diff options
Diffstat (limited to 'dgbuilder/core_nodes/hardware')
| -rw-r--r-- | dgbuilder/core_nodes/hardware/35-arduino.html | 171 | ||||
| -rw-r--r-- | dgbuilder/core_nodes/hardware/35-arduino.js | 160 | ||||
| -rw-r--r-- | dgbuilder/core_nodes/hardware/36-rpi-gpio.html | 182 | ||||
| -rw-r--r-- | dgbuilder/core_nodes/hardware/36-rpi-gpio.js | 185 |
4 files changed, 698 insertions, 0 deletions
diff --git a/dgbuilder/core_nodes/hardware/35-arduino.html b/dgbuilder/core_nodes/hardware/35-arduino.html new file mode 100644 index 00000000..17f02892 --- /dev/null +++ b/dgbuilder/core_nodes/hardware/35-arduino.html @@ -0,0 +1,171 @@ +<!-- + Copyright 2013,2014 IBM Corp. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +--> +<script type="text/x-red" data-template-name="arduino in"> + <div class="form-row"> + <label for="node-input-arduino"><i class="fa fa-tasks"></i> Arduino</label> + <input type="text" id="node-input-arduino"> + </div> + <div class="form-row"> + <label for="node-input-pin"><i class="fa fa-circle"></i> Pin</label> + <input type="text" id="node-input-pin" placeholder="2"> + </div> + <div class="form-row"> + <label for="node-input-state"><i class="fa fa-wrench"></i> Type</label> + <select type="text" id="node-input-state" style="width: 150px;"> + <option value="INPUT">Digital pin</option> + <option value="ANALOG">Analogue pin</option> + </select> + </div> + <div class="form-row"> + <label for="node-input-name"><i class="fa fa-tag"></i> Name</label> + <input type="text" id="node-input-name" placeholder="Name"> + </div> + <div class="form-tips"><b>Note:</b> You cannot use the same pin for both output and input.</div> +</script> + +<script type="text/x-red" data-help-name="arduino in"> + <p>Arduino input node. Connects to local Arduino and monitors the selected pin for changes. Uses <a href="http://firmata.org/" target="_new"><i>Firmata</i>.</a></p> + <p>The Arduino must be loaded with the Standard Firmata sketch available in the Arduino examples.</p> + <p>You can select either Digital or Analogue input. Outputs the value read as <b>msg.payload</b> and the pin number as <b>msg.topic</b>.</p> + <p>It only outputs on a change of value - fine for digital inputs, but you can get a lot of data from analogue pins which you must then handle.</p> + <p>You can set the sample rate in ms from 20 to 65535.</p> +</script> + +<script type="text/javascript"> + RED.nodes.registerType('arduino in',{ + category: 'Arduino', + color:"#3fadb5", + defaults: { + name: {value:""}, + pin: {value:"",required:true}, + state: {value:"INPUT",required:true}, + arduino: {type:"arduino-board"} + }, + inputs:0, + outputs:1, + icon: "arduino.png", + label: function() { + var a = ""; + if (this.state == "ANALOG") a = "A"; + return this.name||"Pin: "+a+this.pin; + }, + labelStyle: function() { + return this.name?"node_label_italic":""; + } + }); +</script> + +<script type="text/x-red" data-template-name="arduino out"> + <div class="form-row"> + <label for="node-input-arduino"><i class="fa fa-tasks"></i> Arduino</label> + <input type="text" id="node-input-arduino"> + </div> + <div class="form-row"> + <label for="node-input-pin"><i class="fa fa-circle"></i> Pin</label> + <input type="text" id="node-input-pin" placeholder="13"> + </div> + <div class="form-row"> + <label for="node-input-state"><i class="fa fa-wrench"></i> Type</label> + <select type="text" id="node-input-state" style="width: 200px;"> + <option value="OUTPUT">Digital (0/1)</option> + <option value="PWM">Analogue (0-255)</option> + <option value="SERVO">Servo (0-180)</option> + </select> + </div> + <div class="form-row"> + <label for="node-input-name"><i class="fa fa-tag"></i> Name</label> + <input type="text" id="node-input-name" placeholder="Name"> + </div> + <div class="form-tips"><b>Note:</b> You cannot use the same pin for both output and input.