irremote.h

/*
 * IRremote
 * Version 0.11 August, 2009
 * Copyright 2009 Ken Shirriff
 * For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
 *
 * Modified by Tim Dorssers
 *
 * Interrupt code based on NECIRrcv by Joe Knapp
 * http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
 * Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/
 */ 


#ifndef IRRECV_H
#define IRRECV_H

// The following are compile-time library options.
// If you change them, recompile the library.
#define COMPILE_DECODE_NEC
//#define COMPILE_DECODE_SONY
//#define COMPILE_DECODE_RC5
//#define COMPILE_DECODE_RC6
//#define COMPILE_DECODE_JVC

// Results returned from the decoder
typedef struct {
  int decode_type; // NEC, SONY, RC5, UNKNOWN
  unsigned long value; // Decoded value
  int bits; // Number of bits in decoded value
  volatile unsigned int *rawbuf; // Raw intervals in .5 us ticks
  int rawlen; // Number of records in rawbuf.
} decode_results;

// Values for decode_type
#define NEC 1
#define SONY 2
#define RC5 3
#define RC6 4
#define JVC 5
#define UNKNOWN -1

// Decoded value for NEC when a repeat code is received
#define REPEAT 0xffffffff

void setup_irrecv(void);

int irrecv_decode(decode_results *results);
void irrecv_resume(void);

// Some useful constants
#define USECPERTICK 50  // microseconds per clock interrupt tick
#define RAWBUF 100 // Length of raw duration buffer

// Marks tend to be 100us too long, and spaces 100us too short
// when received due to sensor lag.
#define MARK_EXCESS 100

#endif /* IRRECV_H */