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node-red-nodes
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Use environment variable to set path for nodes....

This commit is contained in:
Dave C-J 2013-10-25 18:22:45 +01:00
parent f1bc8c3f56
commit 5ec8147eb1
6 changed files with 166 additions and 165 deletions
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14
hardware/Pi/37-rpi-piface.html
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@ -52,10 +52,10 @@
</script> </script>
<script type="text/x-red" data-help-name="rpi-piface in"> <script type="text/x-red" data-help-name="rpi-piface in">
<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> <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>
<p>You may also enable the input pullup resitor if required.</p> <p>You may also enable the input pullup resitor if required.</p>
<p>The <b>msg.topic</b> is set to <i>pi/{the pin number}</i></p> <p>The <b>msg.topic</b> is set to <i>pi/{the pin number}</i></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> <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>
<script type="text/javascript"> <script type="text/javascript">
@ -103,9 +103,9 @@
</script> </script>
<script type="text/x-red" data-help-name="rpi-piface out"> <script type="text/x-red" data-help-name="rpi-piface out">
<p>Raspberry Pi PiFace output node. The PiFace board must be fitted. Requires the gpio command to work.</p> <p>Raspberry Pi PiFace output node. The PiFace board must be fitted. Requires the gpio command to work.</p>
<p>Expects a <b>msg.payload</b> with either a 0 or 1 (or true or false).</p> <p>Expects a <b>msg.payload</b> with either a 0 or 1 (or true or false).</p>
<p>Will set the selected relay, LED, or pin on or off depending on the value passed in.</p> <p>Will set the selected relay, LED, or pin on or off depending on the value passed in.</p>
</script> </script>
<script type="text/javascript"> <script type="text/javascript">

192
hardware/Pi/37-rpi-piface.js
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@ -14,121 +14,121 @@
* limitations under the License. * limitations under the License.
**/ **/
var RED = require("../../red/red"); var RED = require(process.env.NODE_RED_HOME+"/red/red");
var util = require("util"); var util = require("util");
var exec = require('child_process').exec; var exec = require('child_process').exec;
var fs = require('fs'); var fs = require('fs');
if (!fs.existsSync("/usr/local/bin/gpio")) { if (!fs.existsSync("/usr/local/bin/gpio")) {
exec("cat /proc/cpuinfo | grep BCM27",function(err,stdout,stderr) { exec("cat /proc/cpuinfo | grep BCM27",function(err,stdout,stderr) {
if (stdout.indexOf('BCM27') > -1) { if (stdout.indexOf('BCM27') > -1) {
util.log('[37-rpi-piface.js] Error: Cannot find Wiring-Pi "gpio" command'); util.log('[37-rpi-piface.js] Error: Cannot find Wiring-Pi "gpio" command');
} }
// else not on a Pi so don't worry anyone with needless messages. // else not on a Pi so don't worry anyone with needless messages.
