| 1 | /* simple.c |
| 2 | |
| 3 | Simple libftdi usage example |
| 4 | |
| 5 | This program is distributed under the GPL, version 2 |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | #include <ftdi.h> |
| 10 | |
| 11 | int main(void) |
| 12 | { |
| 13 | int ret; |
| 14 | struct ftdi_context ftdic; |
| 15 | if (ftdi_init(&ftdic) < 0) |
| 16 | { |
| 17 | fprintf(stderr, "ftdi_init failed\n"); |
| 18 | return EXIT_FAILURE; |
| 19 | } |
| 20 | |
| 21 | if ((ret = ftdi_usb_open(&ftdic, 0x0403, 0x6001)) < 0) |
| 22 | { |
| 23 | fprintf(stderr, "unable to open ftdi device: %d (%s)\n", ret, ftdi_get_error_string(&ftdic)); |
| 24 | return EXIT_FAILURE; |
| 25 | } |
| 26 | |
| 27 | // Read out FTDIChip-ID of R type chips |
| 28 | if (ftdic.type == TYPE_R) |
| 29 | { |
| 30 | unsigned int chipid; |
| 31 | printf("ftdi_read_chipid: %d\n", ftdi_read_chipid(&ftdic, &chipid)); |
| 32 | printf("FTDI chipid: %X\n", chipid); |
| 33 | } |
| 34 | |
| 35 | if ((ret = ftdi_usb_close(&ftdic)) < 0) |
| 36 | { |
| 37 | fprintf(stderr, "unable to close ftdi device: %d (%s)\n", ret, ftdi_get_error_string(&ftdic)); |
| 38 | return EXIT_FAILURE; |
| 39 | } |
| 40 | |
| 41 | ftdi_deinit(&ftdic); |
| 42 | |
| 43 | return EXIT_SUCCESS; |
| 44 | } |