#include <getopt.h>
#include <ftdi.h>
+int read_decode_eeprom(struct ftdi_context *ftdi)
+{
+ int i, j, f;
+ int value;
+ int size;
+ unsigned char buf[256];
+
+ f = ftdi_read_eeprom(ftdi);
+ if (f < 0)
+ {
+ fprintf(stderr, "ftdi_read_eeprom: %d (%s)\n",
+ f, ftdi_get_error_string(ftdi));
+ return -1;
+ }
+
+
+ ftdi_get_eeprom_value(ftdi, CHIP_SIZE, & value);
+ if (value <0)
+ {
+ fprintf(stderr, "No EEPROM found or EEPROM empty\n");
+ fprintf(stderr, "On empty EEPROM, use -w option to write default values\n");
+ return -1;
+ }
+ fprintf(stderr, "Chip type %d ftdi_eeprom_size: %d\n", ftdi->type, value);
+ if (ftdi->type == TYPE_R)
+ size = 0xa0;
+ else
+ size = value;
+ ftdi_get_eeprom_buf(ftdi, buf, size);
+ for (i=0; i < size; i += 16)
+ {
+ fprintf(stdout,"0x%03x:", i);
+
+ for (j = 0; j< 8; j++)
+ fprintf(stdout," %02x", buf[i+j]);
+ fprintf(stdout," ");
+ for (; j< 16; j++)
+ fprintf(stdout," %02x", buf[i+j]);
+ fprintf(stdout," ");
+ for (j = 0; j< 8; j++)
+ fprintf(stdout,"%c", isprint(buf[i+j])?buf[i+j]:'.');
+ fprintf(stdout," ");
+ for (; j< 16; j++)
+ fprintf(stdout,"%c", isprint(buf[i+j])?buf[i+j]:'.');
+ fprintf(stdout,"\n");
+ }
+
+ f = ftdi_eeprom_decode(ftdi, 1);
+ if (f < 0)
+ {
+ fprintf(stderr, "ftdi_eeprom_decode: %d (%s)\n",
+ f, ftdi_get_error_string(ftdi));
+ return -1;
+ }
+ return 0;
+}
+
int main(int argc, char **argv)
{
struct ftdi_context *ftdi;
- unsigned char buf[256];
- int f, i, j;
- int vid = 0x0403;
- int pid = 0x6010;
+ int f, i;
+ int vid = 0;
+ int pid = 0;
char const *desc = 0;
char const *serial = 0;
int erase = 0;
int use_defaults = 0;
int large_chip = 0;
int do_write = 0;
- int size;
+ int retval = 0;
int value;
if ((ftdi = ftdi_new()) == 0)
"product description\n");
fprintf(stderr, "\t-S <string? Search for device with given "
"serial number\n");
- exit(-1);
+ retval = -1;
+ goto done;
}
}
// Select first interface
ftdi_set_interface(ftdi, INTERFACE_ANY);
- // Open device
- f = ftdi_usb_open_desc(ftdi, vid, pid, desc, serial);
- if (f < 0)
+ if (!vid && !pid && desc == NULL && serial == NULL)
{
- fprintf(stderr, "Device VID 0x%04x PID 0x%04x", vid, pid);
- if (desc)
- fprintf(stderr, " Desc %s", desc);
- if (serial)
- fprintf(stderr, " Serial %s", serial);
- fprintf(stderr, "\n");
- fprintf(stderr, "unable to open ftdi device: %d (%s)\n",
- f, ftdi_get_error_string(ftdi));
-
- exit(-1);
+ struct ftdi_device_list *devlist, *curdev;
+ int res;
+ if ((res = ftdi_usb_find_all(ftdi, &devlist, 0, 0)) < 0)
+ {
+ fprintf(stderr, "No FTDI with default VID/PID found\n");
+ retval = EXIT_FAILURE;
+ goto do_deinit;
+ }
+ if (res > 1)
+ {
+ int i = 1;
+ fprintf(stderr, "%d FTDI devices found: Only Readout on EEPROM done. ",res);
+ fprintf(stderr, "Use VID/PID/desc/serial to select device\n");
+ for (curdev = devlist; curdev != NULL; curdev= curdev->next, i++)
+ {
+ f = ftdi_usb_open_dev(ftdi, curdev->dev);
+ if (f<0)
+ {
+ fprintf(stderr, "Unable to open device %d: (%s)",
+ i, ftdi_get_error_string(ftdi));
+ continue;
+ }
+ fprintf(stderr, "Decoded values of device %d:\n", i);
+ read_decode_eeprom(ftdi);
+ ftdi_usb_close(ftdi);
+ }
+ ftdi_list_free(&devlist);
