wiring

#include <iostream>
#include <errno.h>
#include <wiringPiSPI.h>
#include <unistd.h>

using namespace std;

// channel is the wiringPi name for the chip select (or chip enable) pin.
// Set this to 0 or 1, depending on how it's connected.
static const int CHANNEL = 1;

int main()
{
   int fd, result;
   unsigned char buffer[3];

   cout << "Initializing" << endl ;

   // Configure the interface.
   // CHANNEL insicates chip select,
   // 500000 indicates bus speed.
   fd = wiringPiSPISetup(CHANNEL, 500000);

   cout << "Init result: " << fd << endl;

   // clear display
   buffer[0] = 0xFF;

   while(1)
   {
   wiringPiSPIDataRW(CHANNEL, buffer, 1);

   sleep(100);
   }


}