51单片机12864仿真,教室人数监控系统
仿真原理图如下(proteus仿真工程文件可到本帖附件中下载)
单片机源程序如下:
- //EDM12864B DRIVE//
- /**************************************
- PAGEADD为页地址起使
- TIERADD为行地址起使
- DIS_STARTADD为开始命令
- CTABLE为汉字字库数组
- ETABLE为英文字库数组
- ***************************************/
- #include <reg51.h>
- #define uchar unsigned char
- #define uint unsigned int
- #define High 1
- #define Low 0
- #define _nop {}
- #define PAGEADD 0xb8
- #define TIERADD 0x40
- #define DIS_STARADD 0xc0
- #define All_Seat 50
- uint key_value;
- sbit DI=P1^4;
- sbit E=P1^2;
- sbit CS1=P1^1;
- sbit CS2=P1^0;
- sbit RW=P1^3;
- sbit cs=P1^7;
- sbit sclk=P1^6;
- sbit dout=P1^5;
- sbit I2C_SCL = P3^7;
- sbit I2C_SDA = P3^6;
- sbit jin_1 = P2^0; //进来传感器1
- sbit chu_1 = P2^1; //出去传感器1
- //uchar ntable[]={61,49,57,60,19,49,62,49,60,63,55,2,0,0,6,22,56,
- //63,68,61,49,57,60,17,51,63,61};//email:analog2006@hotmail.com
- uchar data voltage_display[8];
- void Init_LCD(void);
- void E_Display_L(uchar E_Pagenum,uchar E_Tiernum,uchar E_Temp);
- void E_Display_R(uchar E_Pagenum,uchar E_Tiernum,uchar E_Temp);
- void C_display_L(uchar C_Pagenum,uchar C_Tiernum,uchar C_Temp);
- void C_display_R(uchar C_Pagenum,uchar C_Tiernum,uchar C_Temp);
- void WRCommand_L(uchar command);
- void WRCommand_R(uchar command);
- void WRdata_L(uchar ucdata);
- void WRdata_R(uchar ucdata);
- void CLR_DisplayRAM();
- /*****************************
- 字符表
- 显示"Welcome Use"
- ******************************/
- uchar code table1[]={
- 0x00,0x3e,0x51,0x49,0x45,0x3e,0x00,0x00,//0(0)
- 0x00,0x00,0x42,0x7f,0x40,0x00,0x00,0x00,//1
- 0x00,0x00,0xFC,0x24,0x24,0x24,0xFC,0xA5, //"度",8
- 0xA6,0xA4,0xFC,0x24,0x34,0x26,0x04,0x00,
- 0x40,0x20,0x9F,0x80,0x42,0x42,0x26,0x2A,
- 0x12,0x2A,0x26,0x42,0x40,0xC0,0x40,0x00,
- 0x10,0x22,0x64,0x0C,0x80,0xFE,0x92,0x92, //"湿",9
- 0x92,0x92,0x92,0x92,0xFF,0x02,0x00,0x00,
- 0x04,0x04,0xFE,0x41,0x44,0x48,0x50,0x7F,
- 0x40,0x40,0x7F,0x50,0x48,0x64,0x40,0x00,
- 0x00,0x00,0xFC,0x24,0x24,0x24,0xFC,0xA5, //"度",10
- 0xA6,0xA4,0xFC,0x24,0x34,0x26,0x04,0x00,
- 0x40,0x20,0x9F,0x80,0x42,0x42,0x26,0x2A,
- 0x12,0x2A,0x26,0x42,0x40,0xC0,0x40,0x00,
- };
- /********************************
- 显示用的延时函数
- 延时长度有参数 n 决定
- *********************************/
- void Delay_nms(uchar n)
- { uchar a;
- for(;n>0;n--)
- {
- for(a=0;a<100;a++)
- {
- _nop;
- _nop;
- _nop;
- _nop;
- };
- };
- }
- void FullSeat(int num);
- void Remain(int num);
- void Staff(int num);
- void Temperature(int num);
- void humidity(int num);
- void dst11();
- bit DHT_Start();
- bit DHT_ByteRead(unsigned char *dat);
- void ConfigTimer0(unsigned int ms);
- bit flag1s = 0; //1s定时标志
- unsigned char T0RH = 0; //T0重载值的高字节
- unsigned char T0RL = 0; //T0重载值的低字节
- void main()
- {
- bit tmp;
- uchar a=0,temp=0,b=0,number=0,pagenum=0;
- uchar etable[]={0,0,0,0,0,45,53,60,51,63,61,53,10,69,67,53};//Welcome use
- uchar ttable[]={42,57,61,53,19,10,2,0,0,6,18,1,1,18,0,7};//Time:2006/11/07
