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#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ftdi.h>
#define FTDI_MAX_EEPROM_SIZE 256
int main(int argc, char *argv[]) {
int ret;
int val;
struct ftdi_context *ftdi;
struct ftdi_version_info version;
unsigned char buf[FTDI_MAX_EEPROM_SIZE];
if ((ftdi = ftdi_new()) == 0) {
fprintf(stderr, "ftdi_new failed\n");
return EXIT_FAILURE;
}
version = ftdi_get_library_version();
printf("Initialized libftdi %s (major: %d, minor: %d, micro: %d, snapshot ver: %s)\n",
version.version_str, version.major, version.minor, version.micro,
version.snapshot_str);
if ((ret = ftdi_usb_open(ftdi, 0x0403, 0x6015)) < 0) {
fprintf(stderr, "Unable to open ftdi device: %d (%s)\n", ret, ftdi_get_error_string(ftdi));
ftdi_free(ftdi);
return EXIT_FAILURE;
}
ret = ftdi_read_eeprom(ftdi);
if (ret < 0) goto ftdi_fin;
ret = ftdi_eeprom_decode(ftdi, 1);
if (ret < 0) goto ftdi_fin;
ftdi_get_eeprom_value(ftdi, SELF_POWERED, &val);
printf("POWER: %x\n", val);
ftdi_get_eeprom_value(ftdi, CBUS_FUNCTION_0, &val);
printf("CBUS0: %d\n", val);
ftdi_get_eeprom_value(ftdi, CBUS_FUNCTION_1, &val);
printf("CBUS1: %d\n", val);
ftdi_get_eeprom_value(ftdi, CBUS_FUNCTION_2, &val);
printf("CBUS2: %d\n", val);
ftdi_get_eeprom_value(ftdi, CBUS_FUNCTION_3, &val);
printf("CBUS3: %d\n", val);
ftdi_set_eeprom_value(ftdi, SELF_POWERED, 1);
ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_0, CBUSX_PWREN);
ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_1, CBUSX_IOMODE);
/* next rev hw
ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_3, CBUSX_VBUS_SENSE);
*/
ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_2, CBUSX_TRISTATE);
ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_3, CBUSX_TRISTATE);
ret = ftdi_eeprom_build(ftdi);
if (ret < 0) goto ftdi_fin;
ret = ftdi_get_eeprom_buf(ftdi, buf, FTDI_MAX_EEPROM_SIZE);
if (ret < 0) goto ftdi_fin;
printf("MISC: %x\n", *buf);
if ((argc > 1) && (strcmp(argv[1], "do") == 0)) {
ret = ftdi_write_eeprom(ftdi);
if (ret < 0) goto ftdi_fin;
}
ret = ftdi_usb_close(ftdi);
ftdi_fin:
if (ret < 0) {
fprintf(stderr, "ERR: %d (%s)\n", ret, ftdi_get_error_string(ftdi));
}
ftdi_free(ftdi);
return ret < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
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