[libftdi] / ftdi_eeprom / main.c

/***************************************************************************
                             main.c  -  description
                           -------------------
    begin                : Mon Apr  7 12:05:22 CEST 2003
    copyright            : (C) 2003-2011 by Intra2net AG and the libftdi developers
    email                : opensource@intra2net.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License version 2 as     *
 *   published by the Free Software Foundation.                            *
 *                                                                         *
 ***************************************************************************/

/*
 TODO:
    - Merge Uwe's eeprom tool. Current features:
        - Init eeprom defaults based upon eeprom type
        - Read -> Already there
        - Write -> Already there
        - Erase -> Already there
        - Decode on stdout
        - Ability to find device by PID/VID, product name or serial

 TODO nice-to-have:
    - Out-of-the-box compatibility with FTDI's eeprom tool configuration files
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <confuse.h>
#include <ftdi.h>
#include <ftdi_eeprom_version.h>

static int str_to_cbus(char *str, int max_allowed)
{
    #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"};
    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;
        }
    }
    printf("WARNING: Invalid cbus option '%s'\n", str);
    return 0;
}

/**
 * @brief Set eeprom value
 *
 * \param ftdi pointer to ftdi_context
 * \param value_name Enum of the value to set
 * \param value Value to set
 *
 * Function will abort the program on error
 **/
static void eeprom_set_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int value)
{
    if (ftdi_set_eeprom_value(ftdi, value_name, value) < 0)
    {
        printf("Unable to set eeprom value %d: %s. Aborting\n", value_name, ftdi_get_error_string(ftdi));
        exit (-1);
    }
}

/**
 * @brief Get eeprom value
 *
 * \param ftdi pointer to ftdi_context
 * \param value_name Enum of the value to get
 * \param value Value to get
 *
 * Function will abort the program on error
 **/
static void eeprom_get_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int *value)
{
    if (ftdi_get_eeprom_value(ftdi, value_name, value) < 0)
    {
        printf("Unable to get eeprom value %d: %s. Aborting\n", value_name, ftdi_get_error_string(ftdi));
        exit (-1);
    }
}

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 <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;
        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, 0 /* debug: 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));
    }

    // 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;
}
Commit	Line	Data
e47d7975 TJ	1	/***************************************************************************
	2	main.c - description
	3	-------------------
	4	begin : Mon Apr 7 12:05:22 CEST 2003
8a987aa2	5	copyright : (C) 2003-2011 by Intra2net AG and the libftdi developers
e47d7975 TJ	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 General Public License version 2 as *
	13	* published by the Free Software Foundation. *
	14	* *
	15	***************************************************************************/