- char count_remain=0,count_c=0;
- bit flag=1;
- char temperature_buf[2]={0};
- uchar temperature_display[8]={0};
- //uchar voltage=0; //测试0831时使用
- double voltage=0;
- double temp_buffer=0;
- int New_Number=0;
- unsigned char DHT[5];
- int SD,WD;
- static char number_flag;
- EA = 1; //开总中断
- Init_LCD();
- ConfigTimer0(10);
- DHT_Start();
- //中文显示:欢迎使用液晶模块
- pagenum=0;//在第二行开始显示
- FullSeat(All_Seat);
- Remain(All_Seat-New_Number);
- Staff(New_Number);
- Temperature(0);
- humidity(0);
- while(1)
- {
- if(flag1s)
- {
- DHT_Start();
- tmp=DHT_ByteRead(&DHT);
- if(tmp==1)
- {
- WD= DHT[2];
- SD=DHT[0];
- Temperature(WD);
- humidity(SD);
- }
- }
- if(jin_1!=1 || chu_1!=1)
- {
- if(number_flag==1 && chu_1==0)
- {
- number_flag=0; //进入一人
- New_Number++;
- if(New_Number>50)
- {
- New_Number=50;
- }
- Remain(All_Seat-New_Number);
- Staff(New_Number);
- while(chu_1==0);
- continue;
- }
- if(number_flag==2 && jin_1==0)
- {
- number_flag=0; //出去一人
- New_Number--;
- if(New_Number<0)
- {
- New_Number=0;
- }
- Remain(All_Seat-New_Number);
- Staff(New_Number);
- while(jin_1==0);
- continue;
- }
- if(number_flag==0)//检测到有人进入
- {
- if(jin_1==0)
- {
- number_flag=1;
- }
- if(chu_1==0)
- {
- number_flag=2;
- }
- }
-
- }
-
- }
-
- }
- /* 配置并启动T0,ms-T0定时时间 */
- void ConfigTimer0(unsigned int ms)
- {
- unsigned long tmp; //临时变量
-
- tmp = 11059200 / 12; //定时器计数频率
- tmp = (tmp * ms) / 1000; //计算所需的计数值
- tmp = 65536 - tmp; //计算定时器重载值
- tmp = tmp + 12; //补偿中断响应延时造成的误差
- T0RH = (unsigned char)(tmp>>8); //定时器重载值拆分为高低字节
- T0RL = (unsigned char)tmp;
- TMOD &= 0xF0; //清零T0的控制位
- TMOD |= 0x01; //配置T0为模式1
- TH0 = T0RH; //加载T0重载值
- TL0 = T0RL;
- ET0 = 1; //使能T0中断
- TR0 = 1; //启动T0
- }
- /* T0中断服务函数,完成1秒定时 */
- void InterruptTimer0() interrupt 1
- {
- static unsigned char tmr1s = 0;
-
- TH0 = T0RH; //重新加载重载值
- TL0 = T0RL;
- tmr1s++;
- if (tmr1s >= 100) //定时1s
- {
- tmr1s = 0;
- flag1s = 1;
- }
-
- }
- void FullSeat(int num)
- {
- //座位
- C_display_L(0,0*16,0);//0行0列第一个字
- C_display_L(0,1*16,1);
- E_Display_L(1,2*16,19);
- E_Display_L(1,2*16+8,num/10);
- E_Display_L(1,3*16,num%10);
- }
- void Remain(int num)
- {
- //余座
- C_display_L(2,0*16,4);//0行0列第一个字
- C_display_L(2,1*16,5);
- E_Display_L(3,2*16,19);
- E_Display_L(3,2*16+8,num/10);
- E_Display_L(3,3*16,num%10);
- }
- void Staff(int num)
- {
- //人员
- C_display_R(0,0*16,2);//0行0列第一个字
- C_display_R(0,1*16,3);
- E_Display_R(1,2*16,19);
- E_Display_R(1,2*16+8,num/10);
- E_Display_R(1,3*16,num%10);
- }
- void Temperature(int num)
- {
- //温度
- C_display_R(2,0*16,6);//0行0列第一个字
- C_display_R(2,1*16,7);
- E_Display_R(3,2*16,19);
- E_Display_R(3,2*16+8,num/10);
- E_Display_R(3,3*16,num%10);
- E_Display_R(3,3*16+8,25);
- }
- void humidity(int num)
- {
-
- //湿度
- C_display_L(4,0*16,8);//0行0列第一个字
- C_display_L(4,1*16,9);
- E_Display_L(5,2*16,19);
- E_Display_L(5,2*16+8,num/10);
- E_Display_L(5,3*16,num%10);
- E_Display_L(5,3*16+8,12);
