#ifndef GPIO_H
#define GPIO_H

// GPIO - General Purpose Input Output for MD407
typedef struct _gpio
{
    unsigned int MODER;                     // 0x00
    union
    {
        unsigned short OTYPER;              // 0x04
        struct
        {
            unsigned char OTYPER_LOW;       // 0x04
            unsigned char OTYPER_HIGH;      // 0x05
        };
    };
    unsigned short OTYPER_RESERVED;         // 0x06
    union
    {
        unsigned int OSPEEDR;               // 0x08
        struct
        {
            unsigned short OSPEEDR_LOW;     // 0x08
            unsigned short OSPEEDR_HIGH;    // 0x0A
        };
    };
    union
    {
        unsigned int PUPDR;                 // 0x0C
        struct
        {
            unsigned short PUPDR_LOW;       // 0x0C
            unsigned short PUPDR_HIGH;      // 0x0E
        };
    };
    union
    {
        unsigned short IDR;                 // 0x10
        struct
        {
            unsigned char IDR_LOW;          // 0x10
            unsigned char IDR_HIGH;         // 0x11
        };
    };
    unsigned short IDR_RESERVED;            // 0x12
    union
    {
        unsigned short ODR;                 // 0x14
        struct
        {
            unsigned char ODR_LOW;          // 0x14
            unsigned char ODR_HIGH;         // 0x15
        };
    };
    unsigned short ODR_RESERVED;            // 0x16
    unsigned int BSSR;                      // 0x18
    unsigned int LCKR;                      // 0x1C
    unsigned int AFRL;                      // 0x20
    unsigned int AFRH;                      // 0x24
} GPIO;
#define GPIO_A (*((volatile GPIO*) 0x40020000))
#define GPIO_B (*((volatile GPIO*) 0x40020400))
#define GPIO_C (*((volatile GPIO*) 0x40020800))
#define GPIO_D (*((volatile GPIO*) 0x40020C00))
#define GPIO_E (*((volatile GPIO*) 0x40021000))

#endif