单片机调频调压电路制作附源程序 -

#include "reg51.h"
#include "intrins.h"
#define GPIO_DIG P0
#define GPIO_PLACE P2
typedef unsigned char BYTE;
typedef unsigned int WORD;
sfr P0M1 = 0X93;
sfr P0M0 = 0X94;
sfr P2M1 = 0x95;
sfr P2M0 = 0x96;
sfr AUXR = 0x8e;
sfr ADC_CONTR = 0xBC;
sfr ADC_RES = 0xBD;
sfr ADC_LOW2 = 0xBE;
sfr P1ASF = 0x9D;
sfr auxr=0x8e;
WORD uu=160,x,shu=60,xue=10000;
BYTE anjian;
unsigned int num;
float vin;
unsigned int ooo,qian,bai,shi,ge;
unsigned char code DIG_PLACE[] = {0x07,0x0b,0x0d,0x0e };
unsigned char code DIG_CODE[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x80};
unsigned char j=0;
unsigned int k;
BYTE ch =0x01;
sbit q35=P3^5;
sbit q36=P3^6;
sbit q34=P3^7;
sbit q37=P3^4;
sbit anjian2=P1^7;
sbit anjian3=P1^6;
bit flag=0;
bit flag1;
void Delay(WORD n)
{
WORD x;
while (n--)
{
x = 5000;
while (x--);
}
}
void adc_isr() interrupt 5 using 1
{
ADC_CONTR &= !0x10;
num=ADC_RES;
num=num<<2|ADC_LOW2;
ADC_CONTR = 0x80 | 0x00 | 0x08 | ch;
}
void InitADC()
{
P1ASF = 0x03;
ADC_RES = 0;
ADC_CONTR = 0x80 | 0x00 | 0x08 | ch;
Delay(2);
}
void DigDisplay(unsigned char n, unsigned char number)
{
GPIO_PLACE = DIG_PLACE[n];
GPIO_DIG = DIG_CODE[number];
for(n=10;n--;n>0);
GPIO_DIG = 0x00;
}
void main()
{
q34=0;
q36=0;
q37=1;
q35=1;
P0M1 = 0x00;
P0M0 = 0xFF;
P2M1 = 0x00;
P2M0 = 0xff;
InitADC();
IE = 0xa0;
AUXR |= 0x80;
TMOD = 0x00;
TR0 = 1;
while (1)
{
uu=xue/shu;
if(!anjian2)
{
Delay(10);
if(!anjian2)
{
shu--;
if(shu<=1)
{
shu =1;
}
}
}
if(!anjian3)
{
Delay(10);
if(!anjian3)
{
shu++;
if(shu>=99)
{
shu=99;
}
}
}
EA=1;
ET1=1;
TR1=1;
TMOD=0x10;
vin=num*5.0/1024;
ooo=(int)(vin*10);
ge=ooo%10;
shi=ooo/10%10;
bai=shu%10;
qian=shu/10%10;
DigDisplay(3,shi);
DigDisplay(2,ge);
DigDisplay(1,qian);
DigDisplay(0,bai);
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