#include "main.h"

#define RCC_AHB4ENR ((volatile uint32_t*)0x580244E0)

#define GPIOD_MODER ((volatile uint32_t*) 0x58020C00)
#define GPIOD_IDR ((volatile uint32_t*) 0x58020C10)
#define GPIOD_ODR ((volatile uint32_t*) 0x58020C14)

int main(void)
{

	// 1. prizgi uro naprave GPIOD
	// postavi bit 3 v RCC_AHB4ENR
	*RCC_AHB4ENR = *RCC_AHB4ENR | (1 << 3);
	// *RCC_AHB4ENR |= (1 << 3);

	// 2. nastavi pin PD3 na izhod
	// brisi bit 7, postavi bit 6
	*GPIOD_MODER = *GPIOD_MODER & ~(1 << 7);
	*GPIOD_MODER = *GPIOD_MODER | (1 << 6);

	// 3. nastavi izhod pina PD3 na 1 (postavljanje bita)
	*GPIOD_ODR = *GPIOD_ODR | (1 << 3);

	// 4. nastavi izhod pina PD3 na 0 (brisanje bita)
	*GPIOD_ODR = *GPIOD_ODR & ~(1 << 3);

    while (1) {
    }
}