[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:
    - Remove 128 bytes limit
    - 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_STR_LIST("chip_type", "{BM,R,other}", 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_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;

    int my_eeprom_size = 0;
    unsigned char eeprom_buf[FTDI_MAX_EEPROM_SIZE];
    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);
    // TODO: Do we know the eeprom size already?
    printf("EEPROM size: %d\n", my_eeprom_size);
    
    if (_read > 0)
    {

        ftdi_eeprom_decode(ftdi, 0);
        /* Debug output */
        /*
        const char* chip_types[] = {"other", "BM", "R"};
        printf("vendor_id = \"%04x\"\n", eeprom->vendor_id);
        printf("product_id = \"%04x\"\n", eeprom->product_id);
        printf("chip_type = \"%s\"\n",
          (eeprom->chip_type > 0x06) || (eeprom->chip_type & 0x01) ? "unknown":
          chip_types[eeprom->chip_type>>1]);
        printf("self_powered = \"%s\"\n", eeprom->self_powered?"true":"false");
        printf("remote_wakeup = \"%s\"\n", eeprom->remote_wakeup?"true":"false");
        printf("max_power = \"%d\"\n", eeprom->max_power);
        printf("in_is_isochronous = \"%s\"\n", eeprom->in_is_isochronous?"true":"false");
        printf("out_is_isochronous = \"%s\"\n", eeprom->out_is_isochronous?"true":"false");
        printf("suspend_pull_downs = \"%s\"\n", eeprom->suspend_pull_downs?"true":"false");
        printf("use_serial = \"%s\"\n", eeprom->use_serial?"true":"false");
        printf("change_usb_version = \"%s\"\n", eeprom->change_usb_version?"true":"false");
        printf("usb_version = \"%d\"\n", eeprom->usb_version);
        printf("manufacturer = \"%s\"\n", eeprom->manufacturer);
        printf("product = \"%s\"\n", eeprom->product);
        printf("serial = \"%s\"\n", eeprom->serial);
        */

        if (filename != NULL && strlen(filename) > 0)
        {
            ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);

            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, 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);

    if (_erase > 0)
    {
        printf("FTDI erase eeprom: %d\n", ftdi_erase_eeprom(ftdi));
    }

    size_check = ftdi_eeprom_build(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);
        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)
            {
                FILE *fp = fopen(filename, "rb");
                fread(eeprom_buf, 1, my_eeprom_size, fp);
                fclose(fp);

                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);

        ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);

        fwrite(eeprom_buf, my_eeprom_size, 1, fp);
        fclose(fp);
    }

cleanup:
    if (_read > 0 || _erase > 0 || _flash > 0)
    {
        printf("FTDI close: %d\n", ftdi_usb_close(ftdi));
    }

    ftdi_deinit (ftdi);

    cfg_free(cfg);

