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/*---------------------------------------------------------------------------------------------------------------------------------------------------
* irsndmain.c - demo main module to test irmp decoder
*
* Copyright (c) 2010 Frank Meyer - frank(at)fli4l.de
*
* ATMEGA88 @ 8 MHz
*
* Fuses: lfuse: 0xE2 hfuse: 0xDC efuse: 0xF9
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*---------------------------------------------------------------------------------------------------------------------------------------------------
*/
/*---------------------------------------------------------------------------------------------------------------------------------------------------
* uncomment this for codevision compiler:
*---------------------------------------------------------------------------------------------------------------------------------------------------
*/
// #define CODEVISION // to use Codevision Compiler instead of gcc
#ifdef CODEVISION
#include <mega88.h>
#include <stdio.h>
#define uint8_t unsigned char
#define uint16_t unsigned int
#define F_CPU 8000000 // change for Codevision here, if you use WinAVR, use Project -> Configuration Options instead
// register values from datasheet for ATMega88
#define OCIE1A 1
#define WGM12 3
#define CS10 0
#define UDRE0 5
#define TXEN0 3
#include "irmp.h"
#include "isnd.h"
#include "irmp.c"
#include "isnd.c"
#else // gcc compiler
#include <inttypes.h>
#include <avr/io.h>
#include <util/delay.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include "irmp.h"
#include "irsndconfig.h"
#include "irsnd.h"
#endif // CODEVISION
#ifndef F_CPU
#error F_CPU unkown
#endif
void
timer_init (void)
{
#ifdef CODEVISION
OCR1AH = ((F_CPU / F_INTERRUPTS) >> 8) & 0xFF; // compare value: 1/10000 of CPU frequency (upper byte)
OCR1AL = ((F_CPU / F_INTERRUPTS) - 1) & 0xFF; // compare value: 1/10000 of CPU frequency (lower byte)
#else // gcc
OCR1A = (F_CPU / F_INTERRUPTS) - 1; // compare value: 1/10000 of CPU frequency
#endif // CODEVISION
TCCR1B = (1 << WGM12) | (1 << CS10); // switch CTC Mode on, set prescaler to 1
#if defined (__AVR_ATmega8__) || defined (__AVR_ATmega16__) || defined (__AVR_ATmega32__) || defined (__AVR_ATmega64__) || defined (__AVR_ATmega162__)
TIMSK = 1 << OCIE1A; // OCIE1A: Interrupt by timer compare (use TIMSK for ATMEGA162)
#else
TIMSK1 = 1 << OCIE1A; // OCIE1A: Interrupt by timer compare (use TIMSK for ATMEGA162)
#endif // __AVR...
}
/*---------------------------------------------------------------------------------------------------------------------------------------------------
* timer 1 compare handler, called every 1/10000 sec
*---------------------------------------------------------------------------------------------------------------------------------------------------
*/
// Timer 1 output compare A interrupt service routine
#ifdef CODEVISION
interrupt [TIM1_COMPA] void timer1_compa_isr(void)
#else // CODEVISION
ISR(TIMER1_COMPA_vect)
#endif // CODEVISION
{
(void) irsnd_ISR(); // call irsnd ISR
// call other timer interrupt routines...
}
/*---------------------------------------------------------------------------------------------------------------------------------------------------
* MAIN: main routine
*---------------------------------------------------------------------------------------------------------------------------------------------------
*/
#ifdef CODEVISION
// This is the main routine if you use Codevision C Compiler
void
main (void)
{
IRMP_DATA irmp_data;
#pragma optsize-
// crystal oscillator division factor: 1
CLKPR=0x80;
CLKPR=0x00;
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif
irsnd_init(); // initialize irsnd
timer_init(); // initialize timer
#asm("sei"); // enable interrupts
for (;;)
{
irmp_data.protocol = IRMP_NEC_PROTOCOL;
irmp_data.address = 0x00FF;
irmp_data.command = 0x0001;
irmp_data.flags = 0;
irsnd_send_data (&irmp_data);
_delay_ms (1000);
}
}
#else // gcc
// This is the main routine if you use GCC Compiler
int
main (void)
{
IRMP_DATA irmp_data;
irsnd_init(); // initialize irsnd
timer_init(); // initialize timer
sei (); // enable interrupts
for (;;)
{
irmp_data.protocol = IRMP_NEC_PROTOCOL;
irmp_data.address = 0x00FF;
irmp_data.command = 0x0001;
irmp_data.flags = 0;
irsnd_send_data (&irmp_data, TRUE);
_delay_ms (1000);
}
}
#endif // CODEVISION / gcc
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