Daydream Controller手柄数据的解析-白红宇

Daydream Controller手柄数据的解析

阅读量：6493 次

发布时间：2019-06-24

本文共 3879 字，大约阅读时间需要 12 分钟。

参考:

反编译代码:

private static UUID A = UUID.fromString("0000180f-0000-1000-8000-00805f9b34fb");  static final String a = bbr.class.getSimpleName();  public static final UUID d = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");  public static final UUID e = UUID.fromString("0000180a-0000-1000-8000-00805f9b34fb");  public static final UUID f = UUID.fromString("00002a29-0000-1000-8000-00805f9b34fb");  public static final UUID g = UUID.fromString("00002a24-0000-1000-8000-00805f9b34fb");  public static final UUID h = UUID.fromString("00002a25-0000-1000-8000-00805f9b34fb");  public static final UUID i = UUID.fromString("00002a26-0000-1000-8000-00805f9b34fb");  public static final UUID j = UUID.fromString("00002a28-0000-1000-8000-00805f9b34fb");  public static final UUID k = UUID.fromString("00002a27-0000-1000-8000-00805f9b34fb");  public static final UUID l = UUID.fromString("00002a19-0000-1000-8000-00805f9b34fb");  public static final UUID m = UUID.fromString("0000fef5-0000-1000-8000-00805f9b34fb");  public static final UUID n = UUID.fromString("0000fe55-0000-1000-8000-00805f9b34fb");  private final VrCoreApplication B;  private BluetoothDevice C;  static final String A = bcj.class.getSimpleName();  private static UUID C = UUID.fromString("00000001-1000-1000-8000-00805f9b34fb");  private static UUID D = UUID.fromString("00000002-1000-1000-8000-00805f9b34fb");   if (C.equals(paramBluetoothGattCharacteristic.getUuid()))      {        localObject4 = paramBluetoothGattCharacteristic.getValue();        paramBluetoothGattCharacteristic = this.P;        if (localObject4 != null) {}        try        {          Object localObject1 = this.O;          if (localObject4.length < 19)          {            localObject1 = bbq.a;            i = localObject4.length;            localObject4 = new java/lang/StringBuilder;            ((StringBuilder)localObject4).
     
      (46);            Log.e((String)localObject1, "Invalid number of bytes to decode: " + i);            i = 0;            if (i != 0) {              break label781;            }          }        }        finally {}      }    }    ((bbq)localObject2).b = ((byte[])localObject4);    ((bbq)localObject2).c = 0;    ((bbq)localObject2).d = ((bbq)localObject2).a(9, false);    ((bbq)localObject2).a(5, false);    int i5 = ((bbq)localObject2).a(13, true);    int i = ((bbq)localObject2).a(13, true);    int i7 = ((bbq)localObject2).a(13, true);    int i4 = ((bbq)localObject2).a(13, true);    int i1 = ((bbq)localObject2).a(13, true);    int n = ((bbq)localObject2).a(13, true);    int j = ((bbq)localObject2).a(13, true);    int m = ((bbq)localObject2).a(13, true);    int i2 = ((bbq)localObject2).a(13, true);    int k = ((bbq)localObject2).a(8, false);    int i3 = ((bbq)localObject2).a(8, false);    int i6 = ((bbq)localObject2).a(5, false);    ((bbq)localObject2).s[0] = bbq.a(i5);    ((bbq)localObject2).s[1] = bbq.a(i);    ((bbq)localObject2).s[2] = bbq.a(i7);    float[] arrayOfFloat = ((bbq)localObject2).s;    Object localObject4 = ((bbq)localObject2).t;    float f2 = arrayOfFloat[0];    float f3 = arrayOfFloat[1];    float f1 = arrayOfFloat[2];    float f4 = f2 * f2 + f3 * f3 + f1 * f1;

数据帧定义:

Daydream Controller数据帧格式，按照bit位定义如下，bit000~bit008：时间戳(0~511)bit009~bit013：包号(0~31)bit014~bit026：地磁 X      bit027~bit039：地磁 Y     bit040~bit052：地磁 Zbit053~bit065：ACC X      bit066~bit078：ACC Y     bit079~bit091：ACC Zbit092~bit104：Gyro X     bit105~bit117：Gyro Y    bit118~bit130：Gyro Zbit131~bit138：Touch X    bit139~bit146：Touch Ybit147：Clickbit148：Homebit149：Appbit150：Volume -bit151：Volume +

原始数据:

解析结果：

Connection Interval:

硬件及软件信息：

MCU：Dialog DA14681Touch: IQS525Battery: Coslight CA491539P(218-mAh)LMP Version: Bluetooth Core Specification 4.1Service: 0000fe55-0000-1000-8000-00805f9b34fbCharacteristic：00000001-1000-1000-8000-00805f9b34fbCharacteristic property：Notification