/* simple.c Simple libftdi usage example This program is distributed under the GPL, version 2 */ #include #include #include int main(void) { int ret; struct ftdi_context *ftdi; struct ftdi_version_info version; 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, 0x6001)) < 0) { fprintf(stderr, "unable to open ftdi device: %d (%s)\n", ret, ftdi_get_error_string(ftdi)); ftdi_free(ftdi); return EXIT_FAILURE; } // Read out FTDIChip-ID of R type chips if (ftdi->type == TYPE_R) { unsigned int chipid; printf("ftdi_read_chipid: %d\n", ftdi_read_chipid(ftdi, &chipid)); printf("FTDI chipid: %X\n", chipid); } if ((ret = ftdi_usb_close(ftdi)) < 0) { fprintf(stderr, "unable to close ftdi device: %d (%s)\n", ret, ftdi_get_error_string(ftdi)); ftdi_free(ftdi); return EXIT_FAILURE; } ftdi_free(ftdi); return EXIT_SUCCESS; }