const Gpio = require('onoff').Gpio;
const L1 = new Gpio(23, 'out');
const L2 = new Gpio(24, 'out');
L1.writeSync(1);
L2.writeSync(1);
const nano = require("nanotimer");

//==================================//
betweenSignal = '1m';
signalFrequency = '50m';
signalInfromation = '2112120121202010210';

//==================================//

var timer = new nano();
var timer2 = new nano();

function zero() {
	L1.writeSync(1);
	L2.writeSync(1);
}
function one() {
	L1.writeSync(1);
	L2.writeSync(0);
}
function two() {
	L1.writeSync(0);
	L2.writeSync(1);
}
async function wait() {
	return new Promise((resolve) => {
		timer2.setTimeout(() => {
			resolve();
		}, '', betweenSignal)
	})
}

async function transmit(data) {
	for (let i = 0; i < data.length; i++) {
		if (data[i] == 0) {
			zero();
			await wait();
		}
		if (data[i] == 1) {
			one();
			await wait();
		}
		if (data[i] == 2) {
			two();
			await wait();
		}
	}
	zero();
}


timer.setInterval(transmit, [signalInfromation], signalFrequency);