耳机音量按键HID报告描述符

耳机音量按键在windows的设备管理器中如下：

其报告描述符的原始数据为：

05 0c 09 01  a1 01 85 01  15 00 25 01  75 01 95 01  09 e9 81 02  09 ea 81 02  09 cd 81 02  09 b5 81 02 09 b6 81 02  09 b7 81 02  09 b3 81 02  09 b4 81 02  05 0b 09 24  81 02 09 20  81 02 09 2f  81 06 95 05 81 01 c0

经过USB中文网提供的HidReportParser.exe工具分析后的结果如下：

0x05,0x0C,   //0       GLOBAL_USAGE_PAGE(Consumer)
0x09,0x01,   //2       LOCAL_USAGE(    Consumer Control     )
0xA1,0x01,   //4       MAIN_COLLECTION(Applicatior)
0x85,0x01,   //6       GLOBAL_REPORT_ID(1)
0x15,0x00,   //8       GLOBAL_LOGICAL_MINIMUM(0)
0x25,0x01,   //10      GLOBAL_LOCAL_MAXIMUM(1)
0x75,0x01,   //12      GLOBAL_REPORT_SIZE(1)
0x95,0x01,   //14      GLOBAL_REPORT_COUNT(1)
0x09,0xE9,   //16      LOCAL_USAGE(    Volume Increment     )
0x81,0x02,   //18      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x09,0xEA,   //20      LOCAL_USAGE(    Volume Decrement     )
0x81,0x02,   //22      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x09,0xCD,   //24      LOCAL_USAGE(    Play/Pause     )
0x81,0x02,   //26      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x09,0xB5,   //28      LOCAL_USAGE(    Scan Next Track     )
0x81,0x02,   //30      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x09,0xB6,   //32      LOCAL_USAGE(    Scan Previous Track     )
0x81,0x02,   //34      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x09,0xB7,   //36      LOCAL_USAGE(    Stop     )
0x81,0x02,   //38      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x09,0xB3,   //40      LOCAL_USAGE(    Fast Forward     )
0x81,0x02,   //42      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x09,0xB4,   //44      LOCAL_USAGE(    Rewind     )
0x81,0x02,   //46      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x05,0x0B,   //48      GLOBAL_USAGE_PAGE(Telephony)
0x09,0x24,   //50      LOCAL_USAGE(    Redial     )
0x81,0x02,   //52      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x09,0x20,   //54      LOCAL_USAGE(    Hook Switch     )
0x81,0x02,   //56      MAIN_INPUT(data var absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0x09,0x2F,   //58      LOCAL_USAGE(    Phone Mute     )
0x81,0x06,   //60      MAIN_INPUT(data var relative NoWrap linear PreferredState NoNullPosition NonVolatile )
0x95,0x05,   //62      GLOBAL_REPORT_COUNT(5)
0x81,0x01,   //64      MAIN_INPUT(const array absolute NoWrap linear PreferredState NoNullPosition NonVolatile )
0xC0,        //66      MAIN_COLLECTION_END