104 lines
3.5 KiB
JavaScript
104 lines
3.5 KiB
JavaScript
// Get environment variables
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const dotenv = require('dotenv').config();
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// Module for working with files
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const fs = require('fs');
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// Setup for use with the Pi's GPIO pins
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const gpio = require('rpi-gpio');
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// Set up GPIO 4 (pysical pin 7) as output, then call functions.auger.ready()
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gpio.setup(7, gpio.DIR_OUT, this.functions.auger.ready);
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// The functions we'll export to be used in other files
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const functions = {
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auger: {
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ready(err) {
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if (err) throw err;
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console.log('Auger GPIO Ready');
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return;
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},
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// Turns the auger on (Pin 7 high)
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on() {
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gpio.write(7, true, function(err) {
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if (err) throw err;
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if (process.env.DEBUG == "true") console.log('Auger turned on.');
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});
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},
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// Turns the auger off (pin 7 low)
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off() {
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gpio.write(7, false, function(err) {
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if (err) throw err;
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if (process.env.DEBUG == "true") console.log('Auger turned off.');
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});
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},
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// Cycles the auger using the two functions above this one (functions.auger.on() and functions.auger.off())
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// Sleeps in between cycles using functions.sleep()
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cycle() {
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this.on();
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functions.sleep(process.env.ONTIME);
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this.off();
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functions.sleep(process.env.OFFTIME);
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return;
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},
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},
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files: {
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async check() {
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// TODO this code needs to be finished from migration
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// Check for pause file existing, then sleep for preset time, then run the function again.
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if (fs.existsSync('./pause')) {
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return "pause";
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}
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// Check for reload file existing, then reload environment variables, then delete the file.
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if (fs.existsSync('./reload')) {
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return "reload";
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}
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// Check for quit file existing, then delete it, then quit the program
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if (fs.existsSync('./quit')) {
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return "quit";
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}
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return "none";
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},
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},
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commands: {
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pause() {
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console.log('Paused...');
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this.sleep(process.env.PAUSETIME).then(() => { return; });
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return;
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},
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reload() {
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dotenv.config({ override: true })
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fs.unlink('./reload', (err) => {
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if (err) throw err;
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console.log('Deleted reload file.');
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});
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console.log('Reloaded environment variables.');
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console.log(`ONTIME=${process.env.ONTIME}\nOFFTIME=${process.env.OFFTIME}\nPAUSETIME=${process.env.PAUSETIME}\nDEBUG=${process.env.DEBUG}`);
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return;
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},
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quit() {
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fs.unlink('./quit', (err) => {
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if (err) throw err;
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console.log('Removed quit file.');
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});
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console.log('Quitting...');
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process.exit();
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},
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},
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// Sleeps for any given milliseconds, call with await
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sleep(ms) {
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return new Promise((resolve) => {
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setTimeout(resolve, ms);
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if (process.env.DEBUG == "true") console.log(`Slept for ${ms}ms`);
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});
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},
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init() {
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// Write the current env vars to console
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console.log('Environment variables:');
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console.log(`ONTIME=${process.env.ONTIME}\nOFFTIME=${process.env.OFFTIME}\nPAUSETIME=${process.env.PAUSETIME}\nDEBUG=${process.env.DEBUG}`);
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return true;
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},
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}
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module.exports = { functions } |