Method get_id

Software/C/GoPiGo3.cpp:179–193

}

int GoPiGo3::get_id(char *str){
  spi_array_out[0] = Address;
  spi_array_out[1] = GPGSPI_MESSAGE_GET_ID;
  // assign error to the value returned by spi_read_32, and if not 0:
  if(int error = spi_transfer_array(20, spi_array_out, spi_array_in)){
    return error;
  }
  if(spi_array_in[3] != 0xA5){
    return ERROR_SPI_RESPONSE;
  }
  for(int i = 0; i < 16; i++){
    sprintf((str + (i * 2)), "%02X", spi_array_in[i + 4]);
  }
  return ERROR_NONE;
}

int GoPiGo3::set_led(uint8_t led, uint8_t red, uint8_t green, uint8_t blue){
  spi_array_out[0] = Address;