}); });
return; return;
} }
// Map names of pins to Gordon's gpio PiFace pin numbers // Map names of pins to Gordon's gpio PiFace pin numbers
var pintable = { var pintable = {
// Physical : WiringPi // Physical : WiringPi
"Button S1":"200", "Button S1":"200",
"Button S2":"201", "Button S2":"201",
"Button S3":"202", "Button S3":"202",
"Button S4":"203", "Button S4":"203",
"Input 5":"204", "Input 5":"204",
"Input 6":"205", "Input 6":"205",
"Input 7":"206", "Input 7":"206",
"Input 8":"207", "Input 8":"207",
"Output0":"208", "Output0":"208",
"Output1":"209", "Output1":"209",
"Output2":"210", "Output2":"210",
"Output3":"211", "Output3":"211",
"Output4":"212", "Output4":"212",
"Output5":"213", "Output5":"213",
"Output6":"214", "Output6":"214",
"Output7":"215", "Output7":"215",
"LED 0 / Relay 0":"200", "LED 0 / Relay 0":"200",
"LED 1 / Relay 1":"201", "LED 1 / Relay 1":"201",
"LED 2":"202", "LED 2":"202",
"LED 3":"203", "LED 3":"203",
"LED 4":"204", "LED 4":"204",
"LED 5":"205", "LED 5":"205",
"LED 6":"206", "LED 6":"206",
"LED 7":"207" "LED 7":"207"
} }
function PiFACEInNode(n) { function PiFACEInNode(n) {
RED.nodes.createNode(this,n); RED.nodes.createNode(this,n);
this.buttonState = -1; this.buttonState = -1;
this.pin = pintable[n.pin]; this.pin = pintable[n.pin];
this.intype = n.intype; this.intype = n.intype;
var node = this; var node = this;
if (node.pin) { if (node.pin) {
exec("gpio -p mode "+node.pin+" "+node.intype, function(err,stdout,stderr) { exec("gpio -p mode "+node.pin+" "+node.intype, function(err,stdout,stderr) {
if (err) node.error(err); if (err) node.error(err);
else { else {
node._interval = setInterval( function() { node._interval = setInterval( function() {
exec("gpio -p read "+node.pin, function(err,stdout,stderr) { exec("gpio -p read "+node.pin, function(err,stdout,stderr) {
if (err) node.error(err); if (err) node.error(err);
else { else {
if (node.buttonState !== Number(stdout)) { if (node.buttonState !== Number(stdout)) {
var previousState = node.buttonState; var previousState = node.buttonState;
node.buttonState = Number(stdout); node.buttonState = Number(stdout);
if (previousState !== -1) { if (previousState !== -1) {
var msg = {topic:"pi/"+node.pin, payload:node.buttonState}; var msg = {topic:"pi/"+node.pin, payload:node.buttonState};
node.send(msg); node.send(msg);
} }
} }
} }
}); });
}, 250); }, 250);
} }
}); });
} }
else { else {
node.error("Invalid PiFACE pin: "+node.pin); node.error("Invalid PiFACE pin: "+node.pin);
} }
} }
function PiFACEOutNode(n) { function PiFACEOutNode(n) {
RED.nodes.createNode(this,n); RED.nodes.createNode(this,n);
this.pin = pintable[n.pin]; this.pin = pintable[n.pin];
var node = this; var node = this;
if (node.pin) { if (node.pin) {
node.on("input", function(msg) { node.on("input", function(msg) {
if (msg.payload === "true") msg.payload = true; if (msg.payload === "true") msg.payload = true;
if (msg.payload === "false") msg.payload = false; if (msg.payload === "false") msg.payload = false;
var out = Number(msg.payload); var out = Number(msg.payload);
if ((out == 0)|(out == 1)) { if ((out == 0)|(out == 1)) {
exec("gpio -p write "+node.pin+" "+out, function(err,stdout,stderr) { exec("gpio -p write "+node.pin+" "+out, function(err,stdout,stderr) {
if (err) node.error(err); if (err) node.error(err);
}); });
} }
else node.warn("Invalid input - not 0 or 1"); else node.warn("Invalid input - not 0 or 1");
}); });
} }
else { else {
node.error("Invalid PiFACE pin: "+node.pin); node.error("Invalid PiFACE pin: "+node.pin);
} }
} }
exec("gpio load spi",function(err,stdout,stderr) { exec("gpio load spi",function(err,stdout,stderr) {