	16
8a987aa2 TJ	17	/*
8a987aa2 TJ	18	TODO:
8a987aa2 TJ	19	- Merge Uwe's eeprom tool. Current features:
	20	- Init eeprom defaults based upon eeprom type
	21	- Read -> Already there
	22	- Write -> Already there
	23	- Erase -> Already there
	24	- Decode on stdout
	25	- Ability to find device by PID/VID, product name or serial
	26
	27	TODO nice-to-have:
	28	- Out-of-the-box compatibility with FTDI's eeprom tool configuration files
	29	*/
	30
e47d7975 TJ	31	#ifdef HAVE_CONFIG_H
	32	#include <config.h>
	33	#endif
	34
	35	#include <stdlib.h>
	36	#include <stdio.h>
	37	#include <string.h>
	38
	39	#include <confuse.h>
	40	#include <ftdi.h>
ade814a5	41	#include <ftdi_eeprom_version.h>
e47d7975	42
d327f924	43	static int str_to_cbus(char *str, int max_allowed)
e47d7975 TJ	44	{
	45	#define MAX_OPTION 14
	46	const char* options[MAX_OPTION] = {
	47	"TXDEN", "PWREN", "RXLED", "TXLED", "TXRXLED", "SLEEP",
	48	"CLK48", "CLK24", "CLK12", "CLK6",
	49	"IO_MODE", "BITBANG_WR", "BITBANG_RD", "SPECIAL"};
	50	int i;
	51	max_allowed += 1;
	52	if (max_allowed > MAX_OPTION) max_allowed = MAX_OPTION;
	53	for (i=0; i<max_allowed; i++) {
	54	if (!(strcmp(options[i], str))) {
	55	return i;
	56	}
	57	}
	58	printf("WARNING: Invalid cbus option '%s'\n", str);
	59	return 0;
	60	}
	61
d327f924 TJ	62	/**
	63	* @brief Set eeprom value
	64	*
	65	* \param ftdi pointer to ftdi_context
	66	* \param value_name Enum of the value to set
	67	* \param value Value to set
	68	*
	69	* Function will abort the program on error
	70	**/
	71	static void eeprom_set_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int value)
	72	{
	73	if (ftdi_set_eeprom_value(ftdi, value_name, value) < 0)
	74	{
	75	printf("Unable to set eeprom value %d: %s. Aborting\n", value_name, ftdi_get_error_string(ftdi));
	76	exit (-1);
	77	}
	78	}
	79
	80	/**
	81	* @brief Get eeprom value
	82	*
	83	* \param ftdi pointer to ftdi_context
	84	* \param value_name Enum of the value to get
	85	* \param value Value to get
	86	*
	87	* Function will abort the program on error
	88	**/
	89	static void eeprom_get_value(struct ftdi_context ftdi, enum ftdi_eeprom_value value_name, int value)
	90	{
	91	if (ftdi_get_eeprom_value(ftdi, value_name, value) < 0)
	92	{
	93	printf("Unable to get eeprom value %d: %s. Aborting\n", value_name, ftdi_get_error_string(ftdi));
	94	exit (-1);
	95	}
	96	}
	97
e47d7975 TJ	98	int main(int argc, char *argv[])
	99	{
	100	/*
	101	configuration options
	102	*/
	103	cfg_opt_t opts[] =
	104	{
	105	CFG_INT("vendor_id", 0, 0),
	106	CFG_INT("product_id", 0, 0),
	107	CFG_BOOL("self_powered", cfg_true, 0),
	108	CFG_BOOL("remote_wakeup", cfg_true, 0),
e47d7975 TJ	109	CFG_BOOL("in_is_isochronous", cfg_false, 0),
	110	CFG_BOOL("out_is_isochronous", cfg_false, 0),
	111	CFG_BOOL("suspend_pull_downs", cfg_false, 0),
	112	CFG_BOOL("use_serial", cfg_false, 0),
	113	CFG_BOOL("change_usb_version", cfg_false, 0),
	114	CFG_INT("usb_version", 0, 0),
89e7cfb5	115	CFG_INT("default_pid", 0x6001, 0),
e47d7975 TJ	116	CFG_INT("max_power", 0, 0),
	117	CFG_STR("manufacturer", "Acme Inc.", 0),
	118	CFG_STR("product", "USB Serial Converter", 0),
	119	CFG_STR("serial", "08-15", 0),
faa85774	120	CFG_INT("eeprom_type", 0x00, 0),
e47d7975 TJ	121	CFG_STR("filename", "", 0),
	122	CFG_BOOL("flash_raw", cfg_false, 0),
