72 lines
2.1 KiB
JavaScript
72 lines
2.1 KiB
JavaScript
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const http = require('http')
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const { Gpio } = require('onoff');
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const globalVars = require('../libs/globalVars')
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const led = require('../libs/led')
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const redLED = new Gpio('4', 'out');
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const blueLED = new Gpio('27', 'out')
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const greenLED = new Gpio('22', 'out')
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const lcd = require('../libs/lcd')
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setInterval(function () {
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var rest_options = {
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host: '192.168.4.5',
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port: 2020,
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path: '/water/status',
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method: 'GET'
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};
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var request = http.request(rest_options, function (response) {
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var content = "";
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// Handle data chunks
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response.on('data', function (chunk) {
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content += chunk;
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});
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// Once we're done streaming the response, parse it as json.
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response.on('end', function () {
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var data = JSON.parse(content);
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let waterOn = data.waterOn
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if (globalVars.waterOn === "" || globalVars.waterOn === "error") {
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if (waterOn === 'true') {
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lcd.heatingStatus('Heating')
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led.set('red')
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globalVars.waterOn = waterOn
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} else {
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lcd.heatingStatus('Not Heating')
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led.set('blue')
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globalVars.waterOn = waterOn
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}
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} else {
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if (waterOn != globalVars.waterOn) {
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if (waterOn === 'true') {
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lcd.heatingStatus('Heating')
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led.set('red')
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globalVars.waterOn = waterOn
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} else {
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lcd.heatingStatus('Not Heating')
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led.set('blue')
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globalVars.waterOn = waterOn
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}
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}
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}
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});
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});
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// Report errors
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request.on('error', function (error) {
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lcd.heatingStatus('Error')
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led.set('green')
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lcd.heatingStatus('Error No Data')
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globalVars.waterOn = 'error'
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});
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request.end();
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}, 5000);
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module.exports = {
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setInterval
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}
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