Use environment variable to set path for nodes....
This commit is contained in:
Dave C-J
parent
f1bc8c3f56
commit
5ec8147eb1
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@ -52,10 +52,10 @@
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</script>
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<script type="text/x-red" data-help-name="rpi-piface in">
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<p>Raspberry Pi PiFace 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>
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<p>You may also enable the input pullup resitor if required.</p>
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<p>The <b>msg.topic</b> is set to <i>pi/{the pin number}</i></p>
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<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>
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<p>Raspberry Pi PiFace 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>
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<p>You may also enable the input pullup resitor if required.</p>
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<p>The <b>msg.topic</b> is set to <i>pi/{the pin number}</i></p>
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<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>
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</script>
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<script type="text/javascript">
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@ -103,9 +103,9 @@
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</script>
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<script type="text/x-red" data-help-name="rpi-piface out">
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<p>Raspberry Pi PiFace output node. The PiFace board must be fitted. Requires the gpio command to work.</p>
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<p>Expects a <b>msg.payload</b> with either a 0 or 1 (or true or false).</p>
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<p>Will set the selected relay, LED, or pin on or off depending on the value passed in.</p>
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<p>Raspberry Pi PiFace output node. The PiFace board must be fitted. Requires the gpio command to work.</p>
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<p>Expects a <b>msg.payload</b> with either a 0 or 1 (or true or false).</p>
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<p>Will set the selected relay, LED, or pin on or off depending on the value passed in.</p>
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</script>
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<script type="text/javascript">
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@ -14,121 +14,121 @@
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* limitations under the License.
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**/
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var RED = require("../../red/red");
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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var util = require("util");
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var exec = require('child_process').exec;
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var fs = require('fs');
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if (!fs.existsSync("/usr/local/bin/gpio")) {
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exec("cat /proc/cpuinfo | grep BCM27",function(err,stdout,stderr) {
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if (stdout.indexOf('BCM27') > -1) {
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util.log('[37-rpi-piface.js] Error: Cannot find Wiring-Pi "gpio" command');
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}
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// else not on a Pi so don't worry anyone with needless messages.
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});
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return;
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exec("cat /proc/cpuinfo | grep BCM27",function(err,stdout,stderr) {
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if (stdout.indexOf('BCM27') > -1) {
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util.log('[37-rpi-piface.js] Error: Cannot find Wiring-Pi "gpio" command');
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}
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// else not on a Pi so don't worry anyone with needless messages.
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});
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return;
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}
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// Map names of pins to Gordon's gpio PiFace pin numbers
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var pintable = {
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// Physical : WiringPi
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"Button S1":"200",
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"Button S2":"201",
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"Button S3":"202",
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"Button S4":"203",
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"Input 5":"204",
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"Input 6":"205",
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"Input 7":"206",
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"Input 8":"207",
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"Output0":"208",
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"Output1":"209",
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"Output2":"210",
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"Output3":"211",
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"Output4":"212",
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"Output5":"213",
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"Output6":"214",
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"Output7":"215",
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"LED 0 / Relay 0":"200",
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"LED 1 / Relay 1":"201",
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"LED 2":"202",
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"LED 3":"203",
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"LED 4":"204",
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"LED 5":"205",
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"LED 6":"206",
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"LED 7":"207"
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"Button S1":"200",
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"Button S2":"201",
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"Button S3":"202",
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"Button S4":"203",
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"Input 5":"204",
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"Input 6":"205",
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"Input 7":"206",
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"Input 8":"207",
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"Output0":"208",
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"Output1":"209",
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"Output2":"210",
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"Output3":"211",
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"Output4":"212",
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"Output5":"213",
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"Output6":"214",
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"Output7":"215",
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"LED 0 / Relay 0":"200",
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"LED 1 / Relay 1":"201",
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"LED 2":"202",
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"LED 3":"203",
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"LED 4":"204",
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"LED 5":"205",
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"LED 6":"206",
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"LED 7":"207"
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}
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function PiFACEInNode(n) {
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RED.nodes.createNode(this,n);
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this.buttonState = -1;
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this.pin = pintable[n.pin];
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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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exec("gpio -p mode "+node.pin+" "+node.intype, function(err,stdout,stderr) {
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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 -p read "+node.pin, function(err,stdout,stderr) {
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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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node.buttonState = Number(stdout);
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if (previousState !== -1) {
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var msg = {topic:"pi/"+node.pin, payload:node.buttonState};
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node.send(msg);
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}
