Connection to device functions

A list of functions that connects to specific device:

• startScannerBrainBit() - function that connects BrainBit, return device object and uuid of device;;

• startScannerHeadband() - function that connects HeadBand, return device object and uuid of device;

• connectFlex() - function that connects Flex device, return device object and uuid of device;;

• connectFlexPro() - function that connects Flex Pro device, return device object and uuid of device;;

Disconnect device

A function that disconnects device from pc:

• disconnectDevice(device: BluetoothDevice) - disconnects device, get device object in function's props

Commands

Functions that control state of device:

1. getDeviceStatus(service: BluetoothDevice, uuidService: string) - get current device status

2. goIdle(service: BluetoothDevice, uuidService: string) - set device to idle state;

3. goPowerDown(service: BluetoothDevice, uuidService: string) - set device to powerdown state;

4. goSignal(service: BluetoothDevice, uuidService: string) - set device to signal state and get values from device;

   • You should connect to notifications from device to your project. For example,

   const notifyCharacteristic = await service?.getCharacteristic(changeUUID(uuid, 4)); notifyCharacteristic.startNotifications(); notifyCharacteristic.addEventListener('characteristicvaluechanged', (event) => { const resp = handleSignalNotification(event); console.log(resp); });

5. goResist(service: BluetoothDevice, uuidService: string) - set device to resist state and get values from device;