145 lines
4.4 KiB
C
145 lines
4.4 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_UTICK_H_
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#define _FSL_UTICK_H_
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#include "fsl_common.h"
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/*!
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* @addtogroup utick
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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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/*! @brief UTICK driver version 2.0.0. */
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#define FSL_UTICK_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
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/*@}*/
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/*! @brief UTICK timer operational mode. */
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typedef enum _utick_mode
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{
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kUTICK_Onetime = 0x0U, /*!< Trigger once*/
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kUTICK_Repeat = 0x1U, /*!< Trigger repeatedly */
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} utick_mode_t;
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/*! @brief UTICK callback function. */
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typedef void (*utick_callback_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 /* _cplusplus */
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/*!
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* @name Initialization and deinitialization
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* @{
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*/
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/*!
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* @brief Initializes an UTICK by turning its bus clock on
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*
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*/
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void UTICK_Init(UTICK_Type *base);
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/*!
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* @brief Deinitializes a UTICK instance.
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*
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* This function shuts down Utick bus clock
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*
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* @param base UTICK peripheral base address.
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*/
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void UTICK_Deinit(UTICK_Type *base);
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/*!
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* @brief Get Status Flags.
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*
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* This returns the status flag
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*
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* @param base UTICK peripheral base address.
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* @return status register value
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*/
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uint32_t UTICK_GetStatusFlags(UTICK_Type *base);
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/*!
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* @brief Clear Status Interrupt Flags.
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*
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* This clears intr status flag
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*
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* @param base UTICK peripheral base address.
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* @return none
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*/
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void UTICK_ClearStatusFlags(UTICK_Type *base);
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/*!
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* @brief Starts UTICK.
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*
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* This function starts a repeat/onetime countdown with an optional callback
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*
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* @param base UTICK peripheral base address.
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* @param mode UTICK timer mode (ie kUTICK_onetime or kUTICK_repeat)
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* @param count UTICK timer mode (ie kUTICK_onetime or kUTICK_repeat)
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* @param cb UTICK callback (can be left as NULL if none, otherwise should be a void func(void))
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* @return none
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*/
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void UTICK_SetTick(UTICK_Type *base, utick_mode_t mode, uint32_t count, utick_callback_t cb);
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/*!
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* @brief UTICK Interrupt Service Handler.
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*
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* This function handles the interrupt and refers to the callback array in the driver to callback user (as per request
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* in UTICK_SetTick()).
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* if no user callback is scheduled, the interrupt will simply be cleared.
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*
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* @param base UTICK peripheral base address.
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* @param cb callback scheduled for this instance of UTICK
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* @return none
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*/
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void UTICK_HandleIRQ(UTICK_Type *base, utick_callback_t cb);
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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_UTICK_H_ */
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