timer.h

来自「AT91RM9200-UC/OS-II,clock,irq,usart,pio等」· C头文件 代码 · 共 32 行

#ifndef _TIMER_H
#define _TIMER_H


#define AT91C_TC_TCCLKS_MCK2		(0x0<<0)
#define AT91C_TC_TCCLKS_MCK8		(0x1<<0)
#define AT91C_TC_TCCLKS_MCK32		(0x2<<0)
#define AT91C_TC_TCCLKS_MCK128		(0x3<<0)
#define AT91C_TC_TCCLKS_SCLK		(0x4<<0)
#define AT91C_TC_TCCLKS_XC0			(0x5<<0)
#define AT91C_TC_TCCLKS_XC1			(0x6<<0)
#define AT91C_TC_TCCLKS_XC2			(0x7<<0)

#define TC_CNT 6			//定时器个数

#define TIMER_TICKS_PER_SEC	1000	//1秒种的分化值，1ms

typedef struct
{
	int Id;				//该定时器的ID，目前用该外设的中断号
	int dly;			//该定时器的定时周期，最小单位1ms
	AT91PS_TC pTCBASE;	//对应外设的基地址
	PFNCT tc_handling;	//对应外设的中断处理程序
}TC;


void SetTcPMC(TC *pTc);
void TC_init(TC tc);
void AT91F_TC_HANDLING(int tc_base,int tc_vector);


#endif