</div> +</script> + +<script type="text/x-red" data-help-name="arduino out"> + <p>Arduino output node. Connects to local Arduino and writes to the selected digital pin. Uses <a href="http://firmata.org/" target="_new"><i>Firmata</i>.</a></p> + <p>The Arduino must be loaded with the Standard Firmata sketch available in the Arduino examples.</p> + <p>You can select Digital, Analogue (PWM) or Servo type outputs. Expects a numeric value in <b>msg.payload</b>. The pin number is set in the properties panel.</p> +</script> + +<script type="text/javascript"> + RED.nodes.registerType('arduino out',{ + category: 'Arduino', + color:"#3fadb5", + defaults: { + name: {value:""}, + pin: {value:"",required:true}, + state: {value:"",required:true}, + arduino: {type:"arduino-board"} + }, + inputs:1, + outputs:0, + icon: "arduino.png", + align: "right", + label: function() { + return this.name||"Pin: "+this.pin; + }, + labelStyle: function() { + return this.name?"node_label_italic":""; + } + }); +</script> + + +<script type="text/x-red" data-template-name="arduino-board"> + <div class="form-row"> + <label for="node-config-input-device"><i class="fa fa-random"></i> Port</label> + <input type="text" id="node-config-input-device" style="width:60%;" placeholder="e.g. /dev/ttyUSB0 COM1"/> + <a id="node-config-lookup-serial" class="btn"><i id="node-config-lookup-serial-icon" class="fa fa-search"></i></a> + </div> + <div class="form-tips"><b>Tip:</b> Use search to try to auto-detect serial port.</div> +</script> + +<script type="text/javascript"> + RED.nodes.registerType('arduino-board',{ + category: 'config', + defaults: { + device: {value:"",required:true} + }, + label: function() { + return this.device||"arduino"; + }, + oneditprepare: function() { + try { + $("#node-config-input-device").autocomplete( "destroy" ); + } catch(err) { } + $("#node-config-lookup-serial").click(function() { + $("#node-config-lookup-serial-icon").removeClass('fa-search'); + $("#node-config-lookup-serial-icon").addClass('spinner'); + $("#node-config-lookup-serial").addClass('disabled'); + + $.getJSON('arduinoports',function(data) { + $("#node-config-lookup-serial-icon").addClass('fa-search'); + $("#node-config-lookup-serial-icon").removeClass('spinner'); + $("#node-config-lookup-serial").removeClass('disabled'); + var ports = []; + $.each(data, function(i, port){ + ports.push(port); + }); + $("#node-config-input-device").autocomplete({ + source:ports, + minLength:0, + close: function( event, ui ) { + $("#node-config-input-device").autocomplete( "destroy" ); + } + }).autocomplete("search",""); + }); + }); + } + }); +</script> diff --git a/dgbuilder/core_nodes/hardware/35-arduino.js b/dgbuilder/core_nodes/hardware/35-arduino.js new file mode 100644 index 00000000..795e9907 --- /dev/null +++ b/dgbuilder/core_nodes/hardware/35-arduino.js @@ -0,0 +1,160 @@ +/** + * Copyright 2013,2014 IBM Corp. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + **/ + +module.exports = function(RED) { + "use strict"; + var util = require("util"); + var ArduinoFirmata = require('arduino-firmata'); + var fs = require('fs'); + var plat = require('os').platform(); + var portlist = ArduinoFirmata.list(function (err, ports) { + portlist = ports; + }); + + // The Board Definition - this opens (and closes) the connection + function ArduinoNode(n) { + RED.nodes.createNode(this,n); + this.device = n.device || null; + this.repeat = n.repeat||25; + //node.log("opening connection "+this.device); + var node = this; + node.board = new ArduinoFirmata(); + if (portlist.indexOf(node.device) === -1) { + node.warn("Device "+node.device+" not found"); + } + else { + node.board.connect(node.device); + } + + node.board.on('boardReady', function(){ + node.log("version "+node.board.boardVersion); + }); + + node.on('close', function() { + if (node.board) { + try { + node.board.close(function() { + node.log("port closed"); + }); + } catch(e) { } + } + }); + } + RED.nodes.registerType("arduino-board",ArduinoNode); + + + // The Input Node + function DuinoNodeIn(n) { + RED.nodes.createNode(this,n); + this.buttonState = -1; + this.pin = n.pin; + this.state = n.state; + this.arduino = n.arduino; + this.serverConfig = RED.nodes.getNode(this.arduino); + if (typeof this.serverConfig === "object") { + this.board = this.serverConfig.board; + //this.repeat = this.serverConfig.repeat; + var node = this; + node.status({fill:"red",shape:"ring",text:"connecting"}); + + node.board.on('connect', function() { + node.status({fill:"green",shape:"dot",text:"connected"}); + //console.log("i",node.state,node.pin); + if (node.state == "ANALOG") { + node.board.on('analogChange', function(e) { + if (e.pin == node.pin) { + var msg = {payload:e.value, topic:"A"+e.pin}; + node.send(msg); + } + }); + + } + else { + node.board.pinMode(node.pin, ArduinoFirmata.INPUT); + node.board.on('digitalChange', function(e) { + if (e.pin == node.pin) { + var msg = {payload:e.value, topic:e.pin}; + node.send(msg); + } + }); + } + }); + } + else { + util.log("[Firmata-arduino] port not configured"); + } + } + RED.nodes.registerType("arduino in",DuinoNodeIn); + + + // The Output Node + function DuinoNodeOut(n) { + RED.nodes.createNode(this,n); + this.buttonState = -1; + this.pin = n.pin; + this.state = n.state; + this.arduino = n.arduino; + this.serverConfig = RED.nodes.getNode(this.arduino); + if (typeof this.serverConfig === "object") { + this.board = this.serverConfig.board; + var node = this; + node.status({fill:"red",shape:"ring",text:"connecting"}); + + node.board.on('connect', function() { + node.status({fill:"green",shape:"dot",text:"connected"}); + //console.log("o",node.state,node.pin); + node.board.pinMode(node.pin, node.state); + node.on("input", function(msg) { + if (node.state == "OUTPUT") { + if ((msg.payload == true)||(msg.payload == 1)||(msg.payload.toString().toLowerCase() == "on")) { + node.board.digitalWrite(node.pin, true); + } + if ((msg.payload == false)||(msg.payload == 0)||(msg.payload.toString().toLowerCase() == "off")) { + node.board.digitalWrite(node.pin, false); + } + } + if (node.state == "PWM") { + msg.payload = msg.payload * 1; + if ((msg.payload >= 0) && (msg.payload <= 255)) { + //console.log(msg.payload, node.pin); + node.board.servoWrite(node.pin, msg.payload); + } + } + if (node.state == "SERVO") { + msg.payload = msg.payload * 1; + if ((msg.payload >= 0) && (msg.payload <= 180)) { + //console.log(msg.payload, node.pin); + node.board.servoWrite(node.pin, msg.payload); + } + } + }); + }); + } + else { + util.log("[Firmata-arduino] port not configured"); + } + } + RED.nodes.registerType("arduino out",DuinoNodeOut); + + RED.httpAdmin.get("/arduinoports",function(req,res) { + ArduinoFirmata.list(function (err, ports) { + //console.log(JSON.stringify(ports)); + res.writeHead(200, {'Content-Type': 'text/plain'}); + res.write(JSON.stringify(ports)); + res.end(); + }); + }); +} diff --git a/dgbuilder/core_nodes/hardware/36-rpi-gpio.html b/dgbuilder/core_nodes/hardware/36-rpi-gpio.html new file mode 100644 index 00000000..9e705c2c --- /dev/null +++ b/dgbuilder/core_nodes/hardware/36-rpi-gpio.html @@ -0,0 +1,182 @@ +<!-- + Copyright 2013,2014 IBM Corp. