3 Output some flickering in bitbang mode to the FT2232
5 Thanks to max@koeln.ccc.de for fixing and extending
6 the example for the second channel.
8 This program is distributed under the GPL, version 2
15 int main(int argc, char **argv)
17 struct ftdi_context ftdic, ftdic2;
23 ftdi_set_interface(&ftdic, INTERFACE_A);
24 f = ftdi_usb_open(&ftdic, 0x0403, 0x6001);
25 if(f < 0 && f != -5) {
26 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic));
29 printf("ftdi open succeeded(channel 1): %d\n",f);
31 printf("enabling bitbang mode(channel 1)\n");
32 ftdi_enable_bitbang(&ftdic, 0xFF);
36 ftdi_set_interface(&ftdic2, INTERFACE_B);
37 f = ftdi_usb_open(&ftdic2, 0x0403, 0x6001);
38 if(f < 0 && f != -5) {
39 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic2));
42 printf("ftdi open succeeded(channel 2): %d\n",f);
44 printf("enabling bitbang mode (channel 2)\n");
45 ftdi_enable_bitbang(&ftdic2, 0xFF);
48 printf("startloop\n");
49 for(i = 0; i < 23; i++) {
51 printf("porta: %02i: 0x%02x \n",i,buf[0]);
52 f = ftdi_write_data(&ftdic, buf, 1);
54 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
58 printf("porta: %02i: 0x%02x \n",i,buf[0]);
59 f = ftdi_write_data(&ftdic, buf, 1);
61 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
65 printf("portb: %02i: 0x%02x \n",i,buf[0]);
66 f = ftdi_write_data(&ftdic2, buf, 1);
68 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
72 printf("portb: %02i: 0x%02x \n",i,buf[0]);
73 f = ftdi_write_data(&ftdic2, buf, 1);
75 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
80 printf("disabling bitbang mode(channel 1)\n");
81 ftdi_disable_bitbang(&ftdic);
82 ftdi_usb_close(&ftdic);
85 printf("disabling bitbang mode(channel 2)\n");
86 ftdi_disable_bitbang(&ftdic2);
87 ftdi_usb_close(&ftdic2);