51 lines
1.6 KiB
JavaScript
51 lines
1.6 KiB
JavaScript
/**
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* Copyright 2015 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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module.exports = function(RED) {
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var m = require('mraa');
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function gpioPWM(n) {
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RED.nodes.createNode(this, n);
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this.pin = Number(n.pin);
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this.period = Number(n.period) || 100;
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var node = this;
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node.p = new m.Pwm(node.pin);
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//node.p.dir(m.DIR_OUT);
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//node.p.mode(m.PIN_PWM);
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node.p.enable(true);
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node.p.period_ms(node.period);
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node.on("input", function(msg) {
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if (msg.payload) {
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node.p.write(Number(msg.payload));
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}
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});
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this.on('close', function() {
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node.p.enable(false);
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});
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}
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RED.nodes.registerType("mraa-gpio-pwm", gpioPWM);
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RED.httpAdmin.get('/mraa-gpio/:id', RED.auth.needsPermission('mraa-gpio.read'), function(req,res) {
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res.json(m.getPlatformType());
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});
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RED.httpAdmin.get('/mraa-version/:id', RED.auth.needsPermission('mraa-version.read'), function(req,res) {
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res.json(m.getVersion());
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});
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}
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