app_systick.h
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/**
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****************************************************************************************
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*
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* @file app_systick.h
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* @author BLE Driver Team
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* @brief Header file containing functions prototypes of systick app library.
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*
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****************************************************************************************
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* @attention
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#####Copyright (c) 2019 GOODIX
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of GOODIX nor the names of its contributors may be used
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to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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****************************************************************************************
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*/
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/** @addtogroup PERIPHERAL Peripheral Driver
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* @{
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*/
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/** @addtogroup APP_DRIVER APP DRIVER
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* @{
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*/
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/** @defgroup APP_SYSTICK SYSTICK
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* @brief SYSTICK APP module driver.
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* @{
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*/
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#ifndef _APP_SYSTICK_H_
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#define _APP_SYSTICK_H_
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#include <stdint.h>
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup APP_SYSTICK_DRIVER_FUNCTIONS Functions
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* @{
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*/
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/**
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****************************************************************************************
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* @brief This function configures time base source, NVIC and Low level hardware.
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*
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* @note This function is called at the beginning of program after reset and before
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* the clock configuration.
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* The Systick configuration is based on AHB clock and the NVIC configuration
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* is set to Priority group 4.
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* The time base configuration is done, time base tick starts incrementing.
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* In the default implementation, Systick is used as source of time base.
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* The tick variable is incremented each 1ms in its ISR.
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*
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****************************************************************************************
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*/
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void
app_systick_init
(
void
);
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/**
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****************************************************************************************
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* @brief This function de-Initializes common part of the HAL and stops the source
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* of time base.
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*
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* @note This function is optional.
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*
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****************************************************************************************
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*/
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void
app_systick_deinit
(
void
);
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/** @} */
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#endif
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/** @} */
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/** @} */
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/** @} */
app_systick_deinit
void app_systick_deinit(void)
This function de-Initializes common part of the HAL and stops the source of time base.
app_systick_init
void app_systick_init(void)
This function configures time base source, NVIC and Low level hardware.