100 lines
1.9 KiB
C
100 lines
1.9 KiB
C
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/**
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* @copyright 2015 Indie Semiconductor.
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*
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* This file is proprietary to Indie Semiconductor.
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* All rights reserved. Reproduction or distribution, in whole
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* or in part, is forbidden except by express written permission
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* of Indie Semiconductor.
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*
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* @file systick_sfrs.h
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*/
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#ifndef SYSTICK_SFRS_H__
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#define SYSTICK_SFRS_H__
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#include <stdint.h>
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#include <core_cm0.h>
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/**
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* @brief Enable SysTick timer.
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*/
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static __INLINE void f_SYSTICK_Enable(void)
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{
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SysTick->CTRL |= (SysTick_CTRL_ENABLE_Msk | SysTick_CTRL_CLKSOURCE_Msk);
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}
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/**
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* @brief Disable SysTick timer.
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*/
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static __INLINE void f_SYSTICK_Disable(void)
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{
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SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
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}
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/**
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* @brief Check if SysTick timer enable.
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*
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* @return 0 if disable.
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*/
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static __INLINE uint8_t f_SYSTICK_IsEnabled(void)
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{
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return (uint8_t)(SysTick->CTRL & SysTick_CTRL_ENABLE_Msk);
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}
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/**
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* @brief Enable SysTick timer interrupt.
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*/
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static __INLINE void f_SYSTICK_IntEnable(void)
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{
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SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk;
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}
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/**
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* @brief Disable SysTick timer interrupt.
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*/
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static __INLINE void f_SYSTICK_IntDisable(void)
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{
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SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
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}
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/**
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* @brief Set Reload value of SysTick timer.
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*
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* @param ticks The tick number to be set.
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*/
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static __INLINE void f_SYSTICK_SetLoad(uint32_t ticks)
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{
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SysTick->LOAD = ticks;
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}
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/**
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* @brief Set counter value of SysTick timer.
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*
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* @param ticks The tick number to be set.
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*/
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static __INLINE void f_SYSTICK_SetCount(uint32_t ticks)
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{
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SysTick->VAL = ticks;
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}
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/**
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* @brief Get counter value of SysTick timer.
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*
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* @return The current counter of Systick timer.
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*/
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static __INLINE uint32_t f_SYSTICK_GetCount(void)
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{
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return SysTick->VAL;
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}
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/**
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* @brief Get load value of SysTick timer.
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*
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* @return The load setting of Systick timer.
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*/
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static __INLINE uint32_t f_SYSTICK_GetLoad(void)
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{
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return SysTick->LOAD;
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}
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#endif /* __SYSTICK_SFRS_H__ */
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