PWM脉宽调制-OK.txt

/*
 * File:   lab16F877A-PWM.c
 * Author: Administrator
 *
 * Created on April 11, 2019, 5:37 PM
 */

#pragma config FOSC = HS        // Oscillator Selection bits (HS oscillator)
#pragma config WDTE = OFF       // Watchdog Timer Enable bit (WDT disabled)
#pragma config PWRTE = OFF      // Power-up Timer Enable bit (PWRT disabled)
#pragma config BOREN = OFF      // Brown-out Reset Enable bit (BOR disabled)
#pragma config LVP = OFF        // Low-Voltage (Single-Supply) In-Circuit Serial Programming Enable bit (RB3 is digital I/O, HV on MCLR must be used for programming)
#pragma config CPD = OFF        // Data EEPROM Memory Code Protection bit (Data EEPROM code protection off)
#pragma config WRT = OFF        // Flash Program Memory Write Enable bits (Write protection off; all program memory may be written to by EECON control)
#pragma config CP = OFF         // Flash Program Memory Code Protection bit (Code protection off)

// #pragma config statements should precede project file includes.
// Use project enums instead of #define for ON and OFF.
#include <xc.h>
#define _XTAL_FREQ 16000000
void main(void) 
{   TRISC=0X00;
    PORTCbits.RC2=0;
    TRISD=0X00;
    PORTD=0XFF;
    CCP1CON=0X0F;//XUAN ZE  PWM MODE
    PR2=0XFF;//DING YI  ZHOU QI  JI CUN QI 
    CCPR1H=0X07;
    CCPR1L=0X08;
    T2CON=0B00000101;