alientek_bootloader/driver/systick/drv_systick.h

#ifndef __HAL_SYSTICK_H
#define __HAL_SYSTICK_H

#include <stdint.h>

#define SYSTICK_EXT_CLOCK_1MS_CNT (SystemCoreClock / 1000)

void     drv_systick_init (void);
uint32_t get_systick_ms (void);
void     drv_delay_us (uint32_t nus);
void     drv_delay_ms (uint16_t nms);

#endif