| /* |
| * Copyright (c) 2016, Freescale Semiconductor, Inc. |
| * Copyright 2016-2017 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 2.0.1. */ |
| #define FSL_UTICK_DRIVER_VERSION (MAKE_VERSION(2, 0, 1)) |
| /*@}*/ |
| |
| /*! @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_ */ |