node-red-nodes/hardware/intel/mraa-gpio-dout.js

42 lines
1.2 KiB
JavaScript

module.exports = function(RED) {
var m = require('mraa');
function gpioDout(n) {
RED.nodes.createNode(this, n);
this.pin = Number(n.pin);
this.set = n.set;
this.level = Number(n.level);
var node = this;
if (node.pin === 14) {
node.p = new m.Gpio(3,false,true); // special for onboard LED v1
} else {
node.p = new m.Gpio(node.pin);
}
node.p.mode(m.PIN_GPIO);
node.p.dir(m.DIR_OUT);
if (node.set) {
node.p.write(node.level);
}
node.on("input", function(msg) {
if (msg.payload == "1") {
node.p.write(1);
} else {
node.p.write(0);
}
});
this.on('close', function() {
});
}
RED.nodes.registerType("mraa-gpio-dout", gpioDout);
RED.httpAdmin.get('/mraa-gpio/:id', RED.auth.needsPermission('mraa-gpio.read'), function(req,res) {
res.json(m.getPlatformType());
});
RED.httpAdmin.get('/mraa-version/:id', RED.auth.needsPermission('mraa-version.read'), function(req,res) {
res.json(m.getVersion());
});
}