?? main.c
字號:
//include
#include<math.h>
#include<absacc.h>
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
#define valve 10
//sbit dat = P3^5;
//sbit key = P3^2;
//sbit cls = P3^4;
//sbit clk = P3^3;
sbit dat = P1^4;
sbit key = P1^5;
sbit cls = P1^6;
sbit clk = P1^7;
sbit DQ = P1^0;
sbit ad_busy =P3^3;
uchar A[4]={0,2,0,0};
uchar arrAD[4]={0,0,0,0};
uchar AIndex=0;
uchar xdata *da=0xA000;
uchar xdata *ad=0x9FF8;
uchar adin()
{
uchar i=0;
*ad=0;
i=1;//for delay
i=1;//for delay
i=1;//for delay
while(ad_busy==1)
{;}
return *ad;
}
void delay(int num)
{
while(num--);
}
void delay50us(uint num)
{
uint i,j;
for(i=0;i<num;i++)
for(j=0;j<6;j++)
;
}
void senddata(uchar data1)
{
uchar tempdata,i;
tempdata=data1;
cls=0;
delay50us(1);
for(i=0;i<8;i++)
{
dat=(tempdata & 0x80)>>7;
clk=1;
tempdata=tempdata<<1;
delay(1);
clk=0;
delay(1);
}
dat=0;
}
uchar keyscan()
{
uchar i,tempdata=0;
if(key==0)
{
senddata(0x15);
dat=1;
delay50us(1);
for(i=0;i<8;i++)
{
clk=1;
delay(1);
tempdata=(tempdata<<1) | dat;
clk=0;
delay(1);
}
dat=0;
return tempdata;
}
else
return 0xFF;
}
//一些列的延時函數,都是在晶振頻率為12MHz的情況下使用的
void delay1ms(uint num)
{
uint i;
while((num--!=0)&&(keyscan()==0xFF))
{
for(i=0;i<72;i++)
;
}
}
void initkey()
{
P1=0xFF;
delay1ms(25);
senddata(0xA4);
cls=1;
}
//setup at startup
void Mission1()
{
uchar key1=0;
uchar tmpA[4]={0,0,0,0};
uint tmp=0;
A[0]=0;
A[1]=2;
A[2]=0;
A[3]=0;
AIndex=0;
//send 0 to DA
*da=10;
while(key1!=0x05)
{
//show 1D 0200
senddata(0xCF);
senddata(0x01);//display "1" in the 8th
senddata(0xCE);
senddata(0x0D);//display "d" in the 7th
senddata(0x85);
senddata(0x0F);//display " " in the 6th
senddata(0x84);
senddata(0x0F);//display " " in the 5th
senddata(0x83);
senddata(A[3]);//display thousand in the 4th
senddata(0x82);
senddata(A[2]);//display hundred in the 3th
senddata(0x81);
senddata(A[1]);//display ten in the 2th
senddata(0x80);
senddata(A[0]);//display one in the 1th
senddata(0x88);
senddata(~(0x01<<AIndex));//flash
key1=keyscan();
if(key1!=0xFF)
{
while(keyscan()!=0xFF)
;
tmpA[0]=A[0];
tmpA[1]=A[1];
tmpA[2]=A[2];
tmpA[3]=A[3];
}
switch(key1)
{
case 1://add 1
if(tmpA[AIndex]==9)
{
tmpA[AIndex]=0;
}
else
tmpA[AIndex]=tmpA[AIndex]+1;
tmp=tmpA[3]*1000+tmpA[2]*100+tmpA[1]*10+tmpA[0];
if((tmp<=2000)&&(tmp>=20))
A[AIndex]=tmpA[AIndex];
break;
case 2://minus 1
if(tmpA[AIndex]==0)
{
tmpA[AIndex]=9;
}
else
tmpA[AIndex]=tmpA[AIndex]-1;
tmp=tmpA[3]*1000+tmpA[2]*100+tmpA[1]*10+tmpA[0];
if((tmp<=2000)&&(tmp>=20))
A[AIndex]=tmpA[AIndex];
break;
case 3://move left
if(AIndex==3)
{
AIndex=0;
}
else
AIndex=AIndex+1;
break;
case 4://move right
if(AIndex==0)
{
AIndex=3;
}
else
AIndex=AIndex-1;
break;
}
}
}
void Mission2()
{
uchar key1=0;
uchar cAD=0;
uint iAD=0;
uint iDA=0;
uchar cDA=0;
uchar cSendDA=0;
senddata(0x88);
senddata(0xFF);//stop flash
*da=1;//send 10 to DA when the program start run.
