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 #define sleep(x) _sleep(x)
19 int main(int argc, char **argv)
21 struct ftdi_context ftdic, ftdic2;
26 if (ftdi_init(&ftdic) < 0)
28 fprintf(stderr, "ftdi_init failed\n");
32 ftdi_set_interface(&ftdic, INTERFACE_A);
33 f = ftdi_usb_open(&ftdic, 0x0403, 0x6001);
36 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic));
39 printf("ftdi open succeeded(channel 1): %d\n",f);
41 printf("enabling bitbang mode(channel 1)\n");
42 ftdi_set_bitmode(&ftdic, 0xFF, BITMODE_BITBANG);
45 if (ftdi_init(&ftdic2) < 0)
47 fprintf(stderr, "ftdi_init failed\n");
50 ftdi_set_interface(&ftdic2, INTERFACE_B);
51 f = ftdi_usb_open(&ftdic2, 0x0403, 0x6001);
54 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic2));
57 printf("ftdi open succeeded(channel 2): %d\n",f);
59 printf("enabling bitbang mode (channel 2)\n");
60 ftdi_set_bitmode(&ftdic2, 0xFF, BITMODE_BITBANG);
63 printf("startloop\n");
64 for (i = 0; i < 23; i++)
67 printf("porta: %02i: 0x%02x \n",i,buf[0]);
68 f = ftdi_write_data(&ftdic, buf, 1);
70 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
74 printf("porta: %02i: 0x%02x \n",i,buf[0]);
75 f = ftdi_write_data(&ftdic, buf, 1);
77 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
81 printf("portb: %02i: 0x%02x \n",i,buf[0]);
82 f = ftdi_write_data(&ftdic2, buf, 1);
84 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
88 printf("portb: %02i: 0x%02x \n",i,buf[0]);
89 f = ftdi_write_data(&ftdic2, buf, 1);
91 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
96 printf("disabling bitbang mode(channel 1)\n");
97 ftdi_disable_bitbang(&ftdic);
98 ftdi_usb_close(&ftdic);
101 printf("disabling bitbang mode(channel 2)\n");
102 ftdi_disable_bitbang(&ftdic2);
103 ftdi_usb_close(&ftdic2);
104 ftdi_deinit(&ftdic2);