PiezoVibration

/**
* Add -lupm-ldt0028 flag
*/
#include <iostream>
#include <iomanip>
#include <cmath>
#include <mraa.hpp>
#include <upm/ldt0028.h>

using namespace std;

const int NUMBER_OF_SECONDS = 10;
const int MICROSECONDS_PER_SECOND = 1000000;
const int SAMPLES_PER_SECOND = 50;
const int THRESHOLD = 100;

int main() {
	// Create the LDT0-028 Piezo Vibration Sensor object using AIO pin 0
	upm::LDT0028* sensor = new upm::LDT0028(1);
	mraa::Gpio* led = new mraa::Gpio(13, true, false);

	led->write(0);

	uint16_t buffer;
	for (;;) {
		buffer = (uint16_t)sensor->getSample();
		if (buffer > 100) {
			led->write(1);
			printf("SIT\n");
		}
		else {
			led->write(0);
		}
		usleep(MICROSECONDS_PER_SECOND / SAMPLES_PER_SECOND);
	}
	
	// Delete the sensor object
	delete sensor;

	return 0;
}