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標(biāo)題: 51單片機(jī)秒表程序到F進(jìn)位怎么改？ [打印本頁]

作者: 麗澤苑123 時(shí)間: 2018-12-21 15:50
標(biāo)題: 51單片機(jī)秒表程序到F進(jìn)位怎么改？
主體是秒表，但是要求不是到9進(jìn)位，要求到F進(jìn)位，采用四位數(shù)碼管共陽，每個(gè)都是到F進(jìn)位。我把我原來的代碼發(fā)出來，求大神改一改�。。。�！非常急，就一小時(shí)了。

#include <reg52.h>

sbit w1=P1^0;
sbit w2=P1^1;
sbit w3=P1^2;
sbit w4=P1^3;
sbit s1=P1^4;
sbit s2=P1^5;

unsigned char high;
unsigned char low;
unsigned char code led[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E};          //共陽極數(shù)碼管0~9
unsigned int sec=0;
unsigned char a = 1;
unsigned char count = 0;

void main ()
{

      TMOD=0x01;
      EA=1;    //中斷總開關(guān)
      TR0=1;          //定時(shí)器的運(yùn)行開關(guān)
      ET0=1;             //定時(shí)器的中斷開關(guān)
      TH0=(65536-1000)>>8;          //定時(shí)器高8位寄存器
TL0=(65536-1000)&0x00FF;       //定時(shí)器低8位寄存器

      while (1);
}

void LEDscan()
{
   static unsigned char i=0;

      P0=0xFF;    //熄滅燈
      switch(i)
      {
         case 0:w1=1;w2=1;w3=1;w4=0;i++;P0=led[sec%10];break;       //數(shù)碼管顯示
         case 1:w1=1;w2=1;w3=0;w4=1;i++;P0=led[sec/10%10];break;
         case 2:w1=1;w2=0;w3=1;w4=1;i++;P0=led[sec/100%10]&0x7F;break;
         case 3:w1=0;w2=1;w3=1;w4=1;i=0;P0=led[sec/1000];break;
      }
}

  /*按鍵函數(shù)*/
void anjian ()
{
   if (s2==0)       //按鍵清零
         {
         sec=0;
            a=1;
            count=0;
            while (s2==0)
            {
               LEDscan();
            }
         }

if (s1==0)             //啟動(dòng)，停止
  {
a=!a;
      while (s1==0)
      {
         LEDscan();
      }
  }
}

/*中斷函數(shù)*/
void zhongduan0() interrupt 1          //中斷啟動(dòng)
{
static unsigned int k=0;       //定義一個(gè)K的變量

  TH0=(65536-1000)>>8;
  TL0=(65536-1000)&0x00FF;

      LEDscan();
      anjian();

      if(!a)
      {
   k++;
      if (k>=10)
      {
            k=0;
               sec++;
               if (sec>=9999)
               {
                  sec=0;
               }
      }
      }
}

作者: wulin 時(shí)間: 2018-12-21 21:28
本帖最后由 wulin 于 2018-12-22 09:02 編輯

#include <reg52.h>

sbit w1=P1^0;
sbit w2=P1^1;
sbit w3=P1^2;
sbit w4=P1^3;
sbit s1=P1^4;
sbit s2=P1^5;

unsigned char high;
unsigned char low;
unsigned char code led[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E};          //共陽極數(shù)碼管0~9

unsigned int sec=0;
unsigned char a = 1;
//unsigned char count = 0;

void Timer0Init(void) //3906微秒@12.000MHz
{
TMOD |= 0x01; //設(shè)置定時(shí)器模式
TH0 = 0xF0; //設(shè)置定時(shí)初值
TL0 = 0xBE; //設(shè)置定時(shí)初值
TR0 = 1; //定時(shí)器0開始計(jì)時(shí)
EA=1;    //中斷總開關(guān)
ET0=1;             //定時(shí)器的中斷開關(guān)
}

void main ()
{
Timer0Init();
while (1);
}

void LEDscan()
{
static unsigned char i=0;
P0=0xFF;    //熄滅燈
switch(i)
{
case 0:w1=0;w2=0;w3=0;w4=1;i++;P0=led[sec&0x0f];break;       //數(shù)碼管顯示
case 1:w1=0;w2=0;w3=1;w4=0;i++;P0=led[sec>>4&0x0f];break;
case 2:w1=0;w2=1;w3=0;w4=0;i++;P0=led[sec>>8&0x0f]&0x7F;break;
case 3:w1=1;w2=0;w3=0;w4=0;i=0;P0=led[sec>>12&0x0f];break;
}
}

  /*按鍵函數(shù)*/
void anjian ()
{
if (s1==0)             //啟動(dòng)，停止
{
a=!a;
while (s1==0)
{
LEDscan();
}
}
if (s2==0)       //按鍵清零
{
sec=0;
a=1;
while(s2==0)
{
LEDscan();
}
}
}

/*中斷函數(shù)*/
void zhongduan0() interrupt 1          //中斷啟動(dòng)
{
// static unsigned int k=0;       //定義一個(gè)K的變量
TH0 = 0xF0; //設(shè)置定時(shí)初值
TL0 = 0xBE; //設(shè)置定時(shí)初值
LEDscan();
anjian();
if(!a)
{
sec++;
if(sec>0xffff)
sec=0;
}
}

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