液体点滴速度监控装置设计的程序

#include

#define DB0_DB7 P0

#define busy 0x80

#define SCANPORT P1

sbit E=P2^2;

sbit RW=P2^1;

sbit RS=P2^0;

//1110 1111, 1101 1111, 1011 1111, 0111 1111

unsigned char uca_LineScan[4]={0xEF,0xDF,0xBF,0x7F}; //列线扫描电压分为第1,2,3,4根列线unsigned char key_ctt[4]={0};

unsigned char speed_bcd[4]={0};

unsigned char speed_sc[2];

unsigned char yy=0,temp;

unsigned int speed_ck[4]={0};

unsigned int di_xx[2]={0};

unsigned int ct=0,ttb=0,xx=0,tt3=0,speedct=0,speed=0,speedcd=10,cott=0;

unsigned int time_sq[4]={0};

typedef unsigned char uchar;

unsigned char code lcd3[]={"0123456789abcdef"};

unsigned char code lcdnow[]={"NOW:000"};

unsigned char code lcdset[]={"SET:000"};

unsigned char CONTROL[8]={0x38,0x18,0x98,0x88,0xC8,0x48,0x68,0x28};

unsigned char codes1[8]={0xb8,0x98,0xd8,0xc8,0xe8,0x68,0x78,0x38};//9,18,36,45,54,63,72,81度顺时针unsigned char codes2[8]={0xb8,0x98,0xd8,0xc8,0xe8,0x68,0x78,0x38};//9,18,36,45,54,63,72,81度逆时针unsigned char counts,pt;

unsigned char uc_KeyTemp=0;

unsigned char uc_ClickCount=0;

unsigned char ucCount;

bit flag=1; //度数，正反转，速度控制

bit a_ac=0;//比较系统标志

bit bleept=0;//报警标准

bit moto=0;//电机标志位

bit a_key=0;

bit b_key=0;

void vKeyProcess(unsigned char ucKeyCode);

void bleep();//报警

void ac();//电机速度比校

void akey();//功能处理

void getspeed();//速度检侧

void stdisplay();//显示

void Delay(unsigned int t);

void delay_50ms(unsigned int t); //延时

void SendCommand(unsigned char ch); //发送命令

void InitLcd(); //初始化

void DisplayOneChar(unsigned char x,unsigned char y,unsigned char ddata);//按指定位置显示一个字符

void DisplayListChar(unsigned char x,unsigned char y,unsigned char *DData);//按指定位盆显示一串字符

//================================================

//================================================

void Delay (unsigned int t) //delay 40us

{

//for(;t!=0;t--);

while(t--);

}

void deley_50ms(unsigned int t)

{

unsigned int j;

//可以在此加少许延时补偿，以称补大数值传递时(如delay_50ms(1000))造成的误差，但付出的代价是造成传递小数值//(delay_50ms(1))造成更大的误差。因为实际应用更多时候是传递小数值，所以补建议加补偿!

for(;t!=0;t--)

for(j=6245;j>0;j--);

}

//==============================================

//===============================================

void SendCommand(unsigned char ch) //发送命令

{

/*CheckBusy();*/

RS=0;

RW=0;

DB0_DB7=ch;

E=1;

Delay(1);

E=0;

Delay(5); //delay 40us

}

//=============================================

//===================================================

void vWriteData(unsigned char ch) //发送数据

{

/*CheckBusy();*/

RS=1;

RW=0;

DB0_DB7=ch;

E=1;

Delay(1);

E=0;

Delay(5); //delay 40us

}

//=========================================================

//===========================================================

void InitLcd() //初始化

SendCommand(0x38);

Delay(1);

SendCommand(0x08); //设置工作方式

Delay(1);

SendCommand(0x01); //显示状态设置

Delay(1);

SendCommand(0x06); //清屏

Delay(1);

SendCommand(0x0c); //输入方式设置

Delay(1);

}

//=========================================================

//===========================================================

void DisplayOneChar(unsigned char x,unsigned char y,unsigned char ddata) //按指定位置显示一

//个字符

{

y&=0x1;

x&=0xf; //限制X不能大于15，Y不能大于1

if(y)

x|=0x40;//当要显示第二行时，地址码+0x40;

x|=0x80;//算出指令码

SendCommand(x);

vWriteData(ddata);

}

//=========================================================

//===========================================================

void DisplayListChar(unsigned char x,unsigned char y,unsigned char *DData) //按指定位盆显示一串字符{

unsigned char ListLength;

ListLength=0;

y&=0x1;

x&=0xf; //限制X不能大于15，Y不能大于1

while(DData[ListLength]>0x20)

{

if(x<=0xf)

{

DisplayOneChar(x,y,DData[ListLength]); //显示单个字符

ListLength++;

x++;

}

}

}

//=========================================================

//===========================================================

void vShowOneChar(unsigned char ucChar)

