基于单片机与GSM的远程控制系统设计

#include <REG52.h> #include<intrins.h> /****************************************************************************************/ #include "string.h" #include "delay.h" #include "uart.h" #include "timer1.h" #include "SIMxxx.h" void sms_open_or_close_func(); /****************************************************************************************/ #define LCM_Data P0 #define uchar unsigned char #define uint unsigned int #define w 6 //定义密码位数 sbit lcd1602_rs=P2^7; sbit lcd1602_rw=P2^6; sbit lcd1602_en=P2^5; sbit Scl=P3^4; //24C02串行时钟 sbit Sda=P3^5; //24C02串行数据 sbit ALAM = P2^1; //报警 sbit KEY = P3^6; //开锁 sbit open_led=P2^2; //开锁指示灯 bit operation=0; //操作标志位 bit pass=0; //密码正确标志 bit ReInputEn=0; //重置输入充许标志 bit s3_keydown=0; //3秒按键标志位 bit key_disable=0; //锁定键盘标志 unsigned char countt0,second; //t0中断计数器,秒计数器 void Delay5Ms(void); unsigned char code a[]={0xFE,0xFD,0xFB,0xF7}; //控盘扫描控制表 unsigned char code start_line[] = {"password: "}; unsigned char code name[] = {"===Coded Lock==="}; //显示名称 unsigned char code Correct[] = {" correct "}; //输入正确 unsigned char code Error[] = {" error "}; //输入错误 unsigned char code codepass[] = {" pass "}; unsigned char code LockOpen[] = {" open "}; //OPEN unsigned char code SetNew[] = {"SetNewWordEnable"}; unsigned char code Input[] = {"input: "}; //INPUT unsigned char code ResetOK[] = {"ResetPasswordOK "}; unsigned char code initword[] = {"Init password..."}; unsigned char code Er_try[] = {"error,try again!"}; unsigned char code again[] = {"input again "}; unsigned char InputData[6]; //输入密码暂存区 unsigned char CurrentPassword[6]={1,3,1,4,2,0}; //当前密码值 unsigned char TempPassword[6]; unsigned char N=0; //密码输入位数记数 unsigned char ErrorCont; //错误次数计数 unsigned char CorrectCont; //正确输入计数 unsigned char ReInputCont; //重新输入计数 unsigned char code initpassword[6]={0,0,0,0,0,0}; //=====================5ms延时============================== void Delay5Ms(void) { unsigned int TempCyc = 5552; while(TempCyc--); } //===================400ms延时============================== void Delay400Ms(void) { unsigned char TempCycA = 5; unsigned int TempCycB; while(TempCycA--) { TempCycB=7269; while(TempCycB--); } } //============================================================================================= //================================24C02======================================================== //============================================================================================= void mDelay(uint t) //延时 { uchar i; while(t--) { for(i=0;i<125;i++) {;} } } void Nop(void) //空操作 { _nop_(); _nop_(); _nop_(); _nop_(); } /*起始条件*/ void Start(void) { Sda=1; Scl=1; Nop(); Sda=0; Nop(); } /*停止条件*/ void Stop(void) { Sda=0; Scl=1; Nop(); Sda=1; Nop(); } /*应答位*/ void Ack(void) { Sda=0; Nop(); Scl=1; Nop(); Scl=0; } /*反向应答位*/ void NoAck(void) { Sda=1; Nop(); Scl=1; Nop(); Scl=0; } /*发送数据子程序，Data为要求发送的数据*/ void Send(uchar Data) { uchar BitCounter=8; uchar temp; do { temp=Data; Scl=0; Nop(); if((temp&0x80)==0x80) Sda=1; else Sda=0; Scl=1; temp=Data<<1; Data=temp; BitCounter--; } while(BitCounter); Scl=0; } /*读一字节的数据，并返回该字节值*/ uchar Read(void) { uchar temp=0; uchar temp1=0; uchar BitCounter=8; Sda=1; do{ Scl=0; Nop(); Scl=1; Nop(); if(Sda) temp=temp|0x01; else