arm_cortex_m4_systick.h

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#ifndef ARM_CORTEX_M4_SYSTICK_H__
#define ARM_CORTEX_M4_SYSTICK_H__
 
#include <stdint.h>
#include "err.h"


typedef enum {
    SYSTICK_CLK_SOURCE_EXTERNAL,  
    SYSTICK_CLK_SOURCE_PROCESSOR  
} SYSTICK_CLK_SOURCE_te;

typedef enum {
    SYSTICK_IT_FALSE, 
    SYSTICK_IT_TRUE   
} SYSTICK_IT_te;

typedef struct {
    SYSTICK_CLK_SOURCE_te clk_source;

    SYSTICK_IT_te interrupt;
} SYSTICK_CFG_ts;



ERR_te systick_init(SYSTICK_CFG_ts const *systick_cfg);

void systick_deinit(void);

void systick_get_def_cfg(SYSTICK_CFG_ts *systick_cfg_o);

uint32_t systick_get_ms(void);

 
#endif