321 lines
11 KiB
C
321 lines
11 KiB
C
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/*
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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* Copyright 2016-2017 NXP
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _FSL_LLWU_H_
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#define _FSL_LLWU_H_
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#include "fsl_common.h"
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/*! @addtogroup llwu */
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/*! @{ */
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/*! @name Driver version */
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/*@{*/
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/*! @brief LLWU driver version 2.0.1. */
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#define FSL_LLWU_DRIVER_VERSION (MAKE_VERSION(2, 0, 1))
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/*@}*/
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/*!
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* @brief External input pin control modes
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*/
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typedef enum _llwu_external_pin_mode
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{
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kLLWU_ExternalPinDisable = 0U, /*!< Pin disabled as a wakeup input. */
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kLLWU_ExternalPinRisingEdge = 1U, /*!< Pin enabled with the rising edge detection. */
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kLLWU_ExternalPinFallingEdge = 2U, /*!< Pin enabled with the falling edge detection.*/
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kLLWU_ExternalPinAnyEdge = 3U /*!< Pin enabled with any change detection. */
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} llwu_external_pin_mode_t;
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/*!
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* @brief Digital filter control modes
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*/
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typedef enum _llwu_pin_filter_mode
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{
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kLLWU_PinFilterDisable = 0U, /*!< Filter disabled. */
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kLLWU_PinFilterRisingEdge = 1U, /*!< Filter positive edge detection.*/
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kLLWU_PinFilterFallingEdge = 2U, /*!< Filter negative edge detection.*/
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kLLWU_PinFilterAnyEdge = 3U /*!< Filter any edge detection. */
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} llwu_pin_filter_mode_t;
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#if (defined(FSL_FEATURE_LLWU_HAS_VERID) && FSL_FEATURE_LLWU_HAS_VERID)
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/*!
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* @brief IP version ID definition.
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*/
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typedef struct _llwu_version_id
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{
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uint16_t feature; /*!< A feature specification number. */
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uint8_t minor; /*!< The minor version number. */
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uint8_t major; /*!< The major version number. */
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} llwu_version_id_t;
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#endif /* FSL_FEATURE_LLWU_HAS_VERID */
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#if (defined(FSL_FEATURE_LLWU_HAS_PARAM) && FSL_FEATURE_LLWU_HAS_PARAM)
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/*!
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* @brief IP parameter definition.
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*/
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typedef struct _llwu_param
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{
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uint8_t filters; /*!< A number of the pin filter. */
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uint8_t dmas; /*!< A number of the wakeup DMA. */
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uint8_t modules; /*!< A number of the wakeup module. */
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uint8_t pins; /*!< A number of the wake up pin. */
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} llwu_param_t;
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#endif /* FSL_FEATURE_LLWU_HAS_PARAM */
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#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && FSL_FEATURE_LLWU_HAS_PIN_FILTER)
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/*!
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* @brief An external input pin filter control structure
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*/
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typedef struct _llwu_external_pin_filter_mode
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{
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uint32_t pinIndex; /*!< A pin number */
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llwu_pin_filter_mode_t filterMode; /*!< Filter mode */
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} llwu_external_pin_filter_mode_t;
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#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
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/*******************************************************************************
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* API
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******************************************************************************/
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/*!
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* @name Low-Leakage Wakeup Unit Control APIs
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* @{
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*/
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#if (defined(FSL_FEATURE_LLWU_HAS_VERID) && FSL_FEATURE_LLWU_HAS_VERID)
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/*!
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* @brief Gets the LLWU version ID.
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*
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* This function gets the LLWU version ID, including the major version number,
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* the minor version number, and the feature specification number.
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*
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* @param base LLWU peripheral base address.
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* @param versionId A pointer to the version ID structure.
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*/
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static inline void LLWU_GetVersionId(LLWU_Type *base, llwu_version_id_t *versionId)
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{
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*((uint32_t *)versionId) = base->VERID;
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}
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#endif /* FSL_FEATURE_LLWU_HAS_VERID */
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#if (defined(FSL_FEATURE_LLWU_HAS_PARAM) && FSL_FEATURE_LLWU_HAS_PARAM)
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/*!
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* @brief Gets the LLWU parameter.
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*
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* This function gets the LLWU parameter, including a wakeup pin number, a module
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* number, a DMA number, and a pin filter number.
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*
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* @param base LLWU peripheral base address.
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* @param param A pointer to the LLWU parameter structure.
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*/
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static inline void LLWU_GetParam(LLWU_Type *base, llwu_param_t *param)
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{
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*((uint32_t *)param) = base->PARAM;
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}
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#endif /* FSL_FEATURE_LLWU_HAS_PARAM */
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#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN)
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/*!
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* @brief Sets the external input pin source mode.
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*
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* This function sets the external input pin source mode that is used
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* as a wake up source.
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*
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* @param base LLWU peripheral base address.
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* @param pinIndex A pin index to be enabled as an external wakeup source starting from 1.
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* @param pinMode A pin configuration mode defined in the llwu_external_pin_modes_t.
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*/
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void LLWU_SetExternalWakeupPinMode(LLWU_Type *base, uint32_t pinIndex, llwu_external_pin_mode_t pinMode);
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/*!
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* @brief Gets the external wakeup source flag.
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*
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* This function checks the external pin flag to detect whether the MCU is
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* woken up by the specific pin.
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*
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* @param base LLWU peripheral base address.
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* @param pinIndex A pin index, which starts from 1.
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* @return True if the specific pin is a wakeup source.
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*/
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bool LLWU_GetExternalWakeupPinFlag(LLWU_Type *base, uint32_t pinIndex);
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/*!
