#include <stdio.h>
#include <unistd.h>
#include <usb.h>
#include <ftdi.h>

const int vendor_id=0x0403;
const int product_id=0x6010;

int main(int argc, char **argv)
{
  struct ftdi_context ftdic,ftdic2;
  int f,i;

  ftdi_init(&ftdic);

  f = ftdi_usb_open(&ftdic, vendor_id, product_id); 

  if(f < 0 && f != -5) {
    fprintf(stderr, "unable to open ftdi device: %d - %s\n",f,ftdic.error_str);
    exit(-1);
  }

  printf("ftdi open succeeded: %d\n",f);

  printf("enabling bitbang mode\n");
  ftdi_enable_bitbang(&ftdic, 0xFF);



  ftdic2.interface=1;
  ftdic2.index=1;
  ftdic2.out_ep=0x83;
  ftdic2.in_ep=0x4;
        
  f = ftdi_usb_open(&ftdic2, vendor_id, product_id); 

  if(f < 0 && f != -5) {
    fprintf(stderr, "unable to open ftdi device: %d - %s\n",f,ftdic2.error_str);
    exit(-1);
  }

  printf("ftdi open succeeded: %d\n",f);

  printf("enabling bitbang mode\n");
  ftdi_enable_bitbang(&ftdic2, 0xFF);


  unsigned char buf[1];

  sleep(3);

  buf[0] = 0x0;
  printf("turning everything on\n");
  f = ftdi_write_data(&ftdic, buf, 1);
  if(f < 0) {
    fprintf(stderr,"write failed for 0x%x, error %d - %s\n",buf[0],f,ftdic.error_str);
  }

  sleep(3);

  buf[0] = 0xFF;
  printf("turning everything off\n");
  f = ftdi_write_data(&ftdic, buf, 1);
  if(f < 0) {
    fprintf(stderr,"write failed for 0x%x, error %d - %s\n",buf[0],f,ftdic.error_str);
  }

  sleep(3);

  for(i = 0; i < 32; i++) {
    buf[0] =  0 | (0xFF ^ 1 << (i % 8));
    if( i > 0 && (i % 8) == 0) {
      printf("\n");
    }
    printf("%02hhx ",buf[0]);
    fflush(stdout);
    f = ftdi_write_data(&ftdic, buf, 1);
    if(f < 0) {
      fprintf(stderr,"write failed for 0x%x, error %d -%s\n",buf[0],f,ftdic.error_str);
    }
    sleep(1);
  }

  printf("\n");
  
  printf("disabling bitbang mode\n");
  ftdi_disable_bitbang(&ftdic);

  ftdi_usb_close(&ftdic);
  ftdi_deinit(&ftdic);
  return 0;
}