nLight/README.md

## README.md

      
    Raw
  

              README.md
            
          
Copy gopro_timer.html to the root directory on your SD card
Enable WiFi on your GoPro
Connect to your gopro WiFi from your computer
Open http://10.5.5.9/videos/gopro_timer.html


## gopro_timer.html
<html>
  <head>
    <title>GoPro Timer</title>
  </head>
  <body>
    <script>
      var countDownTimer = null;

      function countDown (time) {
        stopTimer();

        var timer = document.getElementById("timer");
        timer.innerText = time--;

        countDownTimer = window.setInterval(function () {
          if (time > 0) {
            timer.innerText = time--;
          }
          else {
            stopTimer();
          }
        }, 1000);
      }
      function stopTimer () {
        clearInterval(countDownTimer);
        document.getElementById("timer").innerText = "";
      }

      function start () {
        var startReq   = new XMLHttpRequest()
          , stopReq    = new XMLHttpRequest()
          , waitTime   = parseInt( document.getElementById("waitTime").value, 10)
          , recordTime = parseInt( document.getElementById("recordTime").value, 10)
          , stopRecording = function () {
              stopTimer();
              document.getElementById("cameraStatus").innerText = "Stopped...";

              stopReq.open("GET", "http://10.5.5.9/gp/gpControl/command/shutter?p=0");
              stopReq.send();
            }
          , startRecording = function () {
              startReq.open("GET", "http://10.5.5.9/gp/gpControl/command/shutter?p=1");
              startReq.addEventListener("load", function () {
                  document.getElementById("cameraStatus").innerText = "Recording...";

                  countDownTimer = countDown(recordTime);
                  window.setTimeout(stopRecording, recordTime * 1000);
              });
              startReq.send();
            };

        window.setTimeout(startRecording, waitTime * 1000);
        countDown(waitTime);
      }
    </script>

    <label for="waitTime">Wait time in sec: <input id="waitTime" value="5"></label>
    <label for="recordTime">Record time in sec: <input id="recordTime" value="5"></label>
    <button onclick="start();">Start!</button>
    <div id="cameraStatus"></div>
    <div id="timer"></div>
  </body>
</html>
	<html>
	<head>
	<title>GoPro Timer</title>
	</head>
	<body>
	<script>
	var countDownTimer = null;

	function countDown (time) {
	stopTimer();

	var timer = document.getElementById("timer");
	timer.innerText = time--;

	countDownTimer = window.setInterval(function () {
	if (time > 0) {
	timer.innerText = time--;
	}
	else {
	stopTimer();
	}
	}, 1000);
	}
	function stopTimer () {
	clearInterval(countDownTimer);
	document.getElementById("timer").innerText = "";
	}

	function start () {
	var startReq = new XMLHttpRequest()
	, stopReq = new XMLHttpRequest()
	, waitTime = parseInt( document.getElementById("waitTime").value, 10)
	, recordTime = parseInt( document.getElementById("recordTime").value, 10)
	, stopRecording = function () {
	stopTimer();
	document.getElementById("cameraStatus").innerText = "Stopped...";

	stopReq.open("GET", "http://10.5.5.9/gp/gpControl/command/shutter?p=0");
	stopReq.send();
	}
	, startRecording = function () {
	startReq.open("GET", "http://10.5.5.9/gp/gpControl/command/shutter?p=1");
	startReq.addEventListener("load", function () {
	document.getElementById("cameraStatus").innerText = "Recording...";

	countDownTimer = countDown(recordTime);
	window.setTimeout(stopRecording, recordTime * 1000);
	});
	startReq.send();
	};

	window.setTimeout(startRecording, waitTime * 1000);
	countDown(waitTime);
	}
	</script>

	<label for="waitTime">Wait time in sec: <input id="waitTime" value="5"></label>
	<label for="recordTime">Record time in sec: <input id="recordTime" value="5"></label>
	<button onclick="start();">Start!</button>
	<div id="cameraStatus"></div>
	<div id="timer"></div>
	</body>
	</html>