version 2.0.0-pre6: added support for ATtiny85, removed support for codevision, added...

[irmp.git] / main.c

/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * main.c - demo main module to test irmp decoder\r
 *\r
 * Copyright (c) 2009-2011 Frank Meyer - frank(at)fli4l.de\r
 *\r
 * $Id: main.c,v 1.9 2011/04/11 12:54:25 fm Exp $\r
 *\r
 * ATMEGA88 @ 8 MHz\r
 *\r
 * Fuses: lfuse: 0xE2 hfuse: 0xDC efuse: 0xF9\r
 *\r
 * This program is free software; you can redistribute it and/or modify\r
 * it under the terms of the GNU General Public License as published by\r
 * the Free Software Foundation; either version 2 of the License, or\r
 * (at your option) any later version.\r
 *---------------------------------------------------------------------------------------------------------------------------------------------------\r
 */\r
\r
#include <inttypes.h>\r
#include <avr/io.h>\r
#include <util/delay.h>\r
#include <avr/pgmspace.h>\r
#include <avr/interrupt.h>\r
\r
#include "irmpconfig.h"\r
#include "irmp.h"\r
\r
#ifndef F_CPU\r
#error F_CPU unkown\r
#endif\r
\r
void\r
timer1_init (void)\r
{\r
#if defined (__AVR_ATtiny85__)                                      // ATtiny85:\r
    OCR1A   =  (F_CPU / (2 * F_INTERRUPTS) / 2) - 1;                // compare value: 1/28800 of CPU frequency, presc = 2\r
    TCCR1   = (1 << CTC1) | (1 << CS11);                            // switch CTC Mode on, set prescaler to 2\r
#else                                                               // ATmegaXX:\r
    OCR1A   =  (F_CPU / (2 * F_INTERRUPTS)) - 1;                    // compare value: 1/28800 of CPU frequency\r
    TCCR1B  = (1 << WGM12) | (1 << CS10);                           // switch CTC Mode on, set prescaler to 1\r
#endif\r
\r
#ifdef TIMSK1\r
    TIMSK1  = 1 << OCIE1A;                                          // OCIE1A: Interrupt by timer compare\r
#else\r
    TIMSK   = 1 << OCIE1A;                                          // OCIE1A: Interrupt by timer compare\r
#endif\r
}\r
\r
int\r
main (void)\r
{\r
    IRMP_DATA irmp_data;\r
\r
    irmp_init();                                                            // initialize irmp\r
    timer1_init();                                                          // initialize timer 1\r
    sei ();                                                                 // enable interrupts\r
\r
    for (;;)\r
    {\r
        if (irmp_get_data (&irmp_data))\r
        {\r
            // ir signal decoded, do something here...\r
            // irmp_data.protocol is the protocol, see irmp.h\r
            // irmp_data.address is the address/manufacturer code of ir sender\r
            // irmp_data.command is the command code\r
            // irmp_protocol_names[irmp_data.protocol] is the protocol name (if enabled, see irmpconfig.h)\r
        }\r
    }\r
}\r