[irmp.git] / irsnd-main-avr.c

/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * irsnd-main-avr.c - demo main module to test IRSND encoder on AVRs\r
 *\r
 * Copyright (c) 2010-2016 Frank Meyer - frank(at)fli4l.de\r
 *\r
 * $Id: irsnd-main-avr.c,v 1.3 2016/09/09 08:01:11 fm Exp $\r
 *\r
 * ATMEGA88 @ 8 MHz internal RC      Osc with BODLEVEL 4.3V: lfuse: 0xE2 hfuse: 0xDC efuse: 0xF9\r
 * ATMEGA88 @ 8 MHz external Crystal Osc with BODLEVEL 4.3V: lfuse: 0xFF 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 unknown\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
#ifdef TIM1_COMPA_vect                                                      // ATtiny84\r
#define COMPA_VECT  TIM1_COMPA_vect\r
#else\r
#define COMPA_VECT  TIMER1_COMPA_vect                                       // ATmega\r
#endif\r
\r
/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * timer 1 compare handler, called every 1/10000 sec\r
 *---------------------------------------------------------------------------------------------------------------------------------------------------\r
 */\r
ISR(COMPA_VECT)                                                             // Timer1 output compare A interrupt service routine, called every 1/15000 sec\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;                             // use NEC protocol\r
        irmp_data.address  = 0x00FF;                                        // set address to 0x00FF\r
        irmp_data.command  = 0x0001;                                        // set command to 0x0001\r
        irmp_data.flags    = 0;                                             // don't repeat frame\r
\r
        irsnd_send_data (&irmp_data, TRUE);                                 // send frame, wait for completion\r
        _delay_ms (1000);\r
    }\r
}\r
Commit	Line	Data
4225a882	1	/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
7365350c	2	* irsnd-main-avr.c - demo main module to test IRSND encoder on AVRs\r
4225a882	3	*\r
ea29682a	4	* Copyright (c) 2010-2016 Frank Meyer - frank(at)fli4l.de\r
4225a882	5	*\r
7365350c	6	* $Id: irsnd-main-avr.c,v 1.3 2016/09/09 08:01:11 fm Exp $\r
7365350c	7	*\r
775fabfa	8	* ATMEGA88 @ 8 MHz internal RC Osc with BODLEVEL 4.3V: lfuse: 0xE2 hfuse: 0xDC efuse: 0xF9\r
775fabfa	9	* ATMEGA88 @ 8 MHz external Crystal Osc with BODLEVEL 4.3V: lfuse: 0xFF hfuse: 0xDC efuse: 0xF9\r
4225a882	10	*\r
	11	* This program is free software; you can redistribute it and/or modify\r
	12	* it under the terms of the GNU General Public License as published by\r
	13	* the Free Software Foundation; either version 2 of the License, or\r
	14	* (at your option) any later version.\r
	15	*---------------------------------------------------------------------------------------------------------------------------------------------------\r
	16	*/\r
4225a882	17	#include "irsnd.h"\r
4225a882	18	\r
4225a882	19	#ifndef F_CPU\r
061e654c	20	# error F_CPU unknown\r
4225a882	21	#endif\r
	22	\r
	23	void\r
1f54e86c	24	timer1_init (void)\r
4225a882	25	{\r
476267f4	26	#if defined (__AVR_ATtiny45__) \|\| defined (__AVR_ATtiny85__) // ATtiny45 / ATtiny85:\r
b743217b	27	OCR1C = (F_CPU / F_INTERRUPTS / 4) - 1; // compare value: 1/15000 of CPU frequency, presc = 4\r
476267f4	28	TCCR1 = (1 << CTC1) \| (1 << CS11) \| (1 << CS10); // switch CTC Mode on, set prescaler to 4\r
	29	#else // ATmegaXX:\r
	30	OCR1A = (F_CPU / F_INTERRUPTS) - 1; // compare value: 1/15000 of CPU frequency\r
	31	TCCR1B = (1 << WGM12) \| (1 << CS10); // switch CTC Mode on, set prescaler to 1\r
1f54e86c	32	#endif\r
4225a882	33	\r
1f54e86c	34	#ifdef TIMSK1\r
476267f4	35	TIMSK1 = 1 << OCIE1A; // OCIE1A: Interrupt by timer compare\r
4225a882	36	#else\r
476267f4	37	TIMSK = 1 << OCIE1A; // OCIE1A: Interrupt by timer compare\r
1f54e86c	38	#endif\r
4225a882	39	}\r
4225a882	40	\r
775fabfa	41	#ifdef TIM1_COMPA_vect // ATtiny84\r
	42	#define COMPA_VECT TIM1_COMPA_vect\r
	43	#else\r
	44	#define COMPA_VECT TIMER1_COMPA_vect // ATmega\r
	45	#endif\r
	46	\r
4225a882	47	/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
	48	* timer 1 compare handler, called every 1/10000 sec\r
	49	*---------------------------------------------------------------------------------------------------------------------------------------------------\r
	50	*/\r
775fabfa	51	ISR(COMPA_VECT) // Timer1 output compare A interrupt service routine, called every 1/15000 sec\r
4225a882	52	{\r
4225a882	53	(void) irsnd_ISR(); // call irsnd ISR\r
1f54e86c	54	// call other timer interrupt routines here...\r
4225a882	55	}\r
	56	\r
	57	/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
	58	* MAIN: main routine\r
	59	*---------------------------------------------------------------------------------------------------------------------------------------------------\r
	60	*/\r
4225a882	61	int\r
	62	main (void)\r
	63	{\r
1f54e86c	64	IRMP_DATA irmp_data;\r
1f54e86c	65	\r
775fabfa	66	irsnd_init(); // initialize irsnd\r
	67	timer1_init(); // initialize timer\r
	68	sei (); // enable interrupts\r
1f54e86c	69	\r
	70	for (;;)\r
	71	{\r
775fabfa	72	irmp_data.protocol = IRMP_NEC_PROTOCOL; // use NEC protocol\r
	73	irmp_data.address = 0x00FF; // set address to 0x00FF\r
	74	irmp_data.command = 0x0001; // set command to 0x0001\r
	75	irmp_data.flags = 0; // don't repeat frame\r
1f54e86c	76	\r
775fabfa	77	irsnd_send_data (&irmp_data, TRUE); // send frame, wait for completion\r
1f54e86c	78	_delay_ms (1000);\r
1f54e86c	79	}\r
4225a882	80	}\r