Class Sleep

Encapsulates ESP32 sleep functions.

Inheritance
Object
Sleep
Inherited Members
Namespace: nanoFramework.Hardware.Esp32
Assembly: nanoFramework.Hardware.Esp32.dll
Syntax
public class Sleep

Methods

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EnableWakeupByMultiPins(Sleep.WakeupGpioPin, Sleep.WakeupMode)

Enable wakeup using multiple pins.

Declaration
public static EspNativeError EnableWakeupByMultiPins(Sleep.WakeupGpioPin pins, Sleep.WakeupMode mode)
Parameters
Type Name Description
Sleep.WakeupGpioPin pins

Combination of pins that are enabled for wakeup.
Sleep.WakeupMode mode

Logical mode used for wakeup to occur.
Returns
Type Description
EspNativeError

Returns ESP32 native error enumeration.
Remarks

Only pins that are RTC connected.

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EnableWakeupByPin(Sleep.WakeupGpioPin, Int32)

Enable wakeup using a gpio pin.

Declaration
public static EspNativeError EnableWakeupByPin(Sleep.WakeupGpioPin pin, int level)
Parameters
Type Name Description
Sleep.WakeupGpioPin pin

GPIO number used as wakeup source. Only pins that have RTC functionality can be used. 0,2,4,12->15,25->27,32->39
Int32 level

Analog threshold at or above which pin causes wake up, or zero if pin is not active for wakeup.
Returns
Type Description
EspNativeError

Returns ESP32 native error enumeration.
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EnableWakeupByTimer(TimeSpan)

Enable Wakeup by Timer.

Declaration
public static EspNativeError EnableWakeupByTimer(TimeSpan time)
Parameters
Type Name Description
TimeSpan time

Period after which wakeup occurs.
Returns
Type Description
EspNativeError

returns ESP32 native error enumeration.
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EnableWakeupByTouchPad()

Enable wakeup by Touchpad.

Declaration
public static EspNativeError EnableWakeupByTouchPad()
Returns
Type Description
EspNativeError

Returns ESP32 native error enumeration.
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GetWakeupCause()

Get the cause for waking up.

Declaration
public static Sleep.WakeupCause GetWakeupCause()
Returns
Type Description
Sleep.WakeupCause

Returns the wakeup cause.
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GetWakeupGpioPin()

Returns a combination of pins that caused the wakeup.

Declaration
public static Sleep.WakeupGpioPin GetWakeupGpioPin()
Returns
Type Description
Sleep.WakeupGpioPin

Returns a combination of the pins that caused the wakeup.
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GetWakeupTouchpad()

Get the Touchpad which caused the wakeup.

Declaration
public static Sleep.TouchPad GetWakeupTouchpad()
Returns
Type Description
Sleep.TouchPad

Returns TouchPad number which caused the wakeup, else None.
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StartDeepSleep()

Enter deep sleep using configured wakeup sources.

Declaration
public static void StartDeepSleep()
Remarks

After a call to this method the device enters deep sleep, a wakeup source will wake the device and the execution will start as if it was a reset. After this occurs the cause can be queried using GetWakeupCause(). Keep in mind that the execution WILL NOT continue after the call to this method. This call never returns. If no wakeup sources are configured then the device enters an indefinite sleep.

See Also
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StartLightSleep()

Enter light sleep with the configured wakeup options.

Declaration
public static EspNativeError StartLightSleep()
Returns
Type Description
EspNativeError

Returns ESP32 native error enumeration, ESP_ERR_INVALID_STATE if Wifi or BT is not stopped.

Extension Methods