    printf("\n");
    return 0;
}
Commit	Line	Data
	1	/***************************************************************************
	2	main.c - description
	3	-------------------
	4	begin : Mon Apr 7 12:05:22 CEST 2003
	5	copyright : (C) 2003-2011 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 General Public License version 2 as *
	13	* published by the Free Software Foundation. *
	14	* *
	15	***************************************************************************/
	16
	17	/*
	18	TODO:
	19	- Remove 128 bytes limit
	20	- Merge Uwe's eeprom tool. Current features:
	21	- Init eeprom defaults based upon eeprom type
	22	- Read -> Already there
	23	- Write -> Already there
	24	- Erase -> Already there
	25	- Decode on stdout
	26	- Ability to find device by PID/VID, product name or serial
	27
	28	TODO nice-to-have:
	29	- Out-of-the-box compatibility with FTDI's eeprom tool configuration files
	30	*/
	31
	32	#ifdef HAVE_CONFIG_H
	33	#include <config.h>
	34	#endif
	35
	36	#include <stdlib.h>
	37	#include <stdio.h>
	38	#include <string.h>
	39
	40	#include <confuse.h>
	41	#include <ftdi.h>
	42	#include <ftdi_eeprom_version.h>
	43
	44	static int str_to_cbus(char *str, int max_allowed)
	45	{
	46	#define MAX_OPTION 14
	47	const char* options[MAX_OPTION] = {
	48	"TXDEN", "PWREN", "RXLED", "TXLED", "TXRXLED", "SLEEP",
	49	"CLK48", "CLK24", "CLK12", "CLK6",
	50	"IO_MODE", "BITBANG_WR", "BITBANG_RD", "SPECIAL"};
	51	int i;
	52	max_allowed += 1;
	53	if (max_allowed > MAX_OPTION) max_allowed = MAX_OPTION;
	54	for (i=0; i<max_allowed; i++) {
	55	if (!(strcmp(options[i], str))) {
	56	return i;
	57	}
	58	}
	59	printf("WARNING: Invalid cbus option '%s'\n", str);
	60	return 0;
	61	}
	62
	63	/**
	64	* @brief Set eeprom value
	65	*
	66	* \param ftdi pointer to ftdi_context
	67	* \param value_name Enum of the value to set
	68	* \param value Value to set
	69	*
	70	* Function will abort the program on error
	71	**/
	72	static void eeprom_set_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int value)
	73	{
	74	if (ftdi_set_eeprom_value(ftdi, value_name, value) < 0)
	75	{
	76	printf("Unable to set eeprom value %d: %s. Aborting\n", value_name, ftdi_get_error_string(ftdi));
	77	exit (-1);
	78	}
	79	}
	80
	81	/**
	82	* @brief Get eeprom value
	83	*
	84	* \param ftdi pointer to ftdi_context
	85	* \param value_name Enum of the value to get
	86	* \param value Value to get
	87	*
	88	* Function will abort the program on error
	89	**/
	90	static void eeprom_get_value(struct ftdi_context ftdi, enum ftdi_eeprom_value value_name, int value)
	91	{
	92	if (ftdi_get_eeprom_value(ftdi, value_name, value) < 0)
	93	{
	94	printf("Unable to get eeprom value %d: %s. Aborting\n", value_name, ftdi_get_error_string(ftdi));
	95	exit (-1);
	96	}
	97	}
	98
	99	int main(int argc, char *argv[])
	100	{
	101	/*
	102	configuration options
	103	*/
	104	cfg_opt_t opts[] =
	105	{
	106	CFG_INT("vendor_id", 0, 0),
	107	CFG_INT("product_id", 0, 0),
	108	CFG_BOOL("self_powered", cfg_true, 0),
	109	CFG_BOOL("remote_wakeup", cfg_true, 0),
	110	CFG_STR_LIST("chip_type", "{BM,R,other}", 0),
	111	CFG_BOOL("in_is_isochronous", cfg_false, 0),
	112	CFG_BOOL("out_is_isochronous", cfg_false, 0),
	113	CFG_BOOL("suspend_pull_downs", cfg_false, 0),
	114	CFG_BOOL("use_serial", cfg_false, 0),
	115	CFG_BOOL("change_usb_version", cfg_false, 0),
	116	CFG_INT("usb_version", 0, 0),
	117	CFG_INT("default_pid", 0x6001, 0),
	118	CFG_INT("max_power", 0, 0),
	119	CFG_STR("manufacturer", "Acme Inc.", 0),
	120	CFG_STR("product", "USB Serial Converter", 0),
	121	CFG_STR("serial", "08-15", 0),
	122	CFG_STR("filename", "", 0),
	123	CFG_BOOL("flash_raw", cfg_false, 0),
	124	CFG_BOOL("high_current", cfg_false, 0),
	125	CFG_STR_LIST("cbus0", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
	126	CFG_STR_LIST("cbus1", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
	127	CFG_STR_LIST("cbus2", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
