Merge "Added min_time and mock time support."
diff --git a/aos/linux_code/ipc_lib/ipc_comparison.cc b/aos/linux_code/ipc_lib/ipc_comparison.cc
index f375a17..73c0f9b 100644
--- a/aos/linux_code/ipc_lib/ipc_comparison.cc
+++ b/aos/linux_code/ipc_lib/ipc_comparison.cc
@@ -5,6 +5,7 @@
 #include <sys/un.h>
 #include <pthread.h>
 #include <netinet/in.h>
+#include <netinet/tcp.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -224,8 +225,12 @@
 
 class TCPPingPonger : public FDPingPonger {
  public:
-  TCPPingPonger() {
+  TCPPingPonger(bool nodelay) {
     server_ = PCHECK(socket(AF_INET, SOCK_STREAM, 0));
+    if (nodelay) {
+      const int yes = 1;
+      PCHECK(setsockopt(server_, IPPROTO_TCP, TCP_NODELAY, &yes, sizeof(yes)));
+    }
     {
       sockaddr_in server_address;
       memset(&server_address, 0, sizeof(server_address));
@@ -237,6 +242,10 @@
     PCHECK(listen(server_, 1));
 
     client_ = PCHECK(socket(AF_INET, SOCK_STREAM, 0));
+    if (nodelay) {
+      const int yes = 1;
+      PCHECK(setsockopt(client_, IPPROTO_TCP, TCP_NODELAY, &yes, sizeof(yes)));
+    }
     {
       sockaddr_in client_address;
       unsigned int length = sizeof(client_address);
@@ -465,19 +474,42 @@
 
 class PthreadMutexPingPonger : public ConditionVariablePingPonger {
  public:
-  PthreadMutexPingPonger()
+  PthreadMutexPingPonger(int pshared, bool pi)
       : ConditionVariablePingPonger(
             ::std::unique_ptr<ConditionVariableInterface>(
-                new PthreadConditionVariable()),
+                new PthreadConditionVariable(pshared, pi)),
             ::std::unique_ptr<ConditionVariableInterface>(
-                new PthreadConditionVariable())) {}
+                new PthreadConditionVariable(pshared, pi))) {}
 
  private:
   class PthreadConditionVariable : public ConditionVariableInterface {
    public:
-    PthreadConditionVariable() {
-      PRCHECK(pthread_cond_init(&condition_, nullptr));
-      PRCHECK(pthread_mutex_init(&mutex_, nullptr));
+    PthreadConditionVariable(bool pshared, bool pi) {
+      {
+        pthread_condattr_t cond_attr;
+        PRCHECK(pthread_condattr_init(&cond_attr));
+        if (pshared) {
+          PRCHECK(
+              pthread_condattr_setpshared(&cond_attr, PTHREAD_PROCESS_SHARED));
+        }
+        PRCHECK(pthread_cond_init(&condition_, &cond_attr));
+        PRCHECK(pthread_condattr_destroy(&cond_attr));
+      }
+
+      {
+        pthread_mutexattr_t mutex_attr;
+        PRCHECK(pthread_mutexattr_init(&mutex_attr));
+        if (pshared) {
+          PRCHECK(pthread_mutexattr_setpshared(&mutex_attr,
+                                               PTHREAD_PROCESS_SHARED));
+        }
+        if (pi) {
+          PRCHECK(
+              pthread_mutexattr_setprotocol(&mutex_attr, PTHREAD_PRIO_INHERIT));
+        }
+        PRCHECK(pthread_mutex_init(&mutex_, nullptr));
+        PRCHECK(pthread_mutexattr_destroy(&mutex_attr));
+      }
     }
     ~PthreadConditionVariable() {
       PRCHECK(pthread_mutex_destroy(&mutex_));
@@ -779,7 +811,13 @@
   } else if (FLAGS_method == "aos_event") {
     ping_ponger.reset(new AOSEventPingPonger());
   } else if (FLAGS_method == "pthread_mutex") {
-    ping_ponger.reset(new PthreadMutexPingPonger());
+    ping_ponger.reset(new PthreadMutexPingPonger(false, false));
+  } else if (FLAGS_method == "pthread_mutex_pshared") {
+    ping_ponger.reset(new PthreadMutexPingPonger(true, false));
+  } else if (FLAGS_method == "pthread_mutex_pshared_pi") {
+    ping_ponger.reset(new PthreadMutexPingPonger(true, true));
+  } else if (FLAGS_method == "pthread_mutex_pi") {
+    ping_ponger.reset(new PthreadMutexPingPonger(false, true));
   } else if (FLAGS_method == "aos_queue") {
     ping_ponger.reset(new AOSQueuePingPonger());
   } else if (FLAGS_method == "eventfd") {
@@ -803,7 +841,9 @@
   } else if (FLAGS_method == "unix_seqpacket") {
     ping_ponger.reset(new UnixPingPonger(SOCK_SEQPACKET));
   } else if (FLAGS_method == "tcp") {
-    ping_ponger.reset(new TCPPingPonger());
+    ping_ponger.reset(new TCPPingPonger(false));
+  } else if (FLAGS_method == "tcp_nodelay") {
+    ping_ponger.reset(new TCPPingPonger(true));
   } else if (FLAGS_method == "udp") {
     ping_ponger.reset(new UDPPingPonger());
   } else {
@@ -890,6 +930,9 @@
       "\taos_mutex\n"
       "\taos_event\n"
       "\tpthread_mutex\n"
+      "\tpthread_mutex_pshared\n"
+      "\tpthread_mutex_pshared_pi\n"
+      "\tpthread_mutex_pi\n"
       "\taos_queue\n"
       "\teventfd\n"
       "\tsysv_semaphore\n"
@@ -902,6 +945,7 @@
       "\tunix_datagram\n"
       "\tunix_seqpacket\n"
       "\ttcp\n"
+      "\ttcp_nodelay\n"
       "\tudp\n");
   ::gflags::ParseCommandLineFlags(&argc, &argv, true);
 
