ircommand.h

pci 底层驱动

#ifndef _IR_COMMAND_H_
#define _IR_COMMAND_H_

#include "hid_commands.h"


/////////////////////////////////////////////
//Definitions of key codes.
/////////////////////////////////////////////

#define KEYBOARD_KEY 0x100
#define VOLUME_KEY   0x200
#define CHANNEL_KEY  0x400
#define PVR_KEY      0x800

//The first byte defines the key type.  The second is the HID usage code for keyboard keys
// or the consumer bit flag for consumer keys.

#define KEYBOARD_0      (KEYBOARD_KEY | 0x27)
#define KEYBOARD_1      (KEYBOARD_KEY | 0x1E)
#define KEYBOARD_2      (KEYBOARD_KEY | 0x1F)
#define KEYBOARD_3      (KEYBOARD_KEY | 0x20)
#define KEYBOARD_4      (KEYBOARD_KEY | 0x21)
#define KEYBOARD_5      (KEYBOARD_KEY | 0x22)
#define KEYBOARD_6      (KEYBOARD_KEY | 0x23)
#define KEYBOARD_7      (KEYBOARD_KEY | 0x24)
#define KEYBOARD_8      (KEYBOARD_KEY | 0x25)
#define KEYBOARD_9      (KEYBOARD_KEY | 0x26)

#define KEYBOARD_UP     (KEYBOARD_KEY | 0x52)
#define KEYBOARD_DOWN   (KEYBOARD_KEY | 0x51)
#define KEYBOARD_LEFT   (KEYBOARD_KEY | 0x50)
#define KEYBOARD_RIGHT  (KEYBOARD_KEY | 0x4F)

#define KEYBOARD_ENTER  (KEYBOARD_KEY | 0x28)
#define KEYBOARD_BACK   (KEYBOARD_KEY | 0x2A)

#define VOLUME_UP       (VOLUME_KEY   | CONSUMER_FLAG_VOLUME_UP)
#define VOLUME_DOWN     (VOLUME_KEY   | CONSUMER_FLAG_VOLUME_DOWN)
#define VOLUME_MUTE     (VOLUME_KEY   | CONSUMER_FLAG_VOLUME_MUTE)

#define CHANNEL_UP      (CHANNEL_KEY  | CONSUMER_FLAG_CHANNEL_UP)
#define CHANNEL_DOWN    (CHANNEL_KEY  | CONSUMER_FLAG_CHANNEL_DOWN)

#define PVR_PLAY        (PVR_KEY      | CONSUMER_FLAG_PVR_PLAY)
#define PVR_RECORD      (PVR_KEY      | CONSUMER_FLAG_PVR_RECORD)
#define PVR_PAUSE       (PVR_KEY      | CONSUMER_FLAG_PVR_PAUSE)
#define PVR_STOP        (PVR_KEY      | CONSUMER_FLAG_PVR_STOP)


////////////////////////////////////////////////////////////////
//class IR_Command
////////////////////////////////////////////////////////////////

class IR_Command
{
    typedef struct _KEY_INFO
    {
        BYTE  command_code;
        DWORD key_code;
    }KEY_INFO, *PKEY_INFO;

    typedef struct _KEY_TABLE
    {
        BYTE       num_key_codes;
        PKEY_INFO  p_key_codes;
    }KEY_TABLE, *PKEY_TABLE;


public:
    IR_Command(BYTE command_table_index);

    VOID initialize(ULONG command);

    BOOLEAN isKeyboardKey();
    BOOLEAN isAutoRepeatKey();

    PVOID getReport();
    ULONG getReportSize();

protected:
    VOID fillConsumerUsageReport();
    VOID fillKeyboardUsageReport();


private:
    DWORD _key_code;

    union _REPORT{
        KEYBOARD_USAGE_PAGE_REPORT keyboard_report;
        CONSUMER_USAGE_PAGE_REPORT consumer_report;
    }_report;

    static const KEY_INFO _s_rc5_table[];
    static const KEY_INFO _s_cust_table[];
    static const KEY_INFO _s_small_remote_table[];

    static const KEY_TABLE _s_key_tables[];


    UCHAR  _table_index;
};

///////////////////////////////////////////////
//inline implementations
///////////////////////////////////////////////


inline PVOID IR_Command::getReport()
{
    return &_report;
}

inline ULONG IR_Command::getReportSize()
{
    if(isKeyboardKey())
    {
        return sizeof(KEYBOARD_USAGE_PAGE_REPORT);
    }
    else
    {
        return sizeof(CONSUMER_USAGE_PAGE_REPORT);
    }
}

inline BOOLEAN IR_Command::isKeyboardKey()
{
    return ((_key_code & KEYBOARD_KEY) != 0);
}

#endif