87 lines
2.7 KiB
JavaScript
87 lines
2.7 KiB
JavaScript
module.exports = function(RED) {
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var m = require('mraa');
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function LEDNode(n) {
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RED.nodes.createNode(this, n);
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this.pin = Number(n.pin);
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this.color = Number(n.color);
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if (this.pin == 0) {
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this.user1_green = new m.Led(0); /*user-led1-green*/
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this.user1_red = new m.Led(1); /*user-led1-red*/
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} if(this.pin == 1) {
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this.user2_green = new m.Led(2); /*user-led2-green*/
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this.user2_red = new m.Led(3); /*user-led2-red*/
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}
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function set_led_green(led_green, led_red) {
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led_green.setBrightness(1);
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led_red.setBrightness(0);
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}
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function set_led_red(led_green, led_red) {
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led_green.setBrightness(0);
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led_red.setBrightness(1);
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}
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function set_led_orange(led_green, led_red) {
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led_green.setBrightness(1);
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led_red.setBrightness(1);
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}
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function turn_off_led(led_green, led_red) {
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led_green.setBrightness(0);
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led_red.setBrightness(0);
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}
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this.on("input", function(msg) {
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if (this.pin == 0) {
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this.led_green = this.user1_green;
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this.led_red = this.user1_red;
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}
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else if (this.pin == 1) {
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this.led_green = this.user2_green;
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this.led_red = this.user2_red;
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}
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if (msg.payload == "1") {
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switch(this.color) {
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case 0:
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set_led_green(this.led_green, this.led_red);
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break;
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case 1:
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set_led_red(this.led_green, this.led_red);
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break;
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case 2:
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set_led_orange(this.led_green, this.led_red);
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break;
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default:
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console.log("unexpected");
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break;
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}
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}
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else {
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turn_off_led(this.led_green, this.led_red);
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}
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});
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this.on('close', function() {
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if (this.pin == 0) {
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this.user1_green.close();
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this.user1_red.close();
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} if(this.pin == 1) {
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this.user2_green.close();
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this.user2_red.close();
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}
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});
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}
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RED.nodes.registerType("mraa-gpio-led", LEDNode);
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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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