51单片机教室人数监控系统 12864显示 Proteus仿真程序 -

//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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