ACDC_CLOCK.c File Reference

Implentation of clock configuration functions for STM32F103xB MCU. More...

#include "ACDC_CLOCK.h"
#include "ACDC_TIMER.h"
#include "ACDC_GPIO.h"

Macros
#define	MAX_MCO_CLK_SPEED   50000000

Functions
void	CLOCK_SetSystemClockSpeed (SystemClockSpeed SCS_x)
	Sets the SYSCLK speed, and sets the perepherals to their fastest speed available.
SystemClockSpeed	CLOCK_GetSystemClockSpeed (void)
	Retrieves the current SYSCLK.
SystemClockSpeed	CLOCK_GetAPB1ClockSpeed (void)
	Retrieves the clock speed of the APB1 Clock.
SystemClockSpeed	CLOCK_GetAPB2ClockSpeed (void)
	Retrieves the clock speed of the APB2 Clock.
SystemClockSpeed	CLOCK_GetAPB1TimerClockSpeed (void)
	Retrieves the clock speed of the APB2 Timer Clock.
void	CLOCK_SetMcoOutput (MicroClockOutput MCO_x)
	Enables the MCO output on Pin PA8 using MCO_x as the clock source.
void	CLOCK_SetADCPrescaler (ADC_Prescaler ADC_DIV_x)
	Sets the ADC's Prescaler to either 2, 4, 6, 8.
void	CLOCK_SetAPB1Prescaler (APB_Prescaler APB_DIV_x)
	Sets the Advanced Peripheral Bus 1 Prescaler to either 1, 2, 4, 8, 16.
void	CLOCK_SetAPB2Prescaler (APB_Prescaler APB_DIV_x)
	Sets the Advanced Peripheral Bus 2 Prescaler to either 1, 2, 4, 8, 16.

Detailed Description

Implentation of clock configuration functions for STM32F103xB MCU.

Author

Devin Marx

Version

0.1

Date

2023-11-3

Copyright

Copyright (c) 2023-2024

Macro Definition Documentation

MAX_MCO_CLK_SPEED

#define MAX_MCO_CLK_SPEED   50000000

Function Documentation

CLOCK_GetAPB1ClockSpeed()

SystemClockSpeed CLOCK_GetAPB1ClockSpeed

(

void

)

Retrieves the clock speed of the APB1 Clock.

Returns

System Clock Speed (Ex. SCS_72Mhz, SCS_36Mhz, ...)

CLOCK_GetAPB1TimerClockSpeed()

SystemClockSpeed CLOCK_GetAPB1TimerClockSpeed

(

void

)

Retrieves the clock speed of the APB2 Timer Clock.

Returns

System Clock Speed (Ex. SCS_72Mhz, SCS_36Mhz, ...)

CLOCK_GetAPB2ClockSpeed()

SystemClockSpeed CLOCK_GetAPB2ClockSpeed

(

void

)

Retrieves the clock speed of the APB2 Clock.

Returns

System Clock Speed (Ex. SCS_72Mhz, SCS_36Mhz, ...)

CLOCK_GetSystemClockSpeed()

SystemClockSpeed CLOCK_GetSystemClockSpeed

(

void

)

Retrieves the current SYSCLK.

Returns

System Clock Speed (Ex. SCS_72Mhz, SCS_36Mhz, ...)

CLOCK_SetADCPrescaler()

void CLOCK_SetADCPrescaler

(

ADC_Prescaler

ADC_DIV_x

)

Sets the ADC's Prescaler to either 2, 4, 6, 8.

Parameters

PRE_DIV_x

ADC Prescaler (Ex. ADC_DIV_2, ADC_DIV_4, ...)

CLOCK_SetAPB1Prescaler()

void CLOCK_SetAPB1Prescaler

(

APB_Prescaler

APB_DIV_x

)

Sets the Advanced Peripheral Bus 1 Prescaler to either 1, 2, 4, 8, 16.

Parameters

APB_DIV_x

APB1 Prescaler Divider (Ex. APB_DIV_1, APB_DIV_2, ...)

CLOCK_SetAPB2Prescaler()

void CLOCK_SetAPB2Prescaler

(

APB_Prescaler

APB_DIV_x

)

Sets the Advanced Peripheral Bus 2 Prescaler to either 1, 2, 4, 8, 16.

Parameters

APB_DIV_x

APB2 Prescaler Divider (Ex. APB_DIV_1, APB_DIV_2, ...)

CLOCK_SetMcoOutput()

void CLOCK_SetMcoOutput

(

MicroClockOutput

MCO_x

)

Enables the MCO output on Pin PA8 using MCO_x as the clock source.

Parameters

MCO_x

Clock output source (Ex. MCO_NO_CLK, MCO_SYSCLK, ...)

CLOCK_SetSystemClockSpeed()

void CLOCK_SetSystemClockSpeed

(

SystemClockSpeed

SCS_x

)

Sets the SYSCLK speed, and sets the perepherals to their fastest speed available.

Parameters

SCS_x

System Clock Speed (Ex. SCS_72Mhz, SCS_36Mhz, ...)