	123	CFG_BOOL("high_current", cfg_false, 0),
	124	CFG_STR_LIST("cbus0", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
	125	CFG_STR_LIST("cbus1", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
	126	CFG_STR_LIST("cbus2", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
	127	CFG_STR_LIST("cbus3", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
	128	CFG_STR_LIST("cbus4", "{TXDEN,PWRON,RXLED,TXLED,TX_RX_LED,SLEEP,CLK48,CLK24,CLK12,CLK6}", 0),
	129	CFG_BOOL("invert_txd", cfg_false, 0),
	130	CFG_BOOL("invert_rxd", cfg_false, 0),
	131	CFG_BOOL("invert_rts", cfg_false, 0),
	132	CFG_BOOL("invert_cts", cfg_false, 0),
	133	CFG_BOOL("invert_dtr", cfg_false, 0),
	134	CFG_BOOL("invert_dsr", cfg_false, 0),
	135	CFG_BOOL("invert_dcd", cfg_false, 0),
	136	CFG_BOOL("invert_ri", cfg_false, 0),
	137	CFG_END()
	138	};
	139	cfg_t *cfg;
	140
	141	/*
	142	normal variables
	143	*/
	144	int _read = 0, _erase = 0, _flash = 0;
200bd3ed	145
faa85774	146	const int max_eeprom_size = 256;
785ddbca	147	int my_eeprom_size = 0;
4359228a	148	unsigned char *eeprom_buf = NULL;
e47d7975 TJ	149	char *filename;
	150	int size_check;
	151	int i, argc_filename;
	152	FILE *fp;
	153
de4871c4	154	struct ftdi_context *ftdi = NULL;
e47d7975	155
ade814a5	156	printf("\nFTDI eeprom generator v%s\n", EEPROM_VERSION_STRING);
8a987aa2	157	printf ("(c) Intra2net AG and the libftdi developers <opensource@intra2net.com>\n");
e47d7975 TJ	158
	159	if (argc != 2 && argc != 3)
	160	{
	161	printf("Syntax: %s [commands] config-file\n", argv[0]);
	162	printf("Valid commands:\n");
	163	printf("--read-eeprom Read eeprom and write to -filename- from config-file\n");
	164	printf("--erase-eeprom Erase eeprom\n");
	165	printf("--flash-eeprom Flash eeprom\n");
	166	exit (-1);
	167	}
	168
	169	if (argc == 3)
	170	{
	171	if (strcmp(argv[1], "--read-eeprom") == 0)
	172	_read = 1;
94c637b8	173	else if (strcmp(argv[1], "--erase-eeprom") == 0)
e47d7975	174	_erase = 1;
94c637b8	175	else if (strcmp(argv[1], "--flash-eeprom") == 0)
e47d7975	176	_flash = 1;
94c637b8 UB	177	else
	178	{
	179	printf ("Can't open configuration file\n");
	180	exit (-1);
	181	}
e47d7975 TJ	182	argc_filename = 2;
	183	}
	184	else
	185	{
	186	argc_filename = 1;
	187	}
	188
	189	if ((fp = fopen(argv[argc_filename], "r")) == NULL)
	190	{
	191	printf ("Can't open configuration file\n");
	192	exit (-1);
	193	}
	194	fclose (fp);
	195
	196	cfg = cfg_init(opts, 0);
	197	cfg_parse(cfg, argv[argc_filename]);
	198	filename = cfg_getstr(cfg, "filename");
	199
	200	if (cfg_getbool(cfg, "self_powered") && cfg_getint(cfg, "max_power") > 0)
	201	printf("Hint: Self powered devices should have a max_power setting of 0.\n");
	202
de4871c4 TJ	203	if ((ftdi = ftdi_new()) == 0)
	204	{
	205	fprintf(stderr, "Failed to allocate ftdi structure :%s \n",
	206	ftdi_get_error_string(ftdi));
	207	return EXIT_FAILURE;
	208	}
	209
e47d7975 TJ	210	if (_read > 0 \|\| _erase > 0 \|\| _flash > 0)
e47d7975 TJ	211	{
7bdae7cd UB	212	int vendor_id = cfg_getint(cfg, "vendor_id");
7bdae7cd UB	213	int product_id = cfg_getint(cfg, "product_id");
d327f924 TJ	214
d327f924 TJ	215	i = ftdi_usb_open(ftdi, vendor_id, product_id);
e47d7975	216
e8d32978	217	if (i != 0)
e47d7975	218	{
89e7cfb5	219	int default_pid = cfg_getint(cfg, "default_pid");
