rt-thread/bsp/lpc54114-lite/Libraries/devices/LPC54114/drivers/fsl_utick.h

145 lines
4.4 KiB
C

/*
* 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_ */