picAD.rar_PIC_PIC AD proteus_PICad

#include<pic.h> #define uchar unsigned char #define uint unsigned int __CONFIG(0x3B31); const uchar table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};//共阳码 const uchar table1[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd, 0x87,0xff,0xef};//带小数点的共阳码 void delay(uint x) { uint a,b; for(a=x;a>0;a--) for(b=110;b>0;b--); } void disp(uchar num1,uchar num2,uchar num3,uchar num4) { PORTC=0x01;//0010 0000 PORTB=~table1[num1];//显示第一个数码管 delay(2); PORTC=0x02;//0001 0000 PORTB=~table[num2];//显示第二个数码管 delay(2); PORTC=0x04;//0000 1000 PORTB=~table[num3];//显示第三个数码管 delay(2); PORTC=0x08;//0000 0100 PORTB=~table[num4];//显示第四个数码管 delay(2); } void into() { TRISB=0; PORTB=0; TRISC=0; PORTC=0; TRISA=0X01; PORTA=0; ADCON0=0X41; ADCON1=0X0E; delay(10); } uint get_ad() { uint adval;//十六位的数要用 uint来存储 float advalf; ADGO=1; while(ADGO); adval=ADRESH;//00000000 00000011 advalf=adval/255.0*5;//注意，在这句话中255要加“.0”是因为结果出来要是浮点数 adval=advalf*1000; return (adval); } void main() { uint i; uint a,b,c,d; into(); while(1) {i=get_ad(); a=i/1000; b=i%1000/100; c=i%100/10; d=i%10; disp(a,b,c,d); } }