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发表于 2020-4-17 13:45:37
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本帖最后由 HC6800-ES-V2.0 于 2020-4-18 10:11 编辑
我来做作业
#include <STC90C5xAD.H>
#define GPIO_DIG P0
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
unsigned char code DIG_CODE[16]={0x3f,0x06,
0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,
0x7c,0x39,0x5e,0x79,0x71};
unsigned char DisplayData[8];
unsigned int SS=0,TT=0,i=0;
void DigDisplay()
{
unsigned char i,j;
for(i=0;i<8;i++)
{
switch(i)
{
case(0):
LSA=0;LSB=0;LSC=0; break;
case(1):
LSA=1;LSB=0;LSC=0; break;
case(2):
LSA=0;LSB=1;LSC=0; break;
case(3):
LSA=1;LSB=1;LSC=0; break;
case(4):
LSA=0;LSB=0;LSC=1; break;
case(5):
LSA=1;LSB=0;LSC=1; break;
case(6):
LSA=0;LSB=1;LSC=1; break;
case(7):
LSA=1;LSB=1;LSC=1; break;
}
GPIO_DIG=DisplayData;
j=30;
while(j--);
GPIO_DIG=0x00;
}
}
void TimerConfiguration()
{
TMOD = 0x01;
TH0 = 0x3c;
TL0 = 0xB0;
PT0=1;
EA = 1;
ET0 = 1;
TR0=1;
}
void XS(void)
{
DisplayData[7]=DIG_CODE[(SS/10000000)];
DisplayData[6]=DIG_CODE[(SS%10000000)/1000000];
DisplayData[5]=DIG_CODE[(SS%1000000)/100000];
DisplayData[4]=DIG_CODE[(SS%100000)/10000];
DisplayData[3]=DIG_CODE[(SS%10000)/1000];
DisplayData[2]=DIG_CODE[(SS%1000)/100];
DisplayData[1]=DIG_CODE[(SS%100)/10];
DisplayData[0]=DIG_CODE[(SS%10)/1];
}
void main ()
{
TimerConfiguration();
while(1)
{
XS();
DigDisplay();
}
}
void Timer0() interrupt 1
{
TH0 = 0x3c;
TL0 = 0xb0;
TT++;
if (TT>=20)
{
TT=0;
SS++;
}
TF0=0;
}
我的程序适用于这样的电路(图片上传不了):HC6800-ES-V2.0板子
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