/* * Copyright (c) 2015, Freescale Semiconductor, Inc. * Copyright 2016-2017 NXP * * 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 the copyright holder 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. */ #ifndef _FSL_LLWU_H_ #define _FSL_LLWU_H_ #include "fsl_common.h" /*! @addtogroup llwu */ /*! @{ */ /******************************************************************************* * Definitions ******************************************************************************/ /*! @name Driver version */ /*@{*/ /*! @brief LLWU driver version 2.0.1. */ #define FSL_LLWU_DRIVER_VERSION (MAKE_VERSION(2, 0, 1)) /*@}*/ /*! * @brief External input pin control modes */ typedef enum _llwu_external_pin_mode { kLLWU_ExternalPinDisable = 0U, /*!< Pin disabled as a wakeup input. */ kLLWU_ExternalPinRisingEdge = 1U, /*!< Pin enabled with the rising edge detection. */ kLLWU_ExternalPinFallingEdge = 2U, /*!< Pin enabled with the falling edge detection.*/ kLLWU_ExternalPinAnyEdge = 3U /*!< Pin enabled with any change detection. */ } llwu_external_pin_mode_t; /*! * @brief Digital filter control modes */ typedef enum _llwu_pin_filter_mode { kLLWU_PinFilterDisable = 0U, /*!< Filter disabled. */ kLLWU_PinFilterRisingEdge = 1U, /*!< Filter positive edge detection.*/ kLLWU_PinFilterFallingEdge = 2U, /*!< Filter negative edge detection.*/ kLLWU_PinFilterAnyEdge = 3U /*!< Filter any edge detection. */ } llwu_pin_filter_mode_t; #if (defined(FSL_FEATURE_LLWU_HAS_VERID) && FSL_FEATURE_LLWU_HAS_VERID) /*! * @brief IP version ID definition. */ typedef struct _llwu_version_id { uint16_t feature; /*!< A feature specification number. */ uint8_t minor; /*!< The minor version number. */ uint8_t major; /*!< The major version number. */ } llwu_version_id_t; #endif /* FSL_FEATURE_LLWU_HAS_VERID */ #if (defined(FSL_FEATURE_LLWU_HAS_PARAM) && FSL_FEATURE_LLWU_HAS_PARAM) /*! * @brief IP parameter definition. */ typedef struct _llwu_param { uint8_t filters; /*!< A number of the pin filter. */ uint8_t dmas; /*!< A number of the wakeup DMA. */ uint8_t modules; /*!< A number of the wakeup module. */ uint8_t pins; /*!< A number of the wake up pin. */ } llwu_param_t; #endif /* FSL_FEATURE_LLWU_HAS_PARAM */ #if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && FSL_FEATURE_LLWU_HAS_PIN_FILTER) /*! * @brief An external input pin filter control structure */ typedef struct _llwu_external_pin_filter_mode { uint32_t pinIndex; /*!< A pin number */ llwu_pin_filter_mode_t filterMode; /*!< Filter mode */ } llwu_external_pin_filter_mode_t; #endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ /******************************************************************************* * API ******************************************************************************/ #if defined(__cplusplus) extern "C" { #endif /*! * @name Low-Leakage Wakeup Unit Control APIs * @{ */ #if (defined(FSL_FEATURE_LLWU_HAS_VERID) && FSL_FEATURE_LLWU_HAS_VERID) /*! * @brief Gets the LLWU version ID. * * This function gets the LLWU version ID, including the major version number, * the minor version number, and the feature specification number. * * @param base LLWU peripheral base address. * @param versionId A pointer to the version ID structure. */ static inline void LLWU_GetVersionId(LLWU_Type *base, llwu_version_id_t *versionId) { *((uint32_t *)versionId) = base->VERID; } #endif /* FSL_FEATURE_LLWU_HAS_VERID */ #if (defined(FSL_FEATURE_LLWU_HAS_PARAM) && FSL_FEATURE_LLWU_HAS_PARAM) /*! * @brief Gets the LLWU parameter. * * This function gets the LLWU parameter, including a wakeup pin number, a module * number, a DMA number, and a pin filter number. * * @param base LLWU peripheral base address. * @param param A pointer to the LLWU parameter structure. */ static inline void LLWU_GetParam(LLWU_Type *base, llwu_param_t *param) { *((uint32_t *)param) = base->PARAM; } #endif /* FSL_FEATURE_LLWU_HAS_PARAM */ #if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) /*! * @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 base LLWU peripheral base address. * @param pinIndex A pin index to be enabled as an external wakeup source starting from 1. * @param pinMode A pin configuration mode defined in the llwu_external_pin_modes_t. */ void LLWU_SetExternalWakeupPinMode(LLWU_Type *base, uint32_t pinIndex, llwu_external_pin_mode_t pinMode); /*! * @brief Gets the external wakeup source flag. * * This function checks the external pin flag to detect whether the MCU is * woken up by the specific pin. * * @param base LLWU peripheral base address. * @param pinIndex A pin index, which starts from 1. * @return True if the specific pin is a wakeup