新人毕设求一个液体点滴速度控制的
仿真或者程序,实现LCD上显示点滴速度,并能够通过键盘设定速度通过步进电机调节高度来控制液体点滴的速度。 仿真已经做好,可是貌似和我找到的程序有冲突 键盘功能没实现,有大神能帮忙看下嘛?程序有何错误。。
#include
#define DB0_DB7 P0
#define busy 0x80
#define SCANPORT P1
***it E=P2^7;
***it RW=P2^6;
***it RS=P2^5;
***it P23=P2^3;
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 int
time_sq[4]={0}; //连续测得的三点的时间
unsigned char speed_bcd[4]={0};
unsigned int speed_ck[4]={0};
unsigned int di_xx[2]={0};
unsigned char speed_sc[2]={0};
unsigned char yy=0,temp;
unsigned int ct=0,ttb=0,xx=0,tt3=0,speedct=0,speed=0,speedcd=10,cott=0;
typedef unsigned char uchar;
uchar code lcd3[]={"0123456789abcdef"};
uchar code lcdnow[]={"NOW:000"};
uchar 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]={0x38,0x78,0x68,0xe8,0xc8,0xd8,0x98,0xb8}; //9,18,36,45,54,63,72,81度 逆时针
unsigned char counts,pt;
bit flag=1; //度数,正/反转,速度控制
bit a_ac=0;//比较系统标志
unsigned char uc_KeyTemp=0; //按键键码暂存。
unsigned char uc_ClickCount=0;
unsigned char ucCount;
void vKeyProcess(unsigned char ucKeyCode);
void bleep();//报警
bit bleept=0;//报警标准
bit moto=0;//电机标志位
void ac();///电机速度比较
void akey();//功能处理A
bit a_key=0;
bit b_key=0;
void getspeed();//速度检测
void stdisplay();//显示
void Delay(unsigned int t);//延时
void delay_50ms(unsigned int t);
void SendCommand(unsigned char ch);//发送命令
void vWriteData(unsigned char ch);//发送数据
void InitLcd();//初始化
void DisplayOneChar(unsigned char x,unsigned 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);//按指定位置显示一串字符
//点滴速度检测子程序:
void Delay(unsigned int t) // delay 40us
{
//for(;t!=0;t--) ;
while(t--);
}
void delay_50ms(unsigned int t)
{unsigned int j;
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
}
//显示子程序流程:
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(200);
SendCommand(0x0c); //输入方式设置
}
void DisplayOneChar(unsigned char x,unsigned 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)//按指定开始位置显示字符串
{
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) //若到达字串尾则退出
{
if (x <= 0xF) //X坐标应小于0xF
{
DisplayOneChar(x, y, DData[ListLength]); //显示单个字符
ListLength++;
x++;
}
}
}
//键盘扫描子程序流程:
void vShowOneChar(unsigned char ucChar)
{
switch(ucChar)
{
case '0': vWriteData(0x30);break;
case '1': vWriteData(0x31);break;
case '2': vWriteData(0x32);break;
case '3': vWriteData(0x33);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; //输入扫描电位,并屏蔽高4位。
if(ucTemp!=0x0F)
{ //判断该列是否有按键按下。
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;
}
}
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,低位为列号。
}
void vKeyProcess(unsigned char ucKeyCode)
{
SendCommand(0xC4+uc_ClickCount);
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('3');temp=3;break;
case 12:vShowOneChar('0');temp=0;break;
SendCommand(0xc4+uc_ClickCount);
SendCommand(0x0f);
}
switch(ucKeyCode)
{
case 44:/*vShowOneChar('c');*/temp=12;break; //'/'
case 34:/*vShowOneChar('d')*/temp=13;break; //'清除'
case 24:/*vShowOneChar('e')*/temp=14;break; //'下调'
case 14:/*vShowOneChar('f')*/temp=15;break; //'上调'
case 13:/*vShowOneChar('b');*/temp=11;break; //'返回'
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)
{ 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;
}
}
}
}
//点滴速度控制子程序流程:
void int_timer0(void)
{
TMOD=0X10;
TMOD=0X01;
TH0=0X3C;
TL0=0XB0;
TH1=0X3C;
TL1=0XB0;
ET1=1;
TR1=1;
ET0=1;
TR0=1;
EA=1;
IT1=1;
EX1=1;
}
void Timer1() interrupt 3
{
TH1=0X3c;
TL1=0Xb0;
pt++; //控制速度
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; //角度重置
}
}
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(12,0,lcd3[speed%10]);
DisplayOneChar(10,1,lcd3[xx/100]);
DisplayOneChar(11,1,lcd3[xx%100/10]);
DisplayOneChar(12,1,lcd3[xx%10]);
SendCommand(0xC4+uc_ClickCount);}
getspeed();
cott=0;
}
}
void stdisplay()
{
DisplayListChar(0,0,lcdnow);
DisplayListChar(0,1,lcdset);
DisplayOneChar(14,0,0x4f);
DisplayOneChar(15,0,0x46);
DisplayListChar(8,0,"S:");
DisplayListChar(8,1,"T:");
}
void main(void)
{
delay_50ms(1);
int_timer0();
InitLcd();
P23=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(speedct<=(speedcd-5))
{moto=1;flag=0;}
else
flag=1;
}
void bleep()
{
if(a_ac==1)
{if(bleept==1)
P23=0;
if(bleept==0)
P23=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_ck[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[2]=speed/100;
speed_bcd[1]=speed%100/10;
speed_bcd[0]=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[speedcd/100]);
DisplayOneChar(5,1,lcd3[speedcd%100/10]);
DisplayOneChar(6,1,lcd3[speedcd%10]);
SendCommand(0xC4+uc_ClickCount);
}
}
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