Copy back a lot of the 2014 code.

Change-Id: I552292d8bd7bce4409e02d254bef06a9cc009568
diff --git a/y2014/control_loops/drivetrain/drivetrain.q b/y2014/control_loops/drivetrain/drivetrain.q
new file mode 100644
index 0000000..872efec
--- /dev/null
+++ b/y2014/control_loops/drivetrain/drivetrain.q
@@ -0,0 +1,71 @@
+package frc971.control_loops;
+
+import "aos/common/controls/control_loops.q";
+
+struct GearLogging {
+  int8_t controller_index;
+  bool left_loop_high;
+  bool right_loop_high;
+  int8_t left_state;
+  int8_t right_state;
+};
+
+struct CIMLogging {
+  bool left_in_gear;
+  bool right_in_gear;
+  double left_motor_speed;
+  double right_motor_speed;
+  double left_velocity;
+  double right_velocity;
+};
+
+queue_group DrivetrainQueue {
+  implements aos.control_loops.ControlLoop;
+
+  message Goal {
+    double steering;
+    double throttle;
+    bool highgear;
+    bool quickturn;
+    bool control_loop_driving;
+    double left_goal;
+    double left_velocity_goal;
+    double right_goal;
+    double right_velocity_goal;
+  };
+
+  message Position {
+    double left_encoder;
+    double right_encoder;
+    double left_shifter_position;
+    double right_shifter_position;
+  };
+
+  message Output {
+    double left_voltage;
+    double right_voltage;
+    bool left_high;
+    bool right_high;
+  };
+
+  message Status {
+    double robot_speed;
+    double filtered_left_position;
+    double filtered_right_position;
+    double filtered_left_velocity;
+    double filtered_right_velocity;
+
+    double uncapped_left_voltage;
+    double uncapped_right_voltage;
+    bool output_was_capped;
+
+    bool is_done;
+  };
+
+  queue Goal goal;
+  queue Position position;
+  queue Output output;
+  queue Status status;
+};
+
+queue_group DrivetrainQueue drivetrain_queue;