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补交作业！！！！！
adc0831电路图
下面是adc0831程序51单片机源代码：
- #include <reg52.h>
- #include <intrins.h>
- #define uint unsigned int
- #define uchar unsigned char
- sbit ser=P1^0;
- sbit sck=P1^1;
- sbit rck=P1^2;
- sbit lcdrs=P1^4;
- sbit lcdrw=P1^5;
- sbit lcden=P1^6;
- sbit dat=P2^2;
- sbit sclk=P2^1;
- sbit cs=P2^0;
- sbit rled=P2^6;
- sbit gled=P2^7;
- uchar e,f,g;
- void delay(uint a)
- {
- uint x,y;
- for(x=a;x>0;x--)
- for(y=110;y>0;y--);
- }
- unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
- void timeinit()
- {
- TMOD=0x21;
- TH1=0XFD;
- TH1=0XFD;
- TH0=(65536-50000)/256;
- TL0=(65536-50000)%256;
- EA=1;
- TR1=1;
-
-
- ET0=1; TR0=1;
- }
- uchar adc0831()
- {
- uint i,temp;
- dat=1;
- _nop_();
- _nop_(); sclk=0;
- _nop_();
- _nop_();
- cs=0;
- _nop_();
- _nop_();
- sclk=1;
- _nop_();
- _nop_();
- sclk=0;
- _nop_();
- _nop_();
- sclk=1;
- _nop_();
- _nop_(); sclk=0;
- for(i=0;i<8;i++)
- {
-
- _nop_();
- _nop_();
- temp=temp<<1;
- if(dat)
- temp=temp|dat;
- sclk=1;
- _nop_();
- _nop_();
- sclk=0;
- }
- cs=1;
- return (temp);
- }
- void lcdwrite_com(uchar com)
- {
- lcdrs=0;
- lcdrw=0;
- P0=com;
- delay(15);
- lcden=1;
- delay(15);
- lcden=0;
- }
- void lcdwrite_date(uchar date)
- {
- lcdrs=1;
- lcdrw=0;
- P0=date;
- delay(15);
- lcden=1;
- delay(15);
- lcden=0;
- }
- void lcd1602_init()
- {
- lcden=0;
- lcdwrite_com(0x38);
- lcdwrite_com(0x0f);
- lcdwrite_com(0x06);
- lcdwrite_com(0x01);
- lcdwrite_com(0x80);
- }
- void lcd1602_gd()
- {
- lcdwrite_date(0x30+1);lcdwrite_com(0x80+0x01);lcdwrite_date(':');
- lcdwrite_com(0x80+0x07);lcdwrite_date('v');
- lcdwrite_com(0x80+0x09);
- lcdwrite_date(0x30+2); lcdwrite_com(0x80+0x0a);lcdwrite_date(':');
- lcdwrite_com(0x80+0x40);
- lcdwrite_date(0x30+3); lcdwrite_com(0x80+0x41);lcdwrite_date(':');
- lcdwrite_com(0x80+0x49);
- lcdwrite_date(0x30+4); lcdwrite_com(0x80+0x4a);lcdwrite_date(':');
- }
- void lcd1602_ry()
- {
- uint i,ad,jg1,jg2,jg3,jg4;
- ad=adc0831();
- // ad=ad/51*100;
- jg1=ad/51;
- jg2='.';
- jg3=ad%51*10/51;
- jg4=ad%51*10%51*10/51;
- lcdwrite_com(0x80+0x03);
- lcdwrite_date(0x30+jg1);
- lcdwrite_date(jg2);
- lcdwrite_date(0x30+jg3);
- lcdwrite_date(0x30+jg4);
-
- }
- void senddata(uchar a)
- {
- uchar x,i;
- x=a;
- for(i=0;i<8;i++)
- {
- ser=(bit)(x&0x80);
- x=x<<1;
- sck=0;
- delay(1);
- sck=1;
- }
- rck=0;
- delay(1);
- rck=1;
- }
- void main()
- {
- timeinit();
- lcd1602_init();
- lcd1602_gd(); // lcd1602_ry();
- while(1)
- {
- senddata(table[f]);
- if((f%2)==0)
- {
- rled=1;
- gled=0;
- }
- else
- {
- rled=0;
- gled=1;
- }
- //
- if(f) lcd1602_ry();//while(1);
- }
- }
-
- void time0()interrupt 1
- {
- TH0=(65536-50000)/256;
- TL0=(65536-50000)%266;
- e++; g=!g;
- if(e>=20)
- {
- e=0;
- f++;
-
- if(f>9)f=0;
- }
- }
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