/** @file afio_regs.h
 * Module defining the AFIO registers.
 *
 * Mainly made to be used by the afio module. It is recommanded to go through
 * the functions provided by that module instead of directly using the registers
 * defined here.
 */

#ifndef _AFIO_REGS_H_
#define _AFIO_REGS_H_

//--includes--------------------------------------------------------------------

#include "stdint.h"


//--type definitions------------------------------------------------------------

#define AFIO_BASE_ADDRESS 0x40010000

union EVCR {
	struct __attribute__((packed)) {
		uint32_t PIN:4;
		uint32_t PORT:3;
		uint32_t EVOE:1;
		uint32_t reserved1:24;
	};
	uint32_t word;
};

union MAPR {
	struct __attribute__((packed)) {
		uint32_t SPI1_REMAP:1;
		uint32_t I2C1_REMAP:1;
		uint32_t USART1_REMAP:1;
		uint32_t USART2_REMAP:1;
		uint32_t USART3_REMAP:2;
		uint32_t TIM1_REMAP:2;
		uint32_t TIM2_REMAP:2;
		uint32_t TIM3_REMAP:2;
		uint32_t TIM4_REMAP:1;
		uint32_t CAN_REMAP:2;
		uint32_t PD01_REMAP:1;
		uint32_t TIM5CH4_REMAP:1;
		uint32_t ADC1_ETRGINJ_REMAP:1;
		uint32_t ADC1_ETRGREG_REMAP:1;
		uint32_t ADC2_ETRGINJ_REMAP:1;
		uint32_t ADC2_ETRGREG_REMAP:1;
		uint32_t reserved1:3;
		uint32_t SWJ_CFG:3;
		uint32_t reserved2:5;
	};
	uint32_t word;
};

union EXTICR1 {
	struct __attribute__((packed)) {
		uint32_t EXTI0:4;
		uint32_t EXTI1:4;
		uint32_t EXTI2:4;
		uint32_t EXTI3:4;
		uint32_t reserved1:16;
	};
	uint32_t word;
};

union EXTICR2 {
	struct __attribute__((packed)) {
		uint32_t EXTI4:4;
		uint32_t EXTI5:4;
		uint32_t EXTI6:4;
		uint32_t EXTI7:4;
		uint32_t reserved1:16;
	};
	uint32_t word;
};

union EXTICR3 {
	struct __attribute__((packed)) {
		uint32_t EXTI8:4;
		uint32_t EXTI9:4;
		uint32_t EXTI10:4;
		uint32_t EXTI11:4;
		uint32_t reserved1:16;
	};
	uint32_t word;
};

union EXTICR4 {
	struct __attribute__((packed)) {
		uint32_t EXTI12:4;
		uint32_t EXTI13:4;
		uint32_t EXTI14:4;
		uint32_t EXTI15:4;
		uint32_t reserved1:16;
	};
	uint32_t word;
};

union MAPR2 {
	struct __attribute__((packed)) {
		uint32_t reserved1:5;
		uint32_t TIM9_REMAP:1;
		uint32_t TIM10_REMAP:1;
		uint32_t TIM11_REMAP:1;
		uint32_t TIM13_REMAP:1;
		uint32_t TIM14_REMAP:1;
		uint32_t FSMC_NADV:1;
		uint32_t reserved2:21;
	};
	uint32_t word;
};

struct __attribute__((packed)) AFIO {
	union EVCR EVCR;
	union MAPR MAPR;
	union EXTICR1 EXTICR1;
	union EXTICR2 EXTICR2;
	union EXTICR3 EXTICR3;
	union EXTICR4 EXTICR4;
	union MAPR2 MAPR2;
};

#endif //_AFIO_REGS_H_