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小弟刚学单片机不久,请高手帮忙!!!
我把下面这个程序用keil编译之后,烧写到单片机s52芯片,能成功收到短信。要是我给他回复短信之后让它控制引脚的高低电平,那么主函数main()
里边应该怎么写啊?
uchar Send_AT_Command( uchar type){ //发送AT指令
//拨号时号码放在phone.number
//其他用para_temp
AT_Command_Type=type;
send_count=0;
switch(type){
case RESET_TC35: //复位TC35
strcpy(uart_buff,"AT+CFUN=1,1");
break;
case CHECK_PIN: //检查当前是否要输入PIN码
strcpy(uart_buff,"AT+CPIN?");
break;
case TC35_INIT: //TC35初始化命令
strcpy(uart_buff,"ATE0V0");
break;
//0D 0A 54 43 33 35 0D 0A
case SIM_ID:
strcpy(uart_buff,"ATE0V0+CMGF=1+CNMI=2,1");
break;
case AT_IPR:
strcpy(uart_buff,"AT+IPR=9600");
break;
case SMSS_ID:
strcpy(uart_buff,"ATE0V0^SSMSS=1+CNMI=2,1");
break;
case SMS_CMGF: //SMS 接收方式,
strcpy(uart_buff,"ATE0V0+CMGF=0");
break;
case PHONE_WRITE: //存电话号码
strcpy(uart_buff,"AT+CPBW=");
strcat(uart_buff,para_temp);
break;
case PHONE_READ: //读电话本
strcpy(uart_buff,"AT+CPBR=");
strcat(uart_buff,&read_tmp);
uart_buff[9]=0x0d;
uart_buff[10]=0x0a;
uart_buff[11]=0x00;
uart_buff[12]=0x00;
break;
case SMS_CMGR: //读一个短信
strcpy(uart_buff,"AT+CMGR=");
strcat(uart_buff,para_temp);
break;
case SMS_CMGS: //写一个短信
strcpy(uart_buff,"AT+CMGS=");
strcat(uart_buff,para_temp);
break;
case SMS_CMGD: //删除一个短信
strcpy(uart_buff,"AT+CMGD=");
strcat(uart_buff,para_temp);
break;
case CMGS_MUB: //发报警短信内容
strcpy(uart_buff,para_temp);
break;
case AT_COMMAND:
break;
default:
receive_count=0;
return(TRUE);
}
ES=1;
strcat(uart_buff,"\x0d\x00");//在命令后加入CR
send_count=0; //设置发送指针
receive_count=0;
AT_Command_Status=COMMAND_WAIT; //设置接收成功标志
timer_S_cnt=0;
txd_rxd_bit=0;
at_send_bit=0;
TI=1; //开始发送数据
RI=0; //清除接收标志
if (type==TC35_INIT){
while (timer_S_cnt<6){
if (AT_Command_Status!=COMMAND_WAIT||txd_rxd_bit==1)
return(TRUE);
}
}
else if((type==SMS_CMGR)){
while (timer_S_cnt<6){
if (AT_Command_Status!=COMMAND_WAIT||txd_rxd_bit==1)
return(TRUE);
}
}
else if((type==CALL_ID)){
while (timer_S_cnt<2){
if (AT_Command_Status!=COMMAND_WAIT||txd_rxd_bit==1)
return(TRUE);
}
}
else{
while (timer_S_cnt<6){
if (AT_Command_Status!=COMMAND_WAIT||txd_rxd_bit==1){
return(TRUE);
}
}
}
return(FALSE);
}
uchar READ_TEL(uchar r){ //读短信号码1-20个
// uchar r;
para_temp[0]=(r/10)+0x30;para_temp[1]=(r%10)+0x30; para_temp[2]=0x0d;para_temp[3]=0x00;
para_temp[4]=0x00;para_temp[5]=0x00;para_temp[6]=0x00;para_temp[7]=0x00;
para_temp[8]=0x00;para_temp[9]=0x00;para_temp[10]=0x00;para_temp[11]=0x00;
// timer_S_cnt=0; while(timer_S_cnt<1&&(AT_Command_Status==COMMAND_WAIT)) watch_dog_clear;
Send_AT_Command(SMS_CMGR);
timer_S_cnt=0;
//while(timer_S_cnt<1&&(AT_Command_Status==COMMAND_WAIT)) watch_dog_clear;
send_count=0;
if(strsearch("CMGR: 0,,0")){ //+CMGR: 0,,0 没有短信返回
// timer_S_cnt=0; while(timer_S_cnt<1) watch_dog_clear;
ES=1; //设置发送指针
receive_count=0;
send_count=0xff;
RI=0 ;
return(FALSE);
}
else if(uart_buff[1]==0x0d&&uart_buff[0]==0x34){
return(FALSE);
}
else{
if(AT_Command_Status==COMMAND_ERROR)
return(FALSE);
else return(TRUE);
}
}
//============================================
//========== 读写短信程序
//====================================================
void read_sms(){
uchar i,r,j,t;
for(r=1;r<20;r++){
timer_tmp=0;
// while(timer_tmp<15) watch_dog_clear;// if(strsearch("+CMTI:")) return; //是否有新短信
num_tmp1=r;
if(READ_TEL(r)!=1){ //读一个短信 at+cmgr=1-19 读指令
if(strsearch("+CMTI:")) return;
continue;
}//TEL_temp[18] 读出对方号码
t=2;
i=0;
for(j=15;j<25;j++){
if((uart_buff[j]==0x22)&&(uart_buff[j+1]==',')&&uart_buff[j+2]==0x22)
break;
}
j=j+3;
if(uart_buff[j]=='+') j=j+3;
for(;j<40;j++){
if(uart_buff[j]==0x22)
break;
para_temp[t++]=uart_buff[j];
TEL_temp[i++]=uart_buff[j];
}
TEL_temp[i++]=0x0d ;
TEL_temp[i++]=0x00 ;
para_temp[t++]=0x0d;
para_temp[t++]=0x00;para_temp[t++]=0x00;
//---------------手机号码设置-------------
if((i=strsearch("CHN"))){ // 发中文//有些比较重要的东西你可以存到卡就,重新开机也没有问题
system_server=SYS_ALARM;
return;
}
else if((i=strsearch("RED"))){
system_server=SYS_NUMSAVE;
return;
}
else if((i=strsearch("GRE"))){
system_server=SYS_FEE;
return;
}
else{
para_temp[0]=(num_tmp1/10)+0x30;
para_temp[1]=(num_tmp1%10)+0x30;
para_temp[2]=0x0d;para_temp[3]=0x00;
Send_AT_Command(SMS_CMGD);
timer_S_cnt=0;
// while(timer_S_cnt<10&&(AT_Command_Status==COMMAND_WAIT)) watch_dog_clear;
for(i=10;i<=MAX_TM-3;i++){
uart_buff=0;
}
Send_AT_Command(SIM_ID);
return;
}
}
}
void send_sms(){ //发送短信
uchar j=1,i=1;
Send_AT_Command(SIM_ID);
//0011000D91683118180295F20008A70A8F66670953719669FF01
Send_AT_Command(SMS_CMGF);
TMP_BUF=0;
para_temp[TMP_BUF++]='2'; //短信号码长度,如果每加一个中文,长度加2
para_temp[TMP_BUF++]='5';
para_temp[TMP_BUF++]=0x0d;
para_temp[TMP_BUF++]=0x00;
para_temp[TMP_BUF++]=0x00;
Send_AT_Command(SMS_CMGS);
TMP_BUF=0;
para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='1';para_temp[TMP_BUF++]='1';
para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='D';
para_temp[TMP_BUF++]='9';para_temp[TMP_BUF++]='1';para_temp[TMP_BUF++]='6';para_temp[TMP_BUF++]='8';
//3118180295F2
j=0; //发送对方号码
para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='0';// para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='8';
para_temp[TMP_BUF++]='3';para_temp[TMP_BUF++]='2';
para_temp[TMP_BUF++]='1';para_temp[TMP_BUF++]='7';
para_temp[TMP_BUF++]='5';para_temp[TMP_BUF++]='4';
para_temp[TMP_BUF++]='F';para_temp[TMP_BUF++]='9';
/* do{ //动态电话号码
para_temp[TMP_BUF++]=TEL_temp[j+1];
para_temp[TMP_BUF++]=TEL_temp[j];
j=j+2;
if(TEL_temp[j+1]==0x0d){
para_temp[TMP_BUF++]='F';
para_temp[TMP_BUF++]=TEL_temp[j];
break;
}
}while(j<=18);*/
//短信格式设备
para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='8';
para_temp[TMP_BUF++]='A';para_temp[TMP_BUF++]='0';
//短信长度、 5个字,10个英文
para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='A';
//短信内容
//53D1 9001 6210 529F FF01 发送成功
para_temp[TMP_BUF++]='5';para_temp[TMP_BUF++]='3';para_temp[TMP_BUF++]='D';para_temp[TMP_BUF++]='1';
para_temp[TMP_BUF++]='9';para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='1';
para_temp[TMP_BUF++]='6';para_temp[TMP_BUF++]='2';para_temp[TMP_BUF++]='1';para_temp[TMP_BUF++]='0';
para_temp[TMP_BUF++]='5';para_temp[TMP_BUF++]='2';para_temp[TMP_BUF++]='9';para_temp[TMP_BUF++]='F';
para_temp[TMP_BUF++]='F';para_temp[TMP_BUF++]='F';para_temp[TMP_BUF++]='0';para_temp[TMP_BUF++]='1';
//短信结束符
para_temp[TMP_BUF++]=0X1A;para_temp[TMP_BUF++]=0X0D;
para_temp[TMP_BUF++]=0X00;
Send_AT_Command(CMGS_MUB);
system_server=SYS_SMSR;
receive_count=0;
AT_Command_Status=COMMAND_WAIT; //设置接收成功标志
send_count=0xff;timer_S_cnt=0;
while(timer_S_cnt<15&&(AT_Command_Status==COMMAND_WAIT)){
if(strsearch("+CMGS:")) break;
else if(txd_rxd_bit) break;
// watch_dog_clear;
}
para_temp[0]=(num_tmp1/10)+0x30;
para_temp[1]=(num_tmp1%10)+0x30;
para_temp[2]=0x0d;
para_temp[3]=0x00;
Send_AT_Command(SMS_CMGD);
timer_S_cnt=0;
// while(timer_S_cnt<2&&(AT_Command_Status==COMMAND_WAIT)) watch_dog_clear;
Send_AT_Command(SIM_ID);
// IO_OUT=1;
for(i=0;i<=MAX_TM-2;i++){
uart_buff=0;
}
}
void main (void)
{ uchar i;
system_server=SYS_SMSR;
LED=1;GREEN=1;RED=1;
Sys_Init();
Initialize_Model();
delay1ms(2000);//延时2S
start();
send_sms(); //发一次短信
delay1ms(2000);//延时2S
for(i=0;i<20;i++)
{
while(!RI);
RI= 0;
}
delay1ms(2000);//延时2S
if(RI==0)
{ read_sms();
}
while(1)
{
}
}
这个程序带中断程序。
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