為什么我的程序會跳出while(1)?

ID:328334 · 發表于 2019-5-11 22:49

#include "reg52.h"
#include "stdio.h"
#include "string.h"
#define uchar unsigned char
#define uint unsigned int
void send_byte(uchar by);
void send_string(uchar *p);
void delay(uint n);

uchar rst[]="AT+RST\r\n";
uchar mod[]="AT+CWMODE=3\r\n";
uchar wico[]="AT+CWJAP=\"Nick\",\"qweasdzxc\"\r\n";
uchar sev[]="AT+CIPSTART=\"TCP\",\"192.168.43.31\",8080\r\n";
uchar mods[]="AT+CIPMODE=1\r\n";
uchar sen[]="AT+CIPSEND\r\n";
uchar kk[]="Here is light\r\n";

uint g,y,r;
uint str1;
sbit ght=P2^0;
sbit yht=P2^1;
sbit rht=P2^2;
void UsartInit()
{
SCON=0X50;
T2CON=0X34;
PCON=0X80;
RCAP2H=(65536-39)/256;
RCAP2L=(65536-39)%256;
ES=0;
EA=1;
ET0=1;
ET1=1;
EX0=1;
IT0=1;
EX1=1;
IT1=1;
}

void main()
{

UsartInit();
send_string(rst);
delay(1);
send_string(mod);
delay(1);
send_string(wico);
delay(10);
send_string(sev);
delay(10);
send_string(mods);
delay(5);
send_string(sen);
delay(3);
ES=1;
str1=53;
g=5;
y=2;
r=5;
while(1)
{
g=str1-48;
ght=0;
yht=1;
rht=1;
delay(g);
ght=1;
yht=0;
rht=1;
delay(y);
ght=1;
yht=1;
rht=0;
delay(r);
}
}

void send_byte(uchar by)
{
SBUF = by;
while(!TI);
TI = 0;
}

void send_string(uchar *p)
{
while(*p!= '\0')
{
      send_byte(*p);
      p++;
}
}

void delay(uint n)
{
unsigned int i=0;
  for(i=0;i<n;i++)
{
#pragma asm
DEL3:MOV R0,#100
DEL2:MOV R1,#100
DEL1:MOV R2,#25
   DEL0:NOP
         NOP
         DJNZ R2,DEL0
         DJNZ R1,DEL1
         DJNZ R0,DEL2
#pragma endasm
}
}
void Usart() interrupt 4
{
str1=SBUF;
RI = 0;//
}