head.h

P18F4610的信号采集及抗抖动程序．MCC18编译器．

#define     havekey        0x01
#define     delayflag      0x02
#define     delay1         0x03
#define     delay2         0x04
#define     resetkey       0x40

//#pragma udata access i
//near unsigned int i;

#pragma udata
unsigned char key_scan,key1,key,key_temp,delay;
  //内存变量定义end
void timer0 (void);
void DI_sampling(void);