#ifndef __STM32GPIOMACROS_H__
#define __STM32GPIOMACROS_H__

#define OUTPUT(pin)  (0x01U << (pin * 2))
#define PULLUP(pin) (0x1U << (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)
#define ANALOG(pin)  (0x03 << (pin * 2))

#endif /* __STM32GPIOMACROS_H__ */