[libftdi] / ftdi_eeprom / main.c

/***************************************************************************
                             main.c  -  description
                           -------------------
    begin                : Mon Apr  7 12:05:22 CEST 2003
    copyright            : (C) 2003-2013 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 <libusb.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));
        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;
}
Commit	Line	Data
e47d7975 TJ	1	/***************************************************************************
	2	main.c - description
	3	-------------------
	4	begin : Mon Apr 7 12:05:22 CEST 2003
b25d9165	5	copyright : (C) 2003-2013 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>
2e48e9fd	40	#include <libusb.h>
e47d7975	41	#include <ftdi.h>
ade814a5	42	#include <ftdi_eeprom_version.h>
e47d7975	43
d327f924	44	static int str_to_cbus(char *str, int max_allowed)
e47d7975 TJ	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
d327f924 TJ	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
e47d7975 TJ	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),
e47d7975 TJ	110	CFG_BOOL("in_is_isochronous", cfg_false, 0),
	111	CFG_BOOL("out_is_isochronous", cfg_false, 0),
	112	CFG_BOOL("suspend_pull_downs", cfg_false, 0),
	113	CFG_BOOL("use_serial", cfg_false, 0),
	114	CFG_BOOL("change_usb_version", cfg_false, 0),
	115	CFG_INT("usb_version", 0, 0),
89e7cfb5	116	CFG_INT("default_pid", 0x6001, 0),
e47d7975 TJ	117	CFG_INT("max_power", 0, 0),
	118	CFG_STR("manufacturer", "Acme Inc.", 0),
	119	CFG_STR("product", "USB Serial Converter", 0),
	120	CFG_STR("serial", "08-15", 0),
faa85774	121	CFG_INT("eeprom_type", 0x00, 0),
e47d7975 TJ	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;
200bd3ed	146
faa85774	147	const int max_eeprom_size = 256;
785ddbca	148	int my_eeprom_size = 0;
4359228a	149	unsigned char *eeprom_buf = NULL;
e47d7975 TJ	150	char *filename;
	151	int size_check;
	152	int i, argc_filename;
	153	FILE *fp;
	154
de4871c4	155	struct ftdi_context *ftdi = NULL;
e47d7975	156
ade814a5	157	printf("\nFTDI eeprom generator v%s\n", EEPROM_VERSION_STRING);
8a987aa2	158	printf ("(c) Intra2net AG and the libftdi developers <opensource@intra2net.com>\n");
e47d7975 TJ	159
	160	if (argc != 2 && argc != 3)
	161	{
	162	printf("Syntax: %s [commands] config-file\n", argv[0]);
	163	printf("Valid commands:\n");
	164	printf("--read-eeprom Read eeprom and write to -filename- from config-file\n");
	165	printf("--erase-eeprom Erase eeprom\n");
	166	printf("--flash-eeprom Flash eeprom\n");
	167	exit (-1);
	168	}
	169
	170	if (argc == 3)
	171	{
	172	if (strcmp(argv[1], "--read-eeprom") == 0)
	173	_read = 1;
94c637b8	174	else if (strcmp(argv[1], "--erase-eeprom") == 0)
e47d7975	175	_erase = 1;
94c637b8	176	else if (strcmp(argv[1], "--flash-eeprom") == 0)
e47d7975	177	_flash = 1;
94c637b8 UB	178	else
	179	{
	180	printf ("Can't open configuration file\n");
	181	exit (-1);
	182	}
e47d7975 TJ	183	argc_filename = 2;
	184	}
	185	else
	186	{
	187	argc_filename = 1;
	188	}
	189
	190	if ((fp = fopen(argv[argc_filename], "r")) == NULL)
	191	{
	192	printf ("Can't open configuration file\n");
	193	exit (-1);
	194	}
	195	fclose (fp);
	196
	197	cfg = cfg_init(opts, 0);
	198	cfg_parse(cfg, argv[argc_filename]);
	199	filename = cfg_getstr(cfg, "filename");
	200
	201	if (cfg_getbool(cfg, "self_powered") && cfg_getint(cfg, "max_power") > 0)
	202	printf("Hint: Self powered devices should have a max_power setting of 0.\n");
	203
de4871c4 TJ	204	if ((ftdi = ftdi_new()) == 0)
	205	{
	206	fprintf(stderr, "Failed to allocate ftdi structure :%s \n",
	207	ftdi_get_error_string(ftdi));
	208	return EXIT_FAILURE;
	209	}
	210
e47d7975 TJ	211	if (_read > 0 \|\| _erase > 0 \|\| _flash > 0)
e47d7975 TJ	212	{
7bdae7cd UB	213	int vendor_id = cfg_getint(cfg, "vendor_id");
7bdae7cd UB	214	int product_id = cfg_getint(cfg, "product_id");
d327f924 TJ	215
d327f924 TJ	216	i = ftdi_usb_open(ftdi, vendor_id, product_id);
e47d7975	217
e8d32978	218	if (i != 0)
e47d7975	219	{
89e7cfb5	220	int default_pid = cfg_getint(cfg, "default_pid");
d327f924	221	printf("Unable to find FTDI devices under given vendor/product id: 0x%X/0x%X\n", vendor_id, product_id);
de4871c4	222	printf("Error code: %d (%s)\n", i, ftdi_get_error_string(ftdi));
89e7cfb5	223	printf("Retrying with default FTDI pid=%#04x.\n", default_pid);
e47d7975	224
89e7cfb5	225	i = ftdi_usb_open(ftdi, 0x0403, default_pid);
e47d7975 TJ	226	if (i != 0)
e47d7975 TJ	227	{
de4871c4	228	printf("Error: %s\n", ftdi->error_str);
e47d7975 TJ	229	exit (-1);
	230	}
	231	}
	232	}
e8d32978 UB	233	ftdi_eeprom_initdefaults (ftdi, cfg_getstr(cfg, "manufacturer"),
	234	cfg_getstr(cfg, "product"),
	235	cfg_getstr(cfg, "serial"));
faa85774	236
e8d32978 UB	237	printf("FTDI read eeprom: %d\n", ftdi_read_eeprom(ftdi));
e8d32978 UB	238	eeprom_get_value(ftdi, CHIP_SIZE, &my_eeprom_size);
e8d32978	239	printf("EEPROM size: %d\n", my_eeprom_size);
faa85774	240
e47d7975 TJ	241	if (_read > 0)
e47d7975 TJ	242	{
61620879	243	ftdi_eeprom_decode(ftdi, 0 /* debug: 1 */);
e47d7975	244
4359228a UB	245	eeprom_buf = malloc(my_eeprom_size);
	246	ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
	247
	248	if (eeprom_buf == NULL)
	249	{
	250	fprintf(stderr, "Malloc failed, aborting\n");
	251	goto cleanup;
	252	}
e47d7975 TJ	253	if (filename != NULL && strlen(filename) > 0)
e47d7975 TJ	254	{
200bd3ed	255
e47d7975	256	FILE *fp = fopen (filename, "wb");
200bd3ed	257	fwrite (eeprom_buf, 1, my_eeprom_size, fp);
e47d7975 TJ	258	fclose (fp);
	259	}
	260	else
	261	{
	262	printf("Warning: Not writing eeprom, you must supply a valid filename\n");
	263	}
	264
	265	goto cleanup;
	266	}
	267
7bdae7cd UB	268	eeprom_set_value(ftdi, VENDOR_ID, cfg_getint(cfg, "vendor_id"));
	269	eeprom_set_value(ftdi, PRODUCT_ID, cfg_getint(cfg, "product_id"));
	270
7bdae7cd UB	271	eeprom_set_value(ftdi, SELF_POWERED, cfg_getbool(cfg, "self_powered"));
	272	eeprom_set_value(ftdi, REMOTE_WAKEUP, cfg_getbool(cfg, "remote_wakeup"));
	273	eeprom_set_value(ftdi, MAX_POWER, cfg_getint(cfg, "max_power"));
	274
	275	eeprom_set_value(ftdi, IN_IS_ISOCHRONOUS, cfg_getbool(cfg, "in_is_isochronous"));
	276	eeprom_set_value(ftdi, OUT_IS_ISOCHRONOUS, cfg_getbool(cfg, "out_is_isochronous"));
	277	eeprom_set_value(ftdi, SUSPEND_PULL_DOWNS, cfg_getbool(cfg, "suspend_pull_downs"));
	278
	279	eeprom_set_value(ftdi, USE_SERIAL, cfg_getbool(cfg, "use_serial"));
	280	eeprom_set_value(ftdi, USE_USB_VERSION, cfg_getbool(cfg, "change_usb_version"));
	281	eeprom_set_value(ftdi, USB_VERSION, cfg_getint(cfg, "usb_version"));
faa85774	282	eeprom_set_value(ftdi, CHIP_TYPE, cfg_getint(cfg, "eeprom_type"));
7bdae7cd UB	283
	284	eeprom_set_value(ftdi, HIGH_CURRENT, cfg_getbool(cfg, "high_current"));
	285	eeprom_set_value(ftdi, CBUS_FUNCTION_0, str_to_cbus(cfg_getstr(cfg, "cbus0"), 13));
	286	eeprom_set_value(ftdi, CBUS_FUNCTION_1, str_to_cbus(cfg_getstr(cfg, "cbus1"), 13));
	287	eeprom_set_value(ftdi, CBUS_FUNCTION_2, str_to_cbus(cfg_getstr(cfg, "cbus2"), 13));
	288	eeprom_set_value(ftdi, CBUS_FUNCTION_3, str_to_cbus(cfg_getstr(cfg, "cbus3"), 13));
	289	eeprom_set_value(ftdi, CBUS_FUNCTION_4, str_to_cbus(cfg_getstr(cfg, "cbus4"), 9));
	290	int invert = 0;
	291	if (cfg_getbool(cfg, "invert_rxd")) invert \|= INVERT_RXD;
	292	if (cfg_getbool(cfg, "invert_txd")) invert \|= INVERT_TXD;
	293	if (cfg_getbool(cfg, "invert_rts")) invert \|= INVERT_RTS;
	294	if (cfg_getbool(cfg, "invert_cts")) invert \|= INVERT_CTS;
	295	if (cfg_getbool(cfg, "invert_dtr")) invert \|= INVERT_DTR;
	296	if (cfg_getbool(cfg, "invert_dsr")) invert \|= INVERT_DSR;
	297	if (cfg_getbool(cfg, "invert_dcd")) invert \|= INVERT_DCD;
	298	if (cfg_getbool(cfg, "invert_ri")) invert \|= INVERT_RI;
	299	eeprom_set_value(ftdi, INVERT, invert);
	300
be4bae37 AL	301	eeprom_set_value(ftdi, CHANNEL_A_DRIVER, DRIVER_VCP);
	302	eeprom_set_value(ftdi, CHANNEL_B_DRIVER, DRIVER_VCP);
	303	eeprom_set_value(ftdi, CHANNEL_C_DRIVER, DRIVER_VCP);
	304	eeprom_set_value(ftdi, CHANNEL_D_DRIVER, DRIVER_VCP);
	305	eeprom_set_value(ftdi, CHANNEL_A_RS485, 0);
	306	eeprom_set_value(ftdi, CHANNEL_B_RS485, 0);
	307	eeprom_set_value(ftdi, CHANNEL_C_RS485, 0);
	308	eeprom_set_value(ftdi, CHANNEL_D_RS485, 0);
	309
e47d7975 TJ	310	if (_erase > 0)
e47d7975 TJ	311	{
de4871c4	312	printf("FTDI erase eeprom: %d\n", ftdi_erase_eeprom(ftdi));
e47d7975 TJ	313	}
e47d7975 TJ	314
de4871c4	315	size_check = ftdi_eeprom_build(ftdi);
faa85774	316	eeprom_get_value(ftdi, CHIP_SIZE, &my_eeprom_size);
e47d7975 TJ	317
	318	if (size_check == -1)
	319	{
	320	printf ("Sorry, the eeprom can only contain 128 bytes (100 bytes for your strings).\n");
	321	printf ("You need to short your string by: %d bytes\n", size_check);
	322	goto cleanup;
	323	} else if (size_check < 0) {
	324	printf ("ftdi_eeprom_build(): error: %d\n", size_check);
	325	}
	326	else
	327	{
200bd3ed	328	printf ("Used eeprom space: %d bytes\n", my_eeprom_size-size_check);
e47d7975 TJ	329	}
	330
	331	if (_flash > 0)
	332	{
	333	if (cfg_getbool(cfg, "flash_raw"))
	334	{
	335	if (filename != NULL && strlen(filename) > 0)
	336	{
faa85774	337	eeprom_buf = malloc(max_eeprom_size);
e47d7975	338	FILE *fp = fopen(filename, "rb");
faa85774 AL	339	if (fp == NULL)
	340	{
	341	printf ("Can't open eeprom file %s.\n", filename);
	342	exit (-1);
	343	}
	344	my_eeprom_size = fread(eeprom_buf, 1, max_eeprom_size, fp);
e47d7975	345	fclose(fp);
faa85774 AL	346	if (my_eeprom_size < 128)
	347	{
	348	printf ("Can't read eeprom file %s.\n", filename);
	349	exit (-1);
	350	}
200bd3ed	351
98c974c7	352	ftdi_set_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
e47d7975 TJ	353	}
e47d7975 TJ	354	}
de4871c4	355	printf ("FTDI write eeprom: %d\n", ftdi_write_eeprom(ftdi));
2e48e9fd	356	libusb_reset_device(ftdi->usb_dev);
e47d7975 TJ	357	}
	358
	359	// Write to file?
643a89ea	360	if (filename != NULL && strlen(filename) > 0 && !cfg_getbool(cfg, "flash_raw"))
e47d7975 TJ	361	{
	362	fp = fopen(filename, "w");
	363	if (fp == NULL)
	364	{
	365	printf ("Can't write eeprom file.\n");
	366	exit (-1);
	367	}
	368	else
	369	printf ("Writing to file: %s\n", filename);
	370
243f5f66 AL	371	if (eeprom_buf == NULL)
243f5f66 AL	372	eeprom_buf = malloc(my_eeprom_size);
200bd3ed TJ	373	ftdi_get_eeprom_buf(ftdi, eeprom_buf, my_eeprom_size);
	374
	375	fwrite(eeprom_buf, my_eeprom_size, 1, fp);
e47d7975 TJ	376	fclose(fp);
	377	}
	378
	379	cleanup:
4359228a UB	380	if (eeprom_buf)
4359228a UB	381	free(eeprom_buf);
e47d7975 TJ	382	if (_read > 0 \|\| _erase > 0 \|\| _flash > 0)
e47d7975 TJ	383	{
de4871c4	384	printf("FTDI close: %d\n", ftdi_usb_close(ftdi));
e47d7975 TJ	385	}
e47d7975 TJ	386
de4871c4	387	ftdi_deinit (ftdi);
4e494b76	388	ftdi_free (ftdi);
e47d7975 TJ	389
	390	cfg_free(cfg);
	391
	392	printf("\n");
	393	return 0;
	394	}