/* test_i2c.cpp
 * Compile with:
 *   g++ test_i2c.cpp -lwiringPi
 */
#include <iostream>
#include <errno.h>
#include <wiringPiI2C.h>

int main() {

   /* Provide the i2c address from `sudo i2cdetect` */
   int file_handle = wiringPiI2CSetup(0x60);

   int result = wiringPiI2CWrite(file_handle, 0x40, 0xDEAD );
   if (result == -1) {
      std::cout << "Error #" << errno << std::endl;
   } else {
       std::cout << "Result: " << result << std::endl;
   }

   return 0;
}