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Update physical web node

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add more Pi instructions
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Dave Conway-Jones
2016-03-02 21:57:53 +00:00
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commit 7da9f46c65
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@@ -0,0 +1,177 @@
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23
hardware/physical-web/README.md
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@@ -3,12 +3,29 @@ node-red-node-physical-web
Nodes to allow Node-RED to act as an Eddystone BLE beacon.
Prerequisites
-------------
You will need a suitable Bluetooth Low Energy (BLE) stack and drivers for your hardware
- for example Bluez 5.2.x or better.
#### Raspberry Pi
Install Bluetooth drivers and bluez stack, and set executeable by non-root user
sudo apt-get install libbluetooth-dev libudev-dev pi-bluetooth
sudo setcap cap_net_raw+eip $(eval readlink -f `which node`)
#### Linux / OSX / Windows
Follow **just** the pre-reqs for [noble here](https://github.com/sandeepmistry/noble).
Install
-------
Run the following command in your Node-RED user directory - typically `~/.node-red`
npm install node-red-node-physical-web
npm i node-red-node-physical-web
Then on Linux follow these instructions:
@@ -24,9 +41,9 @@ A node to allow Node-RED to act as an Eddystone beacon broadcasting URLs
The config window lets you set the initial URL, announcement power and period for the Eddystone.
Any messages received will update the advertised URL from the msg.payload
Any messages received will update the advertised URL from the `msg.payload`
## Physical-Web In
### Physical-Web In
A node to scan for local Eddystones and output information about discovered URLs and TLM data.

2
hardware/physical-web/package.json
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@@ -1,6 +1,6 @@
{
"name": "node-red-node-physical-web",
"version": "0.0.5",
"version": "0.0.6",
"description": "A set of nodes to interact with the Phyical Web",
"main": "physical-web.js",
"scripts": {

95
hardware/physical-web/physical-web.html
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@@ -13,11 +13,9 @@
<script type="text/x-red" data-template-name="PhysicalWeb in">
<div class="form-row">
<label for="node-input-topic"><i class="fa fa-tasks"></i> Topic</label>
<input type="text" id="node-input-topic" placeholder="eddysone">
<input type="text" id="node-input-topic" placeholder="eddystone">
</div>
<br/>
<!-- By convention, most nodes have a 'name' property. The following div -->
<!-- provides the necessary field. Should always be the last option -->
<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">
@@ -25,11 +23,10 @@
</script>
<script type="text/x-red" data-help-name="PhysicalWeb in">
<p><a href="https://google.github.io/physical-web/">Physical Web</a></p>
<p><a href="https://github.com/sandeepmistry/bleno#running-on-linux">READ THIS ON LINUX</a>
<p>This node scans for Eddystones and publishes what it finds. It can output 2 types of message</p>
<ul>
<li><strong>URL</strong> -
<p><a href="https://google.github.io/physical-web/">Physical Web</a> node to scan for Eddystone beacons.</p>
<p>This node scans for Eddystones and publishes what it finds. It can output 2 types of message</p>
<ul>
<li><strong>URL</strong> -
<ul>
<li>type - Eddystone type</li>
<li>txPower - Received power at 0m in dBm</li>
@@ -39,7 +36,7 @@
<li>distance - Estimated distance to the beacon</li>
</ul>
</li>
<li><strong>UID</strong> -
<li><strong>UID</strong> -
<ul>
<li>type - Eddystone type</li>
<li>txPower - Received power at 0m in dBm</li>
@@ -65,49 +62,46 @@
<li>rssi - RSSI of diecovered beacon</li>
<li>distance - Approximate distance to beacon</li>
</ul>
<p>Linux users should <a href="https://github.com/sandeepmistry/bleno#running-on-linux" target="_new">READ THIS</a>.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('PhysicalWeb in',{
category: 'Physical_Web', // the palette category
defaults: { // defines the editable properties of the node
name: {value:"Eddystone"}, // along with default values.
topic: {value: "eddystone"}
category: 'Physical_Web',
defaults: {
name: {value:"Eddystone"},
topic: {value:"eddystone"}
},
color: "#2F7ACD",
inputs:0, // set the number of inputs - only 0 or 1
outputs:1, // set the number of outputs - 0 to n
// set the icon (held in icons dir below where you save the node)
icon: "physical-web.png", // saved in icons/myicon.png
label: function() { // sets the default label contents
inputs:0,
outputs:1,
icon: "physical-web.png",
label: function() {
return this.name||"PhysicalWeb";
},
labelStyle: function() { // sets the class to apply to the label
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
</script>
<script type="text/x-red" data-template-name="PhysicalWeb out">
<div class="form-row">
<label for="node-input-period"><i class="fa fa-tasks"></i> Period</label>
<input type="text" id="node-input-period" placeholder="Period">
</div>
<br/>
<div class="form-row">
<label for="node-input-url"><i class="fa fa-link"></i> URL</label>
<input type="text" id="node-input-url" placeholder="http://...">
<!--<button type="button" id="node-input-url-shorten" disabled=true>Shorten</button> -->
<p style="margin-left:100px;width: 70%">This URL needs to be shorter than 18 bytes in length to meet Eddystone spec</p>
<p style="margin-left:100px;width: 70%">This URL needs to be shorter than 18 bytes
in length to meet Eddystone spec</p>
</div>
<br/>
<div class="form-row">
<label for="node-input-power"><i class="fa fa-battery-half"></i> Power</label>
<input type="text" id="node-input-power" placeholder="Power">
<label for="node-input-period"><i class="fa fa-repeat"></i> Period (S)</label>
<input type="text" id="node-input-period" style="width:80px;" placeholder="Period">
</div>
<div class="form-row">
<label for="node-input-power"><i class="fa fa-battery-half"></i> Power (dB)</label>
<input type="text" id="node-input-power" style="width:80px;" placeholder="Power">
</div>
<br/>
<!-- By convention, most nodes have a 'name' property. The following div -->
<!-- provides the necessary field. Should always be the last option -->
<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">
@@ -115,39 +109,36 @@
</script>
<script type="text/x-red" data-help-name="PhysicalWeb out">
<p><a href="https://google.github.io/physical-web/">Physical Web</a></p>
<p><a href="https://github.com/sandeepmistry/bleno#running-on-linux">READ THIS ON LINUX</a>
<p>This node takes the value of <i>msg.payload</i> and publishes it as a Eddystone URL announcement. URLs need to be less than 18 bytes long so should be run through a shortner first.</p>
<p>The config window will allow you to set the powerlevel (-30 to 100 db) and the period (ms) between anouncements</p>
<p><a href="https://google.github.io/physical-web/">Physical Web</a> beacon node.</p>
<p>This node takes the value of <code>msg.payload</code> and publishes it as an Eddystone URL
announcement. URLs <b>must</b> be less than 18 bytes long, so should be run through a shortner first.</p>
<p>The config window will allow you to set the powerlevel (-30 to 100 db) and the period (ms)
between anouncements</p>
<p>Linux users should <a href="https://github.com/sandeepmistry/bleno#running-on-linux" target="_new">READ THIS</a>.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('PhysicalWeb out',{
category: 'Physical_Web', // the palette category
defaults: { // defines the editable properties of the node
name: {value:"Eddystone"}, // along with default values.
url: {value: ""
//, validate: function(v) {var m = encodeURIComponent(v).match(/%[89ABab]/g); if (v.length + (m ? m.length : 0) < 18){$('#node-input-url-shorten').prop('disabled', true);return true} else {$('#node-input-url-shorten').prop('disabled', false);return false}}
},
category: 'Physical_Web',
defaults: {
name: {value:"Eddystone"},
url: {value:""},
power: {value:"-21"},
period: {value: "10"}
period: {value:"10"}
},
color: "#2F7ACD",
inputs:1, // set the number of inputs - only 0 or 1
outputs:0, // set the number of outputs - 0 to n
// set the icon (held in icons dir below where you save the node)
icon: "physical-web.png", // saved in icons/myicon.png
label: function() { // sets the default label contents
inputs:1,
outputs:0,
icon: "physical-web.png",
label: function() {
return this.name||"PhysicalWeb";
},
labelStyle: function() { // sets the class to apply to the label
labelStyle: function() {
return this.name?"node_label_italic":"";
},
oneditprepare: function() {
},
oneditsave: function() {
$( "#node-input-period" ).spinner({min:1});
$( "#node-input-power" ).spinner({min:-30,max:100});
}
});
</script>
</script>

