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https://github.com/node-red/node-red.git
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Add B+ GPIO support to Pi Node
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Dave C-J
parent
aa35484a30
commit
aaab0d0d0b
@ -16,11 +16,11 @@
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<script type="text/x-red" data-template-name="rpi-gpio in">
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<div class="form-row">
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<label for="node-input-pin"><i class="icon-asterisk"></i> GPIO Pin</label>
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<select type="text" id="node-input-pin" style="width: 150px;">
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<label for="node-input-pin"><i class="fa fa-circle"></i> GPIO Pin</label>
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<select type="text" id="node-input-pin" style="width: 200px;">
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<option value="-" disabled>select pin </option>
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<option value="3">3 - SDA0 </option>
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<option value="5">5 - SCL0 </option>
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<option value="3">3 - SDA1 </option>
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<option value="5">5 - SCL1 </option>
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<option value="7">7 - GPIO7</option>
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<option value="8">8 - TxD </option>
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<option value="10">10 - RxD </option>
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@ -37,9 +37,10 @@
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<option value="24">24 - CE0 </option>
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<option value="26">26 - CE1 </option>
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</select>
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<span id="pitype"></span>
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</div>
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<div class="form-row">
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<label for="node-input-intype"><i class=" icon-resize-full"></i> Resistor?</label>
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<label for="node-input-intype"><i class="fa fa-arrows-v"></i> Resistor?</label>
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<select type="text" id="node-input-intype" style="width: 150px;">
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<option value="tri">none</option>
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<option value="up">pullup</option>
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@ -48,7 +49,7 @@
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</select>
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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<div class="form-tips">Tip: Only Digital I/O is supported - input must be 0 or 1.</div>
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@ -80,6 +81,24 @@
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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},
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oneditprepare: function() {
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$.getJSON('rpi-gpio/'+this.id,function(data) {
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$('#pitype').text(data.type);
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if (data.type === "Model B+") {
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$('#node-input-pin').append($("<option></option>").attr("value",27).text("27 - SDA0"));
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$('#node-input-pin').append($("<option></option>").attr("value",28).text("28 - SCL0"));
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$('#node-input-pin').append($("<option></option>").attr("value",29).text("29 - GPIO21"));
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$('#node-input-pin').append($("<option></option>").attr("value",31).text("31 - GPIO22"));
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$('#node-input-pin').append($("<option></option>").attr("value",32).text("32 - GPIO26"));
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$('#node-input-pin').append($("<option></option>").attr("value",33).text("33 - GPIO23"));
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$('#node-input-pin').append($("<option></option>").attr("value",35).text("35 - GPIO24"));
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$('#node-input-pin').append($("<option></option>").attr("value",36).text("36 - GPIO27"));
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$('#node-input-pin').append($("<option></option>").attr("value",37).text("37 - GPIO25"));
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$('#node-input-pin').append($("<option></option>").attr("value",38).text("38 - GPIO28"));
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$('#node-input-pin').append($("<option></option>").attr("value",40).text("40 - GPIO29"));
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}
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});
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}
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});
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</script>
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@ -87,11 +106,11 @@
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<script type="text/x-red" data-template-name="rpi-gpio out">
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<div class="form-row">
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<label for="node-input-pin"><i class="icon-asterisk"></i> GPIO Pin</label>
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<select type="text" id="node-input-pin" style="width: 150px;">
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<label for="node-input-pin"><i class="fa fa-circle"></i> GPIO Pin</label>
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<select type="text" id="node-input-pin" style="width: 200px;">
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<option value="-">select pin </option>
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<option value="3">3 - SDA0 </option>
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<option value="5">5 - SCL0 </option>
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<option value="3">3 - SDA1 </option>
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<option value="5">5 - SCL1 </option>
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<option value="7">7 - GPIO7</option>
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<option value="8">8 - TxD </option>
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<option value="10">10 - RxD </option>
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@ -108,9 +127,10 @@
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<option value="24">24 - CE0 </option>
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<option value="26">26 - CE1 </option>
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</select>
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<span id="pitype"></span>
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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<div class="form-tips">Tip: Only Digital I/O is supported - input must be 0 or 1.</div>
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@ -139,6 +159,25 @@
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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},
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oneditprepare: function() {
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$.getJSON('rpi-gpio/'+this.id,function(data) {
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$('#pitype').text(data.type);
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if (data.type === "Model B+") {
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$('#node-input-pin').append($("<option></option>").attr("value",27).text("27 - SDA0"));
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$('#node-input-pin').append($("<option></option>").attr("value",28).text("28 - SCL0"));
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$('#node-input-pin').append($("<option></option>").attr("value",29).text("29 - GPIO21"));
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$('#node-input-pin').append($("<option></option>").attr("value",31).text("31 - GPIO22"));
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$('#node-input-pin').append($("<option></option>").attr("value",32).text("32 - GPIO26"));
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$('#node-input-pin').append($("<option></option>").attr("value",33).text("33 - GPIO23"));
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$('#node-input-pin').append($("<option></option>").attr("value",35).text("35 - GPIO24"));
