event emmiter based connect
Now with event emitter to divide code more easily.
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1 changed files with 23 additions and 12 deletions
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@ -6,14 +6,18 @@ var events = require('events'),
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var Arduino = function (baudrate) {
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this.baudrate = baudrate && baudrate || 9600;
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this.writeBuffer = [];
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this.success;
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}
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util.inherits(Arduino, events.EventEmitter);
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Arduino.prototype.HIGH = '255';
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Arduino.prototype.LOW = '000';
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Arduino.prototype.setup = function () {
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var self = this;
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child.exec('cd ../arduino && ino build && ino upload', function(err, stdout, stderr){
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if(err){console.log('Please install the ino utility and connect arduino!\nIf there are other open programs that communicate with the arduino, close them!'); return self.success = false;}
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if(err){console.log('Please install the ino utility and connect arduino!\nIf there are other open programs that communicate with the arduino, close them!'); return;}
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var buff = stdout.slice(stdout.indexOf('Guessing serial port ... ')+25);
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buff = buff.slice(0, buff.indexOf('\n'));
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@ -26,24 +30,31 @@ Arduino.prototype.setup = function () {
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self.serial.open(function (error) {
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if ( error ) {
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console.log('Please check arduino!')
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return self.success = false;
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console.log('Please check arduino!');
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return;
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}
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self.serial.write(new Buffer('00000000'));
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self.success = true;
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self.processWriteBuffer();
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});
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serial.on('open', setTimout(function () {
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self.serial.write(new Buffer('00000000'));
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self.emit('success');
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self.serial.on('data', function(data){
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self.emit('data', data);
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});
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self.processWriteBuffer();
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}), 500);
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});
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}
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Arduino.prototype.write = function (m) {
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Arduino.prototype.write = function (message) {
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if (this.serial) {
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console.log('sending '+m);
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this.serial.write(m);
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console.log('sending '+message);
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this.serial.write(message);
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} else {
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this.writeBuffer.push(m);
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this.writeBuffer.push(message);
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console.log('Board isn\'t available (yet?).')
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}
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}
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