144 lines
5.3 KiB
C
144 lines
5.3 KiB
C
/************************************************************************************
|
|
* arch/arm/src/stm32/stm32_pm.h
|
|
*
|
|
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* 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_STM32_STM32_PM_H
|
|
#define __ARCH_ARM_SRC_STM32_STM32_PM_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "chip.h"
|
|
#include "up_internal.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
#ifdef __cplusplus
|
|
#define EXTERN extern "C"
|
|
extern "C"
|
|
{
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* 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 mode using the LPDS bit
|
|
* of the Power control register (PWR_CR).
|
|
*
|
|
* Returned Value:
|
|
* Zero means that the STOP was successfully entered and the system has
|
|
* been re-awakened. The internal voltage regulator is back to its
|
|
* original state. Otherwise, STOP mode did not occur and a negated
|
|
* errno value is returned to indicate the cause of the failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int stm32_pmstop(bool lpds);
|
|
|
|
/****************************************************************************
|
|
* Name: stm32_pmstandby
|
|
*
|
|
* Description:
|
|
* Enter STANDBY mode.
|
|
*
|
|
* Input Parameters:
|
|
* None
|
|
*
|
|
* Returned Value.
|
|
* On success, this function will not return (STANDBY mode can only be
|
|
* terminated with a reset event). Otherwise, STANDBY mode did not occur
|
|
* and a negated errno value is returned to indicate the cause of the
|
|
* failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int 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:
|
|
* Zero means that the STOP was successfully entered and the system has
|
|
* been re-awakened. The internal voltage regulator is back to its
|
|
* original state. Otherwise, STOP mode did not occur and a negated
|
|
* errno value is returned to indicate the cause of the failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void stm32_pmsleep(bool sleeponexit);
|
|
|
|
#undef EXTERN
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* __ARCH_ARM_SRC_STM32_STM32_PM_H */
|