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Merge pull request #7 from jadonk/master
0.2.4
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‎README.md‎

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@@ -17,12 +17,17 @@ applications through the use of HTML5/JavaScript web pages.
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Installation
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------------
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Bonescript comes installed on your BeagleBone. If you are looking to update
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to the latest revision, use 'opkg' to perform the update:
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BoneScript comes installed on your BeagleBone. To update
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to the latest revision or install it on another distribution, use 'npm':
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````sh
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TERM=none npm install -g bonescript
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````
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Angstrom prerequisites:
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````sh
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opkg update
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opkg install bonescript
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opkg install python-misc python-modules
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````
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Support for other distributions is a work in progress.
@@ -89,8 +94,8 @@ When a callback is provided, the functions will behave asynchronously.
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Without a callback provided, the functions will synchronize and complete
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before returning.
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Digital I/O, Analog I/O, and Advanced I/O
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-----------------------------------------
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Digital and Analog I/O
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----------------------
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* analogRead(pin, [callback]) -> value
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* analogWrite(pin, value, [freq], [callback])
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* attachInterrupt(pin, handler, mode, [callback])
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* getPinMode(pin, [callback]) -> pinMode
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* shiftOut(dataPin, clockPin, bitOrder, val, [callback])
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Serial
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------
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Uses https://github.com/voodootikigod/node-serialport
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* serialOpen(port, options, [callback])
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* serialWrite(port, data, [callback])
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I2C
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---
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Uses https://github.com/korevec/node-i2c
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* i2cOpen(port, address, options, [callback])
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* i2cScan(port, [callback])
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* i2cWriteByte(port, byte, [callback])
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* i2cWriteBytes(port, command, bytes, [callback])
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* i2cReadByte(port, [callback])
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* i2cReadBytes(port, command, length, [callback])
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* i2cStream(port, command, length, [callback])
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Bits/Bytes, Math, Trigonometry and Random Numbers
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-------------------------------------------------
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* lowByte(value)

‎demo/analog.js‎

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var b = require('bonescript');
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inputPin = "P9_36";
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outputPin = "P8_13";
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var inputPin = "P9_36";
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var outputPin = "P9_14";
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b.pinMode(outputPin, b.OUTPUT);
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b.pinMode(outputPin, b.ANALOG_OUTPUT);
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loop();
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function loop() {
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var value = b.analogRead(inputPin);
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b.analogWrite(outputPin, value);
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setTimeout(loop, 1);
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};
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}

‎demo/analog2.js‎

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var b = require('bonescript');
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inputPin = "P9_36";
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var inputPin = "P9_36";
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loop();
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‎demo/blinkled.js‎

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var b = require('bonescript');
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var ledPin = "P8_13";
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var ledPin = "P9_14";
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var ledPin2 = "USR3";
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b.pinMode(ledPin, b.OUTPUT);

‎demo/fade.js‎

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@@ -3,10 +3,10 @@ var b = require('bonescript');
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// setup starting conditions
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var awValue = 0.01;
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var awDirection = 1;
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var awPin = "P8_13";
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var awPin = "P9_14";
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// configure pin
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b.pinMode(awPin, b.OUTPUT);
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b.pinMode(awPin, b.ANALOG_OUTPUT);
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// call function to update brightness every 10ms
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setInterval(fade, 10);

‎demo/input.js‎

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var b = require('bonescript');
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var outputPin = "P8_13";
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var outputPin = "P9_14";
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var inputPin = "P8_19";
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var ledPin = "USR3";
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var mydelay = 100;

‎demo/input2.js‎

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@@ -1,9 +1,9 @@
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var b = require('bonescript');
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var outputPin = "P8_13";
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var inputPin = "P9_12";
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var outputPin2 = "P8_15";
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var inputPin2 = "P8_16";
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var outputPin = "P9_14";
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var inputPin = "P8_19";
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var outputPin2 = "P9_16";
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var inputPin2 = "P9_15";
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var ledPin = "USR3";
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var ledPin2 = "USR2";
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var mydelay = 100;

‎demo/shiftout.js‎

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//
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// Demonstrate shiftOut with a 7 segment display
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//
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// read in the BoneScript library
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var b = require('bonescript');
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// define used pins
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var sData = "P9_18";
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var sClock = "P9_22";
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var sLatch = "P9_17";
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var sClear = "P9_15";
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// define other global variables
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var digit = 0;
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var segments = [ 0xC0, 0xF9, 0xA4, 0xB0, 0x99, 0x92, 0x82, 0xF8, 0x80, 0x90 ];
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// configure pins as outputs
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b.pinMode(sData, b.OUTPUT);
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b.pinMode(sClock, b.OUTPUT);
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b.pinMode(sLatch, b.OUTPUT);
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b.pinMode(sClear, b.OUTPUT);
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// initial states
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b.digitalWrite(sData, b.LOW);
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b.digitalWrite(sClock, b.LOW);
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b.digitalWrite(sLatch, b.LOW);
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b.digitalWrite(sClear, b.HIGH);
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// call function to start updating the LED shift register
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doUpdate();
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// function to update the LED shift register
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function doUpdate() {
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// shift out the character LED pattern
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b.shiftOut(sData, sClock, b.MSBFIRST, segments[digit], doLatch);
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// update the digit for next time
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digit = (digit + 1) % 10;
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}
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function doLatch() {
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// latch in the value
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b.digitalWrite(sLatch, b.HIGH, doLatchLow);
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}
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function doLatchLow() {
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b.digitalWrite(sLatch, b.LOW, scheduleUpdate);
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}
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function scheduleUpdate() {
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// update again in another 25ms
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setTimeout(doUpdate, 25);
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}

