servo/tests/html/bluetooth_device_disconnect.html
2016-05-03 11:35:29 +02:00

94 lines
2.8 KiB
HTML

<!DOCTYPE html>
<html>
<title>Device Disconnect</title>
<body>
<input id="service" type="text" autofocus placeholder="Bluetooth Service">
<input id="name" type="text" placeholder="Device Name">
<input id="namePrefix" type="text" placeholder="Device Name Prefix">
<button type="button" onclick="onScanButtonClick()">Scan()</button>
<button type="button" onclick="onDisconnectButtonClick()">Disconnect()</button>
<button type="button" onclick="onReconnectButtonClick()">Reconnect()</button>
<pre id="log"></pre>
<script>
var bluetoothDevice;
function onScanButtonClick() {
clear();
var options = {filters: []};
var filterService = document.getElementById('service').value;
if (filterService.startsWith('0x'))
filterService = parseInt(filterService, 16);
if (filterService)
options.filters.push({services: [filterService]});
var filterName = document.getElementById('name').value;
if (filterName)
options.filters.push({name: filterName});
var filterNamePrefix = document.getElementById('namePrefix').value;
if (filterNamePrefix)
options.filters.push({namePrefix: filterNamePrefix});
bluetoothDevice = null;
try {
log('Requesting Bluetooth Device...');
bluetoothDevice = window.navigator.bluetooth.requestDevice(options);
connect();
} catch(err) {
log(err);
}
}
function onDisconnectButtonClick() {
clear();
if (!bluetoothDevice)
return;
try {
log('Disconnecting from Bluetooth Device...');
if (bluetoothDevice.gatt.connected) {
bluetoothDevice.gatt.disconnect();
log('> Bluetooth Device connected: ' + bluetoothDevice.gatt.connected);
} else {
log('> Bluetooth Device is already disconnected');
}
} catch(err) {
log(err);
}
}
function onReconnectButtonClick() {
clear();
if (!bluetoothDevice)
log('> There is no connected Bluetooth Device instance')
if (bluetoothDevice.gatt.connected) {
log('> Bluetooth Device is already connected');
return;
} else {
connect();
}
}
function connect() {
try {
log('Connecting to Bluetooth Device...');
bluetoothDevice.gatt.connect();
log('> Bluetooth Device connected: ' + bluetoothDevice.gatt.connected);
} catch(err) {
log(err);
}
}
function clear() {
document.getElementById("log").textContent = "";
}
function log(line) {
document.getElementById("log").textContent += line + '\n';
}
</script>
</body>
</html>