	128	CFG_STR_LIST("cbus3", "{TXDEN,PWREN,RXLED,TXLED,TXRXLED,SLEEP,CLK48,CLK24,CLK12,CLK6,IO_MODE,BITBANG_WR,BITBANG_RD,SPECIAL}", 0),
	129	CFG_STR_LIST("cbus4", "{TXDEN,PWRON,RXLED,TXLED,TX_RX_LED,SLEEP,CLK48,CLK24,CLK12,CLK6}", 0),
	130	CFG_BOOL("invert_txd", cfg_false, 0),
	131	CFG_BOOL("invert_rxd", cfg_false, 0),
	132	CFG_BOOL("invert_rts", cfg_false, 0),
	133	CFG_BOOL("invert_cts", cfg_false, 0),
	134	CFG_BOOL("invert_dtr", cfg_false, 0),
	135	CFG_BOOL("invert_dsr", cfg_false, 0),
	136	CFG_BOOL("invert_dcd", cfg_false, 0),
	137	CFG_BOOL("invert_ri", cfg_false, 0),
	138	CFG_END()
	139	};
	140	cfg_t *cfg;
	141
	142	/*
	143	normal variables
	144	*/
	145	int _read = 0, _erase = 0, _flash = 0;
	146
	147	int my_eeprom_size = 0;
	148	unsigned char eeprom_buf[FTDI_MAX_EEPROM_SIZE];
	149	char *filename;
	150	int size_check;
	151	int i, argc_filename;
	152	FILE *fp;
	153
	154	struct ftdi_context *ftdi = NULL;
	155
	156	printf("\nFTDI eeprom generator v%s\n", EEPROM_VERSION_STRING);
	157	printf ("(c) Intra2net AG and the libftdi developers <opensource@intra2net.com>\n");
	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;
	173	else if (strcmp(argv[1], "--erase-eeprom") == 0)
	174	_erase = 1;
	175	else if (strcmp(argv[1], "--flash-eeprom") == 0)
	176	_flash = 1;
	177	else
	178	{
	179	printf ("Can't open configuration file\n");
	180	exit (-1);
	181	}
	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
	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
	210	if (_read > 0 \|\| _erase > 0 \|\| _flash > 0)
	211	{
	212	int vendor_id = cfg_getint(cfg, "vendor_id");
	213	int product_id = cfg_getint(cfg, "product_id");
	214
	215	i = ftdi_usb_open(ftdi, vendor_id, product_id);
	216
	217	if (i != 0)
	218	{
	219	int default_pid = cfg_getint(cfg, "default_pid");
	220	printf("Unable to find FTDI devices under given vendor/product id: 0x%X/0x%X\n", vendor_id, product_id);
	221	printf("Error code: %d (%s)\n", i, ftdi_get_error_string(ftdi));
	222	printf("Retrying with default FTDI pid=%#04x.\n", default_pid);
	223
	224	i = ftdi_usb_open(ftdi, 0x0403, default_pid);
	225	if (i != 0)
	226	{
	227	printf("Error: %s\n", ftdi->error_str);
	228	exit (-1);
	229	}
	230	}
	231	}
	232	ftdi_eeprom_initdefaults (ftdi, cfg_getstr(cfg, "manufacturer"),
	233	cfg_getstr(cfg, "product"),
	234	cfg_getstr(cfg, "serial"));
	235
	236	printf("FTDI read eeprom: %d\n", ftdi_read_eeprom(ftdi));
	237	eeprom_get_value(ftdi, CHIP_SIZE, &my_eeprom_size);
	238	// TODO: Do we know the eeprom size already?
	239	printf("EEPROM size: %d\n", my_eeprom_size);
	240
	241	if (_read > 0)
	242	{
	243
	244	ftdi_eeprom_decode(ftdi, 0);
	245	/* Debug output */
	246	/*
	247	const char* chip_types[] = {"other", "BM", "R"};
	248	printf("vendor_id = \"%04x\"\n", eeprom->vendor_id);
	249	printf("product_id = \"%04x\"\n", eeprom->product_id);
	250	printf("chip_type = \"%s\"\n",
	251	(eeprom->chip_type > 0x06) \|\| (eeprom->chip_type & 0x01) ? "unknown":
	252	chip_types[eeprom->chip_type>>1]);
	253	printf("self_powered = \"%s\"\n", eeprom->self_powered?"true":"false");
	254	printf("remote_wakeup = \"%s\"\n", eeprom->remote_wakeup?"true":"false");
	255	printf("max_power = \"%d\"\n", eeprom->max_power);
	256	printf("in_is_isochronous = \"%s\"\n", eeprom->in_is_isochronous?"true":"false");
	257	printf("out_is_isochronous = \"%s\"\n", eeprom->out_is_isochronous?"true":"false");
	258	printf("suspend_pull_downs = \"%s\"\n", eeprom->suspend_pull_downs?"true":"false");
	259	printf("use_serial = \"%s\"\n", eeprom->use_serial?"true":"false");
	260	printf("change_usb_version = \"%s\"\n", eeprom->change_usb_version?"true":"false");
	261	printf("usb_version = \"%d\"\n", eeprom->usb_version);
	262	printf("manufacturer = \"%s\"\n", eeprom->manufacturer);
	263	printf("product = \"%s\"\n", eeprom->product);
	264	printf("serial = \"%s\"\n", eeprom->serial);
	265	*/
	266
	267	if (filename != NULL && strlen(filename) > 0)
	268	{
	269	ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
