基于单片机apc220的无线通信-zbc101的回答

基于单片机apc220的无线通信

2019-07-16 06:18发布

大侠们，我们通过调试没有发现错误所在，烧写到单片机上时单片机只见接收，没有发送，特请大侠们帮我们检查一下，谢谢！以下是我们的程序：

/*本程序用于下位机与上位机的中介单片机，中介单片机连接有既能与下位机通信的apc220同时用串口线与上位机通信，当上位机或下位机发送出信号时，此时
中介单片机接收到信号后进行校验，当验证接收正确后再发送*/
#include<reg52.h>
#include<string.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define len 8
bit rec_flag=0;//接受标志
bit send_flag=0; //发送标志
bit stop_flag=0;//接收完成标志
bit TE_flag1=0;
bit TE_flag2=0;
bit TE_flag3=0;
bit TE_flag4=0;
bit TE_flag5=0;
bit S_flag1=0;
bit S_flag2=0;
bit S_flag3=0;
bit S_flag4=0;
bit S_flag5=0;
bit S_flag6=0;
bit S_flag7=0;
uchar xdata recdata[8]=0,TEdata1[]={'T','E','t','i','m','e','0','0'},TEdata2[]={'T','E','s','t','a','r','t','$'},TEdata3[]={'T','E','s','t','o','p','$','@'},
TEdata4[]={'T','E','f','a','r','*','$','@'},TEdata5[]={'T','E','n','e','a','r','$','@'},TEdata6[8]={'T','E','S','Y'},Sdata1[]={'S','w','n','o','r','m','a','l'},
Sdata2[]={'S','w','h','i','g','h','$','@'},Sdata3[]={'S','w','l','o','w','*','$','@'},Sdata4[]={'S','h','u','a','n','*','$','@'},Sdata5[]={'S','f','a','n','g','*','$','@'},
Sdata6[]={'S','h','u','i','j','i','a','@'},Sdata7[]={'S','s','t','o','p','*','$','@'},PHdata[8]={'P','H','$','@'},DOdata[8]={'D','O','$','@'};
//uchar xdata checksum,count3;
/******************短延时*******/
void delay(uint n)
{
uint i;
for(i=0;i<n;i--);
}
/************ms延时************/
void delayms(uint n)
{
uint i;
while(n--)
for(i=0;i<125;i--);
}
/*************发送单个字符**************/
void sendchar(uchar ch)
{
SBUF=ch;
while(!ti);
TI=0;
delay(5); //短延时
}
/*********接收单个字符*************/
/*uchar getchar(void)
{
uchar ch;
while(!RI);
RI=0;
ch=SBUF;
return(ch);
}
/*************发送字符串*********/
void send_string(uchar *str,uint strlen)
{
uint k=0;
do
{
  sendchar(*(str+k));
  k++;
} while(k<strlen) ;
}
/***********串口初始化************/
void init_serialcom(void)
{
TMOD=0x20; //定时器T1 ，方式2
SCON=0x50; //串口工作方式1，允许接收
PCON=0x00;
TH1=0xfd;  //串口波特率9600
TL1=0xfd;
ES=1;  //串口中断
EA=1; //总中断
TR1=1; //T1开始工作
}
/*********串口中断***********/
void serial() interrupt 4 using 3
{
unsigned int j=0;
//ES=0;
if(RI)
{
  //unsigned int j=0;
  unsigned char ch;
  ch=SBUF;
  RI=0;
  //databuf[j++]=SBUF;
  if(ch=='T'||ch=='S')
  {
rec_flag=1;
  }
  if(rec_flag)
  {
recdata[j++]=ch;
if(j==(len-1))
{
stop_flag=1;
rec_flag=0;
j=0;
}
  }

}
if(stop_flag)
{
  ES=0;
  for(j=0;j<8;j++)
  {
if(recdata[j]==TEdata1[j])
{
TE_flag1=1;
send_flag=1;
}
if(recdata[j]==TEdata2[j])
{
TE_flag2=1;
send_flag=1;
}
if(recdata[j]==TEdata3[j])
{
TE_flag3=1;
send_flag=1;
}
if(recdata[j]==TEdata4[j])
{
TE_flag4=1;
send_flag=1;
}
if(recdata[j]==TEdata5[j])
{
TE_flag5=1;
send_flag=1;
}
if(recdata[j]==Sdata1[j])
{
S_flag1=1;
send_flag=1;
}
if(recdata[j]==Sdata2[j])
{
S_flag2=1;
send_flag=1;
}
if(recdata[j]==Sdata3[j])
{
S_flag3=1;
send_flag=1;
}
if(recdata[j]==Sdata4[j])
{
S_flag4=1;
send_flag=1;
}
if(recdata[j]==Sdata5[j])
{
S_flag5=1;
send_flag=1;
}
if(recdata[j]==Sdata6[j])
{
S_flag6=1;
send_flag=1;
}
if(recdata[j]==Sdata7[j])
{
S_flag7=1;
send_flag=1;
}
  }
  stop_flag=0;
  ES=1;
}
//ES=1;
//return;
}
void main()
{
while(1)
{

  init_serialcom();
  //SBUF='A';
  //delayms(100);
  //send_flag=1;
  //TE_flag1=1;
if(send_flag)
{
  ES=0;
  send_flag=0;
  if(TE_flag1)
  {
  TE_flag1=0;
  send_string(TEdata1,len);
  }
  if(TE_flag2)
  {
  TE_flag2=0;
  send_string(TEdata2,len);
  }
  if(TE_flag3)
  {
  TE_flag3=0;
  send_string(TEdata3,len);
  }
  if(TE_flag4)
  {
  TE_flag4=0;
  send_string(TEdata4,len);
  }
  if(TE_flag5)
  {
  TE_flag5=0;
  send_string(TEdata5,len);
  }
  if(S_flag1)
  {
  S_flag1=0;
  send_string(Sdata1,len);
  }
  if(S_flag2)
  {
  S_flag2=0;
  send_string(Sdata2,len);
  }
  if(S_flag3)
  {
  S_flag3=0;
  send_string(Sdata3,len);
  }
  if(S_flag4)
  {
  S_flag4=0;
  send_string(Sdata4,len);
  }
  if(S_flag5)
  {
  S_flag5=0;
  send_string(Sdata5,len);
  }
  if(S_flag6)
  {
  S_flag6=0;
  send_string(Sdata6,len);
  }
  if(S_flag7)
  {
S_flag7=0;
send_string(Sdata7,len);
  }
  ES=1;
  }
}
}

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