module.exports = function(RED) { "use strict"; var Pigpio = require('js-pigpio'); var bcm2pin = { "2":"3", "3":"5", "4":"7", "14":"8", "15":"10", "17":"11", "18":"12", "27":"13", "22":"15", "23":"16", "24":"18", "10":"19", "9":"21", "25":"22", "11":"23", "8":"24", "7":"26", "5":"29", "6":"31", "12":"32", "13":"33", "19":"35", "16":"36", "26":"37", "20":"38", "21":"40" }; var pinTypes = { "PUD_OFF":RED._("pi-gpiod:types.input"), "PUD_UP":RED._("pi-gpiod:types.pullup"), "PUD_DOWN":RED._("pi-gpiod:types.pulldown"), "out":RED._("pi-gpiod:types.digout"), "pwm":RED._("pi-gpiod:types.pwmout"), "ser":RED._("pi-gpiod:types.servo") }; function GPioInNode(n) { RED.nodes.createNode(this,n); this.host = n.host || "127.0.0.1"; this.port = n.port || 8888; this.pin = n.pin; this.pio = bcm2pin[n.pin]; this.intype = n.intype; this.read = n.read || false; this.debounce = Number(n.debounce || 25); var node = this; var PiGPIO; if (node.pin !== undefined) { PiGPIO = new Pigpio(); var inerror = false; var doit = function() { PiGPIO.pi(node.host, node.port, function(err) { if (err) { node.status({fill:"red",shape:"ring",text:err.code+" "+node.host+":"+node.port}); if (!inerror) { node.error(err); inerror = true; } node.retry = setTimeout(function() { doit(); }, 5000); } else { inerror = false; PiGPIO.set_mode(node.pin,PiGPIO.INPUT); PiGPIO.set_pull_up_down(node.pin,PiGPIO[node.intype]); PiGPIO.set_glitch_filter(node.pin,node.debounce); node.status({fill:"green",shape:"dot",text:"node-red:common.status.ok"}); node.cb = PiGPIO.callback(node.pin, PiGPIO.EITHER_EDGE, function(gpio, level, tick) { node.send({ topic:"pi/"+node.pio, payload:Number(level) }); node.status({fill:"green",shape:"dot",text:level}); }); if (node.read) { setTimeout(function() { PiGPIO.read(node.pin, function(err, level) { node.send({ topic:"pi/"+node.pio, payload:Number(level) }); node.status({fill:"green",shape:"dot",text:level}); }); }, 20); } } }); } doit(); } else { node.warn(RED._("pi-gpiod:errors.invalidpin")+": "+node.pio); } node.on("close", function(done) { if (node.retry) { clearTimeout(node.retry); } node.status({fill:"grey",shape:"ring",text:"pi-gpiod.status.closed"}); node.cb.cancel(); PiGPIO.close(); done(); }); } RED.nodes.registerType("pi-gpiod in",GPioInNode); function GPioOutNode(n) { RED.nodes.createNode(this,n); this.host = n.host || "127.0.0.1"; this.port = n.port || 8888; this.pin = n.pin; this.pio = bcm2pin[n.pin]; this.set = n.set || false; this.level = parseInt(n.level || 0); this.out = n.out || "out"; this.sermin = Number(n.sermin); this.sermax = Number(n.sermax); if (this.sermin > this.sermax) { var tmp = this.sermin; this.sermin = this.sermax; this.sermax = tmp; } if (this.sermin < 5) { this.sermin = 5; } if (this.sermax > 25) { this.sermax = 25; } var node = this; var PiGPIO; function inputlistener(msg) { if (msg.payload === "true") { msg.payload = true; } if (msg.payload === "false") { msg.payload = false; } var out = Number(msg.payload); var limit = 1; if (node.out !== "out") { limit = 100; } if ((out >= 0) && (out <= limit)) { if (RED.settings.verbose) { node.log("out: "+msg.payload); } if (node.out === "out") { PiGPIO.write(node.pin, msg.payload); } if (node.out === "pwm") { PiGPIO.set_PWM_dutycycle(node.pin, parseInt(msg.payload * 2.55)); } if (node.out === "ser") { var r = (node.sermax - node.sermin) * 100; PiGPIO.setServoPulsewidth(node.pin, parseInt(1500 - (r/2) + (msg.payload * r / 100))); } node.status({fill:"green",shape:"dot",text:msg.payload.toString()}); } else { node.warn(RED._("pi-gpiod:errors.invalidinput")+": "+out); } } if (node.pin !== undefined) { PiGPIO = new Pigpio(); var inerror = false; var doit = function() { PiGPIO.pi(node.host, node.port, function(err) { if (err) { node.status({fill:"red",shape:"ring",text:err.code+" "+node.host+":"+node.port}); if (!inerror) { node.error(err,err); inerror = true; } node.retry = setTimeout(function() { doit(); }, 5000); } else { PiGPIO.set_mode(node.pin,PiGPIO.OUTPUT); if (node.set) { setTimeout(function() { PiGPIO.write(node.pin,node.level); }, 25 ); node.status({fill:"green",shape:"dot",text:node.level}); } else { node.status({fill:"green",shape:"dot",text:"node-red:common.status.ok"}); } // if (node.out === "pwm") { // PiGPIO.set_PWM_frequency(1000); // PiGPIO.set_PWM_range(1000); // } } }); } doit(); node.on("input", inputlistener); } else { node.warn(RED._("pi-gpiod:errors.invalidpin")+": "+node.pio); } node.on("close", function(done) { if (node.retry) { clearTimeout(node.retry); } node.status({fill:"grey",shape:"ring",text:"pi-gpiod.status.closed"}); PiGPIO.close(); done(); }); } RED.nodes.registerType("pi-gpiod out",GPioOutNode); }