diff --git a/y2014/joystick_reader.cc b/y2014/joystick_reader.cc
index d2d1375..fcfe33c 100644
--- a/y2014/joystick_reader.cc
+++ b/y2014/joystick_reader.cc
@@ -191,10 +191,6 @@
     const double kThrottleGain = 1.0 / 2.5;
     if (false && (data.IsPressed(kDriveControlLoopEnable1) ||
                   data.IsPressed(kDriveControlLoopEnable2))) {
-      // TODO(austin): Static sucks!
-      static double distance = 0.0;
-      static double angle = 0.0;
-      static double filtered_goal_distance = 0.0;
       if (data.PosEdge(kDriveControlLoopEnable1) ||
           data.PosEdge(kDriveControlLoopEnable2)) {
         if (drivetrain_queue.position.FetchLatest() &&
@@ -504,6 +500,10 @@
   double goal_angle_;
   double separation_angle_, shot_separation_angle_;
   double velocity_compensation_;
+  // Distance, angle, and filtered goal for closed loop driving.
+  double distance;
+  double angle;
+  double filtered_goal_distance;
   double intake_power_;
   bool was_running_;
   bool moving_for_shot_ = false;
diff --git a/y2014_bot3/joystick_reader.cc b/y2014_bot3/joystick_reader.cc
index 86f78dc..22610ae 100644
--- a/y2014_bot3/joystick_reader.cc
+++ b/y2014_bot3/joystick_reader.cc
@@ -66,8 +66,6 @@
 
   void HandleDrivetrain(const ::aos::input::driver_station::Data &data) {
     bool is_control_loop_driving = false;
-    static double left_goal = 0.0;
-    static double right_goal = 0.0;
     const double wheel = -data.GetAxis(kSteeringWheel);
     const double throttle = -data.GetAxis(kDriveThrottle);
 
@@ -139,6 +137,9 @@
   bool auto_running_ = false;
 
   bool is_high_gear_;
+  // Turning goals.
+  double left_goal;
+  double right_goal;
 
   ::aos::util::SimpleLogInterval no_drivetrain_status_ =
       ::aos::util::SimpleLogInterval(::aos::time::Time::InSeconds(0.2), WARNING,
diff --git a/y2016/actors/BUILD b/y2016/actors/BUILD
index 453d49e..cfbeb2b 100644
--- a/y2016/actors/BUILD
+++ b/y2016/actors/BUILD
@@ -5,60 +5,12 @@
 filegroup(
   name = 'binaries',
   srcs = [
-    ':drivetrain_action',
     ':superstructure_action',
     ':autonomous_action',
   ],
 )
 
