#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)
{
	*RCC_AHB4ENR = *RCC_AHB4ENR | (1 << 3);

	*GPIOD_MODER = *GPIOD_MODER & ~(1 << 25);
	*GPIOD_MODER = *GPIOD_MODER | (1 << 24);


    while (1) {
        	*GPIOD_ODR = *GPIOD_ODR | (1 << 12);
        	for (volatile int i = 0; i < 500000; i++);

        	*GPIOD_ODR = *GPIOD_ODR & ~(1 << 12);
        	for (volatile int i = 0; i < 500000; i++);
    }
}