timer.h

在AT91sam7SE上

//Timer.h

#ifndef		_TIMER_H_
#define		_TIMER_H_

	#include	"type.h"
	#include	"board.h"


	#define 	TC_CLKS_MCK2   			(0x0)
	#define 	TC_CLKS_MCK8   			(0x1)
	#define 	TC_CLKS_MCK32  			(0x2)
	#define 	TC_CLKS_MCK128 			(0x3)
	#define 	TC_CLKS_MCK1024			(0x4)
	
	#if(TC_DIV == 2)
		#define	TC_CLKS		TC_CLKS_MCK2
	#elif(TC_DIV == 8)
		#define	TC_CLKS		TC_CLKS_MCK8
	#elif(TC_DIV == 32)
		#define	TC_CLKS		TC_CLKS_MCK32
	#elif(TC_DIV == 128)
		#define	TC_CLKS		TC_CLKS_MCK128
	#elif(TC_DIV == 1024)
		#define	TC_CLKS		TC_CLKS_MCK1024
	#else
		#error	TC_CLKS unascertainable.
	#endif
	


	#define 	TIMER_INTERRUPT_LEVEL	1
	#define		TIMER_INIT_FREQ			(10)
	
	
	VOID	TimerInit (CALL_BACK pHandler);
	VOID	TimerIrqHandler(VOID);
	VOID 	TimerPlay(VOID);
	VOID 	TimerStop(VOID);
	VOID	TimerClrIf(VOID);
	VOID	TimerSetFreq(UINT uiFreq);
	
#endif		//_TIMER_H_