stm32_lpm_if.c File Reference

Low layer function to enter/exit low power modes (stop, sleep). More...

#include "platform.h"
#include "stm32_lpm.h"
#include "stm32_lpm_if.h"
#include "usart_if.h"
#include "spi.h"
#include "rtc.h"
#include "adc.h"
#include "lora_app.h"
#include "timer_if.h"
#include "mymems.h"
#include "radio.h"
#include "mysensors_base.h"

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Functions
void	PWR_EnterOffMode (void)
	Accumulates the total time spent in STOP or SLEEP mode (in ms or ticks). Incremented each time PWR_ExitStopMode() or PWR_ExitSleepMode() is called so that the application can track duty-cycle or battery consumption.
void	PWR_ExitOffMode (void)
	Exits Low Power Off Mode.
void	PWR_EnterStopMode (void)
	Enters Low Power Stop Mode.
void	PWR_ExitStopMode (void)
	Exits Low Power Stop Mode.
void	PWR_EnterSleepMode (void)
	Enters Low Power Sleep Mode.
void	PWR_ExitSleepMode (void)
	Exits Low Power Sleep Mode.

Variables
const struct UTIL_LPM_Driver_s	UTIL_PowerDriver
	Power driver callbacks handler.

Detailed Description

Low layer function to enter/exit low power modes (stop, sleep).

Author

MCD Application Team

Attention

Copyright (c) 2026 STMicroelectronics. All rights reserved.

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Definition in file stm32_lpm_if.c.

Function Documentation

PWR_EnterOffMode()

void PWR_EnterOffMode

(

void

)

Accumulates the total time spent in STOP or SLEEP mode (in ms or ticks). Incremented each time PWR_ExitStopMode() or PWR_ExitSleepMode() is called so that the application can track duty-cycle or battery consumption.

Enters Low Power Off Mode

Definition at line 85 of file stm32_lpm_if.c.

References hadc, hrtc, MX_SPI1_DeInit(), NFC_INT_Pin, RTC_BKP_STANDBY, RTC_BKP_STANDBY_SIGN, and setBackUpRegister().

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PWR_EnterSleepMode()

void PWR_EnterSleepMode

(

void

)

Enters Low Power Sleep Mode.

Note

ARM exits the function when waking up

Definition at line 260 of file stm32_lpm_if.c.

References writeLog().

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PWR_EnterStopMode()

void PWR_EnterStopMode

(

void

)

Enters Low Power Stop Mode.

Note

ARM exists the function when waking up

Definition at line 206 of file stm32_lpm_if.c.

References MX_SPI1_DeInit(), sensorsBase_StartTimerToOff(), and writeLog().

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PWR_ExitOffMode()

void PWR_ExitOffMode

(

void

)

Exits Low Power Off Mode.

Definition at line 198 of file stm32_lpm_if.c.

PWR_ExitSleepMode()

void PWR_ExitSleepMode

(

void

)

Exits Low Power Sleep Mode.

Note

ARM exits the function when waking up

Definition at line 277 of file stm32_lpm_if.c.

References writeLog().

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PWR_ExitStopMode()

void PWR_ExitStopMode

(

void

)

Exits Low Power Stop Mode.

Note

Enable the pll at 32MHz

Definition at line 236 of file stm32_lpm_if.c.

References MX_SPI1_Init(), sensorsBase_StopTimerToOff(), SystemClock_Config(), uart_Start(), vcom_Resume(), and writeLog().

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Variable Documentation

UTIL_PowerDriver

const struct UTIL_LPM_Driver_s UTIL_PowerDriver

Initial value:

                             =
{
  PWR_EnterSleepMode,
  PWR_ExitSleepMode,
 
  PWR_EnterStopMode,
  PWR_ExitStopMode,
 
  PWR_EnterOffMode,
  PWR_ExitOffMode,
}

Power driver callbacks handler.

Definition at line 47 of file stm32_lpm_if.c.