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));
40 printf("ftdi open succeeded(channel 1): %d\n",f);
42 printf("enabling bitbang mode(channel 1)\n");
43 ftdi_set_bitmode(&ftdic, 0xFF, BITMODE_BITBANG);
46 if (ftdi_init(&ftdic2) < 0)
48 fprintf(stderr, "ftdi_init failed\n");
51 ftdi_set_interface(&ftdic2, INTERFACE_B);
52 f = ftdi_usb_open(&ftdic2, 0x0403, 0x6001);
55 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic2));
59 printf("ftdi open succeeded(channel 2): %d\n",f);
61 printf("enabling bitbang mode (channel 2)\n");
62 ftdi_set_bitmode(&ftdic2, 0xFF, BITMODE_BITBANG);
65 printf("startloop\n");
66 for (i = 0; i < 23; i++)
69 printf("porta: %02i: 0x%02x \n",i,buf[0]);
70 f = ftdi_write_data(&ftdic, buf, 1);
72 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
76 printf("porta: %02i: 0x%02x \n",i,buf[0]);
77 f = ftdi_write_data(&ftdic, buf, 1);
79 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
83 printf("portb: %02i: 0x%02x \n",i,buf[0]);
84 f = ftdi_write_data(&ftdic2, buf, 1);
86 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
90 printf("portb: %02i: 0x%02x \n",i,buf[0]);
91 f = ftdi_write_data(&ftdic2, buf, 1);
93 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
98 printf("disabling bitbang mode(channel 1)\n");
99 ftdi_disable_bitbang(&ftdic);
100 ftdi_usb_close(&ftdic);
103 printf("disabling bitbang mode(channel 2)\n");
104 ftdi_disable_bitbang(&ftdic2);
105 ftdi_usb_close(&ftdic2);
106 ftdi_deinit(&ftdic2);