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| let printCharacteristic; | |
| sendTextData = () => { | |
| let encoder = new TextEncoder('utf-8'); | |
| }; | |
| document.querySelector("#requestButton").addEventListener("click", () => { | |
| navigator.bluetooth.requestDevice({ | |
| filters: [{ | |
| services: ['000018f0-0000-1000-8000-00805f9b34fb'] | |
| }] | |
| }) | |
| .then(device => { | |
| console.log('> Found ' + device.name); | |
| console.log('Connecting to GATT Server...'); | |
| return device.gatt.connect(); | |
| }) | |
| .then(server => server.getPrimaryService("000018f0-0000-1000-8000-00805f9b34fb")) | |
| .then(service => service.getCharacteristic("00002af1-0000-1000-8000-00805f9b34fb")) | |
| .then(characteristic => { | |
| printCharacteristic = characteristic; | |
| console.log(printCharacteristic); // printCharacteristic.writeValueで書き込めるっぽい | |
| }) | |
| .catch(error => console.log(error)); | |
| }, false); |
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| <!doctype html> | |
| <html lang="ja"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Document</title> | |
| </head> | |
| <body> | |
| <button id="requestButton">requestDevice</button> | |
| <script src="app.js"></script> | |
| </body> | |
| </html> |
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16行目でerrorに入る
app.js:20 DOMException: Unsupported device.