MYDEFS.H

#ifndef _mydefs_h_

#define _mydefs_h_

//      Easier type writing:

typedef unsigned char  u8;

typedef   signed char  s8;

typedef unsigned short u16;

typedef   signed short s16;

typedef unsigned long  u32;

typedef   signed long  s32;

//       Bit access of IO bits:

struct bits {

  u8 b0:1;

  u8 b1:1;

  u8 b2:1;

  u8 b3:1;

  u8 b4:1;

  u8 b5:1;

  u8 b6:1;

  u8 b7:1;

} __attribute__((__packed__));

#define SBIT_(port,pin) ((*(volatile struct bits*)&port).b##pin)

#define  SBIT(x,y)  SBIT_(x,y)

#define AIL(x)   static x __attribute__ ((always_inline)); static x

#define NIL(x)   x __attribute__ ((noinline)); x

// volatile access (reject unwanted removing repeated access):

#define vu8(x)  (*(volatile u8*)&(x))

#define vs8(x)  (*(volatile s8*)&(x))

#define vu16(x) (*(volatile u16*)&(x))

#define vs16(x) (*(volatile s16*)&(x))

#define vu32(x) (*(volatile u32*)&(x))

#define vs32(x) (*(volatile s32*)&(x))

#endif