1
0
mirror of https://github.com/node-red/node-red-nodes.git synced 2023-10-10 13:36:58 +02:00
node-red-nodes/hardware/intel/mraa-gpio-din.js

57 lines
1.8 KiB
JavaScript
Raw Normal View History

2015-09-21 18:03:50 +02:00
module.exports = function(RED) {
var m = require('mraa');
//console.log("BOARD :",m.getPlatformName());
function gpioDin(n) {
RED.nodes.createNode(this,n);
this.pin = n.pin;
this.interrupt = n.interrupt;
this.x = new m.Gpio(parseInt(this.pin));
this.board = m.getPlatformName();
var node = this;
node.x.mode(m.PIN_GPIO);
node.x.dir(m.DIR_IN);
node.x.isr(m.EDGE_BOTH, function() {
var g = node.x.read();
var msg = { payload:g, topic:node.board+"/D"+node.pin };
switch (g) {
2017-01-29 18:45:44 +01:00
case 0: {
2015-09-21 18:03:50 +02:00
node.status({fill:"green",shape:"ring",text:"low"});
if (node.interrupt=== "f" || node.interrupt === "b") {
node.send(msg);
}
break;
2017-01-29 18:45:44 +01:00
}
case 1: {
2015-09-21 18:03:50 +02:00
node.status({fill:"green",shape:"dot",text:"high"});
if (node.interrupt=== "r" || node.interrupt === "b") {
node.send(msg);
}
break;
2017-01-29 18:45:44 +01:00
}
default: {
2015-09-21 18:03:50 +02:00
node.status({fill:"grey",shape:"ring",text:"unknown"});
2017-01-29 18:45:44 +01:00
}
2015-09-21 18:03:50 +02:00
}
});
switch (node.x.read()) {
2017-01-29 18:45:44 +01:00
case 0: {
2015-09-21 18:03:50 +02:00
node.status({fill:"green",shape:"ring",text:"low"});
break;
2017-01-29 18:45:44 +01:00
}
case 1: {
2015-09-21 18:03:50 +02:00
node.status({fill:"green",shape:"dot",text:"high"});
break;
2017-01-29 18:45:44 +01:00
}
default: {
2015-09-21 18:03:50 +02:00
node.status({});
2017-01-29 18:45:44 +01:00
}
2015-09-21 18:03:50 +02:00
}
this.on('close', function() {
node.x.isr(m.EDGE_BOTH, null);
});
}
RED.nodes.registerType("mraa-gpio-din", gpioDin);
}