我用的是wavecom的gsm，我想关闭猫，发送AT+CPOF
,通过pc机没问题
而改用单片机就不行了，那里错了呢，猫已经登陆网络了
#include<reg52.h>
#include<stdio.h>
#include<string.h>
#define uchar unsigned char
uchar idata RsPoint=0;
uchar RsBuf[256];
sbit buz = P1^0;
char code AT_wmoi3[]="AT"; //连机
char code AT_Code[]="OK"; //确认
char code AT_M[]="AT+CPOF
/"; //关机
void InitSerial(void)
{
SCON = 0x52; // setup serial port control
TMOD = 0x20; // hardware (9600 BAUD @11.0592MHZ)
TH1 = 0xFD; // TH1
TR1 = 1; // Timer 1 on
}
////////////////////////////////////////////////////
void DelayMs(unsigned int count) // mSec Delay 11.0592 Mhz
{
unsigned int i; // Keil v7.5a
while(count) {
i = 115;
while(i>0) i--;
count--;
}
}
////////////////////////////////////////////////////
void SendASC(unsigned char ASC)
{
bit es;
es=ES;
ES=0; //关闭中断
TI=0;
SBUF=ASC;
while(!TI);
TI=0;
ES=es;
}
//////////////////////////////////////////////////////
void Send_To_wmoi3(unsigned char* p,unsigned char Long)
{
while(Long--)
{
SendASC(*p++);
}
}
////////////////////////////////////////////////////////
void wmoi3_To_cpu(void) interrupt 4 using 1
{
unsigned char *p;
*RsBuf=0x0000;
if(RI==1)
{
RI=0;
RsBuf[RsPoint++]=SBUF;
p=strstr(RsBuf,AT_Code);
if(p!=NULL) {buz=~buz ;}
if (RsPoint>=sizeof(RsBuf))
{
RsPoint=0;
}
}
}
/*uchar idata count_232=0; // 串行接收计数器
uchar xdata *read_232; // 串行接收数据缓冲区指针
uchar xdata *pr; */
////////////////////////////////////////////////////
/*
void Send_AT(void)
{ unsigned char *p;
while(1)
{
ClrRsBuf(RsBuf,sizeof(RsBuf));
SendTowmoi3(AT_wmoi3,2); //"AT"
SendASC(OVER);
//************等待应答“ok"
ES=1; //必须中断
Delay(50);
P=strstr(RsBuf,AT_Code);
if(p!=NULL) break;
}
} */
main()
{ InitSerial() ;
DelayMs(900000);//5s
ES=1;
Send_To_wmoi3(AT_M,8);
while(1);
}
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