Method get_grove_state

Software/C/GoPiGo3.cpp:569–573

}

uint8_t GoPiGo3::get_grove_state(uint8_t pin){
  uint8_t value;
  get_grove_state(pin, value);
  return value;
}

int GoPiGo3::get_grove_state(uint8_t pin, uint8_t &value){
  value = 0;