forked from Elara6331/infinitime
Allow multiple call notification responses and improve error handling
This commit is contained in:
parent
d96dae1f13
commit
0a3ed67ede
101
infinitime.go
101
infinitime.go
@ -42,13 +42,19 @@ type Device struct {
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heartRateChar *gatt.GattCharacteristic1
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fsVersionChar *gatt.GattCharacteristic1
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fsTransferChar *gatt.GattCharacteristic1
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notifEventCh chan uint8
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notifEventDone bool
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onReconnect func()
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Music MusicCtrl
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DFU DFU
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}
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var ErrNoDevices = errors.New("no InfiniTime devices found")
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var ErrNotFound = errors.New("could not find any advertising InfiniTime devices")
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var (
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ErrNoDevices = errors.New("no InfiniTime devices found")
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ErrNotFound = errors.New("could not find any advertising InfiniTime devices")
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ErrNotConnected = errors.New("not connected")
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ErrCharNotAvail = errors.New("required characteristic is not available")
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)
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type Options struct {
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AttemptReconnect bool
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@ -332,8 +338,8 @@ func (i *Device) Address() string {
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// Version returns InfiniTime's reported firmware version string
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func (i *Device) Version() (string, error) {
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if !i.device.Properties.Connected {
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return "", nil
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if err := i.checkStatus(i.fwVersionChar); err != nil {
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return "", err
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}
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ver, err := i.fwVersionChar.ReadValue(nil)
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return string(ver), err
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@ -341,8 +347,8 @@ func (i *Device) Version() (string, error) {
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// BatteryLevel gets the watch's battery level via the Battery Service
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func (i *Device) BatteryLevel() (uint8, error) {
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if !i.device.Properties.Connected {
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return 0, nil
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if err := i.checkStatus(i.battLevelChar); err != nil {
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return 0, err
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}
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battLevel, err := i.battLevelChar.ReadValue(nil)
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if err != nil {
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@ -352,8 +358,8 @@ func (i *Device) BatteryLevel() (uint8, error) {
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}
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func (i *Device) StepCount() (uint32, error) {
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if !i.device.Properties.Connected {
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return 0, nil
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if err := i.checkStatus(i.stepCountChar); err != nil {
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return 0, err
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}
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stepCountData, err := i.stepCountChar.ReadValue(nil)
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if err != nil {
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@ -370,8 +376,8 @@ type MotionValues struct {
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func (i *Device) Motion() (MotionValues, error) {
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out := MotionValues{}
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if !i.device.Properties.Connected {
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return out, nil
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if err := i.checkStatus(i.motionValChar); err != nil {
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return out, err
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}
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motionVals, err := i.motionValChar.ReadValue(nil)
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if err != nil {
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@ -386,8 +392,8 @@ func (i *Device) Motion() (MotionValues, error) {
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}
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func (i *Device) HeartRate() (uint8, error) {
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if !i.device.Properties.Connected {
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return 0, nil
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if err := i.checkStatus(i.heartRateChar); err != nil {
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return 0, err
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}
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heartRate, err := i.heartRateChar.ReadValue(nil)
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if err != nil {
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@ -397,8 +403,8 @@ func (i *Device) HeartRate() (uint8, error) {
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}
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func (i *Device) WatchHeartRate() (<-chan uint8, func(), error) {
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if !i.device.Properties.Connected {
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return make(<-chan uint8), nil, nil
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if err := i.checkStatus(i.heartRateChar); err != nil {
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return nil, nil, err
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}
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// Start notifications on heart rate characteristic
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err := i.heartRateChar.StartNotify()
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@ -439,8 +445,8 @@ func (i *Device) WatchHeartRate() (<-chan uint8, func(), error) {
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}
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func (i *Device) WatchBatteryLevel() (<-chan uint8, func(), error) {
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if !i.device.Properties.Connected {
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return make(<-chan uint8), nil, nil
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if err := i.checkStatus(i.battLevelChar); err != nil {
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return nil, nil, err
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}
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// Start notifications on heart rate characteristic
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err := i.battLevelChar.StartNotify()
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@ -481,8 +487,8 @@ func (i *Device) WatchBatteryLevel() (<-chan uint8, func(), error) {
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}
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func (i *Device) WatchStepCount() (<-chan uint32, func(), error) {
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if !i.device.Properties.Connected {
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return make(<-chan uint32), nil, nil
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if err := i.checkStatus(i.stepCountChar); err != nil {
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return nil, nil, err
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}
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// Start notifications on step count characteristic
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err := i.stepCountChar.StartNotify()
