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);
27 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic));
30 printf("ftdi open succeeded(channel 1): %d\n",f);
32 printf("enabling bitbang mode(channel 1)\n");
33 ftdi_enable_bitbang(&ftdic, 0xFF);
37 ftdi_set_interface(&ftdic2, INTERFACE_B);
38 f = ftdi_usb_open(&ftdic2, 0x0403, 0x6001);
41 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic2));
44 printf("ftdi open succeeded(channel 2): %d\n",f);
46 printf("enabling bitbang mode (channel 2)\n");
47 ftdi_enable_bitbang(&ftdic2, 0xFF);
50 printf("startloop\n");
51 for (i = 0; i < 23; i++)
54 printf("porta: %02i: 0x%02x \n",i,buf[0]);
55 f = ftdi_write_data(&ftdic, buf, 1);
57 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
61 printf("porta: %02i: 0x%02x \n",i,buf[0]);
62 f = ftdi_write_data(&ftdic, buf, 1);
64 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
68 printf("portb: %02i: 0x%02x \n",i,buf[0]);
69 f = ftdi_write_data(&ftdic2, buf, 1);
71 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
75 printf("portb: %02i: 0x%02x \n",i,buf[0]);
76 f = ftdi_write_data(&ftdic2, buf, 1);
78 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
83 printf("disabling bitbang mode(channel 1)\n");
84 ftdi_disable_bitbang(&ftdic);
85 ftdi_usb_close(&ftdic);
88 printf("disabling bitbang mode(channel 2)\n");
89 ftdi_disable_bitbang(&ftdic2);
90 ftdi_usb_close(&ftdic2);