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}
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}
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});
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}, 250);
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}
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});
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}
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else {
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node.error("Invalid PiFACE pin: "+node.pin);
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}
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RED.nodes.createNode(this,n);
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this.buttonState = -1;
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this.pin = pintable[n.pin];
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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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exec("gpio -p mode "+node.pin+" "+node.intype, function(err,stdout,stderr) {
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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 -p read "+node.pin, function(err,stdout,stderr) {
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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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node.buttonState = Number(stdout);
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if (previousState !== -1) {
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var msg = {topic:"pi/"+node.pin, payload:node.buttonState};
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node.send(msg);
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}
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}
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}
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});
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}, 250);
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}
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});
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}
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else {
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node.error("Invalid PiFACE pin: "+node.pin);
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}
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}
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function PiFACEOutNode(n) {
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RED.nodes.createNode(this,n);
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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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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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var out = Number(msg.payload);
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if ((out == 0)|(out == 1)) {
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exec("gpio -p write "+node.pin+" "+out, function(err,stdout,stderr) {
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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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});
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}
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else {
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node.error("Invalid PiFACE pin: "+node.pin);
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}
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RED.nodes.createNode(this,n);
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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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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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var out = Number(msg.payload);
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if ((out == 0)|(out == 1)) {
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exec("gpio -p write "+node.pin+" "+out, function(err,stdout,stderr) {
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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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});
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}
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else {
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node.error("Invalid PiFACE pin: "+node.pin);
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}
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}
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exec("gpio load spi",function(err,stdout,stderr) {
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if (err) {
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util.log('[37-rpi-piface.js] Error: "gpio load spi" command failed for some reason.');
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}
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exec("gpio -p reset",function(err,stdout,stderr) {
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if (err) {
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util.log('[37-rpi-piface.js] Error: "gpio -p reset" command failed for some reason.');
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}
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RED.nodes.registerType("rpi-piface in",PiFACEInNode);
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RED.nodes.registerType("rpi-piface out",PiFACEOutNode);
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PiFACEInNode.prototype.close = function() {
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clearInterval(this._interval);
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}
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PiFACEOutNode.prototype.close = function() {
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}
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});
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if (err) {
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util.log('[37-rpi-piface.js] Error: "gpio load spi" command failed for some reason.');
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}
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exec("gpio -p reset",function(err,stdout,stderr) {
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if (err) {
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util.log('[37-rpi-piface.js] Error: "gpio -p reset" command failed for some reason.');
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}
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RED.nodes.registerType("rpi-piface in",PiFACEInNode);
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RED.nodes.registerType("rpi-piface out",PiFACEOutNode);
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PiFACEInNode.prototype.close = function() {
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clearInterval(this._interval);
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}
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PiFACEOutNode.prototype.close = function() {
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}
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});
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});
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@ -23,10 +23,10 @@
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</script>
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<script type="text/x-red" data-help-name="ledborg">
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<p>PiBorg LedBorg LED output node. Expects a <b>msg.payload</b> with a three digit rgb triple, from <b>000</b> to <b>222</b>.</p>
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<p>See <i><a href="http://www.piborg.com/ledborg/install" target="_new">the PiBorg site</a></i> for more information.</p>
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<p>You can also now use a <b>msg.payload</b> in the standard hex format "#rrggbb". The clip levels are :</p>
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<p><pre>0x00 - 0x57 = off<br/>0x58 - 0xA7 = 50%<br/>0xA8 - 0xFF = fully on</pre></p>
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<p>PiBorg LedBorg LED output node. Expects a <b>msg.payload</b> with a three digit rgb triple, from <b>000</b> to <b>222</b>.</p>
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<p>See <i><a href="http://www.piborg.com/ledborg/install" target="_new">the PiBorg site</a></i> for more information.</p>
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<p>You can also now use a <b>msg.payload</b> in the standard hex format "#rrggbb". The clip levels are :</p>
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<p><pre>0x00 - 0x57 = off<br/>0x58 - 0xA7 = 50%<br/>0xA8 - 0xFF = fully on</pre></p>
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</script>
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<script type="text/javascript">
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@ -14,40 +14,40 @@
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* limitations under the License.
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**/
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var RED = require("../../red/red");
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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var util = require('util');
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var fs = require('fs');
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// check if /dev/ledborg exists - if not then don't even show the node.
