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How to wake up STM32 controller from standby?
I want to wake up my stm32 controller from standby mode by giving a rising edge on WKUP pin, but there is a problem. When I press the switch on a WKUP pin for more than 10 seconds, then and then only my controller should wake up not by just pressing and releasing the switch.
What’s the wkup pin on the stm32l0?
One of the feature of the project, is I’m trying to configure it to go into standby mode to conserve lowest power consumption if my program has been idling for some amount of time, then use WKUP pin (PA0) which is wired to a button to trigger a rising edge to wake the MCU.
How to wake stm32l073rz from Stop mode?
I am attempting to wake an STM32L073RZ from stop mode using WAKEUP_PIN_1. I’m running MbedOS 5.11.
How to wake from RTC with STM32 L0?
I’m running MbedOS 5.11. Unfortunately throughout all of the documentation (Mbed/STM) I can’t find a callback function to use. I.e. to wake from the RTC you will use the callback function: HAL_RTC_AlarmAEventCallback (RTC_HandleTypeDef *hrtc) but I cannot find an equivalent of this for WAKEUP pins.
How to wake STM32F103 by RTC using Hal libraries / registers?
I’ve started digging into STM32F103 using HAL Libraries and raw registers. It’s the first time to program at such low level. Anyway following a video I’ve successfully implemented “Standby” mode.
How to clear a wake up from standby event?
1: A wakeup event was received from the WKUP pin or from the RTC alarm (Alarm A or Alarm B), RTC Tamper event, RTC TimeStamp event or RTC Wakeup). Initially this is cleared by a system reset so that is why your first cycle is OK. But after a wake-up from standby you have to clear it manually using the CWUF bit in the PWR control register.
When does the microcontroller wake up from standby?
But second and next cycles wake up immediately after entering standby (3). When the microcontroller is in Standby mode and an RTC interrupt occurs the WUF: Wakeup flag will be set by the hardware in the PWR control/status register (Page 162).