?? p11_2.c
字號:
#include "REG51.H"
unsigned char m0 = 0;
unsigned char m1 = 0;
unsigned char m2 = 0;
unsigned char m3 = 0;
unsigned char Disp[] = {
0x40, 0x4F, 0x24, 0x30, 0x19,
0x12, 0x02, 0x78, 0x00, 0x10 };
void INT_0(void) interrupt 1
{
m0 ++;
if( m0 >= 10 )
{
m0 = 0;
m1 ++;
if( m1 >= 10 )
{
m1 = 0;
m2 ++;
if( m2 >= 6 )
{
m2 = 10;
m3 ++;
if( m3 >= 10 )
m3 = 0;
}
}
}
TH0 = 0x3c;
TL0 = 0xb0;
}
void Delay()
{
int i;
for( i = 0; i < 0xff; i ++ )
{
}
}
main()
{
TMOD = 0x01;
TH0 = 0x3c;
TL0 = 0xb0;
EA = 1;
ET0 = 1;
TR0 = 1;
while(1)
{
P3 = 0x08;
P0 = Disp[m0];
Delay();
P3 = 0x04;
P0 = Disp[m1];
Delay();
P3 = 0x02;
P0 = Disp[m2];
Delay();
P3 = 0x01;
P0 = Disp[m3];
Delay();
}
}
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