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if (!fs.existsSync("/dev/ledborg")) {
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util.log("[78-ledborg.js] Error: PiBorg hardware : LedBorg not found");
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return;
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util.log("[78-ledborg.js] Error: PiBorg hardware : LedBorg not found");
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return;
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}
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function LedBorgNode(n) {
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RED.nodes.createNode(this,n);
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var p1 = /[0-2][0-2][0-2]/
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var p2 = /^\#[A-Fa-f0-9]{6}$/
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var node = this;
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RED.nodes.createNode(this,n);
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var p1 = /[0-2][0-2][0-2]/
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var p2 = /^\#[A-Fa-f0-9]{6}$/
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var node = this;
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this.on("input", function(msg) {
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if (p1.test(msg.payload)) {
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fs.writeFile('/dev/ledborg', msg.payload, function (err) {
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if (err) node.warn(msg.payload+" : No LedBorg found");
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});
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}
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if (p2.test(msg.payload)) {
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var r = Math.floor(parseInt(msg.payload.slice(1,3),16)/88).toString();
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var g = Math.floor(parseInt(msg.payload.slice(3,5),16)/88).toString();
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var b = Math.floor(parseInt(msg.payload.slice(5),16)/88).toString();
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fs.writeFile('/dev/ledborg', r+g+b, function (err) {
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if (err) node.warn(r+g+b+" : No LedBorg found");
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});
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}
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else {
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node.warn("Invalid LedBorg colour code");
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}
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});
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this.on("input", function(msg) {
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if (p1.test(msg.payload)) {
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fs.writeFile('/dev/ledborg', msg.payload, function (err) {
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if (err) node.warn(msg.payload+" : No LedBorg found");
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});
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}
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if (p2.test(msg.payload)) {
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var r = Math.floor(parseInt(msg.payload.slice(1,3),16)/88).toString();
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var g = Math.floor(parseInt(msg.payload.slice(3,5),16)/88).toString();
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var b = Math.floor(parseInt(msg.payload.slice(5),16)/88).toString();
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fs.writeFile('/dev/ledborg', r+g+b, function (err) {
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if (err) node.warn(r+g+b+" : No LedBorg found");
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});
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}
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else {
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node.warn("Invalid LedBorg colour code");
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}
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});
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}
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RED.nodes.registerType("ledborg",LedBorgNode);
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@ -13,45 +13,45 @@
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var RED = require("../../red/red");
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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var spawn = require('child_process').spawn;
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var plat = require('os').platform();
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function PingNode(n) {
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RED.nodes.createNode(this,n);
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this.host = n.host;
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this.timer = n.timer * 1000;
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var node = this;
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RED.nodes.createNode(this,n);
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this.host = n.host;
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this.timer = n.timer * 1000;
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var node = this;
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node.tout = setInterval(function() {
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var ex;
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if (plat == "linux") ex = spawn('ping', ['-n', '-w 5', '-c 1', node.host]);
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else if (plat.match(/^win/)) ex = spawn('ping', ['-n 1', '-w 5000', node.host]);
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else if (plat == "darwin") ex = spawn('ping', ['-n', '-t 5', '-c 1', node.host]);
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else node.error("Sorry - your platform - "+plat+" - is not recognised.");
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var res="";
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node.tout = setInterval(function() {
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var ex;
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if (plat == "linux") ex = spawn('ping', ['-n', '-w 5', '-c 1', node.host]);
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else if (plat.match(/^win/)) ex = spawn('ping', ['-n 1', '-w 5000', node.host]);
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else if (plat == "darwin") ex = spawn('ping', ['-n', '-t 5', '-c 1', node.host]);
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else node.error("Sorry - your platform - "+plat+" - is not recognised.");
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var res="";
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ex.stdout.on('data', function (data) {
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//console.log('[ping] stdout: ' + data.toString());
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var regex = /time=(.*)ms/;
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var m = regex.exec(data.toString())||[""];
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res = Number(m[1]);
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});
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ex.stderr.on('data', function (data) {
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//console.log('[ping] stderr: ' + data);
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});
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ex.on('close', function (code) {
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//console.log('[ping] result: ' + code);
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var msg = { payload: false, topic:node.host };
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if (code == 0) msg = { payload: res, topic:node.host };
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node.send(msg);
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});
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}, node.timer);
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ex.stdout.on('data', function (data) {
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//console.log('[ping] stdout: ' + data.toString());
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var regex = /time=(.*)ms/;
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var m = regex.exec(data.toString())||[""];
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res = Number(m[1]);
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});
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ex.stderr.on('data', function (data) {
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//console.log('[ping] stderr: ' + data);
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});
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ex.on('close', function (code) {
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//console.log('[ping] result: ' + code);
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var msg = { payload: false, topic:node.host };
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if (code == 0) msg = { payload: res, topic:node.host };
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node.send(msg);
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});
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this.on("close", function() {
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clearInterval(this.tout);
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});
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}, node.timer);
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}
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RED.nodes.registerType("ping",PingNode);
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PingNode.prototype.close = function() {
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clearInterval(this.tout);
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}
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@ -13,7 +13,8 @@
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var RED = require("../../red/red");
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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var SunCalc = require('suncalc');
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function SunNode(n) {
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