单片机控制ADC0804检测运放TL084的电压仿真

relchhiclty · 发表于 2019-1-4 14:08

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单片机控制ADC0804检测运放TL084的电压仿真
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下面这个是整体单片机系统的原理图：$ z5 d: X/ X6 S9 P
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adc0804检测电压部分原理图：
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运放TL084产生电压部分的仿真：
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4 i, v- ?' ^' V3 d* @/ x单片机汇编语言程序：
ORG 00H
ANL P1,#0F0H
START: MOVX @R0,A

WAIT: JB P2.0,ADC
   CALL DISP
   JMP WAIT

ADC: MOVX A,@R0
   CALL L1
   MOV R1,#0FFH

DISP1: CALL DISP
   DJNZ R1,DISP1
   JMP START

L1: CLR C
MOV R5,#00H
MOV R4,#00H
MOV R3,#08H

NEXT: RLC A
   MOV R2,A
   MOV A,R5
   ADDC A,R5
   DA A
   MOV R5,A
   MOV A,R4
   ADDC A,R4
   MOV R4,A
   MOV A,R2
   DJNZ R3,NEXT
   MOV R7,#02

L2: MOV A,R5
ADD A,R5
DA A
MOV R5,A
MOV A,R4
DA A
MOV R4,A
DJNZ R7,L2
RET

DISP: MOV A,R5
   ANL A,#0FH
   ORL A,#10H
   MOV P1,A
   CALL DELAY
   MOV A,R5
   ANL A,#0F0H
   SWAP A
   ORL A,#20H
   MOV P1,A
   CALL DELAY
   MOV A,R4
   ANL A,#0FH
   ORL A,#40H
   MOV P1,A
   CALL DELAY
   MOV A,R4
   ANL A,#0F0H
   SWAP A
   ORL A,#80H
   MOV P1,A
   CALL DELAY
   CLR A
   RET

DELAY: MOV R6,#10

D1: MOV R7,#248
DJNZ R7,$
DJNZ R6,D1
RET
END

c语言程序：
#include"at89X52.h"
sbit LCD_RS =P2^0;
sbit LCD_RW =P2^1;
sbit LCD_E =P2^2;
sbit ADC_CS =P2^3;
sbit ADC_WR =P3^6;
sbit ADC_RD =P3^7;
#define LCD_DATA P0
unsigned char LcdBuf1[10]="";

unsigned char code Bmp001[][8]=
{
  {0x06,0x09,0x09,0x06,0x00,0x00,0x00,0x00},
  {0x06,0x09,0x10,0x10,0x10,0x09,0x06,0x00}
};

void dellay(unsigned int h)
{
  while(h--); //0.01MS
}

void WriteDataLcd(unsigned char wdata)
{
  LCD_DATA=wdata;
  LCD_RS=1;
  LCD_RW=0;
  LCD_E=0;
  dellay(1000);
  LCD_E=1;

}

void WriteCommandLcd(unsigned char wdata)
{
  LCD_DATA=wdata;
  LCD_RS=0;
  LCD_RW=0;
  LCD_E=0;
  dellay(1000);
  LCD_E=1;
}

void lcd_init(void)
{
  LCD_DATA=0;
  WriteCommandLcd(0x38);
  dellay(1000);
  WriteCommandLcd(0x38);
  dellay(1000);
  WriteCommandLcd(0x01);
  WriteCommandLcd(0x0c);

}

void display_xy(unsigned char x,unsigned char y)
{
  if(y==1)
x+=0x40;
x+=0x80;
WriteCommandLcd(x);
}

void display_string(unsigned char x,unsigned char y,unsigned char *s)
{
  display_xy(x,y);
  while(*s)
{
   WriteDataLcd(*s);
   s++;

}

}

void Write_CGRAM(unsigned char add,unsigned char *char_num)
{
  unsigned i;
  add=add<<3;
  WriteCommandLcd(0x40|add+8);
  for(i=0;i<8;i++)
{
   WriteDataLcd(*char_num++);

}

}

void delayms()
{
  int i;
  for(i=110;i>0;i--);

