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
14 #define sleep(x) _sleep(x)
18 int main(int argc, char **argv)
20 struct ftdi_context ftdic, ftdic2;
25 if (ftdi_init(&ftdic) < 0)
27 fprintf(stderr, "ftdi_init failed\n");
31 ftdi_set_interface(&ftdic, INTERFACE_A);
32 f = ftdi_usb_open(&ftdic, 0x0403, 0x6001);
35 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic));
38 printf("ftdi open succeeded(channel 1): %d\n",f);
40 printf("enabling bitbang mode(channel 1)\n");
41 ftdi_enable_bitbang(&ftdic, 0xFF);
44 if (ftdi_init(&ftdic2) < 0)
46 fprintf(stderr, "ftdi_init failed\n");
49 ftdi_set_interface(&ftdic2, INTERFACE_B);
50 f = ftdi_usb_open(&ftdic2, 0x0403, 0x6001);
53 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic2));
56 printf("ftdi open succeeded(channel 2): %d\n",f);
58 printf("enabling bitbang mode (channel 2)\n");
59 ftdi_enable_bitbang(&ftdic2, 0xFF);
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(&ftdic, buf, 1);
69 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
73 printf("porta: %02i: 0x%02x \n",i,buf[0]);
74 f = ftdi_write_data(&ftdic, buf, 1);
76 fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
80 printf("portb: %02i: 0x%02x \n",i,buf[0]);
81 f = ftdi_write_data(&ftdic2, buf, 1);
83 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
87 printf("portb: %02i: 0x%02x \n",i,buf[0]);
88 f = ftdi_write_data(&ftdic2, buf, 1);
90 fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
95 printf("disabling bitbang mode(channel 1)\n");
96 ftdi_disable_bitbang(&ftdic);
97 ftdi_usb_close(&ftdic);
100 printf("disabling bitbang mode(channel 2)\n");
101 ftdi_disable_bitbang(&ftdic2);
102 ftdi_usb_close(&ftdic2);
103 ftdi_deinit(&ftdic2);