1.25.21.3 SHDWC_GetWakeup Function

C

uint32_t SHDWC_GetWakeup(void)

Summary

Read and clear the status register.

Description

Reads the cause of the wake-up. Since multiple wake-up events can occur before this register is read a bitmask is returned rather than a single enumerated value.

Precondition

None.

Parameters

None.

Returns

A bitmask of all wake-up events that occured since the last read of the status register.

Example

uint32_t wakeupEvents = SHDWC_GetWakeup(void);

if (wakeupEvenets & SHDW_SR_RTCWK_Msk)
{
    //Handle RTC wake-up event
}