#include <xc.h>
// CONFIG
#pragma config FOSC = INTOSC // Oscillator Selection bits (INTOSC oscillator: CLKIN function disabled)
#pragma config BOREN = OFF // Brown-out Reset Enable (Brown-out Reset disabled)
#pragma config WDTE = OFF // Watchdog Timer Enable (WDT disabled)
#pragma config PWRTE = OFF // Power-up Timer Enable bit (PWRT disabled)
#pragma config MCLRE = OFF // MCLR Pin Function Select bit (MCLR pin function is digital input, MCLR internally tied to VDD)
#pragma config CP = OFF // Code Protection bit (Program memory code protection is disabled)
#pragma config LVP = OFF // Low-Voltage Programming Enable (High-voltage on MCLR/VPP must be used for programming)
#pragma config LPBOR = OFF // Brown-out Reset Selection bits (BOR disabled)
#pragma config BORV = LO // Brown-out Reset Voltage Selection (Brown-out Reset Voltage (Vbor), low trip point selected.)
#pragma config WRT = OFF // Flash Memory Self-Write Protection (Write protection off)
#define _XTAL_FREQ 16000000
void interrupt intr(void) {
INTCONbits.TMR0IF = 0;//Timer0 Overflow Interrupt Flag Clear
TMR0 = 222;
RA2 = ~RA2;
}
int main(void) {
OSCCONbits.IRCF = 0b111;//16MHz
ANSELA = 0b000;//for Digital I/O
TRISAbits.TRISA0 = 0;//
TRISAbits.TRISA1 = 0;//
TRISAbits.TRISA2 = 0;//
//Timer0
OPTION_REGbits.PSA = 1;//Prescaler is disabled
//OPTION_REGbits.PS = 111;//1:256
OPTION_REGbits.T0CS = 0;//TMR0 Clock Source is Internal instruction cycle clock (FOSC/4)
INTCONbits.GIE = 1;//Global Interrupt Enabled
INTCONbits.PEIE = 1;//Peripheral Interrupt Enabled
INTCONbits.TMR0IE = 1;//Timer0 Overflow Interrupt Enabled
INTCONbits.TMR0IF = 0;//Timer0 Overflow Interrupt Flag Clear
TMR0 = 222;
//PWM1
PR2 = 104;
T2CONbits.TOUTPS = 0b0000;//Timer2 Output Postscaler = 1
T2CONbits.T2CKPS = 0b00;//Timer2 Clock Prescale is 1
T2CONbits.TMR2ON = 1;//Timer2 is on
PWM1DCH = 0b00110100;
PWM1DCL = 0b10;
PWM1CONbits.PWM1EN = 1;//PWM Module Enabled
PWM1CONbits.PWM1OE = 1;//Output to PWMx pin is enabled
PIR1bits.TMR2IF = 0;
while(1){
RA1 = 1;
__delay_ms(300);
RA1 = 0;
__delay_ms(300);
}
}
