Tamojit Saha TamojitSaha

## color.c
#include "color.h"
#include "utilities.h"

#include <math.h>

/*
 * Algorithm adapted from https://gist.github.com/hdznrrd/656996. Uses a little libmath.
 * */
void color_HSV2RGB(struct color_ColorHSV const *hsv, struct color_ColorRGB *rgb) {
   int i;

## hcsr04.ino
#include <Arduino.h>
// Uses https://github.com/PaulStoffregen/TimerOne for sending on a regular interval
#include <TimerOne.h>

// ECHO pin, needs to be a pin that supports interrupts!
#define ULTRASONIC_PIN_INPUT      2
// TRIG pin, can be any output pin
#define ULTRASONIC_PIN_OUTPUT     3
// update interval, make sure to keep it above 20ms
#define ULTRASONIC_TIMER_US       50000

## index.html
<!DOCTYPE html>
<html>
  <head>
    <title>Practice AJAX</title>
    <script type="text/javascript">
      function do_ajax() {
        var req = new XMLHttpRequest();
        var result = document.getElementById('result');
        req.onreadystatechange = function()
        {
	#include "color.h"
	#include "utilities.h"

	#include <math.h>

	/*
	* Algorithm adapted from https://gist.github.com/hdznrrd/656996. Uses a little libmath.
	* */
	void color_HSV2RGB(struct color_ColorHSV const hsv, struct color_ColorRGB rgb) {
	int i;
	#include <Arduino.h>
	// Uses https://github.com/PaulStoffregen/TimerOne for sending on a regular interval
	#include <TimerOne.h>

	// ECHO pin, needs to be a pin that supports interrupts!
	#define ULTRASONIC_PIN_INPUT 2
	// TRIG pin, can be any output pin
	#define ULTRASONIC_PIN_OUTPUT 3
	// update interval, make sure to keep it above 20ms
	#define ULTRASONIC_TIMER_US 50000
	<!DOCTYPE html>
	<html>
	<head>
	<title>Practice AJAX</title>
	<script type="text/javascript">
	function do_ajax() {
	var req = new XMLHttpRequest();
	var result = document.getElementById('result');
	req.onreadystatechange = function()
	{