Version 2.3.1: corrected OC0A for ATmega48/88/168/328

[irmp.git] / irsndmain.c

/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * irsndmain.c - demo main module to test irsnd encoder\r
 *\r
 * Copyright (c) 2010-2012 Frank Meyer - frank(at)fli4l.de\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
#include "irsnd.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_ATtiny45__) || defined (__AVR_ATtiny85__)                // ATtiny45 / ATtiny85:\r
    OCR1C   =  (F_CPU / F_INTERRUPTS / 4) - 1;                              // compare value: 1/15000 of CPU frequency, presc = 4\r
    TCCR1   = (1 << CTC1) | (1 << CS11) | (1 << CS10);                      // switch CTC Mode on, set prescaler to 4\r
#else                                                                       // ATmegaXX:\r
    OCR1A   =  (F_CPU / F_INTERRUPTS) - 1;                                  // compare value: 1/15000 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
/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * timer 1 compare handler, called every 1/10000 sec\r
 *---------------------------------------------------------------------------------------------------------------------------------------------------\r
 */\r
ISR(TIMER1_COMPA_vect)\r
{\r
    (void) irsnd_ISR();                                                     // call irsnd ISR\r
    // call other timer interrupt routines here...\r
}\r
\r
/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * MAIN: main routine\r
 *---------------------------------------------------------------------------------------------------------------------------------------------------\r
 */\r
int\r
main (void)\r
{\r
    IRMP_DATA irmp_data;\r
\r
    irsnd_init();                                                             // initialize irsnd\r
    timer1_init();                                                            // initialize timer\r
    sei ();                                                                   // enable interrupts\r
\r
    for (;;)\r
    {\r
        irmp_data.protocol = IRMP_NEC_PROTOCOL;\r
        irmp_data.address  = 0x00FF;\r
        irmp_data.command  = 0x0001;\r
        irmp_data.flags    = 0;\r
\r
        irsnd_send_data (&irmp_data, TRUE);\r
        _delay_ms (1000);\r
    }\r
}\r