if (err) { if (err) {
util.log('[37-rpi-piface.js] Error: "gpio load spi" command failed for some reason.'); util.log('[37-rpi-piface.js] Error: "gpio load spi" command failed for some reason.');
} }
exec("gpio -p reset",function(err,stdout,stderr) { exec("gpio -p reset",function(err,stdout,stderr) {
if (err) { if (err) {
util.log('[37-rpi-piface.js] Error: "gpio -p reset" command failed for some reason.'); util.log('[37-rpi-piface.js] Error: "gpio -p reset" command failed for some reason.');
} }
RED.nodes.registerType("rpi-piface in",PiFACEInNode); RED.nodes.registerType("rpi-piface in",PiFACEInNode);
RED.nodes.registerType("rpi-piface out",PiFACEOutNode); RED.nodes.registerType("rpi-piface out",PiFACEOutNode);
PiFACEInNode.prototype.close = function() { PiFACEInNode.prototype.close = function() {
clearInterval(this._interval); clearInterval(this._interval);
} }
PiFACEOutNode.prototype.close = function() { PiFACEOutNode.prototype.close = function() {
} }
}); });
}); });

8
hardware/Pi/78-ledborg.html
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@ -23,10 +23,10 @@
</script> </script>
<script type="text/x-red" data-help-name="ledborg"> <script type="text/x-red" data-help-name="ledborg">
<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> <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>
<p>See <i><a href="http://www.piborg.com/ledborg/install" target="_new">the PiBorg site</a></i> for more information.</p> <p>See <i><a href="http://www.piborg.com/ledborg/install" target="_new">the PiBorg site</a></i> for more information.</p>
<p>You can also now use a <b>msg.payload</b> in the standard hex format "#rrggbb". The clip levels are :</p> <p>You can also now use a <b>msg.payload</b> in the standard hex format "#rrggbb". The clip levels are :</p>
<p><pre>0x00 - 0x57 = off<br/>0x58 - 0xA7 = 50%<br/>0xA8 - 0xFF = fully on</pre></p> <p><pre>0x00 - 0x57 = off<br/>0x58 - 0xA7 = 50%<br/>0xA8 - 0xFF = fully on</pre></p>
</script> </script>
<script type="text/javascript"> <script type="text/javascript">

50
hardware/Pi/78-ledborg.js
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@ -14,40 +14,40 @@
* limitations under the License. * limitations under the License.
**/ **/
var RED = require("../../red/red"); var RED = require(process.env.NODE_RED_HOME+"/red/red");
var util = require('util'); var util = require('util');
var fs = require('fs'); var fs = require('fs');
// check if /dev/ledborg exists - if not then don't even show the node. // check if /dev/ledborg exists - if not then don't even show the node.
if (!fs.existsSync("/dev/ledborg")) { if (!fs.existsSync("/dev/ledborg")) {
util.log("[78-ledborg.js] Error: PiBorg hardware : LedBorg not found"); util.log("[78-ledborg.js] Error: PiBorg hardware : LedBorg not found");
return; return;
} }
function LedBorgNode(n) { function LedBorgNode(n) {
RED.nodes.createNode(this,n); RED.nodes.createNode(this,n);
var p1 = /[0-2][0-2][0-2]/ var p1 = /[0-2][0-2][0-2]/
var p2 = /^\#[A-Fa-f0-9]{6}$/ var p2 = /^\#[A-Fa-f0-9]{6}$/
var node = this; var node = this;
this.on("input", function(msg) { this.on("input", function(msg) {
if (p1.test(msg.payload)) { if (p1.test(msg.payload)) {
fs.writeFile('/dev/ledborg', msg.payload, function (err) { fs.writeFile('/dev/ledborg', msg.payload, function (err) {
if (err) node.warn(msg.payload+" : No LedBorg found"); if (err) node.warn(msg.payload+" : No LedBorg found");
}); });
} }
if (p2.test(msg.payload)) { if (p2.test(msg.payload)) {
var r = Math.floor(parseInt(msg.payload.slice(1,3),16)/88).toString(); var r = Math.floor(parseInt(msg.payload.slice(1,3),16)/88).toString();