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* @brief Clears the external wakeup source flag.
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*
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* This function clears the external wakeup source flag for a specific pin.
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*
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* @param base LLWU peripheral base address.
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* @param pinIndex A pin index, which starts from 1.
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*/
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void LLWU_ClearExternalWakeupPinFlag(LLWU_Type *base, uint32_t pinIndex);
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#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
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#if (defined(FSL_FEATURE_LLWU_HAS_INTERNAL_MODULE) && FSL_FEATURE_LLWU_HAS_INTERNAL_MODULE)
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/*!
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* @brief Enables/disables the internal module source.
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*
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* This function enables/disables the internal module source mode that is used
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* as a wake up source.
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*
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* @param base LLWU peripheral base address.
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* @param moduleIndex A module index to be enabled as an internal wakeup source starting from 1.
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* @param enable An enable or a disable setting
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*/
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static inline void LLWU_EnableInternalModuleInterruptWakup(LLWU_Type *base, uint32_t moduleIndex, bool enable)
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{
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if (enable)
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{
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base->ME |= 1U << moduleIndex;
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}
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else
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{
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base->ME &= ~(1U << moduleIndex);
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}
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}
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/*!
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* @brief Gets the external wakeup source flag.
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*
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* This function checks the external pin flag to detect whether the system is
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* woken up by the specific pin.
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*
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* @param base LLWU peripheral base address.
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* @param moduleIndex A module index, which starts from 1.
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* @return True if the specific pin is a wake up source.
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*/
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static inline bool LLWU_GetInternalWakeupModuleFlag(LLWU_Type *base, uint32_t moduleIndex)
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{
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#if (defined(FSL_FEATURE_LLWU_HAS_MF) && FSL_FEATURE_LLWU_HAS_MF)
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#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32))
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return (bool)(base->MF & (1U << moduleIndex));
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#else
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return (bool)(base->MF5 & (1U << moduleIndex));
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#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */
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#else
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#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16))
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return (bool)(base->F5 & (1U << moduleIndex));
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#else
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#if (defined(FSL_FEATURE_LLWU_HAS_PF) && FSL_FEATURE_LLWU_HAS_PF)
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return (bool)(base->PF3 & (1U << moduleIndex));
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#else
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return (bool)(base->F3 & (1U << moduleIndex));
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#endif /* FSL_FEATURE_LLWU_HAS_PF */
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#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
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#endif /* FSL_FEATURE_LLWU_HAS_MF */
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}
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#endif /* FSL_FEATURE_LLWU_HAS_INTERNAL_MODULE */
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#if (defined(FSL_FEATURE_LLWU_HAS_DMA_ENABLE_REG) && FSL_FEATURE_LLWU_HAS_DMA_ENABLE_REG)
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/*!
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* @brief Enables/disables the internal module DMA wakeup source.
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*
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* This function enables/disables the internal DMA that is used as a wake up source.
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*
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* @param base LLWU peripheral base address.
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* @param moduleIndex An internal module index which is used as a DMA request source, starting from 1.
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* @param enable Enable or disable the DMA request source
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*/
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static inline void LLWU_EnableInternalModuleDmaRequestWakup(LLWU_Type *base, uint32_t moduleIndex, bool enable)
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{
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if (enable)
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{
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base->DE |= 1U << moduleIndex;
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}
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else
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{
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base->DE &= ~(1U << moduleIndex);
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}
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}
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#endif /* FSL_FEATURE_LLWU_HAS_DMA_ENABLE_REG */
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#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && FSL_FEATURE_LLWU_HAS_PIN_FILTER)
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/*!
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* @brief Sets the pin filter configuration.
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*
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* This function sets the pin filter configuration.
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*
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* @param base LLWU peripheral base address.
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* @param filterIndex A pin filter index used to enable/disable the digital filter, starting from 1.
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* @param filterMode A filter mode configuration
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*/
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void LLWU_SetPinFilterMode(LLWU_Type *base, uint32_t filterIndex, llwu_external_pin_filter_mode_t filterMode);
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/*!
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* @brief Gets the pin filter configuration.
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*
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* This function gets the pin filter flag.
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*
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* @param base LLWU peripheral base address.
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* @param filterIndex A pin filter index, which starts from 1.
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* @return True if the flag is a source of the existing low-leakage power mode.
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*/
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bool LLWU_GetPinFilterFlag(LLWU_Type *base, uint32_t filterIndex);
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/*!
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* @brief Clears the pin filter configuration.
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*
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* This function clears the pin filter flag.
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*
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* @param base LLWU peripheral base address.
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* @param filterIndex A pin filter index to clear the flag, starting from 1.
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*/
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void LLWU_ClearPinFilterFlag(LLWU_Type *base, uint32_t filterIndex);
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#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
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#if (defined(FSL_FEATURE_LLWU_HAS_RESET_ENABLE) && FSL_FEATURE_LLWU_HAS_RESET_ENABLE)
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/*!
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* @brief Sets the reset pin mode.
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*
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* This function determines how the reset pin is used as a low leakage mode exit source.
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*
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* @param pinEnable Enable reset the pin filter
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* @param pinFilterEnable Specify whether the pin filter is enabled in Low-Leakage power mode.
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*/
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void LLWU_SetResetPinMode(LLWU_Type *base, bool pinEnable, bool enableInLowLeakageMode);
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#endif /* FSL_FEATURE_LLWU_HAS_RESET_ENABLE */
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/*@}*/
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#if defined(__cplusplus)
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}
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#endif
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/*! @}*/
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#endif /* _FSL_LLWU_H_*/
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