 queue_library(
-  name = 'drivetrain_action_queue',
-  srcs = [
-    'drivetrain_action.q',
-  ],
-  deps = [
-    '//aos/common/actions:action_queue',
-  ],
-)
-
-cc_library(
-  name = 'drivetrain_action_lib',
-  srcs = [
-    'drivetrain_actor.cc',
-  ],
-  hdrs = [
-    'drivetrain_actor.h',
-  ],
-  deps = [
-    ':drivetrain_action_queue',
-    '//aos/common:time',
-    '//aos/common:math',
-    '//aos/common/util:phased_loop',
-    '//aos/common/logging',
-    '//aos/common/actions:action_lib',
-    '//aos/common/logging:queue_logging',
-    '//aos/common/util:trapezoid_profile',
-    '//frc971/control_loops/drivetrain:drivetrain_queue',
-    '//frc971/control_loops:state_feedback_loop',
-    '//third_party/eigen',
-    '//y2016:constants',
-    '//y2016/control_loops/drivetrain:polydrivetrain_plants',
-  ],
-)
-
-cc_binary(
-  name = 'drivetrain_action',
-  srcs = [
-    'drivetrain_actor_main.cc',
-  ],
-  deps = [
-    ':drivetrain_action_lib',
-    ':drivetrain_action_queue',
-    '//aos/linux_code:init',
-  ],
-)
-
-queue_library(
   name = 'superstructure_action_queue',
   srcs = [
     'superstructure_action.q',
diff --git a/y2016/actors/autonomous_actor.cc b/y2016/actors/autonomous_actor.cc
index 7b3fc60..f298420 100644
--- a/y2016/actors/autonomous_actor.cc
+++ b/y2016/actors/autonomous_actor.cc
@@ -1092,6 +1092,7 @@
 
