GPRS.rar_GPRS

#include "reg52.h" #include "usart.h" #include "gsm.h" sbit Key_Close=P3^2; //遥控开关,高电平有效 sbit Key_Alarm=P1^0; //人体感应开关,高电平有效 sbit LED_S=P2^0; //工作状态 sbit LED_T=P2^1; //通话忙指示 sbit LED_L=P2^2; //通话忙指示 unsigned char Flag_Status=1; //状态标志位，0为正常工作，1为不工作 unsigned char count=0; //开关次数 unsigned char temp,k=0; void Status(); //状态检测 void main() { LED_L=0;//add by xzl IT0=1; EX0=1; EA=1; USART_Init(); //串口初始化 Delay1S(10); RI=0; while(1) { //USART_SendString("at",2); while(!RI)USART_SendString("at",2);; temp=SBUF; // SBUF=SBUF; if(temp==0x52||temp==0x6C) { k=1; TI=0; break; } RI=0; } while(k) { LED_L=1; if(Flag_Status==0) //系统报警状态 { if(Key_Alarm==1) { while(Key_Alarm); LED_T=0; Telephone("13850000000"); LED_T=1; } } } } //外部中断0 void exint0() interrupt 0 { count++; if(count==1) { LED_S=1; Flag_Status=1; } else { LED_S=0; Flag_Status=0; count=0; } }