‎extras/bacon_cape/BaconCapeLabs.pdf‎

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‎extras/bacon_cape/demo_flot.html‎

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<html>
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<head>
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<title>Flot Demo</title>
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<script src="flot/jquery.min.js"></script>
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<script src="flot/jquery.flot.min.js"></script>
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<script src="http://192.168.7.2/static/bonescript.js"></script>
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</head>
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<body>
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<h1>Flot Demo</h1>
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<div id="myplot" style="
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width:850px;
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height:425px;
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padding:10px 5px 0 0;
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margin: 15px auto 30px auto;
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border: 1px solid #ddd;
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background: #fff;
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background: linear-gradient(#f6f6f6 0, #fff 50px);
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background: -o-linear-gradient(#f6f6f6 0, #fff 50px);
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background: -ms-linear-gradient(#f6f6f6 0, #fff 50px);
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background: -moz-linear-gradient(#f6f6f6 0, #fff 50px);
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background: -webkit-linear-gradient(#f6f6f6 0, #fff 50px);
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box-shadow: 0 3px 10px rgba(0,0,0,0.15);
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-o-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
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-ms-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
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-moz-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
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-webkit-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
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"></div>
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<div style="clear:both;"></div>
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<script>
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$(document).ready( function() {
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// Get the BoneScript library and begin app
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setTargetAddress('192.168.7.2', {initialized: run});
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function run() {
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var b = require('bonescript');
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var buttonStatus = 0;
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var sliderStatus = 0;
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var sliderReadIdle = true;
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var BUTTON = 'P8_19';
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var POT = 'P9_36';
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var container = $("#myplot");
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var maximum = container.outerWidth() / 2 || 300;
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var data = [];
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var plotOptions = {
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grid: {
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borderWidth: 1,
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minBorderMargin: 20,
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labelMargin: 10,
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backgroundColor: {
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colors: ["#fff", "#e4f4f4"]
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},
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margin: {
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top: 8,
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bottom: 20,
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left: 20
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},
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markings: function(axes) {
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var markings = [];
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var xaxis = axes.xaxis;
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for (var x = Math.floor(xaxis.min); x < xaxis.max; x += xaxis.tickSize * 2) {
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markings.push({ xaxis: { from: x, to: x + xaxis.tickSize }, color: "rgba(232, 232, 255, 0.2)" });
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}
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return markings;
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}
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},
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xaxis: {
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tickFormatter: function() {
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return "";
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},
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min: 0,
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max: maximum
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},
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yaxis: {
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min: 0,
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max: 1.1
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},
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legend: {
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show: true
80+
}
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};
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var plot = $.plot(container, getData(), plotOptions);
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var yaxisLabel = $('<div></div>')
84+
.text("Analog in (%)")
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.appendTo(container);
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yaxisLabel.css("position", "absolute");
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yaxisLabel.css("text-align", "center");
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yaxisLabel.css("font-size", "12px");
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yaxisLabel.css("top", "50%");
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yaxisLabel.css("left", "2px");
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yaxisLabel.css("transform", "rotate(-90deg)");
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yaxisLabel.css("transform-origin", "0 0");
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yaxisLabel.css("margin-top", yaxisLabel.width() / 2 - 20);
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function pushData(y) {
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if (data.length && (data.length+1) > maximum) {
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data = data.slice(1);
98+
}
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if (data.length < maximum) {
101+
data.push(y);
102+
}
103+
}
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function getData() {
106+
var res = [];
107+
for (var i = 0; i < data.length; ++i) {
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res.push([i, data[i]]);
109+
}
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var series = [{
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data: res,
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lines: {
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fill: true
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}
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}];
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return series;
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}
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b.pinMode(BUTTON, b.INPUT);
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setInterval(drawGraph, 20);
123+
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function drawGraph() {
125+
if(sliderReadIdle) {
126+
sliderReadIdle = false;
127+
b.analogRead(POT, onAnalogRead);
128+
} else {
129+
setTimeout(doSliderRead, 1);
130+
}
131+
pushData(sliderStatus);
132+
plot.setData(getData());
133+
plot.draw();
134+
}
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function doSliderRead() {
137+
if(sliderReadIdle) {
138+
sliderReadIdle = false;
139+
b.analogRead(POT, onAnalogRead);
140+
} else {
141+
setTimeout(doSliderRead, 1);
142+
}
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}
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// Handle data back from potentiometer
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function onAnalogRead(x) {
147+
if(!x.err && typeof x.value == 'number') {
148+
sliderReadIdle = true;
149+
sliderStatus = x.value.toFixed(3);
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}
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}
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// Handle data back from button
154+
function onDigitalRead(x) {
155+
buttonStatus = (x.value == b.LOW) ? 1 : 0;
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$('#buttonStatus').html(buttonStatus);
157+
}
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}
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});
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</script>
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</body>
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</html>

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