{

switch(ucChar)

{

case '0':vWriteData(0x30);break;

case '1':vWriteData(0x31);break;

case '2':vWriteData(0x32);break;

case '4':vWriteData(0x34);break;

case '5':vWriteData(0x35);break;

case '6':vWriteData(0x36);break;

case '7':vWriteData(0x37);break;

case '8':vWriteData(0x38);break;

case '9':vWriteData(0x39);break;

case 'a':vWriteData(0x61);break;

case 'b':vWriteData(0x62);break;

case 'c':vWriteData(0x63);break;

case 'd':vWriteData(0x64);break;

case 'e':vWriteData(0x65);break;

case 'f':vWriteData(0x66);break;

default:break;

}

}

//==============================================

//==============================================

unsigned char ucKeyScan()

{

unsigned char ucTemp=0;//扫描状态暂存

unsigned char ucRow=0,ucLine=0;//行号列号

for(ucLine=0;ucLine<4;ucLine++)//列扫描

{

SCANPORT=uca_LineScan[ucLine]; //输出扫描电位

ucTemp=SCANPORT&0x0f;// 输出扫描电位并屏蔽高4位

if(ucTemp!=0x0f)

{

switch(ucTemp)

{

case 0x0e:ucRow=10;break;//如果有则判断行号

case 0x0d:ucRow=20;break;

case 0x0b:ucRow=30;break;

case 0x07:ucRow=40;break;

default: ucRow=50;break;

}

break;

}

}

//<<<<<<<<<<<<<<<<<<<<<恢复键扫描处理前舒适状态>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> SCANPORT=0x0f;//恢复P2口

return ucRow+ucLine+1;//返回按键编码格式为2位数高位为行号地位为列号

}

//==============================================

//==============================================

void vKeyProcess(unsigned char ucKeyCode)

{

if(a_key==1)

{

switch(ucKeyCode)

{

case 41:vShowOneChar('7');temp=7;break;

case 42:vShowOneChar('8');temp=8;break;

case 43:vShowOneChar('9');temp=9;break;

case 31:vShowOneChar('4');temp=4;break;

case 32:vShowOneChar('5');temp=5;break;

case 33:vShowOneChar('6');temp=6;break;

case 21:vShowOneChar('1');temp=1;break;

case 22:vShowOneChar('2');temp=2;break;

case 23:vShowOneChar('0');temp=0;break;

case 12:vShowOneChar('7');temp=7;break;

}

SendCommand(0xc4+uc_ClickCount);

SendCommand(0x0f);

}

switch(ucKeyCode)

{

case 44:/*vShowOneChar('c');*/temp=12;break;//'/'

case 34:/*vShowOneChar('d');*/temp=13;break;//*

case 24:/*vShowOneChar('e');*/temp=14;break; //-

case 14:/*vShowOneChar('f');*/temp=15;break;//+

case 13:/*vShowOneChar('b');*/temp=11;break;//=

case 11:/*vShowOneChar('a');*/temp=10;break;//ON/C

default:break;

}

if(temp==11)//判断按键与上一次所按的键是否相同

{

delay_50ms(10);

if(uc_ClickCount<255)//同一个按连续按下的次数：1~255

{

uc_ClickCount++;

SendCommand(0xc3+uc_ClickCount);

SendCommand(0x0f);

}

if(uc_ClickCount==3)

uc_ClickCount=0;

SendCommand(0xc4+ uc_ClickCount);

SendCommand(0x0f);

}

if(temp<=9)

{

switch(uc_ClickCount)

{

case 0:key_ctt[0]=temp;break;

case 1:key_ctt[1]=temp;break;

case 2:key_ctt[2]=temp;break;

default:break;

}

}

//============================================== //==============================================

void int_timer0(void)

{

TMOD=0x10;

TMOD=0x01;

TH0=0x3c;

TL0=0xb0;

ET1=1;

TR1=1;

ET0=1;

TR0=1;

EA=1;

IT1=1;

EX1=1;

}

//============================================== //============================================== void Timer1() interrupt 3

{

TH1=0x3c;

TL1=0xb0;

pt++;

if(pt==2)

{

pt=0;

if(flag==0&&moto==1)

P2=(P2&0x0f)|CONTROL[counts];

if(flag==0&&moto==0)

P2=(P2&0x0f)|codes2[counts];

counts++;

if(counts==8)

counts=0;

}

}

//============================================== //============================================== void Timer0() interrupt 1

{

TH0=0x3c;

TL0=0xb0;

yy++;

if(yy==2)

{

ct++;

tt3++;

yy=0;

if(ct==600)//60秒定时

ct=0;

xx=0;

}

if(tt3==20)

{

tt3=0;

di_xx[1]=di_xx[0];

di_xx[0]=xx;

if((di_xx[0]==di_xx[1])&&a_ac==1)

