Last active
August 29, 2015 13:56
-
-
Save halfbyte/9273413 to your computer and use it in GitHub Desktop.
Super Simple Kritzler API
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
var port = "/dev/cu.usbmodem1421" | |
var serialPort = require("serialport"); | |
var express = require('express'); | |
var app = express(); | |
var SerialPort = serialPort.SerialPort; // localize object constructor | |
var sp = new SerialPort(port, { | |
baudrate: 57600, | |
parser: serialPort.parsers.readline("\n") | |
}); | |
var state = 0 | |
sp.on('open', function() { | |
console.log("Serial open"); | |
}); | |
sp.on('data', function(data) { | |
console.log("data: " + data); | |
if (data.match(/OK/)) { | |
if (state==0) { | |
state = 1; | |
} | |
} | |
}); | |
app.get('/', function(req, res) { | |
res.setHeader('Content-Type', 'text/plain'); | |
res.end("Usage: /c/x/y (command, x, y)\n"); | |
}); | |
app.get('/:c/:x/:y', function(req, res){ | |
var c = req.params.c; | |
var x = req.params.x; | |
var y = req.params.y; | |
res.setHeader('Content-Type', 'text/plain'); | |
if (state == 1 && ['m','M','l','L'].indexOf(c) != -1) { | |
var string = c + ' ' + x + " " + y + "\n"; | |
sp.write(string, function(err, result) { | |
if(err) { | |
console.log(err); | |
} else { | |
console.log("sent: " + result); | |
} | |
}); | |
var okayer = function(data) { | |
if (data.match(/OK/)) { | |
console.log("successful"); | |
res.end("OK"); | |
sp.removeListener('data', okayer); | |
} | |
}; | |
sp.on('data', okayer); | |
} else { | |
res.status('422').end('Kritzer bork bork bork.\n'); | |
} | |
}); | |
app.listen(3000); | |
console.log('Listening on port 3000'); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment