ra8_systick.h

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#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#include "ra8_err.h"

typedef enum : uint32_t {
  k_ra8_systick_rvr_max = 0x00FFFFFFUL, 
} ra8_systick_limit_t;

typedef enum : uint8_t {
  k_ra8_systick_clk_external = 0U, 
  k_ra8_systick_clk_cpu      = 1U, 
} ra8_systick_clock_source_t;

[[nodiscard]] ra8_err_t
ra8_systick_reload_for(uint32_t cpu_hz, uint32_t tick_hz, uint32_t* out_reload);

[[nodiscard]] ra8_err_t
ra8_systick_configure(uint32_t reload, ra8_systick_clock_source_t src, bool tick_irq);

[[nodiscard]] ra8_err_t ra8_systick_set_reload(uint32_t reload);

[[nodiscard]] uint32_t ra8_systick_current_value(void);

void ra8_dwt_cyccnt_enable(void);

void ra8_dwt_cyccnt_reset(void);

[[nodiscard]] uint32_t ra8_dwt_cyccnt_read(void);
 
#ifdef __cplusplus
}
#endif