added GearboxProto.java, adjusted DCMotorProto.java

Author: narmstro2020

wpimath/src/main/java/org/wpilib/math/system/proto/DCMotorProto.java

@@ -32,8 +32,7 @@ public DCMotor unpack(ProtobufDCMotor msg) {
         msg.getStallTorque(),
         msg.getStallCurrent(),
         msg.getFreeCurrent(),
-        msg.getFreeSpeed(),
-        1);
+        msg.getFreeSpeed());
   }
 
   @Override

wpimath/src/main/java/org/wpilib/math/system/proto/GearboxProto.java

@@ -0,0 +1,41 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+package org.wpilib.math.system.proto;
+
+import org.wpilib.math.proto.ProtobufGearbox;
+import org.wpilib.math.system.DCMotor;
+import org.wpilib.math.system.Gearbox;
+import org.wpilib.util.protobuf.Protobuf;
+import us.hebi.quickbuf.Descriptors.Descriptor;
+
+public class GearboxProto implements Protobuf<Gearbox, ProtobufGearbox> {
+  @Override
+  public Class<Gearbox> getTypeClass() {
+    return Gearbox.class;
+  }
+
+  @Override
+  public Descriptor getDescriptor() {
+    return ProtobufGearbox.getDescriptor();
+  }
+
+  @Override
+  public ProtobufGearbox createMessage() {
+    return ProtobufGearbox.newInstance();
+  }
+
+  @Override
+  public Gearbox unpack(ProtobufGearbox msg) {
+    return new Gearbox(
+        DCMotor.proto.unpack(msg.getMotor()), msg.getNumMotors(), msg.getReduction());
+  }
+
+  @Override
+  public void pack(ProtobufGearbox msg, Gearbox value) {
+    DCMotor.proto.pack(msg.getMutableMotor(), value.motor);
+    msg.setNumMotors(value.numMotors);
+    msg.setReduction(value.reduction);
+  }
+}