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/*
* Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of Freescale Semiconductor, Inc. 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 HOLDER 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.
*/
#if !defined(__FSL_LLWU_HAL_H__)
#define __FSL_LLWU_HAL_H__
#include <stdint.h>
#include <stdbool.h>
#include <assert.h>
#include "fsl_device_registers.h"
#include "fsl_llwu_features.h"
/*! @addtogroup llwu_hal*/
/*! @{*/
/*! @file fsl_llwu_hal.h */
/*******************************************************************************
* Definitions
******************************************************************************/
/*! @brief External input pin control modes */
typedef enum _llwu_external_pin_modes {
kLlwuExternalPinDisabled, /* pin disabled as wakeup input */
kLlwuExternalPinRisingEdge, /* pin enabled with rising edge detection */
kLlwuExternalPinFallingEdge, /* pin enabled with falling edge detection */
kLlwuExternalPinChangeDetect /* pin enabled with any change detection */
} llwu_external_pin_modes_t;
/*! @brief Digital filter control modes */
typedef enum _llwu_filter_modes {
kLlwuFilterDisabled, /* filter disabled */
kLlwuFilterPosEdgeDetect, /* filter positive edge detection */
kLlwuFilterNegEdgeDetect, /* filter negative edge detection */
kLlwuFilterAnyEdgeDetect /* filter any edge detection */
} llwu_filter_modes_t;
/*! @brief External input pin filter control structure */
typedef struct _llwu_external_pin_filter_mode {
llwu_filter_modes_t filterMode; /* filter mode */
uint32_t pinNumber; /* pin number */
} llwu_external_pin_filter_mode_t;
/*! @brief Reset enable control structure */
typedef struct _llwu_reset_enable_mode {
bool lowLeakageMode; /* reset for Low-leakage mode */
bool digitalFilterMode; /* reset for digital filter mode */
} llwu_reset_enable_mode_t;
/*******************************************************************************
* API
******************************************************************************/
/*!
* @brief Sets the external input pin source mode.
*
* This function sets the external input pin source mode that is used
* as a wake up source.
*
* @param baseAddr Register base address of LLWU
* @param pinMode pin configuration mode defined in llwu_external_pin_modes_t
* @param pinNumber pin number specified
*/
void LLWU_HAL_SetExternalInputPinMode(uint32_t baseAddr,
llwu_external_pin_modes_t pinMode,
uint32_t pinNumber);
/*!
* @brief Gets the external input pin source mode.
*
* This function gets the external input pin source mode that is used
* as wake up source.
*
* @param baseAddr Register base address of LLWU
* @param pinNumber pin number specified
* @return pinMode pin mode defined in llwu_external_pin_modes_t
*/
llwu_external_pin_modes_t LLWU_HAL_GetExternalInputPinMode(uint32_t baseAddr,
uint32_t pinNumber);
/*!
* @brief Enables/disables the internal module source.
*
* This function enables/disables the internal module source mode that is used
* as a wake up source.
*
* @param baseAddr Register base address of LLWU
* @param moduleNumber module number specified
* @param enable enable or disable setting
*/
void LLWU_HAL_SetInternalModuleCmd(uint32_t baseAddr, uint32_t moduleNumber, bool enable);
/*!
* @brief Gets the internal module source enable setting.
*
* This function gets the internal module source enable setting that is used
* as a wake up source.
*
* @param baseAddr Register base address of LLWU
* @param moduleNumber module number specified
* @return enable enable or disable setting
*/
bool LLWU_HAL_GetInternalModuleCmd(uint32_t baseAddr, uint32_t moduleNumber);
/*!
* @brief Gets the external wakeup source flag.
*
* This function gets the external wakeup source flag for a specific pin.
*
* @param baseAddr Register base address of LLWU
* @param pinNumber pin number specified
* @return flag true if wakeup source flag set
*/
bool LLWU_HAL_GetExternalPinWakeupFlag(uint32_t baseAddr, uint32_t pinNumber);
/*!
* @brief Clears the external wakeup source flag.
*
* This function clears the external wakeup source flag for a specific pin.
*
* @param baseAddr Register base address of LLWU
* @param pinNumber pin number specified
*/
void LLWU_HAL_ClearExternalPinWakeupFlag(uint32_t baseAddr, uint32_t pinNumber);
/*!
* @brief Gets the internal module wakeup source flag.
*
* This function gets the internal module wakeup source flag for a specific module.
*
* @param baseAddr Register base address of LLWU
* @param moduleNumber module number specified
* @return flag true if wakeup flag set
*/
bool LLWU_HAL_GetInternalModuleWakeupFlag(uint32_t baseAddr, uint32_t moduleNumber);
/*!
* @brief Sets the pin filter configuration.
*
* This function sets the pin filter configuration.
*
* @param baseAddr Register base address of LLWU
* @param filterNumber filter number specified
* @param pinFilterMode filter mode configuration
*/
void LLWU_HAL_SetPinFilterMode(uint32_t baseAddr, uint32_t filterNumber,
llwu_external_pin_filter_mode_t pinFilterMode);
/*!
* @brief Gets the pin filter configuration.
*
* This function gets the pin filter configuration.
*
* @param baseAddr Register base address of LLWU
* @param filterNumber filter number specified
* @param pinFilterMode filter mode configuration
*/
void LLWU_HAL_GetPinFilterMode(uint32_t baseAddr, uint32_t filterNumber,
llwu_external_pin_filter_mode_t *pinFilterMode);
/*!
* @brief Gets the filter detect flag.
*
* This function will get the filter detect flag.
*
* @param baseAddr Register base address of LLWU
* @param filterNumber filter number specified
* @return flag true if the filter was a wakeup source
*/
bool LLWU_HAL_GetFilterDetectFlag(uint32_t baseAddr, uint32_t filterNumber);
/*!
* @brief Clears the filter detect flag.
*
* This function will clear the filter detect flag.
*
* @param baseAddr Register base address of LLWU
* @param filterNumber filter number specified
*/
void LLWU_HAL_ClearFilterDetectFlag(uint32_t baseAddr, uint32_t filterNumber);
#if FSL_FEATURE_LLWU_HAS_RESET_ENABLE
/*!
* @brief Sets the reset enable mode.
*
* This function will set the reset enable mode.
*
* @param baseAddr Register base address of LLWU
* @param resetEnableMode reset enable mode defined in llwu_reset_enable_mode_t
*/
void LLWU_HAL_SetResetEnableMode(uint32_t baseAddr, llwu_reset_enable_mode_t resetEnableMode);
/*!
* @brief Gets the reset enable mode.
*
* This function gets the reset enable mode.
*
* @param baseAddr Register base address of LLWU
* @param resetEnableMode reset enable mode defined in llwu_reset_enable_mode_t
*/
void LLWU_HAL_GetResetEnableMode(uint32_t baseAddr, llwu_reset_enable_mode_t *resetEnableMode);
#endif
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus*/
/*! @name Low-Leakage Wakeup Unit Control APIs*/
/*@{*/
/*@}*/
#if defined(__cplusplus)
}
#endif /* __cplusplus*/
/*! @}*/
#endif /* __FSL_LLWU_HAL_H__*/
/*******************************************************************************
* EOF
******************************************************************************/
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