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) { case 0: node.status({fill:"green",shape:"ring",text:"low"}); if (node.interrupt=== "f" || node.interrupt === "b") { node.send(msg); } break; case 1: node.status({fill:"green",shape:"dot",text:"high"}); if (node.interrupt=== "r" || node.interrupt === "b") { node.send(msg); } break; default: node.status({fill:"grey",shape:"ring",text:"unknown"}); } }); switch (node.x.read()) { case 0: node.status({fill:"green",shape:"ring",text:"low"}); break; case 1: node.status({fill:"green",shape:"dot",text:"high"}); break; default: node.status({}); } this.on('close', function() { node.x.isr(m.EDGE_BOTH, null); }); } RED.nodes.registerType("mraa-gpio-din", gpioDin); }