diff options
| author | ukw | 2010-03-24 11:56:05 +0000 |
|---|---|---|
| committer | ukw | 2010-03-24 11:56:05 +0000 |
| commit | 4225a882583e3f3f35b5a9ee652d204338059b61 (patch) | |
| tree | 155a5f81e97196df202a451d527344a8ee8e78c1 /main.c | |
| download | irmp-4225a882583e3f3f35b5a9ee652d204338059b61.zip | |
1st checkin, version 1.0
git-svn-id: svn://mikrocontroller.net/irmp@1 aeb2e35e-bfc4-4214-b83c-9e8de998ed28
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 179 |
1 files changed, 179 insertions, 0 deletions
@@ -0,0 +1,179 @@ +/*---------------------------------------------------------------------------------------------------------------------------------------------------
+ * main.c - demo main module to test irmp decoder
+ *
+ * Copyright (c) 2009-2010 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 "irmp.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"
+
+#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
+#else
+ TIMSK1 = 1 << OCIE1A; // OCIE1A: Interrupt by timer compare
+#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
+{
+ irmp_ISR(); // call irmp 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
+ static uint8_t *Proto[]={"SIRCS","NEC","SAMSUNG","MATSUSH","KASEIKYO","RECS80","RC5(x)","DENON","RC6","SAMSG32","APPLE"};
+ #define IRMP_APPLE_ADDRESS 0x77E1
+
+
+ #if IRMP_LOGGING == 0
+ // USART initialization has to be done here if Logging is off
+ // Communication Parameters: 8 Data, 1 Stop, No Parity
+ // USART Receiver: Off
+ // USART Transmitter: On
+ // USART0 Mode: Asynchronous
+ // USART Baud Rate: 9600
+ #define BAUDRATE 9600L
+ UCSR0A=0x00;
+ UCSR0B=0x08;
+ UCSR0C=0x06;
+ UBRR0H = ((F_CPU+BAUDRATE*8)/(BAUDRATE*16)-1) >> 8; // store baudrate (upper byte)
+ UBRR0L = ((F_CPU+BAUDRATE*8)/(BAUDRATE*16)-1) & 0xFF;
+ #endif
+
+ irmp_init(); // initialize rc5
+
+ printf("IRMP V1.0\n");
+ #if IRMP_LOGGING == 1
+ printf("Logging Mode\n");
+ #endif
+
+ timer_init(); // initialize timer
+ #asm("sei"); // enable interrupts
+
+ for (;;)
+ {
+ if (irmp_get_data (&irmp_data))
+ {
+ // ir signal decoded, do something here...
+ // irmp_data.protocol is the protocol, see irmp.h
+ // irmp_data.address is the address/manufacturer code of ir sender
+ // irmp_data.command is the command code
+ #if IRMP_LOGGING != 1
+ if((irmp_data.protocol == IRMP_NEC_PROTOCOL) && (irmp_data.address == IRMP_APPLE_ADDRESS))
+ printf("Code: Apple\n");
+ else printf("Code: %s\n",Proto[irmp_data.protocol-1]);
+ printf("Address: 0x%.2X\n",irmp_data.address);
+ printf("Command: 0x%.2X\n\n",irmp_data.command);
+ #endif
+ }
+ }
+}
+
+#else // gcc
+
+// This is the main routine if you use GCC Compiler
+int
+main (void)
+{
+ IRMP_DATA irmp_data;
+
+ irmp_init(); // initialize rc5
+ timer_init(); // initialize timer
+ sei (); // enable interrupts
+
+ for (;;)
+ {
+ if (irmp_get_data (&irmp_data))
+ {
+ // ir signal decoded, do something here...
+ // irmp_data.protocol is the protocol, see irmp.h
+ // irmp_data.address is the address/manufacturer code of ir sender
+ // irmp_data.command is the command code
+ }
+ }
+}
+
+#endif // CODEVISION / gcc
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