Commit | Line | Data |
---|---|---|
08cb09bf TJ |
1 | /* bitbang_ft2232.c |
2 | ||
3 | Output some flickering in bitbang mode to the FT2232 | |
4 | ||
5 | Thanks to max@koeln.ccc.de for fixing and extending | |
6 | the example for the second channel. | |
7 | ||
8 | This program is distributed under the GPL, version 2 | |
9 | */ | |
ad397a4b TJ |
10 | |
11 | #include <stdio.h> | |
579b006f | 12 | #include <stdlib.h> |
ad397a4b | 13 | #include <unistd.h> |
7b5c5624 | 14 | #ifdef __WIN32__ |
4b35b810 | 15 | #define sleep(x) Sleep(x) |
7b5c5624 | 16 | #endif |
ad397a4b TJ |
17 | #include <ftdi.h> |
18 | ||
19 | int main(int argc, char **argv) | |
20 | { | |
cd2ead2f | 21 | struct ftdi_context *ftdi, *ftdi2; |
579b006f | 22 | unsigned char buf[1]; |
ad397a4b TJ |
23 | int f,i; |
24 | ||
08cb09bf | 25 | // Init 1. channel |
cd2ead2f | 26 | if ((ftdi = ftdi_new()) == 0) |
6ac169ea | 27 | { |
cd2ead2f | 28 | fprintf(stderr, "ftdi_new failed\n"); |
6ac169ea TJ |
29 | return EXIT_FAILURE; |
30 | } | |
31 | ||
cd2ead2f UB |
32 | ftdi_set_interface(ftdi, INTERFACE_A); |
33 | f = ftdi_usb_open(ftdi, 0x0403, 0x6001); | |
22d12cda TJ |
34 | if (f < 0 && f != -5) |
35 | { | |
cd2ead2f UB |
36 | fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi)); |
37 | ftdi_deinit(ftdi); | |
ad397a4b TJ |
38 | exit(-1); |
39 | } | |
08cb09bf | 40 | printf("ftdi open succeeded(channel 1): %d\n",f); |
ad397a4b | 41 | |
08cb09bf | 42 | printf("enabling bitbang mode(channel 1)\n"); |
cd2ead2f | 43 | ftdi_set_bitmode(ftdi, 0xFF, BITMODE_BITBANG); |
ad397a4b | 44 | |
08cb09bf | 45 | // Init 2. channel |
cd2ead2f | 46 | if ((ftdi2 = ftdi_new()) == 0) |
6ac169ea | 47 | { |
cd2ead2f | 48 | fprintf(stderr, "ftdi_new failed\n"); |
6ac169ea TJ |
49 | return EXIT_FAILURE; |
50 | } | |
cd2ead2f UB |
51 | ftdi_set_interface(ftdi2, INTERFACE_B); |
52 | f = ftdi_usb_open(ftdi2, 0x0403, 0x6001); | |
22d12cda TJ |
53 | if (f < 0 && f != -5) |
54 | { | |
cd2ead2f UB |
55 | fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi2)); |
56 | ftdi_deinit(ftdi2); | |
ad397a4b TJ |
57 | exit(-1); |
58 | } | |
08cb09bf | 59 | printf("ftdi open succeeded(channel 2): %d\n",f); |
ad397a4b | 60 | |
08cb09bf | 61 | printf("enabling bitbang mode (channel 2)\n"); |
cd2ead2f | 62 | ftdi_set_bitmode(ftdi2, 0xFF, BITMODE_BITBANG); |
ad397a4b | 63 | |
08cb09bf TJ |
64 | // Write data |
65 | printf("startloop\n"); | |
22d12cda TJ |
66 | for (i = 0; i < 23; i++) |
67 | { | |
08cb09bf TJ |
68 | buf[0] = 0x1; |
69 | printf("porta: %02i: 0x%02x \n",i,buf[0]); | |
cd2ead2f | 70 | f = ftdi_write_data(ftdi, buf, 1); |
22d12cda | 71 | if (f < 0) |
cd2ead2f | 72 | fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(ftdi)); |
08cb09bf | 73 | sleep(1); |
ad397a4b | 74 | |
08cb09bf TJ |
75 | buf[0] = 0x2; |
76 | printf("porta: %02i: 0x%02x \n",i,buf[0]); | |
cd2ead2f | 77 | f = ftdi_write_data(ftdi, buf, 1); |
22d12cda | 78 | if (f < 0) |
cd2ead2f | 79 | fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(ftdi)); |
08cb09bf | 80 | sleep(1); |
ad397a4b | 81 | |
08cb09bf TJ |
82 | buf[0] = 0x1; |
83 | printf("portb: %02i: 0x%02x \n",i,buf[0]); | |
cd2ead2f | 84 | f = ftdi_write_data(ftdi2, buf, 1); |
22d12cda | 85 | if (f < 0) |
cd2ead2f | 86 | fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(ftdi2)); |
08cb09bf | 87 | sleep(1); |
ad397a4b | 88 | |
08cb09bf TJ |
89 | buf[0] = 0x2; |
90 | printf("portb: %02i: 0x%02x \n",i,buf[0]); | |
cd2ead2f | 91 | f = ftdi_write_data(ftdi2, buf, 1); |
22d12cda | 92 | if (f < 0) |
cd2ead2f | 93 | fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(ftdi2)); |
ad397a4b TJ |
94 | sleep(1); |
95 | } | |
ad397a4b TJ |
96 | printf("\n"); |
97 | ||
08cb09bf | 98 | printf("disabling bitbang mode(channel 1)\n"); |
cd2ead2f UB |
99 | ftdi_disable_bitbang(ftdi); |
100 | ftdi_usb_close(ftdi); | |
101 | ftdi_deinit(ftdi); | |
08cb09bf TJ |
102 | |
103 | printf("disabling bitbang mode(channel 2)\n"); | |
cd2ead2f UB |
104 | ftdi_disable_bitbang(ftdi2); |
105 | ftdi_usb_close(ftdi2); | |
106 | ftdi_free(ftdi2); | |
579b006f JZ |
107 | |
108 | return 0; | |
ad397a4b | 109 | } |