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/*
PIC16F690

/* STANDARD INCLUDES */
#include <stdio.h>
#include <stdlib.h>
#include <pic.h>
#include <string.h>
#include "delay.h"

/* CONFIGURATION MACRO */
__CONFIG(INTIO & WDTDIS & PWRTDIS & MCLRDIS & UNPROTECT & BORDIS & IESODIS & FCMDIS);

/* ------------------------------------ MAIN ----------------------------------------*/

/* MAIN APPLICATION */
void main (void)
{
	INTCON=0;	// disable the interrupts
	PORTC = 0x00; // turn all PORTC off

	// setup Timer0	for Clock
	OPTION = 0b0000;	// prescale by 2

	T0IF = 0; // clear timer interrupt flag
	T0IE = 1; // start timer interrupt
	
	// setup PWM output to 38khz
	CCP1CON=0;
	TMR2=0;
	PR2=0x18;			// 38khz period
	CCPR1L=0x09;  		// 50% duty cycle

	TRISC = 0x11110000;
	TRISA = 0b11111111;
	TMR2ON=1;
	
	// Enable Interrupts
	PIE1 = 1;
	PEIE = 1;
	GIE = 1; // enable global interrupts
	
	CCP1CON=0b00001100; 
	while(1){
		if(RC5){
			PSTRCON=0b00000000;
		} else {
			PSTRCON=0b00001100;
		}
	}
}

Kod: Markera allt

/*
PIC16F690

/* STANDARD INCLUDES */
#include <stdio.h>
#include <stdlib.h>
#include <pic.h>
#include <string.h>
#include "delay.h"

/* CONFIGURATION MACRO */
__CONFIG(INTIO & WDTDIS & PWRTDIS & MCLRDIS & UNPROTECT & BORDIS & IESODIS & FCMDIS);

/* ------------------------------------ MAIN ----------------------------------------*/

/* MAIN APPLICATION */
void main (void)
{
	INTCON=0;	// disable the interrupts
	PORTC = 0x00; // turn all PORTC off

	// setup Timer0	for Clock
	OPTION = 0b0000;	// prescale by 2

	T0IF = 0; // clear timer interrupt flag
	T0IE = 1; // start timer interrupt
	
	// setup PWM output for 38khz output for 1-bit's (uses Timer2)
	CCP1CON=0;
	TMR2=0;
	PR2=0x18;			// 38khz period
	CCPR1L=0x09;  		// about 50% duty cycle

	TRISC = 0x11110000;
	TRISA = 0b11111111;
	TMR2ON=1;
	
	CCP1CON=0b00001100; 
	while(1){
		if(RC5){
			PSTRCON=0b00001100;
		} else {
			PSTRCON=0b00000000;
		}
	}
}

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/*
PIC16F690

(c) Kalle Sandberg 2009

IR-Repeater, Reads input on RB6 from IR-Module and 
outputs 38kHz modulated signal to IR-leds on RC2 & RC3
 /*

/* STANDARD INCLUDES */
#include <stdio.h>
#include <stdlib.h>
#include <pic.h>

/* CONFIGURATION MACRO */
__CONFIG(INTIO & WDTDIS & PWRTDIS & MCLRDIS & UNPROTECT & BORDIS & IESODIS & FCMDIS);

/* ------------------------------------ MAIN ----------------------------------------*/

/* MAIN APPLICATION */
void main (void)
{
	INTCON=0;			// disable the interrupts
	PORTC = 0x00; 		// turn all PORTC off before initiating PWM

	// Setup PWM for 38kHz output
	CCP1CON=0;
	TMR2=0;				// Turn off timer2 before setup
	PR2=0x18;			// 38kHz period
	CCPR1L=0x09;  		// about 50% duty cycle

	TRISC = 0x11110011; // Set RC3 & RC4 as outputs
	TRISB = 0b11111111; // Set all RB as inputs
	TMR2ON=1; 			// Turn on timer2 for PWM
	
	CCP1CON=0b00001100; // Set up PWM as single mode

	// Read input and toggle PWM on/off
	while(1){
		if(RB6){ 		// TSOP4838 = Active low
			PSTRCON=0b00000000; // Turn PWM off
		} else {
			PSTRCON=0b00001100; // Turn PWM on
		}
	}
}