cSendDA=A[3]*100+A[2]*10+A[1]+((A[0]>=5)?1:0);
while(key1!=0x05)
{
//get AD0 and show in the 8765 LED
delay1ms(500);
cAD=adin();
//cAD=cDA;
//iAD=(int)((int)cAD/255*2000);
//去抖動
/*iAD=arrAD[3]*1000+arrAD[2]*100+arrAD[1]*10+arrAD[0];
if(abs(iAD-(int)cAD*10)>valve)
{
iAD=cAD*10;
arrAD[3]=(uchar)(iAD/1000);
iAD=iAD%1000;
arrAD[2]=(uchar)(iAD/100);
iAD=iAD%100;
arrAD[1]=(uchar)(iAD/10);
iAD=iAD%10;
arrAD[0]=(uchar)iAD;
}
*/
iAD=cAD*10;
arrAD[3]=(uchar)(iAD/1000);
iAD=iAD%1000;
arrAD[2]=(uchar)(iAD/100);
iAD=iAD%100;
arrAD[1]=(uchar)(iAD/10);
iAD=iAD%10;
arrAD[0]=(uchar)iAD;
//show AD in 8765 LED
senddata(0x87);
senddata(arrAD[3]);//display thousand in the 8th
senddata(0x86);
senddata(arrAD[2]);//display hundred in the 7th
senddata(0x85);
senddata(arrAD[1]);//display ten in the 6th
senddata(0x84);
senddata(arrAD[0]);//display one in the 5th
senddata(0x83);
//show setting in 4321 LED
senddata(A[3]);//display thousand in the 4th
senddata(0x82);
senddata(A[2]);//display hundred in the 3th
senddata(0x81);
senddata(A[1]);//display ten in the 2th
senddata(0x80);
senddata(A[0]);//display one in the 1th
if(cAD<(A[3]*100+A[2]*10+A[1]+(A[0]>=5?1:0)))
{
if(cSendDA<230)
cSendDA=cSendDA+1;
}
else if(cAD>(A[3]*100+A[2]*10+A[1]+((A[0]>=5)?1:0)))
{
if(cSendDA>1)
cSendDA=cSendDA-1;
}
//send to DA
iDA=A[3]*1000+A[2]*100+A[1]*10+A[0];
//iDA=A[3]*100+A[2]*10+A[1];
//cDA=iDA/2000*255;
//cDA=A[3]*100+A[2]*10+A[1];
*da=cSendDA;
key1=keyscan();
if(key1!=0xFF)
{
while(keyscan()!=0xFF)
;
}
switch(key1)
{
case 1://add 1mA
if(iDA<=1999)
{
iDA=iDA+1;
A[3]=(uchar)(iDA/1000);
iDA=iDA%1000;
A[2]=(uchar)(iDA/100);
iDA=iDA%100;
A[1]=(uchar)(iDA/10);
iDA=iDA%10;
A[0]=iDA;
}
cSendDA=A[3]*100+A[2]*10+A[1]+((A[0]>=5)?1:0);
break;
case 2://minus 1mA
if(iDA>=21)
{
iDA=iDA-1;
A[3]=(uchar)(iDA/1000);
iDA=iDA%1000;
A[2]=(uchar)(iDA/100);
iDA=iDA%100;
A[1]=(uchar)(iDA/10);
iDA=iDA%10;
A[0]=iDA;
}
cSendDA=A[3]*100+A[2]*10+A[1]+((A[0]>=5)?1:0);
break;
case 3://add 100mA
if(iDA<=1900)
{
iDA=iDA+100;
A[3]=(uchar)(iDA/1000);
iDA=iDA%1000;
A[2]=(uchar)(iDA/100);
iDA=iDA%100;
A[1]=(uchar)(iDA/10);
iDA=iDA%10;
A[0]=iDA;
}
cSendDA=A[3]*100+A[2]*10+A[1]+((A[0]>=5)?1:0);
break;
case 4://minus 100mA
if(iDA>=120)
{
iDA=iDA-100;
A[3]=(uchar)(iDA/1000);
iDA=iDA%1000;
A[2]=(uchar)(iDA/100);
iDA=iDA%100;
A[1]=(uchar)(iDA/10);
iDA=iDA%10;
A[0]=iDA;
}
cSendDA=A[3]*100+A[2]*10+A[1]+((A[0]>=5)?1:0);
break;
case 6://add 10mA
if(iDA<=1990)
{
iDA=iDA+10;
A[3]=(uchar)(iDA/1000);
iDA=iDA%1000;
A[2]=(uchar)(iDA/100);
iDA=iDA%100;
A[1]=(uchar)(iDA/10);
iDA=iDA%10;
A[0]=iDA;
}
cSendDA=A[3]*100+A[2]*10+A[1]+((A[0]>=5)?1:0);
break;
case 7://minus 10mA
if(iDA>=30)
{
iDA=iDA-10;
A[3]=(uchar)(iDA/1000);
iDA=iDA%1000;
A[2]=(uchar)(iDA/100);
iDA=iDA%100;
A[1]=(uchar)(iDA/10);
iDA=iDA%10;
A[0]=iDA;
}
cSendDA=A[3]*100+A[2]*10+A[1]+((A[0]>=5)?1:0);
break;
}
}
if(keyscan()!=0xFF)
{
while(keyscan()!=0xFF)
;
}
}
void main()
{
initkey();
while(1)
{
Mission1();
Mission2();
}
}
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