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$('#node-input-pin').append($("<option></option>").attr("value",36).text("36 - GPIO27"));
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$('#node-input-pin').append($("<option></option>").attr("value",37).text("37 - GPIO25"));
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$('#node-input-pin').append($("<option></option>").attr("value",38).text("38 - GPIO28"));
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$('#node-input-pin').append($("<option></option>").attr("value",40).text("40 - GPIO29"));
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}
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});
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$
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}
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});
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</script>
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@ -47,7 +47,18 @@ module.exports = function(RED) {
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"21":"13",
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"23":"14",
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"8":"15",
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"10":"16"
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"10":"16",
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"27":"30",
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"28":"31",
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"29":"21",
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"31":"22",
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"32":"26",
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"33":"23",
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"35":"24",
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"36":"27",
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"37":"25",
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"38":"28",
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"40":"29"
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}
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var tablepin = {
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// WiringPi : Physical
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@ -67,7 +78,18 @@ module.exports = function(RED) {
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"13":"21",
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"14":"23",
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"15":"8",
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"16":"10"
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"16":"10",
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"30":"27",
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"31":"28",
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"21":"29",
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"22":"31",
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"26":"32",
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"23":"33",
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"24":"35",
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"27":"36",
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"25":"37",
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"28":"38",
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"29":"40"
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}
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function GPIOInNode(n) {
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@ -77,13 +99,13 @@ module.exports = function(RED) {
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this.intype = n.intype;
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var node = this;
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if (node.pin) {
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if (node.pin !== undefined) {
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exec("gpio mode "+node.pin+" "+node.intype, function(err,stdout,stderr) {
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if (err) node.error(err);
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if (err) { node.error(err); }
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else {
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node._interval = setInterval( function() {
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exec("gpio read "+node.pin, function(err,stdout,stderr) {
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if (err) node.error(err);
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if (err) { node.error(err); }
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else {
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if (node.buttonState !== Number(stdout)) {
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var previousState = node.buttonState;
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@ -113,21 +135,21 @@ module.exports = function(RED) {
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this.pin = pintable[n.pin];
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var node = this;
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if (node.pin) {
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if (node.pin !== undefined) {
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process.nextTick(function() {
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exec("gpio mode "+node.pin+" out", function(err,stdout,stderr) {
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if (err) node.error(err);
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if (err) { node.error(err); }
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else {
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node.on("input", function(msg) {
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if (msg.payload === "true") msg.payload = true;
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if (msg.payload === "false") msg.payload = false;
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if (msg.payload === "true") { msg.payload = true; }
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if (msg.payload === "false") { msg.payload = false; }
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var out = Number(msg.payload);
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if ((out == 0)|(out == 1)) {
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if ((out === 0)|(out === 1)) {
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exec("gpio write "+node.pin+" "+out, function(err,stdout,stderr) {
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if (err) node.error(err);
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if (err) { node.error(err); }
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});
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}
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else node.warn("Invalid input - not 0 or 1");
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else { node.warn("Invalid input - not 0 or 1"); }
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});
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}
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});
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@ -155,6 +177,22 @@ module.exports = function(RED) {
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// exec("gpio mode 7 in");
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//});
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var pitype = { type:"" };
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exec("gpio -v | grep Type", function(err,stdout,stderr) {
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if (err) {
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util.log('[36-rpi-gpio.js] Error: "gpio -v" command failed for some reason.');
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}
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else {
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pitype = { type:(stdout.split(","))[0].split(": ")[1], rev:(stdout.split(","))[1].split(": ")[1] };
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}
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});
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RED.nodes.registerType("rpi-gpio in",GPIOInNode);
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RED.nodes.registerType("rpi-gpio out",GPIOOutNode);
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var querystring = require('querystring');
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RED.httpAdmin.get('/rpi-gpio/:id',function(req,res) {
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var credentials = RED.nodes.getCredentials(req.params.id);
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res.send( JSON.stringify(pitype) );
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});
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}
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