/* * The Clear BSD License * Copyright (c) 2016, Freescale Semiconductor, Inc. * Copyright 2016-2017 NXP * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted (subject to the limitations in the disclaimer below) 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. * * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. * 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_UTICK_H_ #define _FSL_UTICK_H_ #include "fsl_common.h" /*! * @addtogroup utick * @{ */ /*! @file*/ /******************************************************************************* * Definitions ******************************************************************************/ /*! @name Driver version */ /*@{*/ /*! @brief UTICK driver version 2.0.0. */ #define FSL_UTICK_DRIVER_VERSION (MAKE_VERSION(2, 0, 0)) /*@}*/ /*! @brief UTICK timer operational mode. */ typedef enum _utick_mode { kUTICK_Onetime = 0x0U, /*!< Trigger once*/ kUTICK_Repeat = 0x1U, /*!< Trigger repeatedly */ } utick_mode_t; /*! @brief UTICK callback function. */ typedef void (*utick_callback_t)(void); /******************************************************************************* * API ******************************************************************************/ #if defined(__cplusplus) extern "C" { #endif /* _cplusplus */ /*! * @name Initialization and deinitialization * @{ */ /*! * @brief Initializes an UTICK by turning its bus clock on * */ void UTICK_Init(UTICK_Type *base); /*! * @brief Deinitializes a UTICK instance. * * This function shuts down Utick bus clock * * @param base UTICK peripheral base address. */ void UTICK_Deinit(UTICK_Type *base); /*! * @brief Get Status Flags. * * This returns the status flag * * @param base UTICK peripheral base address. * @return status register value */ uint32_t UTICK_GetStatusFlags(UTICK_Type *base); /*! * @brief Clear Status Interrupt Flags. * * This clears intr status flag * * @param base UTICK peripheral base address. * @return none */ void UTICK_ClearStatusFlags(UTICK_Type *base); /*! * @brief Starts UTICK. * * This function starts a repeat/onetime countdown with an optional callback * * @param base UTICK peripheral base address. * @param mode UTICK timer mode (ie kUTICK_onetime or kUTICK_repeat) * @param count UTICK timer mode (ie kUTICK_onetime or kUTICK_repeat) * @param cb UTICK callback (can be left as NULL if none, otherwise should be a void func(void)) * @return none */ void UTICK_SetTick(UTICK_Type *base, utick_mode_t mode, uint32_t count, utick_callback_t cb); /*! * @brief UTICK Interrupt Service Handler. * * This function handles the interrupt and refers to the callback array in the driver to callback user (as per request * in UTICK_SetTick()). * if no user callback is scheduled, the interrupt will simply be cleared. * * @param base UTICK peripheral base address. * @param cb callback scheduled for this instance of UTICK * @return none */ void UTICK_HandleIRQ(UTICK_Type *base, utick_callback_t cb); /* @} */ #if defined(__cplusplus) } #endif /*! @}*/ #endif /* _FSL_UTICK_H_ */