-
- }
- void LCD_Busy()
- {
- uchar busy;
- E=Low;
- DI=Low;
- RW=High;
- while(1)
- {
- E=High;
- _nop;
- _nop;
- busy=P0;//读状态标志寄存器
- _nop;
- E=Low;
- if((busy&0x90)==0)//检测BF和RES位,两者都为零时表示可进行写入
- break;
- };
- }
- /*********************************
- 写指令
- **********************************/
- void WRCommand_L(uchar command)
- {
- CS1=High;
- CS2=Low;
- LCD_Busy();
- DI=Low;
- _nop;
- RW=Low;
- _nop;
- E=High;
- _nop;
- P0=command;
- _nop;
- E=Low;
- _nop;
- }
- void WRCommand_R(uchar command)
- {
- CS1=Low;
- CS2=High;
- LCD_Busy();
- DI=Low;
- _nop;
- RW=Low;
- _nop;
- E=High;
- _nop;
- P0=command;
- _nop;
- E=Low;
- _nop;
- }
- /***********************************
- 写一个字节的显示数据
- ************************************/
- void WRdata_L(uchar ucdata)
- {
- CS1=High;
- CS2=Low;
- LCD_Busy();
- DI=High;
- _nop;
- RW=Low;
- _nop;
- E=High;
- _nop;
- P0=ucdata;
- _nop;
- E=Low;
- _nop;
- }
- void WRdata_R(uchar ucdata)
- {
- CS1=Low;
- CS2=High;
- LCD_Busy();
- DI=High;
- _nop;
- RW=Low;
- _nop;
- E=High;
- _nop;
- P0=ucdata;
- _nop;
- E=Low;
- _nop;
- }
- /****************************************************
- 字符为16*16显示,分为两个部分写入32个字节
- 前16个字节写入第一页(16*8),后16个字节写入
- 第二页(16*8)
- 左侧写入"欢迎",右侧写入"使用"
- *****************************************************/
- void C_display_L(uchar C_Pagenum,uchar C_Tiernum,uchar C_Temp)
- {
- uchar k;
- C_Pagenum=PAGEADD|C_Pagenum;
- C_Tiernum=TIERADD|C_Tiernum;
- WRCommand_L(C_Pagenum);
- WRCommand_L(C_Tiernum);
- for(k=0;k<16;k++)
- {
- WRdata_L(table2[C_Temp*32+k]);
- };
- C_Pagenum=C_Pagenum+1;
- WRCommand_L(C_Pagenum);
- WRCommand_L(C_Tiernum);
- for(k=0;k<16;k++)
- {
- WRdata_L(table2[C_Temp*32+k+16]);
- };
- }
- void C_display_R(uchar C_Pagenum,uchar C_Tiernum,uchar C_Temp)
- {
- uchar k;
- C_Pagenum=PAGEADD|C_Pagenum;
- C_Tiernum=TIERADD|C_Tiernum;
- WRCommand_R(C_Pagenum);
- WRCommand_R(C_Tiernum);
- for(k=0;k<16;k++)
- {
- WRdata_R(table2[C_Temp*32+k]);
- };
- C_Pagenum=C_Pagenum+1;
- WRCommand_R(C_Pagenum);
- WRCommand_R(C_Tiernum);
- for(k=0;k<16;k++)
- {
- WRdata_R(table2[C_Temp*32+k+16]);
- };
- }
- /****************************************
- 写入西文字符,共11个字符,左侧写入6个
- 右侧写入5个,左侧起始从16开始,右侧从
- 0开始
- *****************************************/
- void E_Display_L(uchar E_Pagenum,uchar E_Tiernum,uchar E_Temp)
- {
- uchar k;
- WRCommand_L(PAGEADD|E_Pagenum);
- WRCommand_L(TIERADD|E_Tiernum);
- for(k=0;k<8;k++)
- {
- WRdata_L(table1[E_Temp*8+k]);
- };
- }
- void E_Display_R(uchar E_Pagenum,uchar E_Tiernum,uchar E_Temp)
- {
- uchar k;
- WRCommand_R(PAGEADD|E_Pagenum);
- WRCommand_R(TIERADD|E_Tiernum);
- for(k=0;k<8;k++)
- {
- WRdata_R(table1[E_Temp*8+k]);
- };
- }
- /*********************************
- 清除所有显示RAM内容
- **********************************/
- void CLR_DisplayRAM()
- {
- ……………………
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单片机源程序如下:
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