pin.h

学习嵌入式arm的资料

#ifndef _HARDER_H
#define _HARDER_H

#include "config.h"

#define SetPin(PinNum)    IOSET = (1<<PinNum)
#define ClrPin(PinNum)    IOCLR = (1<<PinNum)
#define GetPin(PinNum)    ((IOPIN>>PinNum) & 1)

extern void SetPinMode(uint8 PinNum,uint8 mode,uint8 InOrOut); 
//mode=0或1或2或3分别对应管脚的四种功能
//InOrOut=1输入 0＝输出 

#endif