2. #include <HID.h>
    4. static const uint8_t _hidReportDescriptor[] PROGMEM = {
    6.  0x05, 0x0c, // USAGE_PAGE (Consumer Page)
    7.  0x09, 0x01, // USAGE (Consumer Control)
    8.  0xa1, 0x01, // COLLECTION (Application)
    9.  0x85, 0x05, //        REPORT_ID (5)
    10.  0x15, 0x00,                    //        Logical Minimum (0)
    11.  0x25, 0x01,                    //        Logical Maximum (1)
    12.  0x09, 0xea, //   USAGE (Volume Decrement)
    13.  0x09, 0xe9, //   USAGE (Volume Increment)
    14.  0x09, 0xe2, //   USAGE (Mute)
    15.  0x09, 0xcd, //   USAGE (Play/Pause)
    16.  0x0a, 0x83, 0x01, //USAGE (Windows Media Player(0x183))
    17.  0x0a, 0x23, 0x02, //USAGE (AC Home(0x0223))
    18.  0x0a, 0x92, 0x01, //USAGE (AL Calculator(0x192))
    19.  0x15, 0x00, //     LOGICAL_MINIMUM (0)
    20.  0x25, 0x01, //     LOGICAL_MAXIMUM (1)
    21.  0x95, 0x07, //     REPORT_COUNT (7)
    22.  0x75, 0x01, //     REPORT_SIZE (1)
    23.  0x81, 0x02, //     INPUT (Data,Var,Abs)
    24.  0x75, 0x01, //     REPORT_SIZE (1)
    25.  0x95, 0x01, //     REPORT_COUNT (1)
    26.  0x81, 0x03, //     INPUT (Cnst,Var,Abs)
    27.  0xc0        // END_COLLECTION
    28. };
    30. //八位数据 每位的功能为
    31. // 0 Volume Decrement
    32. // 1 Volume Increment
    33. // 3 Mute
    34. // 4 Play/Pause
    35. // 5 Windows Media Player(0x183)
    36. // 6 AC Home(0x0223)
    37. // 7 AL Calculator(0x192)
    38. // 8
    43. uint8_t report[1];
    46. void setup() 
    47. {
    48.   // put your setup code here, to run once:
    49.   static HIDSubDescriptor node(_hidReportDescriptor, sizeof(_hidReportDescriptor));
    50.   HID().AppendDescriptor(&node);
    52.   pinMode(4, INPUT);
    54.   Serial.begin(9600);
    56.   report[0] = 0x01;
    59. }
    61. void loop() 
    62. {
    63.   report[0] = 0x01;
    64.   HID().SendReport(5,report,1);//(data,len)
    66.   delay(100);
    67. }