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +--> + +<script type="text/x-red" data-template-name="rpi-gpio in"> + <div class="form-row"> + <label for="node-input-pin"><i class="fa fa-circle"></i> GPIO Pin</label> + <select type="text" id="node-input-pin" style="width: 200px;"> + <option value="-" disabled>select pin </option> + <option value="3">3 - SDA1 </option> + <option value="5">5 - SCL1 </option> + <option value="7">7 - GPIO7</option> + <option value="8">8 - TxD </option> + <option value="10">10 - RxD </option> + <option value="11">11 - GPIO0</option> + <option value="12">12 - GPIO1</option> + <option value="13">13 - GPIO2</option> + <option value="15">15 - GPIO3</option> + <option value="16">16 - GPIO4</option> + <option value="18">18 - GPIO5</option> + <option value="19">19 - MOSI </option> + <option value="21">21 - MISO </option> + <option value="22">22 - GPIO6</option> + <option value="23">23 - SCLK </option> + <option value="24">24 - CE0 </option> + <option value="26">26 - CE1 </option> + </select> + <span id="pitype"></span> + </div> + <div class="form-row"> + <label for="node-input-intype"><i class="fa fa-long-arrow-up"></i> Resistor?</label> + <select type="text" id="node-input-intype" style="width: 150px;"> + <option value="tri">none</option> + <option value="up">pullup</option> + <option value="down">pulldown</option> + <!--<option value="tri">tristate</option>--> + </select> + </div> + <div class="form-row"> + <label for="node-input-name"><i class="fa fa-tag"></i> Name</label> + <input type="text" id="node-input-name" placeholder="Name"> + </div> + <div class="form-tips">Tip: Only Digital I/O is supported - input must be 0 or 1.</div> +</script> + +<script type="text/x-red" data-help-name="rpi-gpio in"> + <p>Raspberry Pi input node. Generates a <b>msg.payload</b> with either a 0 or 1 depending on the state of the input pin. Requires the gpio command to work.</p> + <p>You may also enable the input pullup resitor or the pulldown resistor.</p> + <p>The <b>msg.topic</b> is set to <i>pi/{the pin number}</i></p> + <p><b>Note:</b> we are using the actual physical pin numbers on connector P1 as they are easier to locate.</p> + <p><b>Note:</b> This node currently polls the pin every 250mS. This is not ideal as it loads the cpu, and will be rewritten shortly to try to use interrupts.</p> + +</script> + +<script type="text/javascript"> + RED.nodes.registerType('rpi-gpio in',{ + category: 'advanced-input', + color:"#c6dbef", + defaults: { + name: { value:"" }, + intype: { value: "in" }, + pin: { value:"",required:true,validate:RED.validators.number() }, + }, + inputs:0, + outputs:1, + icon: "rpi.png", + label: function() { + return this.name||"Pin: "+this.pin ; + }, + labelStyle: function() { + return this.name?"node_label_italic":""; + }, + oneditprepare: function() { + $.getJSON('rpi-gpio/'+this.id,function(data) { + $('#pitype').text(data.type); + if (data.type === "Model B+") { + $('#node-input-pin').append($("<option></option>").attr("value",27).text("27 - SDA0")); + $('#node-input-pin').append($("<option></option>").attr("value",28).text("28 - SCL0")); + $('#node-input-pin').append($("<option></option>").attr("value",29).text("29 - GPIO21")); + $('#node-input-pin').append($("<option></option>").attr("value",31).text("31 - GPIO22")); + $('#node-input-pin').append($("<option></option>").attr("value",32).text("32 - GPIO26")); + $('#node-input-pin').append($("<option></option>").attr("value",33).text("33 - GPIO23")); + $('#node-input-pin').append($("<option></option>").attr("value",35).text("35 - GPIO24")); + $('#node-input-pin').append($("<option></option>").attr("value",36).text("36 - GPIO27")); + $('#node-input-pin').append($("<option></option>").attr("value",37).text("37 - GPIO25")); + $('#node-input-pin').append($("<option></option>").attr("value",38).text("38 - GPIO28")); + $('#node-input-pin').append($("<option></option>").attr("value",40).text("40 - GPIO29")); + } + }); + } + }); +</script> + + +<script type="text/x-red" data-template-name="rpi-gpio out"> + <div class="form-row"> + <label for="node-input-pin"><i class="fa fa-circle"></i> GPIO Pin</label> + <select type="text" id="node-input-pin" style="width: 200px;"> + <option value="-">select pin </option> + <option value="3">3 - SDA1 </option> + <option value="5">5 - SCL1 </option> + <option value="7">7 - GPIO7</option> + <option value="8">8 - TxD </option> + <option value="10">10 - RxD </option> + <option value="11">11 - GPIO0</option> + <option value="12">12 - GPIO1</option> + <option value="13">13 - GPIO2</option> + <option value="15">15 - GPIO3</option> + <option value="16">16 - GPIO4</option> + <option value="18">18 - GPIO5</option> + <option value="19">19 - MOSI </option> + <option value="21">21 - MISO </option> + <option value="22">22 - GPIO6</option> + <option value="23">23 - SCLK </option> + <option value="24">24 - CE0 </option> + <option value="26">26 - CE1 </option> + </select> + <span id="pitype"></span> + </div> + <div class="form-row"> + <label for="node-input-name"><i class="fa fa-tag"></i> Name</label> + <input type="text" id="node-input-name" placeholder="Name"> + </div> + <div class="form-tips">Tip: Only Digital I/O is supported - input must be 0 or 1.</div> +</script> + +<script type="text/x-red" data-help-name="rpi-gpio out"> + <p>Raspberry Pi output node. Expects a <b>msg.payload</b> with either a 0 or 1 (or true or false). Requires the gpio command to work.</p> + <p>Will set the selected physical pin high or low depending on the value passed in.</p> + <p><b>Note:</b> we are using the actual physical pin numbers on connector P1 as they are easier to locate.</p> +</script> + +<script type="text/javascript"> + RED.nodes.registerType('rpi-gpio out',{ + category: 'advanced-output', + color:"#c6dbef", + defaults: { + name: { value:"" }, + pin: { value:"",required:true,validate:RED.validators.number() }, + }, + inputs:1, + outputs:0, + icon: "rpi.png", + align: "right", + label: function() { + return this.name||"Pin: "+this.pin; + }, + labelStyle: function() { + return this.name?"node_label_italic":""; + }, + oneditprepare: function() { + $.getJSON('rpi-gpio/'+this.id,function(data) { + $('#pitype').text(data.type); + if (data.type === "Model B+") { + $('#node-input-pin').append($("<option></option>").attr("value",27).text("27 - SDA0")); + $('#node-input-pin').append($("<option></option>").attr("value",28).text("28 - SCL0")); + $('#node-input-pin').append($("<option></option>").attr("value",29).text("29 - GPIO21")); + $('#node-input-pin').append($("<option></option>").attr("value",31).text("31 - GPIO22")); + $('#node-input-pin').append($("<option></option>").attr("value",32).text("32 - GPIO26")); + $('#node-input-pin').append($("<option></option>").attr("value",33).text("33 - GPIO23")); + $('#node-input-pin').append($("<option></option>").attr("value",35).text("35 - GPIO24")); + $('#node-input-pin').append($("<option></option>").attr("value",36).text("36 - GPIO27")); + $('#node-input-pin').append($("<option></option>").attr("value",37).text("37 - GPIO25")); + $('#node-input-pin').append($("<option></option>").attr("value",38).text("38 - GPIO28")); + $('#node-input-pin').append($("<option></option>").attr("value",40).text("40 - GPIO29")); + } + }); + } + }); +</script> diff --git a/dgbuilder/core_nodes/hardware/36-rpi-gpio.js b/dgbuilder/core_nodes/hardware/36-rpi-gpio.js new file mode 100644 index 00000000..93cbc4e0 --- /dev/null +++ b/dgbuilder/core_nodes/hardware/36-rpi-gpio.js @@ -0,0 +1,185 @@ +/** + * Copyright 2013 IBM Corp. