48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
function connectToBle() {
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// Connect to a device by passing the service UUID
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blueTooth.connect(0xFFE0, gotCharacteristics);
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}
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// A function that will be called once got characteristics
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function gotCharacteristics(error, characteristics) {
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if (error) {
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console.log('error: ', error);
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}
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console.log('characteristics: ', characteristics);
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blueToothCharacteristic = characteristics[0];
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blueTooth.startNotifications(blueToothCharacteristic, gotValue, 'string');
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isConnected = blueTooth.isConnected();
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// Add a event handler when the device is disconnected
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blueTooth.onDisconnected(onDisconnected);
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}
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// A function that will be called once got values
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function gotValue(value) {
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console.log('value: ', value);
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if (value == 'Push Button') {
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receivedValue = "Push Button Pressed";
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} else {
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receivedValue = " ";
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}
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}
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function onDisconnected() {
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console.log('Device got disconnected.');
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isConnected = false;
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}
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function sendData(command) {
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const inputValue = command;
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if (!("TextEncoder" in window)) {
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console.log("Sorry, this browser does not support TextEncoder...");
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}
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var enc = new TextEncoder(); // always utf-8
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blueToothCharacteristic.writeValue(enc.encode(inputValue));
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}
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