Commit | Line | Data |
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ad397a4b TJ |
1 | /* This program is distributed under the GPL, version 2 */ |
2 | ||
3 | #include <stdio.h> | |
579b006f | 4 | #include <stdlib.h> |
ad397a4b TJ |
5 | #include <unistd.h> |
6 | #include <ftdi.h> | |
7 | ||
8 | int main(int argc, char **argv) | |
9 | { | |
cd2ead2f | 10 | struct ftdi_context *ftdi; |
ad397a4b | 11 | int f,i; |
579b006f | 12 | unsigned char buf[1]; |
4cc3fa8a | 13 | int retval = 0; |
ad397a4b | 14 | |
cd2ead2f | 15 | if ((ftdi = ftdi_new()) == 0) |
6ac169ea | 16 | { |
cd2ead2f | 17 | fprintf(stderr, "ftdi_new failed\n"); |
6ac169ea TJ |
18 | return EXIT_FAILURE; |
19 | } | |
ad397a4b | 20 | |
cd2ead2f | 21 | f = ftdi_usb_open(ftdi, 0x0403, 0x6001); |
ad397a4b | 22 | |
22d12cda TJ |
23 | if (f < 0 && f != -5) |
24 | { | |
cd2ead2f | 25 | fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi)); |
4cc3fa8a UB |
26 | retval = 1; |
27 | goto done; | |
ad397a4b TJ |
28 | } |
29 | ||
30 | printf("ftdi open succeeded: %d\n",f); | |
31 | ||
32 | printf("enabling bitbang mode\n"); | |
cd2ead2f | 33 | ftdi_set_bitmode(ftdi, 0xFF, BITMODE_BITBANG); |
ad397a4b | 34 | |
8ace1862 | 35 | usleep(3 * 1000000); |
ad397a4b TJ |
36 | |
37 | buf[0] = 0x0; | |
38 | printf("turning everything on\n"); | |
cd2ead2f | 39 | f = ftdi_write_data(ftdi, buf, 1); |
22d12cda TJ |
40 | if (f < 0) |
41 | { | |
cd2ead2f | 42 | fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi)); |
ad397a4b TJ |
43 | } |
44 | ||
8ace1862 | 45 | usleep(3 * 1000000); |
ad397a4b TJ |
46 | |
47 | buf[0] = 0xFF; | |
48 | printf("turning everything off\n"); | |
cd2ead2f | 49 | f = ftdi_write_data(ftdi, buf, 1); |
22d12cda TJ |
50 | if (f < 0) |
51 | { | |
cd2ead2f | 52 | fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi)); |
ad397a4b TJ |
53 | } |
54 | ||
8ace1862 | 55 | usleep(3 * 1000000); |
ad397a4b | 56 | |
22d12cda TJ |
57 | for (i = 0; i < 32; i++) |
58 | { | |
ad397a4b | 59 | buf[0] = 0 | (0xFF ^ 1 << (i % 8)); |
22d12cda TJ |
60 | if ( i > 0 && (i % 8) == 0) |
61 | { | |
ad397a4b TJ |
62 | printf("\n"); |
63 | } | |
64 | printf("%02hhx ",buf[0]); | |
65 | fflush(stdout); | |
cd2ead2f | 66 | f = ftdi_write_data(ftdi, buf, 1); |
22d12cda TJ |
67 | if (f < 0) |
68 | { | |
cd2ead2f | 69 | fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi)); |
ad397a4b | 70 | } |
8ace1862 | 71 | usleep(1 * 1000000); |
ad397a4b TJ |
72 | } |
73 | ||
74 | printf("\n"); | |
75 | ||
76 | printf("disabling bitbang mode\n"); | |
cd2ead2f | 77 | ftdi_disable_bitbang(ftdi); |
ad397a4b | 78 | |
cd2ead2f | 79 | ftdi_usb_close(ftdi); |
4cc3fa8a | 80 | done: |
cd2ead2f | 81 | ftdi_free(ftdi); |
579b006f | 82 | |
4cc3fa8a | 83 | return retval; |
ad397a4b | 84 | } |