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/*完整的C語言程序:*/
#include <reg52.h> //可用非常成功。
#define uchar unsigned char
#define uint unsigned int
unsigned char code table1[]={0x03,0x06,0x0c,0x09,0x09,0x0c,0x06,0x03};
//unsigned char code table2[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40}; //共陰數碼管 0~9
unsigned char code table2[17] = { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
//0、1、2、3、4、5、6、7、8、9、A、b、C、d、E、F的顯示碼
uchar table_begin;
uint maichong; //脈沖
uchar zhuansu; //轉速
uchar flag; //方向
sbit key_fuwei=P3^0; //復位鍵
sbit key_z=P3^1; //正轉鍵
sbit key_f=P3^2; //反轉鍵
sbit key_jia=P3^3; //加速鍵
sbit key_jian=P3^6; //減速鍵
sbit A1=P2^0;
sbit A2=P2^1;
sbit A3=P2^2;
sbit A4=P2^3;
void display();
void delayms(xms);
void delay(uchar x)
{
uchar i,j; //延時
for(i=0;i<x;i++)
for(j=100;j>0;j--);
}
void fuwei(void) //復位
{
flag=2;
zhuansu=0;
}
/*void Display(void) //顯示
{
unsigned char b1, b2;
b1=zhuansu/10;
b2=zhuansu%10;
if(flag == 0) //0
P0=0x71;//顯示F
else
P0=0x79;
A1=0;
delayms(3);
A1=1;
P0=0x40;
A2=0; //顯示--
delayms(3);
A2=1;
P0=table2[b1];
A3=0; //顯示十位
delayms(3);
A3=1;
P0=table2[b2];
A4=0;
delayms(3); //顯示個位
A4=1;
} */
void display()
{
uchar b1,b2,b3,b4;
if(flag==0)
P0=0x71;//顯示F
else
P0=0x79;
if(flag==1)
P0=0x7c;//顯示b
else
P0=0x71;
b1=10;
b2=0x3f;
b3=zhuansu/10;
b4=zhuansu%10;
//P0=table2;
A1=0; //P2.0
delay(1);
A1=1;
P0=b2;
A2=0; //P2.1
delay(1);
A2=1;
P0=table2[b3];
A3=0; //P2.3
delay(1);
A3=1;
P0=table2[b4];
A4=0; //P2.4
delay(1);
A4=1;
}
void key() //按鍵掃描
{
if(key_fuwei==0)
{
delay(5);
if(key_fuwei==0)
fuwei();
}
if(key_z==0)
{
delay(5);
if(key_z==0)
{
flag=0;
zhuansu=10;
while(key_z==0);
}
}
if(key_f==0)
{
delay(5);
if(key_f==0)
{
flag=1;
zhuansu=10;
while(key_f==0);
}
}
if(key_jia==0)
{
delay(5);
if(key_jia==0)
{
zhuansu++;
if(zhuansu==21)
zhuansu=20;
while(key_jia==0);
}
}
if(key_jian==0)
{
delay(5);
if(key_jian==0)
{
zhuansu--;
if(zhuansu<=0)
zhuansu=0;
while(key_jian==0);
}
}
}
void dispose() //脈沖函數
{
switch(zhuansu)
{
case 0: flag=2; break;
case 1: maichong=300; break;
case 2: maichong=295; break;
case 3: maichong=290; break;
case 4: maichong=280; break;
case 5: maichong=260; break;
case 6: maichong=240; break;
case 7: maichong=200; break;
case 8: maichong=180; break;
case 9: maichong=160; break;
case 10: maichong=120; break;
case 11: maichong=80; break;
case 12: maichong=70; break;
case 13: maichong=60; break;
case 14: maichong=40; break;
case 15: maichong=35; break;
case 16: maichong=30; break;
case 17: maichong=25; break;
case 18: maichong=20; break;
case 19: maichong=15; break;
case 20: maichong=10; break;
}
if(flag==0)
table_begin=0;
else
if(flag==1)
table_begin=4;
}
void zhuandong(void)
{
uint i,j;
if(zhuansu>0&&zhuansu<=20)
{
for(j=0+table_begin;j<4+table_begin;j++)
{
P1=table1[j];
for(i=0;i<maichong;i++)
display();
}
}
}
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