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https://github.com/node-red/node-red-nodes.git
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67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
/**
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* Copyright 2013 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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// Require main module
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//var RED = require(process.env.NODE_RED_HOME+"/red/red");
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module.exports = function(RED) {
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var PowerMate = require('node-powermate');
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var pm;
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// The main node definition - most things happen in here
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function powerMateNode(n) {
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RED.nodes.createNode(this,n);
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this.name = n.name;
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this.topic = n.topic;
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var node = this;
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pm = new PowerMate();
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pm.on('buttonDown', function() {
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var msg = {};
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msg.topic = node.topic + '/button';
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msg.payload = 'down';
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node.send(msg);
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});
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pm.on('buttonUp', function() {
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var msg = {};
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msg.topic = node.topic + '/button';
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msg.payload = 'up';
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node.send(msg);
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});
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pm.on('wheelTurn', function(delta) {
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var msg = {};
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msg.topic = node.topic + '/wheel';
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msg.payload = delta;
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node.send(msg);
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});
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node.on('close', function(){
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try {
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node.log('shutting down powerMate');
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} catch(err) {
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node.error(err);
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}
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});
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}
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RED.nodes.registerType("powerMate",powerMateNode);
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}
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