Method set_led

Software/C/GoPiGo3.cpp:195–203

}

int GoPiGo3::set_led(uint8_t led, uint8_t red, uint8_t green, uint8_t blue){
  spi_array_out[0] = Address;
  spi_array_out[1] = GPGSPI_MESSAGE_SET_LED;
  spi_array_out[2] = led;
  spi_array_out[3] = red;
  spi_array_out[4] = green;
  spi_array_out[5] = blue;
  return spi_transfer_array(6, spi_array_out, spi_array_in);
}

float GoPiGo3::get_voltage_5v(){
  float voltage;