代码：
- /*
- * File: newmain.c
- * Author: Administrator
- *
- * Created on May 29, 2024, 3:29 PM
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <xc.h>
- #include <string.h>
- #pragma config POSCMOD= XT
- #pragma config OSCIOFNC= OFF
- #pragma config FCKSM= CSDCMD
- #pragma config FNOSC= FRCDIV
- #pragma config IESO= ON
- #pragma config WDTPS= PS32768
- #pragma config FWPSA= PR128
- #pragma config WINDIS= OFF
- #pragma config FWDTEN= ON
- #pragma config ICS= PGx2
- #pragma config GWRP= OFF
- #pragma config GCP= OFF
- #pragma config JTAGEN= OFF
- /*
- *
- */
- #define POT 5
- #define AINPUTS 0XFFDF
- void delay(void)
- {
- int i,j;
- for(i=0;i<200;i++)
- for(j=0;j<200;j++)
- ;
- }
- void initADC(int amask)
- {
- AD1PCFG=amask;
- //AD1CON1=0X00E0;
- AD1CON1=0X0000;
- AD1CSSL=0;
- AD1CON2=0;
- AD1CON3=0X1F04;
- AD1CON1bits.ADON=1;
-
- }
- int readADC(int ch)
- {
- AD1CHS=ch;
- AD1CON1bits.SAMP=1;
-
- ///////////////////////////
- TMR1=0;
- //PORTA=1;
- while(TMR1<100);
- PORTA=2;
- AD1CON1bits.SAMP=1;
- <font color="#ff0000"> while(!AD1CON1bits.DONE);</font>
- TMR1=0;
- while(TMR1<200);
- PORTA=4;
- return ADC1BUF0;
- }
- void main(void)
- {
- int a;
-
- initADC(AINPUTS);
- TRISA=0xff00;
- TRISE=0;
- //TRISBbits.TRISB5=1;
- T1CON=0X8020;
- while(1)
- {
-
- a=readADC(POT);
- a=(a>>2);
- //PORTE=(unsigned char)(a);
- }
- }
芯片是pic24fj128ga010,环境是xc16.
请问高手，怎么回事？谢谢！
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