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
16 int main(int argc, char **argv)
18 struct ftdi_context *ftdi, *ftdi2;
23 if ((ftdi = ftdi_new()) == 0)
25 fprintf(stderr, "ftdi_new failed\n");
29 ftdi_set_interface(ftdi, INTERFACE_A);
30 f = ftdi_usb_open(ftdi, 0x0403, 0x6001);
33 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi));
37 printf("ftdi open succeeded(channel 1): %d\n",f);
39 printf("enabling bitbang mode(channel 1)\n");
40 ftdi_set_bitmode(ftdi, 0xFF, BITMODE_BITBANG);
43 if ((ftdi2 = ftdi_new()) == 0)
45 fprintf(stderr, "ftdi_new failed\n");
48 ftdi_set_interface(ftdi2, INTERFACE_B);
49 f = ftdi_usb_open(ftdi2, 0x0403, 0x6001);
52 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi2));
56 printf("ftdi open succeeded(channel 2): %d\n",f);
58 printf("enabling bitbang mode (channel 2)\n");
59 ftdi_set_bitmode(ftdi2, 0xFF, BITMODE_BITBANG);
62 printf("startloop\n");
63 for (i = 0; i < 23; i++)
66 printf("porta: %02i: 0x%02x \n",i,buf[0]);
67 f = ftdi_write_data(ftdi, buf, 1);
69 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(ftdi));
73 printf("porta: %02i: 0x%02x \n",i,buf[0]);
74 f = ftdi_write_data(ftdi, buf, 1);
76 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(ftdi));
80 printf("portb: %02i: 0x%02x \n",i,buf[0]);
81 f = ftdi_write_data(ftdi2, buf, 1);
83 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(ftdi2));
87 printf("portb: %02i: 0x%02x \n",i,buf[0]);
88 f = ftdi_write_data(ftdi2, buf, 1);
90 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(ftdi2));
95 printf("disabling bitbang mode(channel 1)\n");
96 ftdi_disable_bitbang(ftdi);
100 printf("disabling bitbang mode(channel 2)\n");
101 ftdi_disable_bitbang(ftdi2);
102 ftdi_usb_close(ftdi2);