#ifndef _STM32F411_H_
#define _STM32F411_H_

/* (todo) boundary check?  */
#define _MMIO_(base, offset) ((volatile unsigned int * const) (base + offset))


/*  AHB1  -------------------------------------------------------------------  */

#define RCC 0x40023800
#define RCC_AHB1ENR _MMIO_ (RCC, 0x30)

#define GPIOC 0x40020800
#define GPIOC_MODER _MMIO_ (GPIOC, 0x00)
#define GPIOC_ODR _MMIO_ (GPIOC, 0x14)


/*  APB2  -------------------------------------------------------------------  */

#define USART 0x40011000 /* USART1  */
#define USART_SR _MMIO_ (USART, 0x00)
#define USART_DR _MMIO_ (USART, 0x04)
#define USART_BRR _MMIO_ (USART, 0x08)
#define USART_CR1 _MMIO_ (USART, 0x0c)
#define USART_CR2 _MMIO_ (USART, 0x10)
#define USART_CR3 _MMIO_ (USART, 0x14)
#define USART_GTPR _MMIO_ (USART, 0x18)


#endif /* _STM32F411_H_  */