nuttx/arch/arm/src/stm32h7/stm32_pm.h

123 lines
4.0 KiB
C

/****************************************************************************
* arch/arm/src/stm32h7/stm32_pm.h
*
* Copyright (C) 2018 Haltian Ltd. All rights reserved.
* Author: Juha Niskanen <juha.niskanen@haltian.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_STM32H7_STM32_PM_H
#define __ARCH_ARM_SRC_STM32H7_STM32_PM_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include "chip.h"
#include "up_internal.h"
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: stm32_pmstop
*
* Description:
* Enter STOP mode.
*
* Input Parameters:
* lpds - true: To further reduce power consumption in Stop mode, put the
* internal voltage regulator in low-power under-drive mode using
* the LPDS and LPUDS bits of the Power control register (PWR_CR1).
*
* Returned Value:
* None
*
****************************************************************************/
void stm32_pmstop(bool lpds);
/****************************************************************************
* Name: stm32_pmstandby
*
* Description:
* Enter STANDBY mode.
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
void stm32_pmstandby(void);
/****************************************************************************
* Name: stm32_pmsleep
*
* Description:
* Enter SLEEP mode.
*
* Input Parameters:
* sleeponexit - true: SLEEPONEXIT bit is set when the WFI instruction is
* executed, the MCU enters Sleep mode as soon as it
* exits the lowest priority ISR.
* - false: SLEEPONEXIT bit is cleared, the MCU enters Sleep
* mode as soon as WFI or WFE instruction is executed.
* Returned Value:
* None
*
****************************************************************************/
void stm32_pmsleep(bool sleeponexit);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_STM32H7_STM32_PM_H */