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標(biāo)題: 為何ADC顯示不出來(lái) pic單片機(jī) [打印本頁(yè)]

作者: qiweiaitian 時(shí)間: 2017-2-8 20:25
標(biāo)題: 為何ADC顯示不出來(lái) pic單片機(jī)
#include <pic.h>
#define uchar unsigned char
#define uint  unsigned int
__CONFIG(0x3B31);
void init(void);
void init();
void delay(int x);
void disp(uchar num1,uchar num2,uchar num3,uchar num4);
uint get_ad();
unsigned char table[]={0b11000000,0b11111001,0b10100100,
            0b10110000,0b10011001,0b10010010,0b10000010,
            0b11111000,0b10000000,0b10010000};  //字形碼數(shù)組
void main()
{
      uint lednum;
      uchar a1,a2,a3,a4;
      init();

      while(1)
      {
      lednum=get_ad();
      a1=lednum/1000;
      a2=lednum&1000/100;
      a3=lednum&100/10;
      a4=lednum&10;
      disp(a1,a2,a3,a4);
      }
}
void init()
{
      TRISA0=1,
      TRISD=0;
      TRISC=0;
      PORTA=0;
      PORTC=0;
      PORTD=0;
      ADCON1=0x8e;
      ADCON0=0x41;
      delay(10);
}
uint get_ad()
{
      uint adval;
      GO=1;
      while(GO);
      adval=ADRESH;
      adval=adval<<8|ADRESL;
      return (adval);
}
void disp(uchar num1,uchar num2,uchar num3,uchar num4)
{
PORTC=table[num1];
PORTD=0x08;
delay(2);
PORTC=table[num1];
PORTD=0x04;
delay(2);
PORTC=table[num1];
PORTD=0x02;
delay(2);
PORTC=table[num1];
PORTD=0x01;
delay(2);
}
void delay (int x)
{
      uint a,b;
      for(a=x;a>0;a--)
            for(b=110;b>0;b--);
}

作者: sZhou 時(shí)間: 2020-3-1 09:46
沒(méi)有在你的main函數(shù)看到ADC函數(shù)加進(jìn)去啊！

？

歡迎光臨 (http://www.denmoz.com/bbs/)

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