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4225a882 | 1 | /*---------------------------------------------------------------------------------------------------------------------------------------------------\r |
2 | * main.c - demo main module to test irmp decoder\r | |
3 | *\r | |
f50e01e7 | 4 | * Copyright (c) 2009-2011 Frank Meyer - frank(at)fli4l.de\r |
4225a882 | 5 | *\r |
93ba2e01 | 6 | * $Id: main.c,v 1.11 2011/09/20 10:45:28 fm Exp $\r |
cb8474cc | 7 | *\r |
4225a882 | 8 | * ATMEGA88 @ 8 MHz\r |
9 | *\r | |
10 | * Fuses: lfuse: 0xE2 hfuse: 0xDC efuse: 0xF9\r | |
11 | *\r | |
12 | * This program is free software; you can redistribute it and/or modify\r | |
13 | * it under the terms of the GNU General Public License as published by\r | |
14 | * the Free Software Foundation; either version 2 of the License, or\r | |
15 | * (at your option) any later version.\r | |
16 | *---------------------------------------------------------------------------------------------------------------------------------------------------\r | |
17 | */\r | |
18 | \r | |
4225a882 | 19 | #include <inttypes.h>\r |
20 | #include <avr/io.h>\r | |
21 | #include <util/delay.h>\r | |
22 | #include <avr/pgmspace.h>\r | |
23 | #include <avr/interrupt.h>\r | |
4225a882 | 24 | \r |
1f54e86c | 25 | #include "irmpconfig.h"\r |
26 | #include "irmp.h"\r | |
4225a882 | 27 | \r |
28 | #ifndef F_CPU\r | |
29 | #error F_CPU unkown\r | |
30 | #endif\r | |
31 | \r | |
32 | void\r | |
1f54e86c | 33 | timer1_init (void)\r |
4225a882 | 34 | {\r |
476267f4 | 35 | #if defined (__AVR_ATtiny45__) || defined (__AVR_ATtiny85__) // ATtiny45 / ATtiny85:\r |
764bd2bc | 36 | OCR1C = (F_CPU / F_INTERRUPTS / 4) - 1; // compare value: 1/15000 of CPU frequency, presc = 4\r |
7644ac04 | 37 | TCCR1 = (1 << CTC1) | (1 << CS11) | (1 << CS10); // switch CTC Mode on, set prescaler to 4\r |
38 | #else // ATmegaXX:\r | |
39 | OCR1A = (F_CPU / F_INTERRUPTS) - 1; // compare value: 1/15000 of CPU frequency\r | |
40 | TCCR1B = (1 << WGM12) | (1 << CS10); // switch CTC Mode on, set prescaler to 1\r | |
1f54e86c | 41 | #endif\r |
4225a882 | 42 | \r |
1f54e86c | 43 | #ifdef TIMSK1\r |
7644ac04 | 44 | TIMSK1 = 1 << OCIE1A; // OCIE1A: Interrupt by timer compare\r |
4225a882 | 45 | #else\r |
7644ac04 | 46 | TIMSK = 1 << OCIE1A; // OCIE1A: Interrupt by timer compare\r |
1f54e86c | 47 | #endif\r |
4225a882 | 48 | }\r |
49 | \r | |
7644ac04 | 50 | /*---------------------------------------------------------------------------------------------------------------------------------------------------\r |
51 | * Timer 1 output compare A interrupt service routine, called every 1/15000 sec\r | |
52 | *---------------------------------------------------------------------------------------------------------------------------------------------------\r | |
53 | */\r | |
54 | #ifdef TIM1_COMPA_vect // ATtiny84\r | |
55 | ISR(TIM1_COMPA_vect)\r | |
56 | #else\r | |
57 | ISR(TIMER1_COMPA_vect)\r | |
58 | #endif\r | |
59 | {\r | |
60 | (void) irmp_ISR(); // call irmp ISR\r | |
61 | // call other timer interrupt routines...\r | |
62 | }\r | |
63 | \r | |
64 | \r | |
4225a882 | 65 | int\r |
66 | main (void)\r | |
67 | {\r | |
1f54e86c | 68 | IRMP_DATA irmp_data;\r |
4225a882 | 69 | \r |
1f54e86c | 70 | irmp_init(); // initialize irmp\r |
71 | timer1_init(); // initialize timer 1\r | |
72 | sei (); // enable interrupts\r | |
4225a882 | 73 | \r |
1f54e86c | 74 | for (;;)\r |
4225a882 | 75 | {\r |
1f54e86c | 76 | if (irmp_get_data (&irmp_data))\r |
77 | {\r | |
78 | // ir signal decoded, do something here...\r | |
79 | // irmp_data.protocol is the protocol, see irmp.h\r | |
80 | // irmp_data.address is the address/manufacturer code of ir sender\r | |
81 | // irmp_data.command is the command code\r | |
82 | // irmp_protocol_names[irmp_data.protocol] is the protocol name (if enabled, see irmpconfig.h)\r | |
83 | }\r | |
4225a882 | 84 | }\r |
4225a882 | 85 | }\r |