ }
+
+ cfg_error(cfg, "Invalid %s option '%s'", cfg_opt_name(opt), value);
+ return -1;
}
/**
}
}
+static void usage(const char *program)
+{
+ fprintf(stderr, "Syntax: %s [...options...] <config-file>\n", program);
+ fprintf(stderr, "Valid Options:\n");
+ fprintf(stderr, "--device <description> Specify device to open by description string. One of:\n");
+ fprintf(stderr, " d:<devicenode>\n");
+ fprintf(stderr, " i:<vendor>:<product>\n");
+ fprintf(stderr, " i:<vendor>:<product>:<index>\n");
+ fprintf(stderr, " s:<vendor>:<product>:<serial>\n");
+ fprintf(stderr, "--read-eeprom Read eeprom and write to -filename- from config-file\n");
+ fprintf(stderr, "--build-eeprom Build eeprom image\n");
+ fprintf(stderr, "--erase-eeprom Erase eeprom\n");
+ fprintf(stderr, "--flash-eeprom Flash eeprom\n");
+}
+
int main(int argc, char *argv[])
{
/*
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_INT_CB("cbus0", -1, 0, parse_cbus),
+ CFG_INT_CB("cbus1", -1, 0, parse_cbus),
+ CFG_INT_CB("cbus2", -1, 0, parse_cbus),
+ CFG_INT_CB("cbus3", -1, 0, parse_cbus),
+ CFG_INT_CB("cbus4", -1, 0, parse_cbus),
+ CFG_INT_CB("cbush0", -1, 0, parse_cbush),
+ CFG_INT_CB("cbush1", -1, 0, parse_cbush),
+ CFG_INT_CB("cbush2", -1, 0, parse_cbush),
+ CFG_INT_CB("cbush3", -1, 0, parse_cbush),
+ CFG_INT_CB("cbush4", -1, 0, parse_cbush),
+ CFG_INT_CB("cbush5", -1, 0, parse_cbush),
+ CFG_INT_CB("cbush6", -1, 0, parse_cbush),
+ CFG_INT_CB("cbush7", -1, 0, parse_cbush),
+ CFG_INT_CB("cbush8", -1, 0, parse_cbush),
+ CFG_INT_CB("cbush9", -1, 0, parse_cbush),
+ CFG_INT_CB("cbusx0", -1, 0, parse_cbusx),
+ CFG_INT_CB("cbusx1", -1, 0, parse_cbusx),
+ CFG_INT_CB("cbusx2", -1, 0, parse_cbusx),
+ CFG_INT_CB("cbusx3", -1, 0, parse_cbusx),
CFG_BOOL("invert_txd", cfg_false, 0),
CFG_BOOL("invert_rxd", cfg_false, 0),
CFG_BOOL("invert_rts", 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_INT_CB("cha_type", -1, 0, parse_chtype),
+ CFG_INT_CB("chb_type", -1, 0, parse_chtype),
+ CFG_BOOL("cha_vcp", cfg_true, 0),
+ CFG_BOOL("chb_vcp", cfg_true, 0),
+ CFG_BOOL("chc_vcp", cfg_true, 0),
+ CFG_BOOL("chd_vcp", cfg_true, 0),
+ CFG_BOOL("cha_rs485", cfg_false, 0),
+ CFG_BOOL("chb_rs485", cfg_false, 0),
+ CFG_BOOL("chc_rs485", cfg_false, 0),
+ CFG_BOOL("chd_rs485", cfg_false, 0),
+ CFG_FUNC("include", &cfg_include),
+ CFG_INT("user_data_addr", 0x18, 0),
+ CFG_STR("user_data_file", "", 0),
CFG_END()
};
cfg_t *cfg;
/*
normal variables
*/
- int _read = 0, _erase = 0, _flash = 0;
+ enum {
+ COMMAND_READ = 1,
+ COMMAND_ERASE,
+ COMMAND_FLASH,
+ COMMAND_BUILD
+ } command = 0;
+ const char *cfg_filename = NULL;
+ const char *device_description = NULL;
+ const char *user_data_file = NULL;
+ char *user_data_buffer = NULL;
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;
+ int i;
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 <opensource@intra2net.com>\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;
+ for (i = 1; i < argc; i++) {
+ if (*argv[i] != '-')
+ {
+ cfg_filename = argv[i];
+ }
+ else if (!strcmp(argv[i], "--device"))
+ {
+ if (i+1 >= argc)
+ {
+ usage(argv[0]);
+ exit(-1);
+ }
+ device_description = argv[++i];
+ }
+ else if (!strcmp(argv[i], "--read-eeprom"))
+ {
+ command = COMMAND_READ;
+ }
+ else if (!strcmp(argv[i], "--erase-eeprom"))
+ {
+ command = COMMAND_ERASE;
+ }
+ else if (!strcmp(argv[i], "--flash-eeprom"))
+ {
+ command = COMMAND_FLASH;
+ }
+ else if (!strcmp(argv[i], "--build-eeprom"))
+ {
+ command = COMMAND_BUILD;
+ }
else
{
- printf ("Can't open configuration file\n");
- exit (-1);
+ usage(argv[0]);
+ exit(-1);
}
- argc_filename = 2;
}
