IRProtocol.h

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#ifndef _IR_PROTOCOL_H
#define _IR_PROTOCOL_H
 
typedef enum {
    UNKNOWN = 0,
    PULSE_WIDTH,
    PULSE_DISTANCE,
    APPLE,
    DENON,
    JVC,
    LG,
    LG2,
    NEC,
    NEC2, /* 10 NEC with full frame as repeat */
    ONKYO,
    PANASONIC,
    KASEIKYO,
    KASEIKYO_DENON,
    KASEIKYO_SHARP,
    KASEIKYO_JVC,
    KASEIKYO_MITSUBISHI,
    RC5,
    RC6,
    SAMSUNG, /* 20*/
    SAMSUNGLG,
    SAMSUNG48,
    SHARP,
    SONY,
    /* Now the exotic protocols */
    BANG_OLUFSEN,
    BOSEWAVE,
    LEGO_PF,
    MAGIQUEST,
    WHYNTER, /* 30 */
    FAST
} decode_type_t;
extern const char *const ProtocolNames[]; // The array of name strings for the decode_type_t enum
 
#define SIRCS_12_PROTOCOL       12
#define SIRCS_15_PROTOCOL       15
#define SIRCS_20_PROTOCOL       20
 
struct DistanceWidthTimingInfoStruct {
    uint16_t HeaderMarkMicros;
    uint16_t HeaderSpaceMicros;
    uint16_t OneMarkMicros;
    uint16_t OneSpaceMicros;
    uint16_t ZeroMarkMicros;
    uint16_t ZeroSpaceMicros;
};
 
/*
 * Definitions for member IRData.flags
 */
#define IRDATA_FLAGS_EMPTY              0x00
#define IRDATA_FLAGS_IS_REPEAT          0x01 
#define IRDATA_FLAGS_IS_AUTO_REPEAT     0x02 
#define IRDATA_FLAGS_PARITY_FAILED      0x04 
#define IRDATA_FLAGS_TOGGLE_BIT         0x08 
#define IRDATA_TOGGLE_BIT_MASK          0x08 
#define IRDATA_FLAGS_EXTRA_INFO         0x10 
#define IRDATA_FLAGS_IS_PROTOCOL_WITH_DIFFERENT_REPEAT 0x20 
#define IRDATA_FLAGS_WAS_OVERFLOW       0x40 
#define IRDATA_FLAGS_IS_MSB_FIRST       0x80 
#define IRDATA_FLAGS_IS_LSB_FIRST       0x00
 
#define RAW_DATA_ARRAY_SIZE             ((((RAW_BUFFER_LENGTH - 2) - 1) / (2 * BITS_IN_RAW_DATA_TYPE)) + 1) // The -2 is for initial gap + stop bit mark, 128 mark + spaces for 64 bit.
 
struct IRData {
    decode_type_t protocol; 
    uint16_t address; 
    uint16_t command;       
    uint16_t extra; 
    IRRawDataType decodedRawData; 
#if defined(DECODE_DISTANCE_WIDTH)
    // This replaces the address, command, extra and decodedRawData in case of protocol == PULSE_DISTANCE or -rather seldom- protocol == PULSE_WIDTH.
    DistanceWidthTimingInfoStruct DistanceWidthTimingInfo; // 12 bytes
    IRRawDataType decodedRawDataArray[RAW_DATA_ARRAY_SIZE]; 
#endif
    uint16_t numberOfBits; 
    uint8_t flags;          
 
    /*
     * These 2 variables allow to call resume() directly after decode.
     * After resume(), decodedIRData.rawDataPtr->initialGapTicks and decodedIRData.rawDataPtr->rawlen are
     * the first variables, which are overwritten by the next received frame.
     * since 4.3.0.
     */
    IRRawlenType rawlen;        
    uint16_t initialGapTicks;   
 
    irparams_struct *rawDataPtr; 
};
 
struct PulseDistanceWidthProtocolConstants {
    decode_type_t ProtocolIndex;
    uint_fast8_t FrequencyKHz;
    DistanceWidthTimingInfoStruct DistanceWidthTimingInfo;
    uint8_t Flags;
    unsigned int RepeatPeriodMillis;
    void (*SpecialSendRepeatFunction)(); // using non member functions here saves up to 250 bytes for send demo
//    void (IRsend::*SpecialSendRepeatFunction)();
};
/*
 * Definitions for member PulseDistanceWidthProtocolConstants.Flags
 */
#define SUPPRESS_STOP_BIT       0x20 // Stop bit is otherwise sent for all pulse distance protocols, i.e. aOneSpaceMicros != aZeroSpaceMicros.
#define PROTOCOL_IS_MSB_FIRST   IRDATA_FLAGS_IS_MSB_FIRST
#define PROTOCOL_IS_LSB_FIRST   IRDATA_FLAGS_IS_LSB_FIRST
 
/*
 * Carrier frequencies for various protocols
 */
#if !defined(BEO_KHZ) // guard used for unit test, which sends and receive Bang&Olufsen with 38 kHz.
#define BEO_KHZ         455
#endif
#define SONY_KHZ        40
#define BOSEWAVE_KHZ    38
#define DENON_KHZ       38
#define JVC_KHZ         38
#define LG_KHZ          38
#define NEC_KHZ         38
#define SAMSUNG_KHZ     38
#define KASEIKYO_KHZ    37
#define RC5_RC6_KHZ     36
 
#if defined(__AVR__)
const __FlashStringHelper* getProtocolString(decode_type_t aProtocol);
#else
const char* getProtocolString(decode_type_t aProtocol);
#endif
void printIRResultShort(Print *aSerial, IRData *aIRDataPtr, bool aPrintGap); // A static function to be able to print send or copied received data.
 
/*
 * Convenience functions to convert MSB to LSB values
 */
uint8_t bitreverseOneByte(uint8_t aValue);
uint32_t bitreverse32Bit(uint32_t aInput);
 
#endif // _IR_PROTOCOL_H