| /config.yml.dist |
|---|
| @@ -0,0 +1,28 @@ |
|---|
| ########################################################################### |
| ## Copyright (C) Wizardry and Steamworks 2018 - License: GNU GPLv3 ## |
| ## Please see: http://www.gnu.org/licenses/gpl.html for legal details, ## |
| ## rights of fair usage, the disclaimer and warranty conditions. ## |
| ########################################################################### |
| |
| log: "alexatts.log" |
| |
| mqtt: |
| url: "mqtt://server.tld" |
| # The topic to subscribe to. |
| topic: "alexatts/#" |
| |
| language: 'en-US' |
| |
| # The audio card to use in Alsa format (aplay should work) |
| card: 'sysdefault:CARD=audioinjectorpi' |
| |
| # The GPIO configuration maps the remote control buttons to GPIO pins as |
| # they are cabled between the device that the software runs on and the |
| # Alexa remote. |
| # ptt - push to talk, this is the top most button |
| GPIO: |
| ptt: 16 |
| |
| # This is the name of the Alexa device - the keyword you use to talk to |
| # the Alexa device. |
| alexa: 'Alexa' |
| /main.js |
|---|
| @@ -9,12 +9,22 @@ |
|---|
| const mqtt = require('mqtt') |
| const YAML = require('yamljs'); |
| const winston = require('winston') |
| const picoSpeaker = require('pico-speaker') |
| |
| // Load configuration file. |
| const config = YAML.load('config.yml'); |
| |
| const config = YAML.load('config.yml') |
| |
| // Define configuration for pico TTS. |
| var picoConfig = { |
| AUDIO_DEVICE: config.card, |
| LANGUAGE: config.language |
| }; |
| |
| // Initialize with config |
| picoSpeaker.init(picoConfig) |
| |
| // Generate GPIO pins for configuration. |
| var COOL = {}; |
| var ATTS = {}; |
| for(var i in config.GPIO) { |
| if(!config.GPIO.hasOwnProperty(i)) |
| continue; |
| @@ -22,7 +32,7 @@ |
|---|
| if(config.GPIO[i] === -1) |
| continue; |
| |
| COOL[i] = new Gpio(config.GPIO[i], 'out') |
| ATTS[i] = new Gpio(config.GPIO[i], 'out') |
| } |
| |
| // Set up logger. |
| @@ -43,31 +53,20 @@ |
|---|
| // Remove any retained message. |
| client.publish(topic, "", {retain: true}) |
| |
| message. |
| message = message.toString() |
| winston.info('Received message: ' + message) |
| if(!(message in config.GPIO)) { |
| winston.warn('Request to toggle unknown GPIO: ' + message) |
| return; |
| } |
| |
| var pin = config.GPIO[message] |
| if(pin === -1) { |
| winston.warn('GPIO pin for "' + message + '" is not configured') |
| return; |
| } |
| |
| winston.info('Toggling pin ' + pin + ' for ' + message) |
| COOL[message].write(1, (err) => { |
| |
| ATTS["ptt"].write(1, (err) => { |
| if(err) { |
| winston.err('Unable to toggle pin ' + pin + ' error message received is: ' + err.message) |
| winston.err('Unable to press push-to-talk button: ' + err.message) |
| return; |
| } |
| |
| setTimeout(function() { |
| winston.info('Toggled pin ' + pin + ' for ' + message) |
| COOL[message].write(0) |
| }, 1000) |
| |
| // Send the message. |
| picoSpeaker.speak(config.alexa + ", Simon says, " + message).then(function() { |
| winston.info('Message ' + message + ' sent to Alexa.') |
| |
| ATTS["ptt"].write(0) |
| }.bind(this)); |
| }) |
| }) |
| |
