hestia/main.js

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/* Pellet Stove Control Panel
* Written by Skylar Grant
* v0.2.0
*
* TODO:
* Add logic for other sensors
* More documentation?
*/
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// Custom functions module to keep main script clean
const fn = require('./functions.js').functions;
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// Config File
const config = require('./config.json');
config.startTime = Date.now();
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// Environment Variables Importing
const dotenv = require('dotenv').config();
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// Setup for use with the Pi's GPIO pins
if (process.env.ONPI == 'true') {
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console.log(`[${(Date.now() - config.startTime)/1000}] == Running on a Raspberry Pi.`);
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const gpio = require('rpi-gpio');
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fn.init(gpio).then((res) => {
console.log(`[${(Date.now() - config.startTime)/1000}] I: ${res}`);
main(fn, gpio);
}).catch(rej => {
console.error(`[${(Date.now() - config.startTime)/1000}] E: ${rej}`);
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});
} else if (process.env.ONPI == 'false') {
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console.log(`[${(Date.now() - config.startTime)/1000}] I: Not running on a Raspberry Pi.`);
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const gpio = 'gpio';
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fn.init(gpio).then(res => {
console.log(`[${(Date.now() - config.startTime)/1000}] I: ${res}`);
main(fn, gpio);
}).catch(rej => {
console.error(rej);
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});
} else {
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console.error(`[${Date.now() - config.startTime}] E: Problem with ENV file.`);
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}
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// TODO Add logic for other sensors
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// Main function, turns the auger on, sleeps for the time given in environment variables, then turns the auger off, sleeps, repeats.
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async function main(fn, gpio) {
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// Check for the existence of certain files
fn.files.check().then((res,rej) => {
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// Log the result of the check if in debug mode
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if (config.debugMode) console.log(`[${(Date.now() - config.startTime)/1000}] I: File Check: ${res}`);
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// Choose what to do depending on the result of the check
switch (res) {
case "pause":
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// Pause the script
fn.commands.pause().then(() => {
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// Rerun this function once the pause has finished
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main(fn, gpio);
});
break;
case "reload":
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// Reload the environment variables
fn.commands.reload().then(() => {
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// Rerun this function once the reload has finished
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main(fn, gpio);
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}).catch(rej => {
console.error(`[${(Date.now() - config.startTime)/1000}] E: ${rej}`);
});
break;
case "quit":
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// Quit the script
fn.commands.quit();
break;
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case "ignite":
// Start the igniter and timer
fn.commands.ignite(gpio).then(res => {
if (config.debugMode) console.log(res);
}).catch(rej => {
console.error(`[${(Date.now() - config.startTime)/1000}] E: ${rej}`);
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fn.commands.shutdown(gpio).then(res => {
fn.commands.quit();
}).catch(rej => {
console.error(rej);
fn.commands.quit();
});
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});
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break;
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case "start":
// Start the stove
fn.commands.startup(gpio).then(res => {
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statusCheck(fn, gpio);
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}).catch(rej => {
});
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break;
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case "none":
// If no special files are found, cycle the auger normally
if (config.status.auger == 1) {
fn.auger.cycle(gpio).then((res) => {
// Log the auger cycle results if in debug mode.
if (config.debugMode) console.log(`[${(Date.now() - config.startTime)/1000}] I: ${res}`);
// Run the status check function
statusCheck(fn, gpio);
// Rerun this function once the cycle is complete
// main(fn, gpio);
});
} else {
fn.commands.pause().then(res => {
statusCheck(fn, gpio);
});
}
break;
default:
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// If we don't get a result from the file check, or for some reason it's an unexpected response, log it and quit the script.
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console.error(`[${(Date.now() - config.startTime)/1000}] E: No result was received, something is wrong.\nres: ${res}`);
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fn.commands.quit();
break;
}
});
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}
function statusCheck(fn, gpio) {
fn.tests.igniter(gpio).then((res) => {
if (config.debugMode) console.log(`[${(Date.now() - config.startTime)/1000}] I: ${res}`);
main(fn, gpio);
});
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}