arm_cortex_m4_systick.c File Reference

Arm Cortex-M4 SysTick driver implementation. More...

#include "arm_cortex_m4_systick.h"
#include "arm_cortex_m4.h"
#include "err.h"
#include "stm32f401re_rcc.h"

Include dependency graph for arm_cortex_m4_systick.c:

Go to the source code of this file.

Classes
struct	internal_state_s
	Internal state of the SysTick driver. More...

Functions
ERR_te	systick_init (SYSTICK_CFG_ts const *systick_cfg)
	Initializes and starts the SysTick timer.
void	systick_deinit (void)
	Deinitializes the SysTick timer.
void	systick_get_def_cfg (SYSTICK_CFG_ts *systick_cfg_o)
	Populates a configuration structure with the default SysTick settings.
uint32_t	systick_get_ms (void)
	Returns the number of milliseconds elapsed since SysTick was initialized.
void	SysTick_Handler (void)
	SysTick exception handler. Increments the millisecond counter on each 1 ms wrap.

Variables
static struct internal_state_s	internal_state
	Singleton instance of the SysTick driver internal state.

Detailed Description

Arm Cortex-M4 SysTick driver implementation.

Author

github.com/Baksi675

Version

0.1

Date

2026-02-01

Copyright

Copyright (c) 2026

Definition in file arm_cortex_m4_systick.c.

Variable Documentation

internal_state

struct internal_state_s internal_state

static

Singleton instance of the SysTick driver internal state.

Definition at line 33 of file arm_cortex_m4_systick.c.