#ifdef OS_CPU_GLOBALS
#define OS_CPU_EXT
#else
#define OS_CPU_EXT extern
#endif

/*
********************************************************
*                    定義數據類型
*                  （與編譯器相關）
********************************************************
*/
typedef unsigned char	BOOLEAN;
typedef unsigned char	INT8U;
typedef signed char		INT8S;
typedef unsigned int	INT16U;
typedef signed int		INT16S;
typedef unsigned long	INT32U;
typedef signed long		INT32S;
typedef float			FP32;
typedef double			FP64;

typedef unsigned int	OS_STK;

/*
********************************************************
*                  與處理器相關的代碼
********************************************************
*/
#define OS_ENTER_CRITICAL()	asm("INT OFF \n\t")					/*關中斷*/
#define OS_EXIT_CRITICAL()	asm("INT FIQ \n\t" "INT IRQ \n\t")	/*開中斷*/

#define OS_TASK_SW()	OSCtxSw()

#define OS_STK_GROWTH	1  /*置1，堆棧從(高地址)往(低地址)；置0，堆棧從(低地址)往(高地址)*/