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甲机
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
void main()
{
uchar temp=0;
SCON = 0x40;
TMOD = 0x20;
TH1 = 0xfd;
TL1 = 0xfd;
PCON = 0x00;
TR1 = 1;
P1=0xff;
while(1)
{
temp=P1;
SBUF=temp;
while(T1==0);
T1=0;
}
}
//乙机
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
void main()
{
uchar temp=0;
TMOD=0x20;
TH1=0xfd;
TL1=0Xfd;
SCON=0x50;
PCON=0x00;
TR1=1;
while(1)
{
while(RI==0);
RI=0;
temp=SBUF;
P1=temp;
}
}
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