d327f924	220	printf("Unable to find FTDI devices under given vendor/product id: 0x%X/0x%X\n", vendor_id, product_id);
de4871c4	221	printf("Error code: %d (%s)\n", i, ftdi_get_error_string(ftdi));
89e7cfb5	222	printf("Retrying with default FTDI pid=%#04x.\n", default_pid);
e47d7975	223
89e7cfb5	224	i = ftdi_usb_open(ftdi, 0x0403, default_pid);
e47d7975 TJ	225	if (i != 0)
e47d7975 TJ	226	{
de4871c4	227	printf("Error: %s\n", ftdi->error_str);
e47d7975 TJ	228	exit (-1);
	229	}
	230	}
	231	}
e8d32978 UB	232	ftdi_eeprom_initdefaults (ftdi, cfg_getstr(cfg, "manufacturer"),
	233	cfg_getstr(cfg, "product"),
	234	cfg_getstr(cfg, "serial"));
faa85774	235
e8d32978 UB	236	printf("FTDI read eeprom: %d\n", ftdi_read_eeprom(ftdi));
e8d32978 UB	237	eeprom_get_value(ftdi, CHIP_SIZE, &my_eeprom_size);
e8d32978	238	printf("EEPROM size: %d\n", my_eeprom_size);
faa85774	239
e47d7975 TJ	240	if (_read > 0)
e47d7975 TJ	241	{
61620879	242	ftdi_eeprom_decode(ftdi, 0 /* debug: 1 */);
e47d7975	243
4359228a UB	244	eeprom_buf = malloc(my_eeprom_size);
	245	ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
	246
	247	if (eeprom_buf == NULL)
	248	{
	249	fprintf(stderr, "Malloc failed, aborting\n");
	250	goto cleanup;
	251	}
e47d7975 TJ	252	if (filename != NULL && strlen(filename) > 0)
e47d7975 TJ	253	{
200bd3ed	254
e47d7975	255	FILE *fp = fopen (filename, "wb");
200bd3ed	256	fwrite (eeprom_buf, 1, my_eeprom_size, fp);
e47d7975 TJ	257	fclose (fp);
	258	}
	259	else
	260	{
	261	printf("Warning: Not writing eeprom, you must supply a valid filename\n");
	262	}
	263
	264	goto cleanup;
	265	}
	266
7bdae7cd UB	267	eeprom_set_value(ftdi, VENDOR_ID, cfg_getint(cfg, "vendor_id"));
	268	eeprom_set_value(ftdi, PRODUCT_ID, cfg_getint(cfg, "product_id"));
	269
7bdae7cd UB	270	eeprom_set_value(ftdi, SELF_POWERED, cfg_getbool(cfg, "self_powered"));
	271	eeprom_set_value(ftdi, REMOTE_WAKEUP, cfg_getbool(cfg, "remote_wakeup"));
	272	eeprom_set_value(ftdi, MAX_POWER, cfg_getint(cfg, "max_power"));
	273
	274	eeprom_set_value(ftdi, IN_IS_ISOCHRONOUS, cfg_getbool(cfg, "in_is_isochronous"));
	275	eeprom_set_value(ftdi, OUT_IS_ISOCHRONOUS, cfg_getbool(cfg, "out_is_isochronous"));
	276	eeprom_set_value(ftdi, SUSPEND_PULL_DOWNS, cfg_getbool(cfg, "suspend_pull_downs"));
	277
	278	eeprom_set_value(ftdi, USE_SERIAL, cfg_getbool(cfg, "use_serial"));
	279	eeprom_set_value(ftdi, USE_USB_VERSION, cfg_getbool(cfg, "change_usb_version"));
	280	eeprom_set_value(ftdi, USB_VERSION, cfg_getint(cfg, "usb_version"));
faa85774	281	eeprom_set_value(ftdi, CHIP_TYPE, cfg_getint(cfg, "eeprom_type"));
7bdae7cd UB	282
	283	eeprom_set_value(ftdi, HIGH_CURRENT, cfg_getbool(cfg, "high_current"));
	284	eeprom_set_value(ftdi, CBUS_FUNCTION_0, str_to_cbus(cfg_getstr(cfg, "cbus0"), 13));
	285	eeprom_set_value(ftdi, CBUS_FUNCTION_1, str_to_cbus(cfg_getstr(cfg, "cbus1"), 13));
	286	eeprom_set_value(ftdi, CBUS_FUNCTION_2, str_to_cbus(cfg_getstr(cfg, "cbus2"), 13));
	287	eeprom_set_value(ftdi, CBUS_FUNCTION_3, str_to_cbus(cfg_getstr(cfg, "cbus3"), 13));
	288	eeprom_set_value(ftdi, CBUS_FUNCTION_4, str_to_cbus(cfg_getstr(cfg, "cbus4"), 9));
	289	int invert = 0;
	290	if (cfg_getbool(cfg, "invert_rxd")) invert \|= INVERT_RXD;
	291	if (cfg_getbool(cfg, "invert_txd")) invert \|= INVERT_TXD;
	292	if (cfg_getbool(cfg, "invert_rts")) invert \|= INVERT_RTS;