source. */ bool LLWU_GetExternalWakeupPinFlag(LLWU_Type *base, uint32_t pinIndex); /*! * @brief Clears the external wakeup source flag. * * This function clears the external wakeup source flag for a specific pin. * * @param base LLWU peripheral base address. * @param pinIndex A pin index, which starts from 1. */ void LLWU_ClearExternalWakeupPinFlag(LLWU_Type *base, uint32_t pinIndex); #endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ #if (defined(FSL_FEATURE_LLWU_HAS_INTERNAL_MODULE) && FSL_FEATURE_LLWU_HAS_INTERNAL_MODULE) /*! * @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 base LLWU peripheral base address. * @param moduleIndex A module index to be enabled as an internal wakeup source starting from 1. * @param enable An enable or a disable setting */ static inline void LLWU_EnableInternalModuleInterruptWakup(LLWU_Type *base, uint32_t moduleIndex, bool enable) { if (enable) { base->ME |= 1U << moduleIndex; } else { base->ME &= ~(1U << moduleIndex); } } /*! * @brief Gets the external wakeup source flag. * * This function checks the external pin flag to detect whether the system is * woken up by the specific pin. * * @param base LLWU peripheral base address. * @param moduleIndex A module index, which starts from 1. * @return True if the specific pin is a wake up source. */ static inline bool LLWU_GetInternalWakeupModuleFlag(LLWU_Type *base, uint32_t moduleIndex) { #if (defined(FSL_FEATURE_LLWU_HAS_MF) && FSL_FEATURE_LLWU_HAS_MF) #if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32)) return (bool)(base->MF & (1U << moduleIndex)); #else return (bool)(base->MF5 & (1U << moduleIndex)); #endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */ #else #if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16)) return (bool)(base->F5 & (1U << moduleIndex)); #else #if (defined(FSL_FEATURE_LLWU_HAS_PF) && FSL_FEATURE_LLWU_HAS_PF) return (bool)(base->PF3 & (1U << moduleIndex)); #else return (bool)(base->F3 & (1U << moduleIndex)); #endif /* FSL_FEATURE_LLWU_HAS_PF */ #endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ #endif /* FSL_FEATURE_LLWU_HAS_MF */ } #endif /* FSL_FEATURE_LLWU_HAS_INTERNAL_MODULE */ #if (defined(FSL_FEATURE_LLWU_HAS_DMA_ENABLE_REG) && FSL_FEATURE_LLWU_HAS_DMA_ENABLE_REG) /*! * @brief Enables/disables the internal module DMA wakeup source. * * This function enables/disables the internal DMA that is used as a wake up source. * * @param base LLWU peripheral base address. * @param moduleIndex An internal module index which is used as a DMA request source, starting from 1. * @param enable Enable or disable the DMA request source */ static inline void LLWU_EnableInternalModuleDmaRequestWakup(LLWU_Type *base, uint32_t moduleIndex, bool enable) { if (enable) { base->DE |= 1U << moduleIndex; } else { base->DE &= ~(1U << moduleIndex); } } #endif /* FSL_FEATURE_LLWU_HAS_DMA_ENABLE_REG */ #if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && FSL_FEATURE_LLWU_HAS_PIN_FILTER) /*! * @brief Sets the pin filter configuration. * * This function sets the pin filter configuration. * * @param base LLWU peripheral base address. * @param filterIndex A pin filter index used to enable/disable the digital filter, starting from 1. * @param filterMode A filter mode configuration */ void LLWU_SetPinFilterMode(LLWU_Type *base, uint32_t filterIndex, llwu_external_pin_filter_mode_t filterMode); /*! * @brief Gets the pin filter configuration. * * This function gets the pin filter flag. * * @param base LLWU peripheral base address. * @param filterIndex A pin filter index, which starts from 1. * @return True if the flag is a source of the existing low-leakage power mode. */ bool LLWU_GetPinFilterFlag(LLWU_Type *base, uint32_t filterIndex); /*! * @brief Clears the pin filter configuration. * * This function clears the pin filter flag. * * @param base LLWU peripheral base address. * @param filterIndex A pin filter index to clear the flag, starting from 1. */ void LLWU_ClearPinFilterFlag(LLWU_Type *base, uint32_t filterIndex); #endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ #if (defined(FSL_FEATURE_LLWU_HAS_RESET_ENABLE) && FSL_FEATURE_LLWU_HAS_RESET_ENABLE) /*! * @brief Sets the reset pin mode. * * This function determines how the reset pin is used as a low leakage mode exit source. * * @param pinEnable Enable reset the pin filter * @param pinFilterEnable Specify whether the pin filter is enabled in Low-Leakage power mode. */ void LLWU_SetResetPinMode(LLWU_Type *base, bool pinEnable, bool enableInLowLeakageMode); #endif /* FSL_FEATURE_LLWU_HAS_RESET_ENABLE */ /*@}*/ #if defined(__cplusplus) } #endif /*! @}*/ #endif /* _FSL_LLWU_H_*/