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set makeymakey node to use the module.exports style

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This commit is contained in:
Dave C-J 2014-07-18 21:20:14 +01:00
parent 232a11983b
commit 76d05dc2cd
1 changed files with 61 additions and 59 deletions
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120
hardware/makey/42-makey.js
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@ -14,71 +14,73 @@
* limitations under the License.
**/
var RED = require(process.env.NODE_RED_HOME+"/red/red");
var hids = require('hidstream');
module.exports = function(RED) {
"use strict";
var hids = require('hidstream');
function MakeyNode(n) {
RED.nodes.createNode(this,n);
this.vid = 0x1b4f; // MakeyMakey vendor ID
this.pid = 0x2b75; // MakeyMakey product ID
var node = this;
var path = null;
var tout;
var click = false;
var keylookup = { "44":"space", "82":"up", "81":"down", "79":"right", "80":"left",
"26":"w", "4":"a", "22":"s", "7":"d", "9":"f", "10":"g" };
function MakeyNode(n) {
RED.nodes.createNode(this,n);
this.vid = 0x1b4f; // MakeyMakey vendor ID
this.pid = 0x2b75; // MakeyMakey product ID
var node = this;
var path = null;
var tout;
var click = false;
var keylookup = { "44":"space", "82":"up", "81":"down", "79":"right", "80":"left",
"26":"w", "4":"a", "22":"s", "7":"d", "9":"f", "10":"g" };
var findmakey = function() {
node.log("looking for MakeyMakey");
var devices = hids.getDevices();
for (var dev = 0; dev < devices.length; dev++) {
//node.log("Find:"+devices[dev].vendorId.toString(16)+":"+devices[dev].productId.toString(16));
if ((devices[dev].vendorId == node.vid) && (devices[dev].productId == node.pid)) {
path = devices[dev].path;
node.log("found MakeyMakey at: "+path); //path = "0003:0004:00";
break; // stop on first match
var findmakey = function() {
node.log("looking for MakeyMakey");
var devices = hids.getDevices();
for (var dev = 0; dev < devices.length; dev++) {
//node.log("Find:"+devices[dev].vendorId.toString(16)+":"+devices[dev].productId.toString(16));
if ((devices[dev].vendorId == node.vid) && (devices[dev].productId == node.pid)) {
path = devices[dev].path;
node.log("found MakeyMakey at: "+path); //path = "0003:0004:00";
break; // stop on first match
}
}
if (path === null) {
tout = setTimeout( function () {
findmakey();
},15000);
}
}
if (path === null) {
tout = setTimeout( function () {
findmakey();
},15000);
}
}
findmakey();
findmakey();
if (path != null) {
try {
node.makey = new hids.device(path);
node.makey.on("data", function(key) {
var msg = {payload:[]};
//console.log(key);
if (key.modKeys[0] === "shift") {
for (var keys = 0; keys < key.keyCodes.length; keys++) {
node.log(key.keyCodes[keys]+" : "+keylookup[key.keyCodes[keys].toString()]);
msg.payload.push(keylookup[key.keyCodes[keys].toString()]);
}
msg.payload = msg.payload.join();
node.send(msg);
}
else if (key.modKeys[0] === "ctrl") {
if (key.charCodes.length === 0) {
click = !click;
msg.payload = (click) ? "click" : "clock";
if (path != null) {
try {
node.makey = new hids.device(path);
node.makey.on("data", function(key) {
var msg = {payload:[]};
//console.log(key);
if (key.modKeys[0] === "shift") {
for (var keys = 0; keys < key.keyCodes.length; keys++) {
node.log(key.keyCodes[keys]+" : "+keylookup[key.keyCodes[keys].toString()]);
msg.payload.push(keylookup[key.keyCodes[keys].toString()]);
}
msg.payload = msg.payload.join();
node.send(msg);
}
}
else { console.log(key); }
});
} catch(err) { node.warn("can't open MakeyMakey: Do you need root access ?"); }
}
else {
findmakey();
}
else if (key.modKeys[0] === "ctrl") {
if (key.charCodes.length === 0) {
click = !click;
msg.payload = (click) ? "click" : "clock";
node.send(msg);
}
}
else { console.log(key); }
});
} catch(err) { node.warn("can't open MakeyMakey: Do you need root access ?"); }
}
else {
findmakey();
}
this.on("close", function() {
if (tout) { clearTimeout(tout); }
if (node.makey) { node.makey.device.close(); }
});
this.on("close", function() {
if (tout) { clearTimeout(tout); }
if (node.makey) { node.makey.device.close(); }
});
}
RED.nodes.registerType("makeymakey",MakeyNode);
}
RED.nodes.registerType("makeymakey",MakeyNode);