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< var pref='';
< 
18c16
< async function oldonButtonClick() {
---
> async function onButtonClick() {
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< 
< async function newestonButtonClick() {
<   const controlServiceUUID = 0xfff0; // Full UUID
<   const commandCharacteristicUUID = 0xfff4; //
<         var myCharacteristic;
<         navigator.bluetooth.requestDevice({
<             acceptAllDevices: true,
<             optionalServices: [controlServiceUUID]
< 
<         })
< 
<         .then(device => {
<             console.log("Got device name: ", device.name);
<             console.log("id: ", device.id);
<             return device.gatt.connect();
<             console.log("Here");
<         })
< 
<         .then(server => {
< 
<             serverInstance = server;
<             console.log("Getting PrimaryService");
<             return server.getPrimaryService(controlServiceUUID);
<         })
< 
<         .then(service => {
<             console.log("Getting Characteristic");
<             return service.getCharacteristic(commandCharacteristicUUID);
<         })
< 
<         .then(characteristic => {
<             // 0x01,3,0x02,0x03,0x01
<             myCharacteristic = characteristic;
<             return myCharacteristic.startNotifications().then(_ => {
<                 log('Notifications started');
< 
<              myCharacteristic.addEventListener('characteristicvaluechanged', test);
<             });
<         })
<         .catch(function(error) {
<             console.log("Something went wrong. " + error);
<         });
< }
< 
< function consolelog(incis) {
<   pref=incis + ' ... ';
<   document.getElementById('result').innerHTML+=incis + '</br>';
<   return console.log(incis);
< }
< 
< 
< async function onButtonClick() {
<   try {
<     consolelog('Requesting any Bluetooth Device...');
<     const device = await navigator.bluetooth.requestDevice({
<      // filters: [...] <- Prefer filters to save energy & show relevant devices.
<         acceptAllDevices: true,
<         optionalServices: ['device_information']});
< 
<    
<     consolelog('Connecting to GATT Server...');
<     const server = await device.gatt.connect();
< 
<     consolelog('Getting Device Information Service...');
<     const service = await server.getPrimaryService('device_information');
< 
<     consolelog('Getting Device Information Characteristics...');
<     const characteristics = await service.getCharacteristics();
< 
<     const decoder = new TextDecoder('utf-8');
<     for (const characteristic of characteristics) {
<       switch (characteristic.uuid) {
< 
<         case BluetoothUUID.getCharacteristic('manufacturer_name_string'):
<           await characteristic.readValue().then(value => {
<             consolelog('> Manufacturer Name String: ' + decoder.decode(value));
<           });
<           break;
< 
<         case BluetoothUUID.getCharacteristic('model_number_string'):
<           await characteristic.readValue().then(value => {
<             consolelog('> Model Number String: ' + decoder.decode(value));
<           });
<           break;
< 
<         case BluetoothUUID.getCharacteristic('hardware_revision_string'):
<           await characteristic.readValue().then(value => {
<             consolelog('> Hardware Revision String: ' + decoder.decode(value));
<           });
<           break;
< 
<         case BluetoothUUID.getCharacteristic('firmware_revision_string'):
<           await characteristic.readValue().then(value => {
<             consolelog('> Firmware Revision String: ' + decoder.decode(value));
<           });
<           break;
< 
<         case BluetoothUUID.getCharacteristic('software_revision_string'):
<           await characteristic.readValue().then(value => {
<             consolelog('> Software Revision String: ' + decoder.decode(value));
<           });
<           break;
< 
<         case BluetoothUUID.getCharacteristic('system_id'):
<           await characteristic.readValue().then(value => {
<             consolelog('> System ID: ');
<             consolelog('  > Manufacturer Identifier: ' +
<                 padHex(value.getUint8(4)) + padHex(value.getUint8(3)) +
<                 padHex(value.getUint8(2)) + padHex(value.getUint8(1)) +
<                 padHex(value.getUint8(0)));
<             consolelog('  > Organizationally Unique Identifier: ' +
<                 padHex(value.getUint8(7)) + padHex(value.getUint8(6)) +
<                 padHex(value.getUint8(5)));
<           });
<           break;
< 
<         case BluetoothUUID.getCharacteristic('ieee_11073-20601_regulatory_certification_data_list'):
<           await characteristic.readValue().then(value => {
<             consolelog('> IEEE 11073-20601 Regulatory Certification Data List: ' +
<                 decoder.decode(value));
<           });
<           break;
< 
<         case BluetoothUUID.getCharacteristic('pnp_id'):
<           await characteristic.readValue().then(value => {
<             consolelog('> PnP ID:');
<             consolelog('  > Vendor ID Source: ' +
<                 (value.getUint8(0) === 1 ? 'Bluetooth' : 'USB'));
<             if (value.getUint8(0) === 1) {
<               consolelog('  > Vendor ID: ' +
<                   (value.getUint8(1) | value.getUint8(2) << 8));
<             } else {
<               consolelog('  > Vendor ID: ' +
<                   getUsbVendorName(value.getUint8(1) | value.getUint8(2) << 8));
<             }
<             consolelog('  > Product ID: ' +
<                 (value.getUint8(3) | value.getUint8(4) << 8));
<             consolelog('  > Product Version: ' +
<                 (value.getUint8(5) | value.getUint8(6) << 8));
<           });
<           break;
< 
<         default: consolelog('> Unknown Characteristic: ' + characteristic.uuid);
<       }
<     }
<   } catch(error) {
<     document.getElementById('result').innerHTML+='Argh! ' + pref + error + '</br>';
<     console.log('Argh! ' + pref + error);
<   }
< }
< 
< /* Utils */
< 
< function padHex(value) {
<   return ('00' + value.toString(16).toUpperCase()).slice(-2);
< }
< 
< function getUsbVendorName(value) {
<   // Check out page source to see what valueToUsbVendorName object is.
<   return value +
<       (value in valueToUsbVendorName ? ' (' + valueToUsbVendorName[value] + ')' : '');
< }
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< <h2>Web Bluetooth API Testing</h2>
< <h3>RJM Programming - June, 2022</h3>
< <h4>Thanks to <a target=_blank title='https://googlechrome.github.io/samples/web-bluetooth/device-info.html' href='//googlechrome.github.io/samples/web-bluetooth/device-info.html'>https://googlechrome.github.io/samples/web-bluetooth/device-info.html</a></h4>
< <div id=result>
< </div><br><br>
< 
< <span>Name</span><br>
< <input type=text id=name placeholder="" value=""></input><br><br>
---
> <span>Name ... eg.</span><br>
> <input type=text id=name placeholder='The Monkey' value=''></input><br><br>
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< <input type=hidden id=optionalServices value=''></input>
< <input type=hidden id=service value=''></input>
< <input type=hidden id=characteristic value=''></input><br><br>
---
> <input type=hidden id=optionalServices value=''></input><br><br>