249 lines
7.7 KiB
C
249 lines
7.7 KiB
C
/*
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* The Clear BSD License
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* Copyright (c) 2016, Freescale Semiconductor, Inc.
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* Copyright 2016-2017 NXP
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* All rights reserved.
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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 (subject to the limitations in the disclaimer below) provided
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* 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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* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
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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_GINT_H_
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#define _FSL_GINT_H_
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#include "fsl_common.h"
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/*!
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* @addtogroup gint_driver
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* @{
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*/
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/*! @file */
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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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#define FSL_GINT_DRIVER_VERSION (MAKE_VERSION(2, 0, 0)) /*!< Version 2.0.0. */
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/*@}*/
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/*! @brief GINT combine inputs type */
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typedef enum _gint_comb
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{
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kGINT_CombineOr = 0U, /*!< A grouped interrupt is generated when any one of the enabled inputs is active */
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kGINT_CombineAnd = 1U /*!< A grouped interrupt is generated when all enabled inputs are active */
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} gint_comb_t;
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/*! @brief GINT trigger type */
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typedef enum _gint_trig
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{
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kGINT_TrigEdge = 0U, /*!< Edge triggered based on polarity */
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kGINT_TrigLevel = 1U /*!< Level triggered based on polarity */
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} gint_trig_t;
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/* @brief GINT port type */
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typedef enum _gint_port
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{
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kGINT_Port0 = 0U,
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kGINT_Port1 = 1U,
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#if defined(FSL_FEATURE_GINT_PORT_COUNT) && (FSL_FEATURE_GINT_PORT_COUNT > 2U)
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kGINT_Port2 = 2U,
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#endif
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#if defined(FSL_FEATURE_GINT_PORT_COUNT) && (FSL_FEATURE_GINT_PORT_COUNT > 3U)
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kGINT_Port3 = 3U,
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#endif
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#if defined(FSL_FEATURE_GINT_PORT_COUNT) && (FSL_FEATURE_GINT_PORT_COUNT > 4U)
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kGINT_Port4 = 4U,
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#endif
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#if defined(FSL_FEATURE_GINT_PORT_COUNT) && (FSL_FEATURE_GINT_PORT_COUNT > 5U)
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kGINT_Port5 = 5U,
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#endif
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#if defined(FSL_FEATURE_GINT_PORT_COUNT) && (FSL_FEATURE_GINT_PORT_COUNT > 6U)
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kGINT_Port6 = 6U,
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#endif
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#if defined(FSL_FEATURE_GINT_PORT_COUNT) && (FSL_FEATURE_GINT_PORT_COUNT > 7U)
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kGINT_Port7 = 7U,
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#endif
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} gint_port_t;
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/*! @brief GINT Callback function. */
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typedef void (*gint_cb_t)(void);
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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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* @brief Initialize GINT peripheral.
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* This function initializes the GINT peripheral and enables the clock.
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*
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* @param base Base address of the GINT peripheral.
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*
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* @retval None.
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*/
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void GINT_Init(GINT_Type *base);
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/*!
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* @brief Setup GINT peripheral control parameters.
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* This function sets the control parameters of GINT peripheral.
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*
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* @param base Base address of the GINT peripheral.
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* @param comb Controls if the enabled inputs are logically ORed or ANDed for interrupt generation.
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* @param trig Controls if the enabled inputs are level or edge sensitive based on polarity.
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* @param callback This function is called when configured group interrupt is generated.
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*
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* @retval None.
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*/
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void GINT_SetCtrl(GINT_Type *base, gint_comb_t comb, gint_trig_t trig, gint_cb_t callback);
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/*!
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* @brief Get GINT peripheral control parameters.
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* This function returns the control parameters of GINT peripheral.
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*
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* @param base Base address of the GINT peripheral.
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* @param comb Pointer to store combine input value.
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* @param trig Pointer to store trigger value.
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* @param callback Pointer to store callback function.
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*
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* @retval None.
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*/
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void GINT_GetCtrl(GINT_Type *base, gint_comb_t *comb, gint_trig_t *trig, gint_cb_t *callback);
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/*!
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* @brief Configure GINT peripheral pins.
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* This function enables and controls the polarity of enabled pin(s) of a given port.
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*
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* @param base Base address of the GINT peripheral.
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* @param port Port number.
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* @param polarityMask Each bit position selects the polarity of the corresponding enabled pin.
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* 0 = The pin is active LOW. 1 = The pin is active HIGH.
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* @param enableMask Each bit position selects if the corresponding pin is enabled or not.
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* 0 = The pin is disabled. 1 = The pin is enabled.
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*
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* @retval None.
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*/
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void GINT_ConfigPins(GINT_Type *base, gint_port_t port, uint32_t polarityMask, uint32_t enableMask);
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/*!
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* @brief Get GINT peripheral pin configuration.
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* This function returns the pin configuration of a given port.
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*
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* @param base Base address of the GINT peripheral.
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* @param port Port number.
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* @param polarityMask Pointer to store the polarity mask Each bit position indicates the polarity of the corresponding
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enabled pin.
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* 0 = The pin is active LOW. 1 = The pin is active HIGH.
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* @param enableMask Pointer to store the enable mask. Each bit position indicates if the corresponding pin is enabled
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or not.
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* 0 = The pin is disabled. 1 = The pin is enabled.
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*
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* @retval None.
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*/
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void GINT_GetConfigPins(GINT_Type *base, gint_port_t port, uint32_t *polarityMask, uint32_t *enableMask);
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/*!
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* @brief Enable callback.
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* This function enables the interrupt for the selected GINT peripheral. Although the pin(s) are monitored
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* as soon as they are enabled, the callback function is not enabled until this function is called.
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*
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* @param base Base address of the GINT peripheral.
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*
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* @retval None.
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*/
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void GINT_EnableCallback(GINT_Type *base);
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/*!
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* @brief Disable callback.
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* This function disables the interrupt for the selected GINT peripheral. Although the pins are still
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* being monitored but the callback function is not called.
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*
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* @param base Base address of the peripheral.
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*
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* @retval None.
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*/
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void GINT_DisableCallback(GINT_Type *base);
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/*!
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* @brief Clear GINT status.
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* This function clears the GINT status bit.
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*
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* @param base Base address of the GINT peripheral.
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*
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* @retval None.
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*/
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static inline void GINT_ClrStatus(GINT_Type *base)
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{
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base->CTRL |= GINT_CTRL_INT_MASK;
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}
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/*!
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* @brief Get GINT status.
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* This function returns the GINT status.
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*
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* @param base Base address of the GINT peripheral.
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*
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* @retval status = 0 No group interrupt request. = 1 Group interrupt request active.
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*/
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static inline uint32_t GINT_GetStatus(GINT_Type *base)
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{
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return (base->CTRL & GINT_CTRL_INT_MASK);
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}
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/*!
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* @brief Deinitialize GINT peripheral.
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* This function disables the GINT clock.
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*
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* @param base Base address of the GINT peripheral.
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*
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* @retval None.
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*/
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void GINT_Deinit(GINT_Type *base);
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#ifdef __cplusplus
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}
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#endif
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/*@}*/
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#endif /* _FSL_GINT_H_ */
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