Method set_grove_mode

Software/C/GoPiGo3.cpp:360–366

}

int GoPiGo3::set_grove_mode(uint8_t pin, uint8_t mode){
  spi_array_out[0] = Address;
  spi_array_out[1] = GPGSPI_MESSAGE_SET_GROVE_MODE;
  spi_array_out[2] = pin;
  spi_array_out[3] = mode;
  return spi_transfer_array(4, spi_array_out, spi_array_in);
}

int GoPiGo3::set_grove_state(uint8_t pin, uint8_t state){
  spi_array_out[0] = Address;