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程序編譯無錯,但在串口助手運行時只接收不發(fā)送,手機收不到短信
求大神指點,怎么改正
# include<reg51.h>
void init_seri(void){ //串口初始化
TMOD|=0x20;
TH1=0Xfd;
TL1=0xfd;
SM1=1;
REN=1; // 使能信號
TR1=1; // 啟動定時器
ES=0; // 關(guān)閉串口終端
EA=1; // 打開總中斷
}
void print_s(char *string){ // 串口發(fā)送字符串
while(*string){
SBUF=*string;
while(!TI);
TI=0;
string++;
}
}
void send_hex(unsigned char b)
{ //串口發(fā)送字符
SBUF=b;
while(!TI);
TI=0;
}
unsigned char code message_number[]={"AT+CMGS=\"18261****11\""};
unsigned char code message_content[]={"someone is coming ! --FROM BOBO"};
void long_delay(unsigned int cnt)
{
unsigned int k=50000;
while(--cnt)
{
while(k--);
}
}
void Send_Message(void)
{
print_s(message_number);
send_hex(0x0d);
long_delay(2);
print_s(message_content);
send_hex(0x0d);
long_delay(2);
send_hex(0x1a);
long_delay(1);
}
void main(){
init_seri();
Send_Message();
long_delay(1);
}
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