var g = Math.floor(parseInt(msg.payload.slice(3,5),16)/88).toString(); var g = Math.floor(parseInt(msg.payload.slice(3,5),16)/88).toString();
var b = Math.floor(parseInt(msg.payload.slice(5),16)/88).toString(); var b = Math.floor(parseInt(msg.payload.slice(5),16)/88).toString();
fs.writeFile('/dev/ledborg', r+g+b, function (err) { fs.writeFile('/dev/ledborg', r+g+b, function (err) {
if (err) node.warn(r+g+b+" : No LedBorg found"); if (err) node.warn(r+g+b+" : No LedBorg found");
}); });
} }
else { else {
node.warn("Invalid LedBorg colour code"); node.warn("Invalid LedBorg colour code");
} }
}); });
} }
RED.nodes.registerType("ledborg",LedBorgNode); RED.nodes.registerType("ledborg",LedBorgNode);

64
io/ping/88-ping.js
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@ -13,45 +13,45 @@
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
**/ **/
var RED = require("../../red/red");
var RED = require(process.env.NODE_RED_HOME+"/red/red");
var spawn = require('child_process').spawn; var spawn = require('child_process').spawn;
var plat = require('os').platform(); var plat = require('os').platform();
function PingNode(n) { function PingNode(n) {
RED.nodes.createNode(this,n); RED.nodes.createNode(this,n);
this.host = n.host; this.host = n.host;
this.timer = n.timer * 1000; this.timer = n.timer * 1000;
var node = this; var node = this;
node.tout = setInterval(function() { node.tout = setInterval(function() {
var ex; var ex;
if (plat == "linux") ex = spawn('ping', ['-n', '-w 5', '-c 1', node.host]); if (plat == "linux") ex = spawn('ping', ['-n', '-w 5', '-c 1', node.host]);
else if (plat.match(/^win/)) ex = spawn('ping', ['-n 1', '-w 5000', node.host]); else if (plat.match(/^win/)) ex = spawn('ping', ['-n 1', '-w 5000', node.host]);
else if (plat == "darwin") ex = spawn('ping', ['-n', '-t 5', '-c 1', node.host]); else if (plat == "darwin") ex = spawn('ping', ['-n', '-t 5', '-c 1', node.host]);
else node.error("Sorry - your platform - "+plat+" - is not recognised."); else node.error("Sorry - your platform - "+plat+" - is not recognised.");
var res=""; var res="";
ex.stdout.on('data', function (data) {
//console.log('[ping] stdout: ' + data.toString());
var regex = /time=(.*)ms/;
var m = regex.exec(data.toString())||[""];
res = Number(m[1]);
});
ex.stderr.on('data', function (data) {
//console.log('[ping] stderr: ' + data);
});
ex.on('close', function (code) {
//console.log('[ping] result: ' + code);
var msg = { payload: false, topic:node.host };
if (code == 0) msg = { payload: res, topic:node.host };
node.send(msg);
});
}, node.timer);
ex.stdout.on('data', function (data) { this.on("close", function() {
//console.log('[ping] stdout: ' + data.toString()); clearInterval(this.tout);
var regex = /time=(.*)ms/; });
var m = regex.exec(data.toString())||[""];
res = Number(m[1]);
});
ex.stderr.on('data', function (data) {
//console.log('[ping] stderr: ' + data);
});
ex.on('close', function (code) {
//console.log('[ping] result: ' + code);
var msg = { payload: false, topic:node.host };
if (code == 0) msg = { payload: res, topic:node.host };
node.send(msg);
});
}, node.timer);
} }
RED.nodes.registerType("ping",PingNode); RED.nodes.registerType("ping",PingNode);
PingNode.prototype.close = function() {
clearInterval(this.tout);
}

3
time/79-suncalc.js
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@ -13,7 +13,8 @@
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
**/ **/
var RED = require("../../red/red");
var RED = require(process.env.NODE_RED_HOME+"/red/red");
var SunCalc = require('suncalc'); var SunCalc = require('suncalc');
function SunNode(n) { function SunNode(n) {