1.c

PIC16F877应用的AD转换主程序 并可以通过LCD显示

#include <pic.h>
int i,j;
/* unsigned char xianshi[]={0x3f,0x06,0x5b,0x4f,0x66, 
                  /*       0x6d,0x7d,0x07,0x7f,0x6f};  */

void SPIinitial()
{   TRISE=TRISE&0xf2;
    TRISC=TRISC&0xd7;
    SSPCON=0x30;
	SSPSTAT=0xc0;
    SSPIF=0;
}

void SPILED(char data)
{
       SSPBUF=data;
       do
          {  
            
           }while(SSPIF==0);
      SSPIF=0;
}

/*void display()
{
     
     unsigned char data;
     
     RE1=0;
     data=xianshi[1];
     SPILED(data);
     RE1=1;
}*/

void initial()
{    INTCON=0x00;
     ADCON1=0x07;
 }

main()
{    TRISD=0x00;
     /*RB4=1;*/
     initial();
     SPIinitial();
    /* display();*/
     while(1)
     {  PORTD=SSPBUF;
            
      }
}