Skip to content

Instantly share code, notes, and snippets.

@esmarr58
Created December 4, 2020 02:45
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save esmarr58/88e0860567e58ee85a9dec5e52e3ac19 to your computer and use it in GitHub Desktop.
Save esmarr58/88e0860567e58ee85a9dec5e52e3ac19 to your computer and use it in GitHub Desktop.
/*
* File: main.c
* Author: Dr. Rubén Estrada Marmolejo
hetpro-store.com/TUTORIALES
Compilador: XC8
*
* Created on September 10, 2020, 11:54 AM
*/
#include <xc.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#define _XTAL_FREQ 8000000 //8 millones de oscilaciones por segundo
// CONFIG1L
#pragma config PLLDIV = 1
#pragma config CPUDIV = OSC1_PLL2// System Clock Postscaler Selection bits ([Primary Oscillator Src: /1][96 MHz PLL Src: /2])
#pragma config USBDIV = 2 // USB Clock Selection bit (used in Full-Speed USB mode only; UCFG:FSEN = 1) (USB clock source comes from the 96 MHz PLL divided by 2)
// CONFIG1H
#pragma config FOSC = INTOSC_EC // Oscillator Selection bits (Internal oscillator, XT used by USB (INTXT))
#pragma config FCMEN = OFF // Fail-Safe Clock Monitor Enable bit (Fail-Safe Clock Monitor disabled)
#pragma config IESO = OFF // Internal/External Oscillator Switchover bit (Oscillator Switchover mode disabled)
// CONFIG2L
#pragma config PWRT = ON // Power-up Timer Enable bit (PWRT enabled)
#pragma config BOR = OFF // Brown-out Reset Enable bits (Brown-out Reset disabled in hardware and software)
#pragma config BORV = 0 // Brown-out Reset Voltage bits (Maximum setting 4.59V)
#pragma config VREGEN = OFF // USB Voltage Regulator Enable bit (USB voltage regulator disabled)
// CONFIG2H
#pragma config WDT = OFF // Watchdog Timer Enable bit (WDT disabled (control is placed on the SWDTEN bit))
#pragma config WDTPS = 32768 // Watchdog Timer Postscale Select bits (1:32768)
// CONFIG3H
#pragma config CCP2MX = OFF // CCP2 MUX bit (CCP2 input/output is multiplexed with RB3)
#pragma config PBADEN = OFF // PORTB A/D Enable bit (PORTB<4:0> pins are configured as digital I/O on Reset)
#pragma config LPT1OSC = OFF // Low-Power Timer 1 Oscillator Enable bit (Timer1 configured for higher power operation)
#pragma config MCLRE = ON // MCLR Pin Enable bit (MCLR pin enabled; RE3 input pin disabled)
// CONFIG4L
#pragma config STVREN = OFF // Stack Full/Underflow Reset Enable bit (Stack full/underflow will not cause Reset)
#pragma config LVP = OFF // Single-Supply ICSP Enable bit (Single-Supply ICSP disabled)
#pragma config ICPRT = OFF // Dedicated In-Circuit Debug/Programming Port (ICPORT) Enable bit (ICPORT disabled)
#pragma config XINST = OFF // Extended Instruction Set Enable bit (Instruction set extension and Indexed Addressing mode disabled (Legacy mode))
// CONFIG5L
#pragma config CP0 = OFF // Code Protection bit (Block 0 (000800-001FFFh) is not code-protected)
#pragma config CP1 = OFF // Code Protection bit (Block 1 (002000-003FFFh) is not code-protected)
#pragma config CP2 = OFF // Code Protection bit (Block 2 (004000-005FFFh) is not code-protected)
#pragma config CP3 = OFF // Code Protection bit (Block 3 (006000-007FFFh) is not code-protected)
// CONFIG5H
#pragma config CPB = OFF // Boot Block Code Protection bit (Boot block (000000-0007FFh) is not code-protected)
#pragma config CPD = OFF // Data EEPROM Code Protection bit (Data EEPROM is not code-protected)
// CONFIG6L
#pragma config WRT0 = OFF // Write Protection bit (Block 0 (000800-001FFFh) is not write-protected)
#pragma config WRT1 = OFF // Write Protection bit (Block 1 (002000-003FFFh) is not write-protected)
#pragma config WRT2 = OFF // Write Protection bit (Block 2 (004000-005FFFh) is not write-protected)
#pragma config WRT3 = OFF // Write Protection bit (Block 3 (006000-007FFFh) is not write-protected)
// CONFIG6H
#pragma config WRTC = OFF // Configuration Register Write Protection bit (Configuration registers (300000-3000FFh) are not write-protected)
#pragma config WRTB = OFF // Boot Block Write Protection bit (Boot block (000000-0007FFh) is not write-protected)
#pragma config WRTD = OFF // Data EEPROM Write Protection bit (Data EEPROM is not write-protected)
// CONFIG7L
#pragma config EBTR0 = OFF // Table Read Protection bit (Block 0 (000800-001FFFh) is not protected from table reads executed in other blocks)
#pragma config EBTR1 = OFF // Table Read Protection bit (Block 1 (002000-003FFFh) is not protected from table reads executed in other blocks)
#pragma config EBTR2 = OFF // Table Read Protection bit (Block 2 (004000-005FFFh) is not protected from table reads executed in other blocks)
#pragma config EBTR3 = OFF // Table Read Protection bit (Block 3 (006000-007FFFh) is not protected from table reads executed in other blocks)
// CONFIG7H
#pragma config EBTRB = OFF // Boot Block Table Read Protection bit (Boot block (000000-0007FFh) is not protected from table reads executed in other blocks)
// #pragma config statements should precede project file includes.
// Use project enums instead of #define for ON and OFF.
void configuraPWM(){
//Configura frecuencia del PWM a 488Hz
PR2 = 0xFF;
//Configura el Ciclo de Trabajo al 50%
CCPR1L = 0x02;
CCP1CONbits.DC1B0 = 0;
CCP1CONbits.DC1B1 = 0;
//Configura el pin RC2 como salida para el PWM1
TRISCbits.RC2 = 0;
//Configura la pre-escala de 16
T2CONbits.T2CKPS = 3;
//Configura el funcionamiento como PWM
CCP1CONbits.CCP1M0 = 1;
CCP1CONbits.CCP1M1 = 1;
CCP1CONbits.CCP1M2 = 1;
CCP1CONbits.CCP1M3 = 1;
//LImpia el registro del TImer2 que guarda la cuenta
TMR2 = 0;
//Activa el funcionamiento del TImer2
T2CONbits.TMR2ON = 1;
}
void main(void) {
//COnfiguracion del osciladorinterno 8Mhz
OSCCON = 0b01110010;
configuraPWM();
while(1){
//Inicia ciclo infinito
//Fin ciclo infinito
}
/*
for(;;){
}
*
*/
return;
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment