main.c - description
-------------------
begin : Mon Apr 7 12:05:22 CEST 2003
- copyright : (C) 2003,2008 by Intra2net AG
+ copyright : (C) 2003-2011 by Intra2net AG and the libftdi developers
email : opensource@intra2net.com
***************************************************************************/
* *
***************************************************************************/
+/*
+ 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 <ftdi.h>
#include <ftdi_eeprom_version.h>
-int str_to_cbus(char *str, int max_allowed)
+static int str_to_cbus(char *str, int max_allowed)
{
#define MAX_OPTION 14
const char* options[MAX_OPTION] = {
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[])
{
/*
normal variables
*/
int _read = 0, _erase = 0, _flash = 0;
- unsigned char eeprom_buf[128];
+
+ const int my_eeprom_size = 128; /* TODO: Kill this. Check with Uwe how we can determine the eeprom size properly
+ because it's initialized with -1. Maybe assume 128 bytes per default? */
+ unsigned char eeprom_buf[my_eeprom_size];
char *filename;
int size_check;
int i, argc_filename;
FILE *fp;
- struct ftdi_context ftdi;
- struct ftdi_eeprom eeprom;
+ struct ftdi_context *ftdi = NULL;
printf("\nFTDI eeprom generator v%s\n", EEPROM_VERSION_STRING);
- printf ("(c) Intra2net AG <opensource@intra2net.com>\n");
+ printf ("(c) Intra2net AG and the libftdi developers <opensource@intra2net.com>\n");
if (argc != 2 && argc != 3)
{
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");
- ftdi_init(&ftdi);
- ftdi_eeprom_initdefaults (&eeprom);
- eeprom.vendor_id = cfg_getint(cfg, "vendor_id");
- eeprom.product_id = cfg_getint(cfg, "product_id");
+ if ((ftdi = ftdi_new()) == 0)
+ {
+ fprintf(stderr, "Failed to allocate ftdi structure :%s \n",
+ ftdi_get_error_string(ftdi));
+ return EXIT_FAILURE;
+ }
+
+ ftdi_eeprom_initdefaults (ftdi, "Acme Inc.", "FTDI Chip", NULL);
+
+ eeprom_set_value(ftdi, VENDOR_ID, cfg_getint(cfg, "vendor_id"));
+ eeprom_set_value(ftdi, PRODUCT_ID, cfg_getint(cfg, "product_id"));
+
+ // TODO: Support all chip types
char *type = cfg_getstr(cfg, "chip_type");
if (!strcmp(type, "BM")) {
- eeprom.chip_type = TYPE_BM;
+ ftdi->type = TYPE_BM;
} else if (!strcmp(type, "R")) {
- eeprom.chip_type = TYPE_R;
+ ftdi->type = TYPE_R;
} else {
- eeprom.chip_type = TYPE_AM;
+ ftdi->type = TYPE_AM;
}
- eeprom.self_powered = cfg_getbool(cfg, "self_powered");
- eeprom.remote_wakeup = cfg_getbool(cfg, "remote_wakeup");
- eeprom.max_power = cfg_getint(cfg, "max_power");
+ 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.in_is_isochronous = cfg_getbool(cfg, "in_is_isochronous");
- eeprom.out_is_isochronous = cfg_getbool(cfg, "out_is_isochronous");
- eeprom.suspend_pull_downs = cfg_getbool(cfg, "suspend_pull_downs");
+ 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.use_serial = cfg_getbool(cfg, "use_serial");
- eeprom.change_usb_version = cfg_getbool(cfg, "change_usb_version");
- eeprom.usb_version = cfg_getint(cfg, "usb_version");
+ 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.manufacturer = cfg_getstr(cfg, "manufacturer");
- eeprom.product = cfg_getstr(cfg, "product");
- eeprom.serial = cfg_getstr(cfg, "serial");
- eeprom.high_current = cfg_getbool(cfg, "high_current");
- eeprom.cbus_function[0] = str_to_cbus(cfg_getstr(cfg, "cbus0"), 13);
