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;
22 if (ftdi_init(&ftdic) < 0)
24 fprintf(stderr, "ftdi_init failed\n");
28 ftdi_set_interface(&ftdic, INTERFACE_A);
29 f = ftdi_usb_open(&ftdic, 0x0403, 0x6001);
32 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic));
35 printf("ftdi open succeeded(channel 1): %d\n",f);
37 printf("enabling bitbang mode(channel 1)\n");
38 ftdi_enable_bitbang(&ftdic, 0xFF);
41 if (ftdi_init(&ftdic2) < 0)
43 fprintf(stderr, "ftdi_init failed\n");
46 ftdi_set_interface(&ftdic2, INTERFACE_B);
47 f = ftdi_usb_open(&ftdic2, 0x0403, 0x6001);
50 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic2));
53 printf("ftdi open succeeded(channel 2): %d\n",f);
55 printf("enabling bitbang mode (channel 2)\n");
56 ftdi_enable_bitbang(&ftdic2, 0xFF);
59 printf("startloop\n");
60 for (i = 0; i < 23; i++)
63 printf("porta: %02i: 0x%02x \n",i,buf[0]);
64 f = ftdi_write_data(&ftdic, buf, 1);
66 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
70 printf("porta: %02i: 0x%02x \n",i,buf[0]);
71 f = ftdi_write_data(&ftdic, buf, 1);
73 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
77 printf("portb: %02i: 0x%02x \n",i,buf[0]);
78 f = ftdi_write_data(&ftdic2, buf, 1);
80 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
84 printf("portb: %02i: 0x%02x \n",i,buf[0]);
85 f = ftdi_write_data(&ftdic2, buf, 1);
87 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
92 printf("disabling bitbang mode(channel 1)\n");
93 ftdi_disable_bitbang(&ftdic);
94 ftdi_usb_close(&ftdic);
97 printf("disabling bitbang mode(channel 2)\n");
98 ftdi_disable_bitbang(&ftdic2);
99 ftdi_usb_close(&ftdic2);
100 ftdi_deinit(&ftdic2);