/* * Copyright (c) 2016, Freescale Semiconductor, Inc. * Copyright 2016-2019, 2021 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef FSL_UTICK_H_ #define FSL_UTICK_H_ #include "fsl_common.h" /*! * @addtogroup utick * @{ */ /*! @file*/ /******************************************************************************* * Definitions ******************************************************************************/ /*! @name Driver version */ /*! @{ */ /*! @brief UTICK driver version 2.0.5. */ #define FSL_UTICK_DRIVER_VERSION (MAKE_VERSION(2, 0, 5)) /*! @} */ /*! @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_ */