- eeprom.cbus_function[1] = str_to_cbus(cfg_getstr(cfg, "cbus1"), 13);
- eeprom.cbus_function[2] = str_to_cbus(cfg_getstr(cfg, "cbus2"), 13);
- eeprom.cbus_function[3] = str_to_cbus(cfg_getstr(cfg, "cbus3"), 13);
- eeprom.cbus_function[4] = str_to_cbus(cfg_getstr(cfg, "cbus4"), 9);
+ ftdi->eeprom->manufacturer = cfg_getstr(cfg, "manufacturer");
+ ftdi->eeprom->product = cfg_getstr(cfg, "product");
+ ftdi->eeprom->serial = cfg_getstr(cfg, "serial");
+ 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_dsr")) invert |= INVERT_DSR;
if (cfg_getbool(cfg, "invert_dcd")) invert |= INVERT_DCD;
if (cfg_getbool(cfg, "invert_ri")) invert |= INVERT_RI;
- eeprom.invert = invert;
+ eeprom_set_value(ftdi, INVERT, invert);
if (_read > 0 || _erase > 0 || _flash > 0)
{
- i = ftdi_usb_open(&ftdi, eeprom.vendor_id, eeprom.product_id);
+ int vendor_id = 0, product_id = 0;
+ eeprom_get_value(ftdi, VENDOR_ID, &vendor_id);
+ eeprom_get_value(ftdi, PRODUCT_ID, &product_id);
+
+ i = ftdi_usb_open(ftdi, vendor_id, product_id);
if (i == 0)
{
- printf("EEPROM size: %d\n", ftdi.eeprom_size);
+ // TODO: Do we know the eeprom size already?
+ printf("EEPROM size: %d\n", ftdi->eeprom->size);
}
else
{
- printf("Unable to find FTDI devices under given vendor/product id: 0x%X/0x%X\n", eeprom.vendor_id, eeprom.product_id);
- printf("Error code: %d (%s)\n", i, ftdi_get_error_string(&ftdi));
+ 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 id.\n");
- i = ftdi_usb_open(&ftdi, 0x0403, 0x6001);
+ i = ftdi_usb_open(ftdi, 0x0403, 0x6001);
if (i != 0)
{
- printf("Error: %s\n", ftdi.error_str);
+ printf("Error: %s\n", ftdi->error_str);
exit (-1);
}
}
if (_read > 0)
{
- printf("FTDI read eeprom: %d\n", ftdi_read_eeprom(&ftdi, eeprom_buf));
+ printf("FTDI read eeprom: %d\n", ftdi_read_eeprom(ftdi));
- ftdi_eeprom_decode(&eeprom, eeprom_buf, ftdi.eeprom_size);
+ 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("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);
+ (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, 128, fp);
+ fwrite (eeprom_buf, 1, my_eeprom_size, fp);
fclose (fp);
}
else
if (_erase > 0)
{
- printf("FTDI erase eeprom: %d\n", ftdi_erase_eeprom(&ftdi));
+ printf("FTDI erase eeprom: %d\n", ftdi_erase_eeprom(ftdi));
}
- size_check = ftdi_eeprom_build(&eeprom, eeprom_buf);
+ size_check = ftdi_eeprom_build(ftdi);
if (size_check == -1)
{
}
else
{
- printf ("Used eeprom space: %d bytes\n", 128-size_check);
+ printf ("Used eeprom space: %d bytes\n", my_eeprom_size-size_check);
}
if (_flash > 0)
if (filename != NULL && strlen(filename) > 0)
{
FILE *fp = fopen(filename, "rb");
- fread(eeprom_buf, 1, 128, fp);
+ fread(eeprom_buf, 1, my_eeprom_size, fp);
fclose(fp);
+
+ /* TODO: Dirty hack. Create an API for this. How about ftdi_set_eeprom_buf()? */
+ memcpy(ftdi->eeprom->buf, eeprom_buf, my_eeprom_size);
}
}
- printf ("FTDI write eeprom: %d\n", ftdi_write_eeprom(&ftdi, eeprom_buf));
+ printf ("FTDI write eeprom: %d\n", ftdi_write_eeprom(ftdi));
}
// Write to file?
else
printf ("Writing to file: %s\n", filename);
- fwrite(eeprom_buf, 128, 1, fp);
+ 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));
+ printf("FTDI close: %d\n", ftdi_usb_close(ftdi));
}
- ftdi_deinit (&ftdi);
+ ftdi_deinit (ftdi);
cfg_free(cfg);
git://developer.intra2net.com / libftdi / blobdiff