temp=temp&0xfe; if(BitCounter-1) { temp1=temp<<1; temp=temp1; } BitCounter--; } while(BitCounter); return(temp); } void WrToROM(uchar Data[],uchar Address,uchar Num) { uchar i; uchar *PData; PData=Data; for(i=0;i<Num;i++) { Start(); Send(0xa0); Ack(); Send(Address+i); Ack(); Send(*(PData+i)); Ack(); Stop(); mDelay(20); } } void RdFromROM(uchar Data[],uchar Address,uchar Num) { uchar i; uchar *PData; PData=Data; for(i=0;i<Num;i++) { Start(); Send(0xa0); Ack(); Send(Address+i); Ack(); Start(); Send(0xa1); Ack(); *(PData+i)=Read(); Scl=0; NoAck(); Stop(); } } //================================================================================================== //=======================================LCD1602==================================================== //================================================================================================== #define yi 0x80 //LCD第一行的初始位置,因为LCD1602字符地址首位D7恒定为1（100000000=80） #define er 0x80+0x40 //LCD第二行初始位置（因为第二行第一个字符位置地址是0x40） //----------------延时函数，后面经常调用---------------------- void delay(uint xms)//延时函数，有参函数 { uint x,y; for(x=xms;x>0;x--) for(y=110;y>0;y--); } //--------------------------写指令--------------------------- write_1602com(uchar com)//****液晶写入指令函数**** { lcd1602_rs=0;//数据/指令选择置为指令 lcd1602_rw=0; //读写选择置为写 P0=com;//送入数据 delay(1); lcd1602_en=1;//拉高使能端，为制造有效的下降沿做准备 delay(1); lcd1602_en=0;//en由高变低，产生下降沿，液晶执行命令 } //-------------------------写数据----------------------------- write_1602dat(uchar dat)//***液晶写入数据函数**** { lcd1602_rs=1;//数据/指令选择置为数据 lcd1602_rw=0; //读写选择置为写 P0=dat;//送入数据 delay(1); lcd1602_en=1; //en置高电平，为制造下降沿做准备 delay(1); lcd1602_en=0; //en由高变低，产生下降沿，液晶执行命令 } //-------------------------初始化------------------------- void lcd_init(void) { write_1602com(0x38);//设置液晶工作模式，意思：16*2行显示，5*7点阵，8位数据 write_1602com(0x0c);//开显示不显示光标 write_1602com(0x06);//整屏不移动，光标自动右移 write_1602com(0x01);//清显示 } //======================================================================================== //========================================================================================= //==============将按键值编码为数值========================= unsigned char coding(unsigned char m) { unsigned char k; switch(m) { case (0x11): k=1;break; case (0x21): k=2;break; case (0x41): k=3;break; case (0x81): k='A';break; case (0x12): k=4;break; case (0x22): k=5;break; case (0x42): k=6;break; case (0x82): k='B';break; case (0x14): k=7;break; case (0x24): k=8;break; case (0x44): k=9;break; case (0x84): k='C';break; case (0x18): k='*';break; case (0x28): k=0;break; case (0x48): k='#';break; case (0x88): k='D';break; } return(k); } //=====================按键检测并返回按键值=============================== unsigned char keynum(void) { unsigned char row,col,i; P1=0xf0; if((P1&0xf0)!=0xf0) { Delay5Ms(); Delay5Ms(); if((P1&0xf0)!=0xf0) { row=P1^0xf0; //确定行线 i=0; P1=a[i]; //精确定位 while(i<4) { if((P1&0xf0)!=0xf0) { col=~(P1&0xff); //确定列线 break; //已定位后提前退出 } else { i++; P1=a[i]; } } } else { return 0; } while((P1&0xf0)!=0xf0); return (row|col); //行线与列线组合后返回 } else return 0; //无键按下时返回0 } //=======================一声提示音，表示有效输入======================== void OneAlam(void) { ALAM=0; Delay5Ms(); ALAM=1; } //=======================