}
void delay1s()
{
  int i,j;
  for(i=1000;i>0;i--);
for(j=110;j>0;j--);
}

void convert()
{
  unsigned long value;
  char i;
  unsigned long res;
  int temp,temp2;
  int w;
  P1=0xff;
  ADC_RD=0;
  for(i=0;i<10;i++);
  value=P1;
  res=(float)(2550000+110000*value/30)/(2550-11*value/30);
  temp=(float)(res*10000-10000000)/3851-545;
  temp2 = temp;
  if(temp >= 0)
  {
  for(i=6;temp>0;i--)
{
   LcdBuf1=temp%10+48;
; E( @+ Q- r& A8 }- i8 t! B temp/=10;
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  }
: I' }, @1 d0 R* r. g' w- Z  if(temp < 0 )
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6 U+ T+ _8 p  h  Ww= -temp;
+ R( l2 n0 G- _8 ]& e' k    for(i=6;w>0;i--)6 t  B8 z. s3 v! ?
{
1 B) \, i+ ^) ~- O" `* \% C    LcdBuf1=w%10+48;
/ V) |1 s8 g: N2 o4 U0 a* r6 O6 B w/=10;2 d+ ~& E  k+ n' K* I1 k1 u
}
$ r0 w% V3 [' {}
& p; ]2 ]6 O4 b8 g! d  if(i>=0&&temp<0)1 l9 b0 z  j) l! q# E+ S% J
  {
, R* F, C3 m- r, v/ a% u    if(temp > -10)1 M) r' h& Y/ h" F2 j8 v
  {
/ t, P% ^0 _8 ^5 E. L( g$ C  LcdBuf1 = '0';0 T. I1 {: u$ n/ b/ a; q2 J
  i--;. ^7 i7 [( x, l9 _" F8 D7 J
  }9 A. X$ C) S( k: i
  LcdBuf1 = '-';
9 U2 O+ R8 [; j, f. o  i--; * ^+ x. @; ~) h! ], z: w1 H
/* if(i==5): S3 m0 e4 g: X
  {
3 F) q/ {: U  S  LcdBuf1[5] = '0';
4 u5 _; O8 T0 q  i --;
3 i5 J. J; d. m5 j3 J0 ~% G% @  }; f; E" j" y* O. O1 Z
  LcdBuf1[4] = '-';2 v! i$ u" t8 e4 _: [2 y' q3 F! q6 a
  i--;  */
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5 L& }  G" K/ ~* p  }
3 v4 P  q2 n" |  for(;i>=0;i--)' q7 z9 \! L9 E/ h2 w
  LcdBuf1=' ';5 Q7 t1 t; R$ k2 c0 _& s
  for(i=0;i<5;i++): `: L" o1 i2 S  l4 r- x
  LcdBuf1=LcdBuf1[i+1];
/ V* ~& s" c: N3 ~2 v  if(LcdBuf1[4]==' ')LcdBuf1[4]='0'; : H7 k4 @* M4 s- B; R# d
  LcdBuf1[5]='.';
! O/ C; |/ k' V9 o! R  LcdBuf1[7]=1;
8 E% o) G' s. z4 }6 a9 Y8 ?  LcdBuf1[8]='C';* b0 [0 F3 ]9 ?& X' E* |5 }: E% h
  WriteCommandLcd(0x84);
* w* D/ [- Y3 b  display_string(3,0,LcdBuf1);9 m' O: A' O) R6 B
  ADC_RD=1;
6 E/ m' `- F" t# T; i$ M* o  ADC_WR=0;1 _" `% \0 e; M0 `
  for(i=0;i<10;i++)- B- t# \. n- d6 C; H: ^7 E+ M; Z
  ADC_WR=1;
; c/ Q) z8 z% E0 \# E" e; M  delayms();
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- B, C$ J" m! l  m2 H0 O6 {, l. Qmain()% P$ P2 q2 I5 d
{: v* G+ a! x1 r: e6 Q3 I. e) n8 u
  unsigned char i;( W5 y" ?: f8 t' N; W6 a+ h
  lcd_init();( I9 K, r9 ?. h: p- U# q6 m
  for(i=0;i<2;i++)4 J: x. C7 _0 y( N
  Write_CGRAM(i,Bmp001);
" s/ j7 C% }6 B# I1 O  ADC_CS=0;' Y- Y: w3 {/ J* w
  ADC_WR=0;
1 p+ [" A" r+ X! d& T# ^0 `+ ?  for(i=0;i<10;i++);
/ H7 @# F+ e; B- `4 f  ADC_WR=1;0 K6 H, x0 k! E. Z: M
  while(1)0 e9 X. }2 Q$ g: ]
{
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xuzwg · 发表于 2019-1-4 18:00

这个方法不错

cj223356 · 发表于 2019-3-1 17:07

很不错，谢谢楼主分享

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单片机控制ADC0804检测运放TL084的电压仿真

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