Added web control

jazeee · Jan 1, 2016 · db840b2 · db840b2
1 parent 19fd227
commit db840b2
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Showing 3 changed files with 68 additions and 2 deletions.
diff --git a/index.coffee b/index.coffee
@@ -1,5 +1,8 @@
 gpio = require "pi-gpio"
 Promise = require "bluebird"
+http = require "http"
+dispatcher = require "httpdispatcher"
+fs = require "fs"
 
 Promise.promisifyAll gpio
 
@@ -13,6 +16,46 @@ if isReverseDirection
 	ports = [12, 16, 7, 18]
 outputs = [1, 1, 0, 0]
 
+dispatcher.onGet "/up", (request, response) ->
+	response.writeHead 200, {'Content-type': "text/plain"}
+	response.end "Moving Up"
+	moveMotor true
+dispatcher.onGet "/down", (request, response) ->
+	response.writeHead 200, {'Content-type': "text/plain"}
+	response.end "Moving Down"
+	moveMotor false
+dispatcher.onGet "/stop", (request, response) ->
+	response.writeHead 200, {'Content-type': "text/plain"}
+	response.end "Stopping"
+	clearInterval motorInterval
+
+dispatcher.onGet "/", (request, response) ->
+	index = fs.createReadStream "index.html"
+	index.pipe response
+
+server = http.createServer (request, response) ->
+	try
+		console.log request.url
+		dispatcher.dispatch request, response
+	catch error
+		console.error error
+
+motorInterval = undefined
+
+moveMotor = (isReverseDirection) ->
+	ports = [18, 16, 7, 12]
+	if isReverseDirection
+		ports = [12, 16, 7, 18]
+	clearInterval motorInterval
+	motorInterval = setInterval( ->
+		for port, index in ports
+			output = outputs[index]
+			if isDebug
+				console.log port, "->", output
+			gpio.writeAsync port, output
+		outputs= [outputs.splice(1)..., outputs...]
+	1)
+
 Promise.all do ->
 	portsToOpen = []
 	for port in ports
@@ -29,8 +72,7 @@ Promise.all do ->
 			gpio.writeAsync port, output
 		outputs= [outputs.splice(1)..., outputs...]
 		i++
-		if i > 10000
-			closePorts()
+		if i > 10
 			clearInterval interval
 	1)
 .catch ->
@@ -40,3 +82,6 @@ closePorts = ->
 	console.log "********** Closing **********"
 	for port in ports
 		gpio.close port
+
+server.listen 8000, ->
+	console.log "Listenting on port 8000"
diff --git a/index.html b/index.html
@@ -0,0 +1,20 @@
+<html>
+<head>
+</head>
+<body>
+<h1>Chopper</h1>
+<button value="up">Up</button>
+<button value="down">Down</button>
+<button value="stop">Stop</button>
+
+<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
+<script type="text/javascript">
+console.log("Start");
+$("button").click( 
+function(event){
+	console.log(event);
+	$.get("/" + event.currentTarget.value)
+});
+</script>
+</body>
+
diff --git a/package.json b/package.json
@@ -2,6 +2,7 @@
   "name": "NodeRaspberryPi",
   "dependencies": {
     "bluebird": "^3.1.1",
+    "httpdispatcher": "^0.4.0",
     "pi-gpio": "0.0.8"
   }
 }