SIM900A单片机驱动程序

/**************http://tpytongxin.taobao.com/****************/ #include <reg52.h> #include <intrins.h> #include <string.h> #include <stdio.h> #define uint unsigned int #define uchar unsigned char sbit Send_ENGLISH_key=P1^0; //发英文TEXT短信按键 sbit Send_CALLING_key=P1^1; //打电话按键 sbit Send_DS18B20_key=P1^2; //发温度按键 sbit Send_SMS_PDU_key=P1^3; //发中文PDU短信按键 #define MAXCHAR 81 uchar aa[MAXCHAR]; code uchar ATE0[]="ATE0\r\n"; code uchar CREG_CMD[]="AT+CREG?\r\n"; code uchar SMS_send[]="AT+CMGS=18\r\n"; code uchar ATCN[]="AT+CNMI=2,1\r\n"; code uchar CMGF0[]="AT+CMGF=0\r\n"; code uchar CMGF1[]="AT+CMGF=1\r\n"; code uchar CMGR[12]="AT+CMGR=1\r\n"; code uchar CMGD[12]="AT+CMGD=1\r\n"; #define CALL_YOU_TELNUMBER "ATD18945917868;\r\n" //填入你手上的手机号码 不是板子的 #define SEND_MESSA_TO_YOUR "at+cmgs=\"18945917868\"\r\n" //填入你手上的手机号码 不是板子的 #define SEND_MESSA_CONTENT "warning" sbit JIDIANQI=P2^0; sbit FENGMINGQI=P2^1; uchar a,j=0,flag=0; int g_timeout=0; void delay(uint ms)// 延时子程序 { uchar i; while(ms--) { for(i=0;i<120;i++); } } /*********************************************************** 函数名称：Print_Char 函数功能：发送单个字符 入口参数:ch 出口参数：无 ***********************************************************/ Print_Char(uchar ch)//发送单个字符 { SBUF=ch; //送入缓冲区 while(TI!=1); //等待发送完毕 TI=0; //软件清零 } /*********************************************************** 函数名称：Print_Str 函数功能：发送字符串 入口参数:*str 出口参数：无 ***********************************************************/ Print_Str(uchar *str)//发送字符串 { while(*str!='\0') { Print_Char(*str); delay(2); str++; } } /*********************************************************** 函数名称：Ini_UART 函数功能：串口初始化、定时器初始化 入口参数:无 出口参数：无 ***********************************************************/ Ini_UART(void)//串口初始化、定时器初始化 { SCON = 0x50 ; //SCON: serail mode 1, 8-bit UART, enable ucvr //UART为模式1，8位数据，允许接收 TMOD |= 0x20 ; //TMOD: timer 1, mode 2, 8-bit reload //定时器1为模式2,8位自动重装 PCON |= 0x80 ; //SMOD=1; TH1 = 0xFd ; //Baud:19200 fosc="11".0592MHz TL1=0xFd; IE |= 0x90 ; //Enable Serial Interrupt TR1 = 1 ; // timer 1 run TI=1; ES=1; } void clearBuff(void) { for(j=0;j<MAXCHAR;j++) { aa[j]=0x00; } j=0; } void led(int i) { P0 |= i; delay(20); P0 &= ~i; delay(20); P0 |= i; delay(20); P0 &= ~i; } int Hand() { delay(10); if(strstr(aa,"OK")!=NULL) //检测单片机和模块的连接 { g_timeout=0; return 1; } if(g_timeout>50) { g_timeout=0; return -1; } g_timeout++; return 0; } void AT(void) { clearBuff(); Print_Str(ATE0); delay(50); while(strstr(aa,"OK")==NULL) { delay(50); led(0x01); clearBuff(); Print_Str(ATE0); } led(0x02); Print_Str(ATCN); delay(50); while(1) { clearBuff(); Print_Str(CREG_CMD); delay(50); if(((aa[9]=='0')&&(aa[11]=='1'))||((aa[9]=='0')&&(aa[11]=='5'))) { clearBuff(); led(0x08); break; } else { clearBuff(); led(0x04); delay(50); } } } void send_english() { P2=0XFF; clearBuff(); Print_Str(CMGF1); delay(100); led(0x01); Print_Str(SEND_MESSA_TO_YOUR); delay(300); led(0x02); Print_Str(SEND_MESSA_CONTENT); //发短信内容 delay(10); Print_Char(0x1A); //发送结束符号 delay(10); led(0x04); clearBuff(); delay(3000); delay(3000); } void send_call() { clearBuff(); delay(100); Print_Str(CALL_YOU_TELNUMBER); //打电话 clearBuff(); delay(3000); delay(3000); } void main() { Ini_UART(); //初始化串口 AT(); //初始化模块 delay(10); Send_ENGLISH_key=1; //发英文TEXT短信按键 Send_CALLING_key=1; //打电话按键 Send_DS18B20_key=1; //发温度按键 Send_SMS_PDU_key=1; //发中文PDU短信按键 clearBuff(); Print_Str(CMGD); delay(50); while(Hand()==0); clearBuff(); Print_Str(CMGF1); delay(30); Print_Str(ATCN); delay(30); send_english(); while(1) { //////////////////////////////////////////////////////////////////////// if(Send_ENGLISH_key==0) //发英文TEXT短信按键 { send_english(); } else if(Send_CALLING_key==0) //打电话按键 { send_call(); } else if(Send_SMS_PDU_key==0) { } if(strstr(aa,"RING")!=NULL) { FENGMINGQI=0; delay(2); clearBuff(); } else { FENGMINGQI=1; } if(strstr(aa,"+CMTI")!=NULL) //缓存中有+CMTI字符 { clearBuff(); Print_Str(CMGF1); delay(50); while(Hand()==0); clearBuff(); Print_Str(CMGR); //读取1号位置的短信 delay(100); if(strstr(aa,"k11")!=NULL) { JIDIANQI=0; } else if(strstr(aa,"k10")!=NULL) { JIDIANQI=1; } clearBuff(); Print_Str(CMGD); delay(50); while(Hand()==0); clearBuff(); } //////////////////////////////////////////////////////////////////////// } } void ser() interrupt 4 { if(RI==1) { aa[j]=SBUF;//命令存到命令数组 RI=0; //软件清除接收中断 j++; } }