- else
+
+ if (!cfg_filename)
{
- argc_filename = 1;
+ usage(argv[0]);
+ exit(-1);
}
- if ((fp = fopen(argv[argc_filename], "r")) == NULL)
+ if ((fp = fopen(cfg_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]);
+ cfg_parse(cfg, cfg_filename);
filename = cfg_getstr(cfg, "filename");
if (cfg_getbool(cfg, "self_powered") && cfg_getint(cfg, "max_power") > 0)
return EXIT_FAILURE;
}
- if (_read > 0 || _erase > 0 || _flash > 0)
+ if (device_description != NULL)
+ {
+ i = ftdi_usb_open_string(ftdi, device_description);
+
+ if (i != 0)
+ {
+ printf("Unable to find FTDI device with description: %s\n",
+ device_description);
+ printf("Error code: %d (%s)\n", i, ftdi_get_error_string(ftdi));
+ exit (-1);
+ }
+ }
+ else if (command > 0)
{
int vendor_id = cfg_getint(cfg, "vendor_id");
int product_id = cfg_getint(cfg, "product_id");
}
}
}
- ftdi_eeprom_initdefaults (ftdi, cfg_getstr(cfg, "manufacturer"),
- cfg_getstr(cfg, "product"),
+ 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)
+ if (command == COMMAND_READ)
{
ftdi_eeprom_decode(ftdi, 0 /* debug: 1 */);
}
if (filename != NULL && strlen(filename) > 0)
{
-
FILE *fp = fopen (filename, "wb");
- fwrite (eeprom_buf, 1, my_eeprom_size, fp);
- fclose (fp);
+
+ if(fp)
+ {
+ fwrite(eeprom_buf, 1, my_eeprom_size, fp);
+ fclose(fp);
+ }
+ else
+ fprintf(stderr, "Could not open output file %s: %s\n", filename, strerror(errno));
}
else
{
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));
+
+ if (ftdi->type == TYPE_R)
+ {
+ if (cfg_getint(cfg, "cbus0") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_0, cfg_getint(cfg, "cbus0"));
+ if (cfg_getint(cfg, "cbus1") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_1, cfg_getint(cfg, "cbus1"));
+ if (cfg_getint(cfg, "cbus2") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_2, cfg_getint(cfg, "cbus2"));
+ if (cfg_getint(cfg, "cbus3") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_3, cfg_getint(cfg, "cbus3"));
+ if (cfg_getint(cfg, "cbus4") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_4, cfg_getint(cfg, "cbus4"));
+ }
+ else if (ftdi->type == TYPE_232H)
+ {
+ if (cfg_getint(cfg, "cbush0") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_0, cfg_getint(cfg, "cbush0"));
+ if (cfg_getint(cfg, "cbush1") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_1, cfg_getint(cfg, "cbush1"));
+ if (cfg_getint(cfg, "cbush2") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_2, cfg_getint(cfg, "cbush2"));
+ if (cfg_getint(cfg, "cbush3") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_3, cfg_getint(cfg, "cbush3"));
+ if (cfg_getint(cfg, "cbush4") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_4, cfg_getint(cfg, "cbush4"));
+ if (cfg_getint(cfg, "cbush5") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_5, cfg_getint(cfg, "cbush5"));
+ if (cfg_getint(cfg, "cbush6") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_6, cfg_getint(cfg, "cbush6"));
+ if (cfg_getint(cfg, "cbush7") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_7, cfg_getint(cfg, "cbush7"));
+ if (cfg_getint(cfg, "cbush8") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_8, cfg_getint(cfg, "cbush8"));
+ if (cfg_getint(cfg, "cbush9") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_9, cfg_getint(cfg, "cbush9"));
+ }
+ else if (ftdi->type == TYPE_230X)
+ {
+ if (cfg_getint(cfg, "cbusx0") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_0, cfg_getint(cfg, "cbusx0"));
+ if (cfg_getint(cfg, "cbusx1") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_1, cfg_getint(cfg, "cbusx1"));