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + **/ + +module.exports = function(RED) { + "use strict"; + var util = require("util"); + var exec = require('child_process').exec; + var fs = require('fs'); + + var gpioCommand = '/usr/local/bin/gpio'; + + if (!fs.existsSync("/dev/ttyAMA0")) { // unlikely if not on a Pi + throw "Info : Ignoring Raspberry Pi specific node."; + } + + if (!fs.existsSync(gpioCommand)) { // gpio command not installed + throw "Info : Can't find Raspberry Pi wiringPi gpio command."; + } + + // Map physical P1 pins to Gordon's Wiring-Pi Pins (as they should be V1/V2 tolerant) + var pintable = { + // Physical : WiringPi + "11":"0", + "12":"1", + "13":"2", + "15":"3", + "16":"4", + "18":"5", + "22":"6", + "7":"7", + "3":"8", + "5":"9", + "24":"10", + "26":"11", + "19":"12", + "21":"13", + "23":"14", + "8":"15", + "10":"16", + "27":"30", + "28":"31", + "29":"21", + "31":"22", + "32":"26", + "33":"23", + "35":"24", + "36":"27", + "37":"25", + "38":"28", + "40":"29" + } + var tablepin = { + // WiringPi : Physical + "0":"11", + "1":"12", + "2":"13", + "3":"15", + "4":"16", + "5":"18", + "6":"22", + "7":"7", + "8":"3", + "9":"5", + "10":"24", + "11":"26", + "12":"19", + "13":"21", + "14":"23", + "15":"8", + "16":"10", + "30":"27", + "31":"28", + "21":"29", + "22":"31", + "26":"32", + "23":"33", + "24":"35", + "27":"36", + "25":"37", + "28":"38", + "29":"40" + } + + function GPIOInNode(n) { + RED.nodes.createNode(this,n); + this.buttonState = -1; + this.pin = pintable[n.pin]; + this.intype = n.intype; + var node = this; + + if (node.pin !== undefined) { + exec(gpioCommand+" mode "+node.pin+" "+node.intype, function(err,stdout,stderr) { + if (err) { node.error(err); } + else { + node._interval = setInterval( function() { + exec(gpioCommand+" read "+node.pin, function(err,stdout,stderr) { + if (err) { node.error(err); } + else { + if (node.buttonState !== Number(stdout)) { + var previousState = node.buttonState; + node.buttonState = Number(stdout); + if (previousState !== -1) { + var msg = {topic:"pi/"+tablepin[node.pin], payload:node.buttonState}; + node.send(msg); + } + } + } + }); + }, 250); + } + }); + } + else { + node.error("Invalid GPIO pin: "+node.pin); + } + + node.on("close", function() { + clearInterval(node._interval); + }); + } + + function GPIOOutNode(n) { + RED.nodes.createNode(this,n); + this.pin = pintable[n.pin]; + var node = this; + + if (node.pin !== undefined) { + process.nextTick(function() { + exec(gpioCommand+" mode "+node.pin+" out", function(err,stdout,stderr) { + if (err) { node.error(err); } + else { + node.on("input", function(msg) { + if (msg.payload === "true") { msg.payload = true; } + if (msg.payload === "false") { msg.payload = false; } + var out = Number(msg.payload); + if ((out === 0)|(out === 1)) { + exec(gpioCommand+" write "+node.pin+" "+out, function(err,stdout,stderr) { + if (err) { node.error(err); } + }); + } + else { node.warn("Invalid input - not 0 or 1"); } + }); + } + }); + }); + } + else { + node.error("Invalid GPIO pin: "+node.pin); + } + + node.on("close", function() { + exec(gpioCommand+" mode "+node.pin+" in"); + }); + } + + var pitype = { type:"" }; + exec(gpioCommand+" -v | grep Type", function(err,stdout,stderr) { + if (err) { + util.log('[36-rpi-gpio.js] Error: "'+gpioCommand+' -v" command failed for some reason.'); + } + else { + pitype = { type:(stdout.split(","))[0].split(": ")[1], rev:(stdout.split(","))[1].split(": ")[1] }; + } + }); + + RED.nodes.registerType("rpi-gpio in",GPIOInNode); + RED.nodes.registerType("rpi-gpio out",GPIOOutNode); + + RED.httpAdmin.get('/rpi-gpio/:id',function(req,res) { + res.send( JSON.stringify(pitype) ); + }); +} |