31 lines
657 B
JavaScript
31 lines
657 B
JavaScript
var events = require('events'),
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util = require('util');
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var Sensor = function (arduino, pin) {
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if(!arduino || !pin) {console.log("Arduino or pin not set!");}
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this.arduino = arduino;
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this.pin = pin;
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this.arduino.on('data', function (message) {
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var m = message.slice(0, -1).split('-'),
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err = null;
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if (m.length != 2 && this.pin != m[0]) {
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return;
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}
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this.emit('read', err, m[1]);
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}.bind(this));
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}
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util.inherits(Sensor, events.EventEmitter);
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Sensor.prototype.trigger = function() {
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this.arduino.write(new Buffer('Y' + String.fromCharCode(this.pin) + '000000', 'ascii'));
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};
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module.exports = Sensor; |