#include <REGX52.H>
#include "Delay2.h"
#include "key.h"
#include "Nixie.h"
#include "Timer0.h"
sbit LED=P2^0;
unsigned char Counter,Compare;
unsigned char KeyNum;
unsigned char Speed;
void main(){
Timer0_Init();
Compare=50;
while(1){
Key_Loop();
KeyNum=key();
if(KeyNum==1){
Speed++;
Speed%=4;
}
Nixie_Loop();
Nixie_Scan(1,Speed);
}
}
void Timer0_Routine() interrupt 1{
TL0=0x9C; //设定定时始值
TH0=0xFF; //设定定时初值
Counter++;
Counter%=100;
if(Counter<Compare)LED=0;
else LED=1;
}
下面是函数
#include <REGX52.H>
#include "Delay.h"
unsigned char Nixie_Buf[9]={0,10,10,10,10,10,10,10,10};
unsigned char Nixietable[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x00};
void Nixie_Scan (unsigned char location,unsigned char num){
switch(location){
case 1:P2_4=1,P2_3=1,P2_2=1;break;
case 2:P2_4=1,P2_3=1,P2_2=0;break;//led7
case 3:P2_4=1,P2_3=0,P2_2=1;break;//led6
case 4:P2_4=1,P2_3=0,P2_2=0;break;//led5
case 5:P2_4=0,P2_3=1,P2_2=1;break;//led4
case 6:P2_4=0,P2_3=1,P2_2=0;break;//led3
case 7:P2_4=0,P2_3=0,P2_2=1;break;//led2
case 8:P2_4=0,P2_3=0,P2_2=0;break;
}
P0=Nixietable[num];
Delay(1);
P0=0x00;
}
void Nixie_Loop(){
static unsigned char i=0;
Nixie_Scan(i,Nixie_Buf[i]);
i++;
if(i>8)i=0;
}
void Nixie_SetBuf(unsigned char location,number){
Nixie_Buf[location]=number;
}
下面是.h文件
#ifndef __NIXIE_H__
#define __NIXIE_H__
void Nixie_Scan (unsigned char location,num);
void Nixie_Loop();
void Nixie_SetBuf(unsigned char location,number);
#endif
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