main.c File Reference

#include <stdint.h>

Include dependency graph for main.c:

Macros
#define	PERIPH_BASE   0x40000000
#define	AHB1PERIPH_BASE   (PERIPH_BASE + 0x00020000)
#define	APB1PERIPH_BASE   (PERIPH_BASE + 0x00000000)
#define	RCC_BASE   (AHB1PERIPH_BASE + 0x3800)
#define	GPIOA_BASE   (AHB1PERIPH_BASE + 0x0000)
#define	TIM2_BASE   (APB1PERIPH_BASE + 0x0000)
#define	RCC_AHB1ENR   (*(volatile unsigned int *)(RCC_BASE + 0x30))
#define	RCC_APB1ENR   (*(volatile unsigned int *)(RCC_BASE + 0x40))
#define	GPIOA_MODER   (*(volatile unsigned int *)(GPIOA_BASE + 0x00))
#define	GPIOA_AFRL   (*(volatile unsigned int *)(GPIOA_BASE + 0x20))
#define	TIM2_PSC   (*(volatile unsigned int *)(TIM2_BASE + 0x28))
#define	TIM2_ARR   (*(volatile unsigned int *)(TIM2_BASE + 0x2C))
#define	TIM2_CCR1   (*(volatile unsigned int *)(TIM2_BASE + 0x34))
#define	TIM2_CCMR1   (*(volatile unsigned int *)(TIM2_BASE + 0x18))
#define	TIM2_CCER   (*(volatile unsigned int *)(TIM2_BASE + 0x20))
#define	TIM2_CR1   (*(volatile unsigned int *)(TIM2_BASE + 0x00))

Functions
void	pwm_pa5_init (uint32_t frequency, float duty_cycle_percent)
void	delay ()
int	main (void)
	Main entry point.

Macro Definition Documentation

AHB1PERIPH_BASE

#define AHB1PERIPH_BASE   (PERIPH_BASE + 0x00020000)

APB1PERIPH_BASE

#define APB1PERIPH_BASE   (PERIPH_BASE + 0x00000000)

GPIOA_AFRL

#define GPIOA_AFRL   (*(volatile unsigned int *)(GPIOA_BASE + 0x20))

GPIOA_BASE

#define GPIOA_BASE   (AHB1PERIPH_BASE + 0x0000)

GPIOA_MODER

#define GPIOA_MODER   (*(volatile unsigned int *)(GPIOA_BASE + 0x00))

PERIPH_BASE

#define PERIPH_BASE   0x40000000

RCC_AHB1ENR

#define RCC_AHB1ENR   (*(volatile unsigned int *)(RCC_BASE + 0x30))

RCC_APB1ENR

#define RCC_APB1ENR   (*(volatile unsigned int *)(RCC_BASE + 0x40))

RCC_BASE

#define RCC_BASE   (AHB1PERIPH_BASE + 0x3800)

TIM2_ARR

#define TIM2_ARR   (*(volatile unsigned int *)(TIM2_BASE + 0x2C))

TIM2_BASE

#define TIM2_BASE   (APB1PERIPH_BASE + 0x0000)

TIM2_CCER

#define TIM2_CCER   (*(volatile unsigned int *)(TIM2_BASE + 0x20))

TIM2_CCMR1

#define TIM2_CCMR1   (*(volatile unsigned int *)(TIM2_BASE + 0x18))

TIM2_CCR1

#define TIM2_CCR1   (*(volatile unsigned int *)(TIM2_BASE + 0x34))

TIM2_CR1

#define TIM2_CR1   (*(volatile unsigned int *)(TIM2_BASE + 0x00))

TIM2_PSC

#define TIM2_PSC   (*(volatile unsigned int *)(TIM2_BASE + 0x28))

Function Documentation

delay()

void delay

(

void

)

main()

int main

(

void

)

Main entry point.

Main application entry point.

Initializes GPIOA pin 5 as output and toggles it in an infinite loop. Typically connected to an LED (e.g., onboard LED on Nucleo boards).

pwm_pa5_init()

void pwm_pa5_init	(	uint32_t	frequency,
		float	duty_cycle_percent )