0201_APP/BSP/systick.c

#include "systick.h"
#include "includes.h"

void SysTick_init(void)
{
	RCC_ClocksTypeDef RCC_Clocks;
	RCC_GetClocksFreq(&RCC_Clocks);
	SysTick_Config(RCC_Clocks.SYSCLK_Frequency / OS_CFG_TICK_RATE_HZ);
//SystemCoreClock
//	SysTick->CTRL |=  SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk; 
//	NVIC_EnableIRQ(SysTick_IRQn);
}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
volatile uint32_t TickCounter;
volatile uint64_t TickCounter_u64;
void SysTick_Handler(void)
{
	OSIntEnter();
	OSTimeTick();
	OSIntExit();
	TickCounter++;
	TickCounter_u64++;
}