#include <stm32f0xx.h>
#include "BME680_driver/bme680.h"

unsigned int i = 0x12345678;
unsigned char c = 2;

#define OUTPUT(pin)  (0x01 << (pin * 2))
#define ALTFUNC(pin) ((0x2) << (pin * 2))
#define PINMASK(pin) ((0x3) << (pin * 2))
#define SETAF(PORT,PIN,AF)  PORT->AFR[(PIN < 8 ? 0 : 1)] |= AF << ((PIN < 8 ? PIN : (PIN - 8)) * 4)


int main(void) {
	RCC->AHBENR |= RCC_AHBENR_GPIOFEN;
	GPIOF->MODER |= OUTPUT(0);
	GPIOF->ODR |= (1<<0);

	SysTick_Config(800000);
	while(1) {
		i++;
	}
}

void SysTick_Handler(void) {
	/* Blink bad air LED */
	GPIOF->ODR ^= (1<<0);
}