	270
	271	FILE *fp = fopen (filename, "wb");
	272	fwrite (eeprom_buf, 1, my_eeprom_size, fp);
	273	fclose (fp);
	274	}
	275	else
	276	{
	277	printf("Warning: Not writing eeprom, you must supply a valid filename\n");
	278	}
	279
	280	goto cleanup;
	281	}
	282
	283	eeprom_set_value(ftdi, VENDOR_ID, cfg_getint(cfg, "vendor_id"));
	284	eeprom_set_value(ftdi, PRODUCT_ID, cfg_getint(cfg, "product_id"));
	285
	286	eeprom_set_value(ftdi, SELF_POWERED, cfg_getbool(cfg, "self_powered"));
	287	eeprom_set_value(ftdi, REMOTE_WAKEUP, cfg_getbool(cfg, "remote_wakeup"));
	288	eeprom_set_value(ftdi, MAX_POWER, cfg_getint(cfg, "max_power"));
	289
	290	eeprom_set_value(ftdi, IN_IS_ISOCHRONOUS, cfg_getbool(cfg, "in_is_isochronous"));
	291	eeprom_set_value(ftdi, OUT_IS_ISOCHRONOUS, cfg_getbool(cfg, "out_is_isochronous"));
	292	eeprom_set_value(ftdi, SUSPEND_PULL_DOWNS, cfg_getbool(cfg, "suspend_pull_downs"));
	293
	294	eeprom_set_value(ftdi, USE_SERIAL, cfg_getbool(cfg, "use_serial"));
	295	eeprom_set_value(ftdi, USE_USB_VERSION, cfg_getbool(cfg, "change_usb_version"));
	296	eeprom_set_value(ftdi, USB_VERSION, cfg_getint(cfg, "usb_version"));
	297
	298
	299	eeprom_set_value(ftdi, HIGH_CURRENT, cfg_getbool(cfg, "high_current"));
	300	eeprom_set_value(ftdi, CBUS_FUNCTION_0, str_to_cbus(cfg_getstr(cfg, "cbus0"), 13));
	301	eeprom_set_value(ftdi, CBUS_FUNCTION_1, str_to_cbus(cfg_getstr(cfg, "cbus1"), 13));
	302	eeprom_set_value(ftdi, CBUS_FUNCTION_2, str_to_cbus(cfg_getstr(cfg, "cbus2"), 13));
	303	eeprom_set_value(ftdi, CBUS_FUNCTION_3, str_to_cbus(cfg_getstr(cfg, "cbus3"), 13));
	304	eeprom_set_value(ftdi, CBUS_FUNCTION_4, str_to_cbus(cfg_getstr(cfg, "cbus4"), 9));
	305	int invert = 0;
	306	if (cfg_getbool(cfg, "invert_rxd")) invert \|= INVERT_RXD;
	307	if (cfg_getbool(cfg, "invert_txd")) invert \|= INVERT_TXD;
	308	if (cfg_getbool(cfg, "invert_rts")) invert \|= INVERT_RTS;
	309	if (cfg_getbool(cfg, "invert_cts")) invert \|= INVERT_CTS;
	310	if (cfg_getbool(cfg, "invert_dtr")) invert \|= INVERT_DTR;
	311	if (cfg_getbool(cfg, "invert_dsr")) invert \|= INVERT_DSR;
	312	if (cfg_getbool(cfg, "invert_dcd")) invert \|= INVERT_DCD;
	313	if (cfg_getbool(cfg, "invert_ri")) invert \|= INVERT_RI;
	314	eeprom_set_value(ftdi, INVERT, invert);
	315
	316	if (_erase > 0)
	317	{
	318	printf("FTDI erase eeprom: %d\n", ftdi_erase_eeprom(ftdi));
	319	}
	320
	321	size_check = ftdi_eeprom_build(ftdi);
	322
	323	if (size_check == -1)
	324	{
	325	printf ("Sorry, the eeprom can only contain 128 bytes (100 bytes for your strings).\n");
	326	printf ("You need to short your string by: %d bytes\n", size_check);
	327	goto cleanup;
	328	} else if (size_check < 0) {
	329	printf ("ftdi_eeprom_build(): error: %d\n", size_check);
	330	}
	331	else
	332	{
	333	printf ("Used eeprom space: %d bytes\n", my_eeprom_size-size_check);
	334	}
	335
	336	if (_flash > 0)
	337	{
	338	if (cfg_getbool(cfg, "flash_raw"))
	339	{
	340	if (filename != NULL && strlen(filename) > 0)
	341	{
	342	FILE *fp = fopen(filename, "rb");
	343	fread(eeprom_buf, 1, my_eeprom_size, fp);
	344	fclose(fp);
	345
	346	ftdi_set_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
	347	}
	348	}
	349	printf ("FTDI write eeprom: %d\n", ftdi_write_eeprom(ftdi));
	350	}
	351
	352	// Write to file?
	353	if (filename != NULL && strlen(filename) > 0 && !cfg_getbool(cfg, "flash_raw"))
	354	{
	355	fp = fopen(filename, "w");
	356	if (fp == NULL)
	357	{
	358	printf ("Can't write eeprom file.\n");
	359	exit (-1);
	360	}
	361	else
	362	printf ("Writing to file: %s\n", filename);
	363
	364	ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
	365
	366	fwrite(eeprom_buf, my_eeprom_size, 1, fp);
	367	fclose(fp);
	368	}
	369
	370	cleanup:
	371	if (_read > 0 \|\| _erase > 0 \|\| _flash > 0)
	372	{
	373	printf("FTDI close: %d\n", ftdi_usb_close(ftdi));
	374	}
	375
	376	ftdi_deinit (ftdi);
	377
	378	cfg_free(cfg);
	379
	380	printf("\n");
	381	return 0;
	382	}