+ if (cfg_getint(cfg, "cbusx2") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_2, cfg_getint(cfg, "cbusx2"));
+ if (cfg_getint(cfg, "cbusx3") != -1)
+ eeprom_set_value(ftdi, CBUS_FUNCTION_3, cfg_getint(cfg, "cbusx3"));
+ }
+
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_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 (cfg_getint(cfg, "cha_type") != -1)
+ eeprom_set_value(ftdi, CHANNEL_A_TYPE, cfg_getint(cfg, "cha_type"));
+ if (cfg_getint(cfg, "chb_type") != -1)
+ eeprom_set_value(ftdi, CHANNEL_B_TYPE, cfg_getint(cfg, "chb_type"));
+
+ eeprom_set_value(ftdi, CHANNEL_A_DRIVER,
+ cfg_getbool(cfg, "cha_vcp") ? DRIVER_VCP : 0);
+ eeprom_set_value(ftdi, CHANNEL_B_DRIVER,
+ cfg_getbool(cfg, "chb_vcp") ? DRIVER_VCP : 0);
+ eeprom_set_value(ftdi, CHANNEL_C_DRIVER,
+ cfg_getbool(cfg, "chc_vcp") ? DRIVER_VCP : 0);
+ eeprom_set_value(ftdi, CHANNEL_D_DRIVER,
+ cfg_getbool(cfg, "chd_vcp") ? DRIVER_VCP : 0);
+
+ eeprom_set_value(ftdi, CHANNEL_A_RS485, cfg_getbool(cfg, "cha_rs485"));
+ eeprom_set_value(ftdi, CHANNEL_B_RS485, cfg_getbool(cfg, "chb_rs485"));
+ eeprom_set_value(ftdi, CHANNEL_C_RS485, cfg_getbool(cfg, "chc_rs485"));
+ eeprom_set_value(ftdi, CHANNEL_D_RS485, cfg_getbool(cfg, "chd_rs485"));
+
+ /* Arbitrary user data */
+ eeprom_set_value(ftdi, USER_DATA_ADDR, cfg_getint(cfg, "user_data_addr"));
+ user_data_file = cfg_getstr(cfg, "user_data_file");
+ if (user_data_file && strlen(user_data_file) > 0)
+ {
+ int data_size;
+ struct stat st;
+
+ printf("User data file: %s\n", user_data_file);
+ /* Allocate a buffer for the user data */
+ user_data_buffer = (char *)malloc(max_eeprom_size);
+ if (user_data_buffer == NULL)
+ {
+ fprintf(stderr, "Malloc failed, aborting\n");
+ goto cleanup;
+ }
- if (_erase > 0)
+ if (stat(user_data_file, &st))
+ {
+ printf ("Can't stat user data file %s.\n", user_data_file);
+ exit (-1);
+ }
+ if (st.st_size > max_eeprom_size)
+ printf("Warning: %s is too big, only reading %d bytes\n",
+ user_data_file, max_eeprom_size);
+ /* Read the user data file, no more than max_eeprom_size bytes */
+ FILE *fp = fopen(user_data_file, "rb");
+ if (fp == NULL)
+ {
+ printf ("Can't open user data file %s.\n", user_data_file);
+ exit (-1);
+ }
+ data_size = fread(user_data_buffer, 1, max_eeprom_size, fp);
+ fclose(fp);
+ if (data_size < 1)
+ {
+ printf ("Can't read user data file %s.\n", user_data_file);
+ exit (-1);
+ }
+ printf("User data size: %d\n", data_size);
+
+ ftdi_set_eeprom_user_data(ftdi, user_data_buffer, data_size);
+ }
+
+
+ if (command == COMMAND_ERASE)
{
printf("FTDI erase eeprom: %d\n", ftdi_erase_eeprom(ftdi));
}
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);
+ printf ("Sorry, the eeprom can only contain %d bytes.\n", my_eeprom_size);
goto cleanup;
- } else if (size_check < 0) {
+ }
+ else if (size_check < 0)
+ {
printf ("ftdi_eeprom_build(): error: %d\n", size_check);
+ goto cleanup;
}
else
{
printf ("Used eeprom space: %d bytes\n", my_eeprom_size-size_check);
}
- if (_flash > 0)
+ if (command == COMMAND_FLASH)
{
if (cfg_getbool(cfg, "flash_raw"))
{
exit (-1);
}
+ printf("Flashing raw eeprom from file %s (%d bytes)\n",
+ filename, my_eeprom_size);
+
ftdi_set_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
+ } else
+ {
+ printf ("ERROR: flash_raw mode enabled, but no eeprom filename "
+ "given in config file.\n");
+ exit (-1);
}
}
printf ("FTDI write eeprom: %d\n", ftdi_write_eeprom(ftdi));
cleanup:
if (eeprom_buf)
free(eeprom_buf);
- if (_read > 0 || _erase > 0 || _flash > 0)
+ if (user_data_buffer)
+ free(user_data_buffer);
+ if (command > 0)
{
printf("FTDI close: %d\n", ftdi_usb_close(ftdi));
}