	293	if (cfg_getbool(cfg, "invert_cts")) invert \|= INVERT_CTS;
	294	if (cfg_getbool(cfg, "invert_dtr")) invert \|= INVERT_DTR;
	295	if (cfg_getbool(cfg, "invert_dsr")) invert \|= INVERT_DSR;
	296	if (cfg_getbool(cfg, "invert_dcd")) invert \|= INVERT_DCD;
	297	if (cfg_getbool(cfg, "invert_ri")) invert \|= INVERT_RI;
	298	eeprom_set_value(ftdi, INVERT, invert);
	299
be4bae37 AL	300	eeprom_set_value(ftdi, CHANNEL_A_DRIVER, DRIVER_VCP);
	301	eeprom_set_value(ftdi, CHANNEL_B_DRIVER, DRIVER_VCP);
	302	eeprom_set_value(ftdi, CHANNEL_C_DRIVER, DRIVER_VCP);
	303	eeprom_set_value(ftdi, CHANNEL_D_DRIVER, DRIVER_VCP);
	304	eeprom_set_value(ftdi, CHANNEL_A_RS485, 0);
	305	eeprom_set_value(ftdi, CHANNEL_B_RS485, 0);
	306	eeprom_set_value(ftdi, CHANNEL_C_RS485, 0);
	307	eeprom_set_value(ftdi, CHANNEL_D_RS485, 0);
	308
e47d7975 TJ	309	if (_erase > 0)
e47d7975 TJ	310	{
de4871c4	311	printf("FTDI erase eeprom: %d\n", ftdi_erase_eeprom(ftdi));
e47d7975 TJ	312	}
e47d7975 TJ	313
de4871c4	314	size_check = ftdi_eeprom_build(ftdi);
faa85774	315	eeprom_get_value(ftdi, CHIP_SIZE, &my_eeprom_size);
e47d7975 TJ	316
	317	if (size_check == -1)
	318	{
	319	printf ("Sorry, the eeprom can only contain 128 bytes (100 bytes for your strings).\n");
	320	printf ("You need to short your string by: %d bytes\n", size_check);
	321	goto cleanup;
	322	} else if (size_check < 0) {
	323	printf ("ftdi_eeprom_build(): error: %d\n", size_check);
	324	}
	325	else
	326	{
200bd3ed	327	printf ("Used eeprom space: %d bytes\n", my_eeprom_size-size_check);
e47d7975 TJ	328	}
	329
	330	if (_flash > 0)
	331	{
	332	if (cfg_getbool(cfg, "flash_raw"))
	333	{
	334	if (filename != NULL && strlen(filename) > 0)
	335	{
faa85774	336	eeprom_buf = malloc(max_eeprom_size);
e47d7975	337	FILE *fp = fopen(filename, "rb");
faa85774 AL	338	if (fp == NULL)
	339	{
	340	printf ("Can't open eeprom file %s.\n", filename);
	341	exit (-1);
	342	}
	343	my_eeprom_size = fread(eeprom_buf, 1, max_eeprom_size, fp);
e47d7975	344	fclose(fp);
faa85774 AL	345	if (my_eeprom_size < 128)
	346	{
	347	printf ("Can't read eeprom file %s.\n", filename);
	348	exit (-1);
	349	}
200bd3ed	350
98c974c7	351	ftdi_set_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
e47d7975 TJ	352	}
e47d7975 TJ	353	}
de4871c4	354	printf ("FTDI write eeprom: %d\n", ftdi_write_eeprom(ftdi));
e47d7975 TJ	355	}
	356
	357	// Write to file?
643a89ea	358	if (filename != NULL && strlen(filename) > 0 && !cfg_getbool(cfg, "flash_raw"))
e47d7975 TJ	359	{
	360	fp = fopen(filename, "w");
	361	if (fp == NULL)
	362	{
	363	printf ("Can't write eeprom file.\n");
	364	exit (-1);
	365	}
	366	else
	367	printf ("Writing to file: %s\n", filename);
	368
243f5f66 AL	369	if (eeprom_buf == NULL)
243f5f66 AL	370	eeprom_buf = malloc(my_eeprom_size);
200bd3ed TJ	371	ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
	372
	373	fwrite(eeprom_buf, my_eeprom_size, 1, fp);
e47d7975 TJ	374	fclose(fp);
	375	}
	376
	377	cleanup:
4359228a UB	378	if (eeprom_buf)
4359228a UB	379	free(eeprom_buf);
e47d7975 TJ	380	if (_read > 0 \|\| _erase > 0 \|\| _flash > 0)
e47d7975 TJ	381	{
de4871c4	382	printf("FTDI close: %d\n", ftdi_usb_close(ftdi));
e47d7975 TJ	383	}
e47d7975 TJ	384
de4871c4	385	ftdi_deinit (ftdi);
4e494b76	386	ftdi_free (ftdi);
e47d7975 TJ	387
	388	cfg_free(cfg);
	389
	390	printf("\n");
	391	return 0;
	392	}