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@ -523,8 +529,8 @@ func (i *Device) WatchStepCount() (<-chan uint32, func(), error) {
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}
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func (i *Device) WatchMotion() (<-chan MotionValues, func(), error) {
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if !i.device.Properties.Connected {
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return make(<-chan MotionValues), nil, nil
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if err := i.checkStatus(i.motionValChar); err != nil {
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return nil, nil, err
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}
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// Start notifications on motion characteristic
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err := i.motionValChar.StartNotify()
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@ -576,8 +582,8 @@ func cancelFunc() (func(), chan struct{}) {
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// SetTime sets the watch's time using the Current Time Service
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func (i *Device) SetTime(t time.Time) error {
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if !i.device.Properties.Connected {
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return nil
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if err := i.checkStatus(i.currentTimeChar); err != nil {
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return err
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}
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buf := &bytes.Buffer{}
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binary.Write(buf, binary.LittleEndian, uint16(t.Year()))
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@ -595,8 +601,8 @@ func (i *Device) SetTime(t time.Time) error {
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// Notify sends a notification to InfiniTime via
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// the Alert Notification Service (ANS)
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func (i *Device) Notify(title, body string) error {
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if !i.device.Properties.Connected {
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return nil
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if err := i.checkStatus(i.newAlertChar); err != nil {
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return err
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}
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return i.newAlertChar.WriteValue(
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append([]byte{0x00, 0x01, 0x00}, []byte(title+"\x00"+body)...),
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@ -612,11 +618,10 @@ const (
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)
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// NotifyCall sends a call notification to the PineTime and returns a channel.
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// This channel will contain the user's response to the call notification. It
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// can only contain one value.
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// This channel will contain the user's response to the call notification.
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func (i *Device) NotifyCall(from string) (<-chan uint8, error) {
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if !i.device.Properties.Connected {
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return make(<-chan uint8), nil
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if err := i.checkStatus(i.newAlertChar); err != nil {
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return nil, err
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}
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// Write call notification to new alert characteristic
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err := i.newAlertChar.WriteValue(
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@ -626,33 +631,59 @@ func (i *Device) NotifyCall(from string) (<-chan uint8, error) {
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if err != nil {
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return nil, err
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}
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// Start notifications on notification event characteristic
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err = i.notifEventChar.StartNotify()
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if !i.notifEventDone {
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err = i.initNotifEvent()
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if err != nil {
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return nil, err
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}
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i.notifEventDone = true
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}
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return i.notifEventCh, nil
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}
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// initNotifEvent initializes the notification event channel
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func (i *Device) initNotifEvent() error {
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// Start notifications on notification event characteristic
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err := i.notifEventChar.StartNotify()
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if err != nil {
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return err
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}
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// Watch properties of notification event characteristic
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ch, err := i.notifEventChar.WatchProperties()
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if err != nil {
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return nil, err
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return err
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}
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// Create new output channel for status
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out := make(chan uint8, 1)
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i.notifEventCh = make(chan uint8, 1)
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go func() {
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// For every event
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for event := range ch {
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// If value changed
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if event.Name == "Value" {
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// Send status to channel
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out <- uint8(event.Value.([]byte)[0])
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return
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i.notifEventCh <- uint8(event.Value.([]byte)[0])
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}
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}
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}()
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return out, nil
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return nil
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}
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// FS creates and returns a new filesystem from the device
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func (i *Device) FS() (*blefs.FS, error) {
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if err := i.checkStatus(i.currentTimeChar); err != nil {
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return nil, err
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}
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return blefs.New(i.fsTransferChar)
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}
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func (i *Device) checkStatus(char *gatt.GattCharacteristic1) error {
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if !i.device.Properties.Connected {
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return ErrNotConnected
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}
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if char == nil {
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return ErrCharNotAvail
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}
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return nil
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}
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