types.h

来自「一个基于ARM平台的触摸屏程序。」· C头文件 代码 · 共 33 行

#ifndef types_h
#define types_h

typedef char UINT8 ;
typedef unsigned short UINT16 ;
typedef unsigned long UINT32 ;

//-----------------------------------------------------------------------------
// BYTE Register access.
// Individual and vectorized access to 8 bit registers.
// Little-endian version
#define HAL_READ_UINT8( _register_, _value_ ) \
        ((_value_) = *((volatile char *)(_register_)))

#define HAL_WRITE_UINT8( _register_, _value_ ) \
       (*((volatile  char *)(_register_)) = (_value_))
       
#define HAL_READ_UINT16( _register_, _value_ ) \
        ((_value_) = *((volatile unsigned short *)(_register_)))

#define HAL_WRITE_UINT16( _register_, _value_ ) \
       (*((volatile  unsigned short *)(_register_)) = (_value_))
       
#define HAL_READ_UINT32( _register_, _value_ ) \
        ((_value_) = *((volatile unsigned long *)(_register_)))

#define HAL_WRITE_UINT32( _register_, _value_ ) \
        (*((volatile  unsigned long *)(_register_)) = (_value_))
        
     

#endif