clock_and_timers.c File Reference

Contains functions for clock system Project uses HSI without PLL. Clock is ~8Mhz for core and buses. More...

#include <stdint.h>
#include <stddef.h>
#include "stm32f0xx.h"
#include "clock_and_timers.h"

Include dependency graph for clock_and_timers.c:

Functions
void	Clock_HSI_Init (void)
	inits HSI as a main clock. PLL will not be used. Core/systick frequency is ~8Mhz
void	Systick_Init (const Systick_Callback_t CallBack)
	Inits systick timer interrupt for 1ms period.
void	SysTick_Handler (void)
void	ResetTimer (uint32_t *const Timer)
	Resets software timer.
uint8_t	IsExpiredTimer (uint32_t *const Timer, const uint32_t Timeout)
	Checks if timer timeout has expired.
uint32_t	ReadTimer (uint32_t *const Timer)
void	Reset_Main_Counter (void)

Detailed Description

Contains functions for clock system Project uses HSI without PLL. Clock is ~8Mhz for core and buses.

mikl7.nosp@m.4@ya.nosp@m.hoo.c.nosp@m.om

Version

1.00

Function Documentation

Clock_HSI_Init()

void Clock_HSI_Init

(

void

)

inits HSI as a main clock. PLL will not be used. Core/systick frequency is ~8Mhz

Referenced by main().

IsExpiredTimer()

uint8_t IsExpiredTimer	(	uint32_t *const	Timer,
		const uint32_t	Timeout )

Checks if timer timeout has expired.

Parameters

Timer	Timer variable
Timeout	Timeout value in ms

Returns

zero if timer has not expired, non-zero else

Referenced by Blink_Led(), Buttons_Get_State(), main(), and mainCyclePreRun().

ReadTimer()

uint32_t ReadTimer

(

uint32_t *const

Timer

)

Referenced by Control_Outs().

Reset_Main_Counter()

void Reset_Main_Counter

(

void

)

ResetTimer()

void ResetTimer

(

uint32_t *const

Timer

)

Resets software timer.

Parameters

Timer

timer variable

Referenced by Blink_Led(), Buttons_Get_State(), Control_Outs(), main(), and mainCyclePreRun().

SysTick_Handler()

void SysTick_Handler

(

void

)

Systick_Init()

void Systick_Init

(

const Systick_Callback_t

CallBack

)

Inits systick timer interrupt for 1ms period.

References CORE_FREQ, and SYSTICK_FREQ.

Referenced by main().