func enable(s Sender, t Type, delay time.Duration) error {
channels.Lock()
defer channels.Unlock()
if channels.done[t] != nil {
return fmt.Errorf("sensor: cannot enable; %v sensor is already enabled", t)
}
channels.done[t] = make(chan struct{})
if delay < minDelay {
delay = minDelay
}
interval := C.float(float64(delay) / float64(time.Second))
switch t {
case Accelerometer:
C.GoIOS_startAccelerometer(interval)
case Gyroscope:
C.GoIOS_startGyro(interval)
case Magnetometer:
C.GoIOS_startMagneto(interval)
}
go pollSensor(s, t, delay, channels.done[t])
return nil
}
func (m *manager) enable(s sender, t Type, delay time.Duration) error {
// TODO(jbd): If delay is smaller than 10 milliseconds, set it to
// 10 milliseconds. It is highest frequency iOS SDK suppports and
// we don't want to have time.Tick durations smaller than this value.
mu.Lock()
mu.Unlock()
switch t {
case Accelerometer:
if doneA != nil {
return fmt.Errorf("sensor: cannot enable; %v sensor is already enabled", t)
}
// TODO(jbd): Check if acceloremeter is available.
C.GoIOS_startAccelerometer(m.m)
m.startAccelometer(s, delay)
doneA = make(chan struct{})
case Gyroscope:
case Magnetometer:
default:
return fmt.Errorf("sensor: unknown sensor type: %v", t)
}
return nil
}
func (m *manager) enable(s Sender, t Type, delay time.Duration) error {
// TODO(jbd): If delay is smaller than 10 milliseconds, set it to
// 10 milliseconds. It is highest frequency iOS SDK suppports and
// we don't want to have time.Tick durations smaller than this value.
channels.Lock()
defer channels.Unlock()
switch t {
case Accelerometer:
if channels.acceleroDone != nil {
return fmt.Errorf("sensor: cannot enable; %v sensor is already enabled", t)
}
// TODO(jbd): Check if accelerometer is available.
interval := float64(delay) / float64(time.Second)
C.GoIOS_startAccelerometer(C.float(interval))
channels.acceleroDone = make(chan struct{})
go m.runAccelerometer(s, delay, channels.acceleroDone)
case Gyroscope:
case Magnetometer:
default:
return fmt.Errorf("sensor: unknown sensor type: %v", t)
}
return nil
}