+ retval = EXIT_SUCCESS;
+ goto do_deinit;
+ }
+ else if (res == 1)
+ {
+ f = ftdi_usb_open_dev(ftdi, devlist[0].dev);
+ if (f<0)
+ {
+ fprintf(stderr, "Unable to open device %d: (%s)",
+ i, ftdi_get_error_string(ftdi));
+ }
+ }
+ else
+ {
+ fprintf(stderr, "No devices found\n");
+ f = 0;
+ }
+ ftdi_list_free(&devlist);
+ }
+ else
+ {
+ // Open device
+ f = ftdi_usb_open_desc(ftdi, vid, pid, desc, serial);
+ if (f < 0)
+ {
+ fprintf(stderr, "Device VID 0x%04x PID 0x%04x", vid, pid);
+ if (desc)
+ fprintf(stderr, " Desc %s", desc);
+ if (serial)
+ fprintf(stderr, " Serial %s", serial);
+ fprintf(stderr, "\n");
+ fprintf(stderr, "unable to open ftdi device: %d (%s)\n",
+ f, ftdi_get_error_string(ftdi));
+
+ retval = -1;
+ goto done;
+ }
}
-
if (erase)
{
f = ftdi_erase_eeprom(ftdi); /* needed to determine EEPROM chip type */
{
fprintf(stderr, "Erase failed: %s",
ftdi_get_error_string(ftdi));
- return -2;
+ retval = -2;
+ goto done;
}
if (ftdi_get_eeprom_value(ftdi, CHIP_TYPE, & value) <0)
{
fprintf(stderr, "Internal EEPROM\n");
else
fprintf(stderr, "Found 93x%02x\n", value);
- return 0;
+ retval = 0;
+ goto done;
}
if (use_defaults)
{
- ftdi_eeprom_initdefaults(ftdi, "IKDA", "FTDIJTAG", "0001");
- ftdi_eeprom_initdefaults(ftdi, "IKDA", "FTDIJTAG", "0001");
+ ftdi_eeprom_initdefaults(ftdi, NULL, NULL, NULL);
if (ftdi_set_eeprom_value(ftdi, MAX_POWER, 500) <0)
{
fprintf(stderr, "ftdi_set_eeprom_value: %d (%s)\n",
{
fprintf(stderr, "ftdi_eeprom_build: %d (%s)\n",
f, ftdi_get_error_string(ftdi));
- exit(-1);
+ retval = -1;
+ goto done;
}
}
else if (do_write)
{
- ftdi_eeprom_initdefaults(ftdi, "IKDA", "FTDIJTAG", "0001");
+ ftdi_eeprom_initdefaults(ftdi, NULL, NULL, NULL);
f = ftdi_erase_eeprom(ftdi);
if (ftdi_set_eeprom_value(ftdi, MAX_POWER, 500) <0)
{
{
fprintf(stderr, "Erase failed: %s",
ftdi_get_error_string(ftdi));
- return -2;
+ retval = -2;
+ goto done;
}
f = ftdi_write_eeprom(ftdi);
{
fprintf(stderr, "ftdi_eeprom_decode: %d (%s)\n",
f, ftdi_get_error_string(ftdi));
- exit(-1);
+ retval = 1;
+ goto done;
}
}
- f = ftdi_read_eeprom(ftdi);
- if (f < 0)
- {
- fprintf(stderr, "ftdi_read_eeprom: %d (%s)\n",
- f, ftdi_get_error_string(ftdi));
- exit(-1);
- }
-
-
- ftdi_get_eeprom_value(ftdi, CHIP_SIZE, & value);
- fprintf(stderr, "Chip type %d ftdi_eeprom_size: %d\n", ftdi->type, value);
- if (ftdi->type == TYPE_R)
- size = 0xa0;
- else
- size = value;
- ftdi_get_eeprom_buf(ftdi, buf, size);
- for (i=0; i < size; i += 16)
- {
- fprintf(stdout,"0x%03x:", i);
-
- for (j = 0; j< 8; j++)
- fprintf(stdout," %02x", buf[i+j]);
- fprintf(stdout," ");
- for (; j< 16; j++)
- fprintf(stdout," %02x", buf[i+j]);
- fprintf(stdout," ");
- for (j = 0; j< 8; j++)
- fprintf(stdout,"%c", isprint(buf[i+j])?buf[i+j]:'.');
- fprintf(stdout," ");
- for (; j< 16; j++)
- fprintf(stdout,"%c", isprint(buf[i+j])?buf[i+j]:'.');
- fprintf(stdout,"\n");
- }
-
- f = ftdi_eeprom_decode(ftdi, 1);
- if (f < 0)
- {
- fprintf(stderr, "ftdi_eeprom_decode: %d (%s)\n",
- f, ftdi_get_error_string(ftdi));
- exit(-1);
- }
-
+ retval = read_decode_eeprom(ftdi);
+done:
ftdi_usb_close(ftdi);
+do_deinit:
ftdi_free(ftdi);
- return 0;
+ return retval;
}