Bit-bang me some binary

bitbang.c

/* hello-ftdi.c: flash LED connected between CTS and GND.
   This example uses the libftdi API.
   Minimal error checking; written for brevity, not durability. */

#include <stdio.h>
#include <ftdi.h>
#include <time.h>

#define CTS 0x08  /* CTS (brown wire on FTDI cable) */

int main()
{
    unsigned char c = 0;
    struct ftdi_context ftdic;
    unsigned long cpuMask;
    cpuMask = 2; // bind to cpu 1

    /* Initialize context for subsequent function calls */
    ftdi_init(&ftdic);

    /* Open FTDI device based on FT232R vendor & product IDs */
    if(ftdi_usb_open(&ftdic, 0x0403, 0x6001) < 0) {
        puts("Can't open device");
        return 1;
    }

    /* Enable bitbang mode with a single output line */
    ftdi_enable_bitbang(&ftdic, CTS);
    struct timespec request;

    unsigned char train[] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1,1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0,
      1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ,1, 1 ,1, 1, 1, 1 ,1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
    };
    unsigned long len = sizeof(train) / sizeof(train[0]);
    unsigned index = 0;
    unsigned max = len;
    printf("Number of bits: %i\n", max);

    for(;;) {
        request.tv_sec = 0;
        request.tv_nsec = 1800000L;

        //c = train[index++];
        c = train[index++] == 0 ? CTS : 0;
        ftdi_write_data(&ftdic, &c, 1);

        while(nanosleep(&request, &request) == -1) {
          continue;
        }

        if(index > max) {
          index = 0;
        }
    }
}