来一个数字移动程序.开始数字"1"移到最边,然后"2"....

ID:88481 · 发表于 2018-4-15 18:02

#include <reg52.h>

#define DIS_DB P0
#define DIS_WE P1

unsigned char flag100ms = 0;
unsigned char flag = 0;
unsigned char code dischar[] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
unsigned char disbuf[6];

void Play();
void ConfigTime0();

void main()
{
unsigned char i;

ConfigTime0();
while(1)
{
switch(flag)
{
case 0: for (i=0;i<6;i++)
disbuf[i] = 0xff;
if (flag100ms < 6)
   disbuf[flag100ms] = dischar[1];
else
{
flag100ms = 0;
flag++;
}
break;
case 1: for (i=0;i<5;i++)
disbuf[i] = 0xff;
if (flag100ms < 5)
{
disbuf[flag100ms] = dischar[2];
disbuf[5] = dischar[1];
}
else
{
flag100ms = 0;
flag++;
}
break;
case 2: for (i=0;i<4;i++)
disbuf[i] = 0xff;
if (flag100ms < 4)
{
disbuf[flag100ms] = dischar[3];
disbuf[5] = dischar[1];
disbuf[4] = dischar[2];
}
else
{
flag100ms = 0;
flag++;
}
break;
case 3: for (i=0;i<3;i++)
disbuf[i] = 0xff;
if (flag100ms < 3)
{
disbuf[flag100ms] = dischar[4];
disbuf[5] = dischar[1];
disbuf[4] = dischar[2];
disbuf[3] = dischar[3];
}
else
{
flag100ms = 0;
flag++;
}
break;
case 4: for (i=0;i<2;i++)
disbuf[i] = 0xff;
if (flag100ms < 2)
{
disbuf[flag100ms] = dischar[5];
disbuf[5] = dischar[1];
disbuf[4] = dischar[2];
disbuf[3] = dischar[3];
disbuf[2] = dischar[4];
}
else
{
flag100ms = 0;
flag++;
}
break;
case 5:
if (flag100ms < 1 )
{
      disbuf[flag100ms] = dischar[6];
disbuf[5] = dischar[1];
disbuf[4] = dischar[2];
disbuf[3] = dischar[3];
disbuf[2] = dischar[4];
disbuf[1] = dischar[5];
}
else
{
flag100ms = 0;
flag = 0;
}
break;
}
}
}

void Play()
{
static unsigned char i;

DIS_DB = 0xff;
   DIS_DB = disbuf[i];
DIS_WE = ~(0x01<<i);
i++;
if (i == 6)
i = 0;
}

void ConfigTime0()
{
TH0 = (65536-1000)/256;
TL0 = (65536-1000)%256;
TMOD = 0x01;
TR0 = 1;
ET0 = 1;
EA = 1;
}

void InterruptTime0() interrupt 1
{
static unsigned char i;

TH0 = (65536-1000)/256;
TL0 = (65536-1000)%256;
Play();
i++;
if (i >= 70)
{
i= 0;
flag100ms++;
}
}

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