{bleept=1;flag=1;}

}

}

}

//============================================== //============================================== void Int1()interrupt 2

{

static cott=0;

cott++;

if(cott==2)

{

xx++;

time_sq[2]=time_sq[1];

time_sq[1]=time_sq[0];

time_sq[0]=ct;

if(a_key==0)

{

DisplayOneChar(10,0,lcd3[speed/100]);

DisplayOneChar(11,0,lcd3[speed%100/10]);

DisplayOneChar(10,0,lcd3[speed%10]);

DisplayOneChar(10,0,lcd3[xx/100]);

DisplayOneChar(10,0,lcd3[xx%100/10]);

DisplayOneChar(10,0,lcd3[xx%10]);

SendCommand(0xc4+uc_ClickCount);

getspeed();

cott=0;

}

}

}

//============================================== //============================================== void stdisplay()

{

DisplayListChar(0,0,lcdnow);

DisplayListChar(0,1,lcdset);

DisplayListChar(14,0,0x4f);

DisplayListChar(15,0,0x46);

DisplayListChar(8,0, "S:");

DisplayListChar(8,1,"T:");

//==============================================

//==============================================

void main()

{

delay_50ms(1);

int_timer0();

InitLcd();

P2_3=1;

SCANPORT=0x0f;

stdisplay();

while(1)

{

bleep();

if(SCANPORT!=0x0f)

{

for(ucCount=0;ucCount<200;ucCount++);

if(SCANPORT!=0x0f)

vKeyProcess(ucKeyScan());

};

switch(temp)

{

case 13:bleept=0;break;//D

case 14:a_ac=1;b_key=1;if(b_key==1){DisplayOneChar(15,1,0x4f);b_key=0;};SendCommand(0xc4+uc_ClickCount);break;//e case 15:if(a_key==1){speedcd=key_ctt[0]*100+key_ctt[1]*10+key_ctt[2];uc_ClickCount=0;};break;//f

case 10:a_key=1;akey();break;//a

case 12:a_key=0;akey();break;//c

default:break;

}

}

}

//==============================================

//==============================================

void ac()

{

if(speedct>=(speedcd+5))

{ moto=0; flag=0; }

else if(speedcd<=(speedcd-5))

{ moto=1; flag=0; }

else

flag=1;

}

//==============================================

//==============================================

void bleep()

{

if(a_ac==1)

{

if(bleept==1)

P2_3=0;

P2_3=1;

}

}

//==============================================

//==============================================

void akey()

{

if(a_key==1)

{

SendCommand(0x0c);

DisplayOneChar(14,0,0x4f);

DisplayOneChar(15,0,0x4e);//On

SendCommand(0xc4);

SendCommand(0x0f);

}

if(a_key==0)

{

SendCommand(0x0c);

DisplayOneChar(14,0,0x4f);

DisplayOneChar(15,0,0x46);//Of

}

}

//==============================================

//==============================================

void getspeed()

{

if(a_ac==1) { ac(); };

speed=1200/(time_sq[0]-time_sq[2]);

speed_ck[3]=speed_ck[2];

speed_ck[2]=speed_ck[1];

speed_ck[1]=speed_ck[0];

speed_ck[0]=speed;

if((speed_ck[0]!=speed_ck[1]))

{speed_sc[1]=speed_sc[0];

speed_sc[0]=speed_sc[0];

speedct=(speed_sc[0]+speed_sc[1])/2;

}

else

{if((speed_ck[0]==speed_ck[2])&&(speed_ck[1]==speed_ck[3]))

speedct=(speed_ck[0]+speed_ck[1])/2;

if((speed_ck[0]==speed_ck[1])||(speed_ck[0]==speed_ck[2]))

speedct=(speed_ck[1]+speed_ck[2])/2;

if((speed_ck[0]!=speed_ck[1])&&(speed_ck[0]!=speed_ck[2])&&(speed_ck[1]==speed_ck[2])) speedct=(speed_ck[0]+speed_ck[1])/2;

if((speed_ck[0]!=speed_ck[1])&&(speed_ck[0]!=speed_ck[2])&&(speed_ck[1]!=speed_ck[2])) speedct=(speed_ck[0]+speed_ck[1] +speed_ck[2]+speed_ck[4] )/4;

}

speed_bcd[1] =speed%100/10;

speed_bcd[2]=speed%10;

if(a_key==0)

{

DisplayOneChar(4,0,lcd3[speedct/100]); DisplayOneChar(5,0,lcd3[speedct%100/10]); DisplayOneChar(6,0,lcd3[speedct%10]);

DisplayOneChar(4,1,lcd3[speedct/100]); DisplayOneChar(5,1,lcd3[speedct/100]); DisplayOneChar(6,1,lcd3[speedct/100]); SendCommand(0xc4+uc_ClickCount);

}}