19
hardware/physical-web/physical-web.js
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@@ -16,11 +16,10 @@
module.exports = function(RED) {
"use strict";
var eddystoneBeacon = require('eddystone-beacon');
var EddystoneBeaconScanner = require('eddystone-beacon-scanner');
function Beacon(n){
function Beacon(n) {
RED.nodes.createNode(this,n);
var node = this;
node.power = n.power;
@@ -33,28 +32,27 @@ module.exports = function(RED) {
tlmCount: 2
}
if (node.url) {
try {
eddystoneBeacon.advertiseUrl(node.url, node.options);
} catch(e){
} catch(e) {
node.error('Error setting beacon URL', e);
}
}
node.on('input', function(msg){
node.on('input', function(msg) {
try {
eddystoneBeacon.advertiseUrl(msg.payload, node.options);
} catch(e){
} catch(e) {
node.error('error updating beacon URL', e);
}
});
node.on('close', function(done){
node.on('close', function(done) {
try {
eddystoneBeacon.stop();
done();
} catch(e){
} catch(e) {
node.error('error shuttingdown beacon', e);
}
});
@@ -62,7 +60,7 @@ module.exports = function(RED) {
}
RED.nodes.registerType("PhysicalWeb out", Beacon);
function Scanner(n){
function Scanner(n) {
RED.nodes.createNode(this,n);
var node = this;
node.topic = n.topic;
@@ -77,12 +75,11 @@ module.exports = function(RED) {
EddystoneBeaconScanner.on('found', onFound);
EddystoneBeaconScanner.on('updated', onFound);
node.on('close',function(done){
node.on('close',function(done) {
EddystoneBeaconScanner.removeListener('found', onFound);
EddystoneBeaconScanner.removeListener('updated', onFound);
done();
});
}
RED.nodes.registerType("PhysicalWeb in", Scanner);
};