標(biāo)題:
為什么這個(gè)單片機(jī)數(shù)碼管程序出現(xiàn)個(gè)位頻閃?
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作者:
愛(ài)在明tian
時(shí)間:
2019-3-14 19:04
標(biāo)題:
為什么這個(gè)單片機(jī)數(shù)碼管程序出現(xiàn)個(gè)位頻閃?
#include <reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
uint a,b,c,d,e,f,g;
uchar temp,ge,shi;
sbit wei = P2^7;
sbit duang=P2^6;
uchar code leddata[]={
0x3F, //"0"
0x06, //"1"
0x5B, //"2"
0x4F, //"3"
0x66, //"4"
0x6D, //"5"
0x7D, //"6"
0x07, //"7"
0x7F, //"8"
0x6F, //"9"
0x77, //"A"
0x7C, //"B"
0x39, //"C"
0x5E, //"D"
0x79, //"E"
0x71, //"F"
0x76, //"H"
0x38, //"L"
0x37, //"n"
0x3E, //"u"
0x73, //"P"
0x5C, //"o"
0x40, //"-"
0x00, //熄滅
0x00 //自定義
};
void delay();
void delay(uint z)
{
for(a = z;a > 0;a--)
for(b = 114;b > 0;b--);
}
void dishzhdu()
{
TMOD=0x10;
TH1 =0x4b;
TL1 =0xfd;
TR1 = 1; //50MS
EA = 1;
ET1 = 1;
}
void wabuzhdu()
{
EX0 = 1;
IT0 = 0;
EA = 1;
TMOD=0x01;
TH0 =0x4b;
TL0 =0xfd; //50ms
TR0 = 1;
}
void display(uint f )
{ ge = f%10;
shi= f/10;
P0 = 0xff;
wei= 1;
P0 = 0xfd;
wei= 0;
duang= 1;
P0 = leddata[ge];
duang= 0;
delay(1);
P0 = 0xff;
wei= 1;
P0 = 0xfe;
wei= 0;
duang= 1;
P0 = leddata[shi];
duang= 0;
delay(1);
}
void main()
{
temp = 0xfe;
P1 = temp;
dishzhdu();
wabuzhdu();
while (1)
{ TR0 = 1;
if(TF0 == 1)
{ TH0 =0x4b;
TL0 =0xfd;
TF0 = 0;
c++;
if(c == 20)
{
c = 0;
d++;
if(d >= 90)
{
d = 0;
}
display(d);
}
}
}
}
void dszd0() interrupt 3
{
TH1 =0x4b;
TL1 =0x7d;
e++;
if(e == 10)
{
e = 0;
temp = _cror_(temp,1);
P1 = temp;
}
}
void wbzd() interrupt 0
{
TR0 = 0;
delay(1);
}
復(fù)制代碼
作者:
wc86110
時(shí)間:
2019-3-14 21:52
顯示沒(méi)處理好就這結(jié)果
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