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https://github.com/thegecko/webbluetooth
Node.js implementation of the Web Bluetooth Specification
https://github.com/thegecko/webbluetooth
Last synced: about 1 month ago
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Node.js implementation of the Web Bluetooth Specification
- Host: GitHub
- URL: https://github.com/thegecko/webbluetooth
- Owner: thegecko
- License: mit
- Created: 2017-11-19T15:37:59.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2024-05-14T07:08:07.000Z (about 2 months ago)
- Last Synced: 2024-05-14T08:28:54.208Z (about 2 months ago)
- Language: TypeScript
- Homepage: https://thegecko.github.io/webbluetooth/
- Size: 1.85 MB
- Stars: 138
- Watchers: 6
- Forks: 21
- Open Issues: 13
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
Lists
- awesome-ponyfills - webbluetooth - [`Bluetooth`](https://developer.mozilla.org/en-US/docs/Web/API/Web_Bluetooth_API) (Browser Features)
README
# Node Web Bluetooth
Node.js implementation of the [Web Bluetooth Specification](https://webbluetoothcg.github.io/web-bluetooth/)
[](https://github.com/thegecko/webbluetooth/actions)
[](https://www.npmjs.com/package/webbluetooth)
[](http://opensource.org/licenses/MIT)
## Prerequisites
[Node.js > v10.20.0](https://nodejs.org), which includes `npm`.
## Installation
```bash
$ npm install webbluetooth
```
## Getting Started
See the [examples](https://github.com/thegecko/webbluetooth/tree/master/examples/) or view the API documentation at:
https://thegecko.github.io/webbluetooth/
## Usage
The module exports a default `navigator.bluetooth` instance, the `Bluetooth` class to allow you to instantiate your own bluetooth instances and the Bluetooth helper methods:
- [bluetooth](globals.html#bluetooth)
- [Bluetooth()](classes/bluetooth.html)
- [BluetoothUUID.getService()](globals.html)
- [BluetoothUUID.getCharacteristic()](globals.html)
- [BluetoothUUID.getDescriptor()](globals.html)
- [BluetoothUUID.canonicalUUID()](globals.html)
### Using the default bluetooth instance
To use existing Web Bluetooth scripts, you can simply use the default `bluetooth` instance in place of the `navigator.bluetooth` object:
```JavaScript
const bluetooth = require('webbluetooth').bluetooth;
const device = await bluetooth.requestDevice({
filters:[{ services:[ 'heart_rate' ] }]
});
const server = await device.gatt.connect();
...
```
The first device matching the filters will be returned.
### Creating your own bluetooth instances
You may want to create your own instance of the `Bluetooth` class. For example, to inject a device chooser function or control the referring device:
```JavaScript
const Bluetooth = require('webbluetooth').Bluetooth;
const deviceFound = (device, selectFn) => {
// If device can be automatically selected, do so by returning true
if (device.name === 'myName') return true;
// Otherwise store the selectFn somewhere and execute it later to select this device
};
const bluetooth = new Bluetooth({ deviceFound });
const device = await bluetooth.requestDevice({
filters:[{ services:[ 'heart_rate' ] }]
});
const server = await device.gatt.connect();
...
```
## Specification
The Web Bluetooth specification can be found here:
https://webbluetoothcg.github.io/web-bluetooth/
## Implementation Status
### bluetooth
- [ ] getAvailability() - unsupported in adapter
- [x] referringDevice
- [x] requestDevice()
- [x] getDevices()
- [x] RequestDeviceOptions.filter.name
- [x] RequestDeviceOptions.filter.namePrefix
- [x] RequestDeviceOptions.filter.services
- [x] RequestDeviceOptions.filter.manufacturerData
- [x] RequestDeviceOptions.filter.serviceData
- [x] RequestDeviceOptions.acceptAllDevices
- [x] RequestDeviceOptions.optionalServices
- [ ] RequestDeviceOptions.exclusionFilters
- [ ] RequestDeviceOptions.optionalManufacturerData - used in advertisements, unsupported in adapter
### BluetoothDevice
- [x] id
- [x] name
- [x] gatt
- [x] forget()
- [ ] watchAdvertisements() - unsupported in adapter
- [ ] watchingAdvertisements - unsupported in adapter
### BluetoothRemoteGATTServer
- [x] device
- [x] connected
- [x] connect()
- [x] disconnect()
- [x] getPrimaryService()
- [x] getPrimaryServices()
### BluetoothRemoteGATTService
- [x] uuid
- [x] device
- [x] isPrimary
- [x] getCharacteristic()
- [x] getCharacteristics()
- [ ] getIncludedService() - unsupported in adapter
- [ ] getIncludedServices() - unsupported in adapter
### BluetoothRemoteGATTCharacteristic
- [x] uuid
- [x] service
- [x] value
- [ ] properties.broadcast - unsupported in adapter
- [x] properties.read
- [x] properties.writeWithoutResponse
- [x] properties.write
- [x] properties.notify
- [x] properties.indicate
- [ ] properties.authenticatedSignedWrites - unsupported in adapter
- [ ] properties.reliableWrite - unsupported in adapter
- [ ] properties.writableAuxiliaries - unsupported in adapter
- [x] getDescriptor()
- [x] getDescriptors()
- [x] readValue()
- [x] writeValue()
- [x] writeValueWithResponse()
- [x] writeValueWithoutResponse()
- [x] startNotifications()
- [x] stopNotifications()
### BluetoothRemoteGATTDescriptor
- [x] uuid
- [x] characteristic
- [x] value
- [x] readValue()
- [x] writeValue()
### BluetoothUUID
- [x] getService()
- [x] getCharacteristic()
- [x] getDescriptor()
- [x] canonicalUUID()
### Events
#### Bluetooth
- [ ] availabilitychanged - unsupported in adapter
#### Bluetooth Device
- [x] gattserverdisconnected
- [ ] advertisementreceived - unsupported in adapter
#### Bluetooth Service
- [x] serviceadded
- [ ] servicechanged - unsupported in adapter
- [ ] serviceremoved - unsupported in adapter
#### Bluetooth Characteristic
- [x] characteristicvaluechanged
### Other
- [x] Device selector hook
- [x] Examples
- [x] API Documentation
## Development
### Cloning
This repository uses a submodule to reference the SimpleBLE library. Clone it as follows:
```bash
git clone https://github.com/thegecko/webbluetooth
cd webbluetooth
git submodule update --init
```
### Building
To build the SimpleBLE module, bindings and TypeScriptsource, run:
``` bash
yarn build:all
```
### Testing
The tests are set up to use a BBC micro:bit in range with the following services available:
- Device Info Service (0000180a-0000-1000-8000-00805f9b34fb)
- LED Service (e95dd91d-251d-470a-a062-fa1922dfa9a8)
- Button Service (e95d9882-251d-470a-a062-fa1922dfa9a8)
Sample code and hex file for the v2 micro:bit can be found in the [firmware folder](https://github.com/thegecko/webbluetooth/tree/master/firmware).
To run the tests:
```bash
yarn test
```