implemented port guessing and auto upload
uses the ino utility to auto upload to the arduino
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1 changed files with 26 additions and 10 deletions
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@ -1,24 +1,40 @@
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var express = require('express');
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var router = express.Router();
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var sucess = true;
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var SerialPort = require("serialport").SerialPort
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serialPort = new SerialPort("/dev/ttyACM0", {
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baudrate: 9600
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}, false);
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var child = require("child_process");
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serialPort.open(function (error) {
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if ( error ) {
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sucess = false;
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}
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var SerialPort = require("serialport").SerialPort
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var success;
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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 success = false;}
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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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console.log('Guessing serial port ... ' + buff);
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serialPort = new SerialPort(buff, {
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baudrate: 9600
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}, false);
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serialPort.open(function (error) {
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if ( error ) {
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console.log('Please check arduino!')
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return successfalse;
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}
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});
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return success = true;
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});
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//console.log(success);
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/* GET home page. */
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router.get('/', function(req, res, next) {
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res.render('index', { title: 'Express' });
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});
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router.get('/toggleLight', function (req, res) {
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if(sucess) { serialPort.write(new Buffer('~','ascii')); } else {console.log("arduino not connected")}
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if(success) { serialPort.write(new Buffer('~','ascii')); } else {console.log("arduino not connected")}
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res.send('switch light');
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});
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