       break;
     case 5:
+    case 15:
       TwoBallAuto();
       return true;
       break;
diff --git a/y2016/actors/drivetrain_action.q b/y2016/actors/drivetrain_action.q
deleted file mode 100644
index 9bbebb2..0000000
--- a/y2016/actors/drivetrain_action.q
+++ /dev/null
@@ -1,29 +0,0 @@
-package y2016.actors;
-
-import "aos/common/actions/actions.q";
-
-// Parameters to send with start.
-struct DrivetrainActionParams {
-  double left_initial_position;
-  double right_initial_position;
-  double y_offset;
-  double theta_offset;
-  double maximum_velocity;
-  double maximum_acceleration;
-  double maximum_turn_velocity;
-  double maximum_turn_acceleration;
-};
-
-queue_group DrivetrainActionQueueGroup {
-  implements aos.common.actions.ActionQueueGroup;
-
-  message Goal {
-    uint32_t run;
-    DrivetrainActionParams params;
-  };
-
-  queue Goal goal;
-  queue aos.common.actions.Status status;
-};
-
-queue_group DrivetrainActionQueueGroup drivetrain_action;
diff --git a/y2016/actors/drivetrain_actor.cc b/y2016/actors/drivetrain_actor.cc
deleted file mode 100644
index 2c7c0e5..0000000
--- a/y2016/actors/drivetrain_actor.cc
+++ /dev/null
@@ -1,182 +0,0 @@
-#include "y2016/actors/drivetrain_actor.h"
-
-#include <functional>
-#include <numeric>
-
-#include <Eigen/Dense>
-
-#include "aos/common/util/phased_loop.h"
-#include "aos/common/logging/logging.h"
-#include "aos/common/util/trapezoid_profile.h"
-#include "aos/common/commonmath.h"
-#include "aos/common/time.h"
-
-#include "y2016/actors/drivetrain_actor.h"
-#include "y2016/constants.h"
-#include "y2016/control_loops/drivetrain/drivetrain_dog_motor_plant.h"
-#include "frc971/control_loops/drivetrain/drivetrain.q.h"
-
-namespace y2016 {
-namespace actors {
-
-DrivetrainActor::DrivetrainActor(actors::DrivetrainActionQueueGroup *s)
-    : aos::common::actions::ActorBase<actors::DrivetrainActionQueueGroup>(s),
-      loop_(::y2016::control_loops::drivetrain::MakeDrivetrainLoop()) {
-  loop_.set_controller_index(3);
-}
-
-bool DrivetrainActor::RunAction(const actors::DrivetrainActionParams &params) {
-  static const auto K = loop_.K();
-
-  const double yoffset = params.y_offset;
-  const double turn_offset =
-      params.theta_offset * control_loops::drivetrain::kRobotRadius;
-  LOG(INFO, "Going to move %f and turn %f\n", yoffset, turn_offset);
-
-  // Measured conversion to get the distance right.
-  ::aos::util::TrapezoidProfile profile(::aos::time::Time::InMS(5));
-  ::aos::util::TrapezoidProfile turn_profile(::aos::time::Time::InMS(5));
-  const double goal_velocity = 0.0;
-  const double epsilon = 0.01;
-  ::Eigen::Matrix<double, 2, 1> left_goal_state, right_goal_state;
-
-  profile.set_maximum_acceleration(params.maximum_acceleration);
-  profile.set_maximum_velocity(params.maximum_velocity);
-  turn_profile.set_maximum_acceleration(
-      params.maximum_turn_acceleration *
-      control_loops::drivetrain::kRobotRadius);
-  turn_profile.set_maximum_velocity(params.maximum_turn_velocity *
-                                    control_loops::drivetrain::kRobotRadius);
-
-  while (true) {
-    ::aos::time::PhasedLoopXMS(5, 2500);
-
-    ::frc971::control_loops::drivetrain_queue.status.FetchLatest();
-    if (::frc971::control_loops::drivetrain_queue.status.get()) {
-      const auto &status = *::frc971::control_loops::drivetrain_queue.status;
-      if (::std::abs(status.uncapped_left_voltage -
-                     status.uncapped_right_voltage) > 24) {
-        LOG(DEBUG, "spinning in place\n");
-        // They're more than 24V apart, so stop moving forwards and let it deal
-        // with spinning first.
-        profile.SetGoal(
-            (status.estimated_left_position + status.estimated_right_position -
-             params.left_initial_position - params.right_initial_position) /
-            2.0);
-      } else {
-        static const double divisor = K(0, 0) + K(0, 2);
-        double dx_left, dx_right;
-
-        if (status.uncapped_left_voltage > 12.0) {
-          dx_left = (status.uncapped_left_voltage - 12.0) / divisor;
-        } else if (status.uncapped_left_voltage < -12.0) {
-          dx_left = (status.uncapped_left_voltage + 12.0) / divisor;
-        } else {
-          dx_left = 0;
-        }
-
-        if (status.uncapped_right_voltage > 12.0) {
-          dx_right = (status.uncapped_right_voltage - 12.0) / divisor;
-        } else if (status.uncapped_right_voltage < -12.0) {
-          dx_right = (status.uncapped_right_voltage + 12.0) / divisor;
-        } else {
-          dx_right = 0;
-        }
-
-        double dx;
-
-        if (dx_left == 0 && dx_right == 0) {
-          dx = 0;
-        } else if (dx_left != 0 && dx_right != 0 &&
-                   ::aos::sign(dx_left) != ::aos::sign(dx_right)) {
-          // Both saturating in opposite directions. Don't do anything.
-          LOG(DEBUG, "Saturating opposite ways, not adjusting\n");
-          dx = 0;
-        } else if (::std::abs(dx_left) > ::std::abs(dx_right)) {
-          dx = dx_left;
-        } else {
-          dx = dx_right;
-        }
-
-        if (dx != 0) {
-          LOG(DEBUG, "adjusting goal by %f\n", dx);
-          profile.MoveGoal(-dx);
-        }
-      }
-    } else {
-      // If we ever get here, that's bad and we should just give up
-      LOG(ERROR, "no drivetrain status!\n");
-      return false;
-    }
-
-    const auto drive_profile_goal_state =
-        profile.Update(yoffset, goal_velocity);
-    const auto turn_profile_goal_state = turn_profile.Update(turn_offset, 0.0);
-    left_goal_state = drive_profile_goal_state - turn_profile_goal_state;
-    right_goal_state = drive_profile_goal_state + turn_profile_goal_state;
-
-    if (::std::abs(drive_profile_goal_state(0, 0) - yoffset) < epsilon &&
-        ::std::abs(turn_profile_goal_state(0, 0) - turn_offset) < epsilon) {
-      break;
-    }
-
-    if (ShouldCancel()) return true;
-
-    LOG(DEBUG, "Driving left to %f, right to %f\n",
-        left_goal_state(0, 0) + params.left_initial_position,
-        right_goal_state(0, 0) + params.right_initial_position);
-    ::frc971::control_loops::drivetrain_queue.goal.MakeWithBuilder()
-        .control_loop_driving(true)
-        .highgear(true)
-        .left_goal(left_goal_state(0, 0) + params.left_initial_position)
-        .right_goal(right_goal_state(0, 0) + params.right_initial_position)
-        .left_velocity_goal(left_goal_state(1, 0))
-        .right_velocity_goal(right_goal_state(1, 0))
-        .Send();
-  }
-  if (ShouldCancel()) return true;
-  ::frc971::control_loops::drivetrain_queue.status.FetchLatest();
-
-  while (!::frc971::control_loops::drivetrain_queue.status.get()) {
-    LOG(WARNING,
-        "No previous drivetrain status packet, trying to fetch again\n");
-    ::frc971::control_loops::drivetrain_queue.status.FetchNextBlocking();
-    if (ShouldCancel()) return true;
-  }
-
-  while (true) {
-    if (ShouldCancel()) return true;
-    const double kPositionThreshold = 0.05;
-
-    const double left_error =
-        ::std::abs(::frc971::control_loops::drivetrain_queue.status
-                       ->estimated_left_position -
-                   (left_goal_state(0, 0) + params.left_initial_position));
-    const double right_error =
-        ::std::abs(::frc971::control_loops::drivetrain_queue.status
-                       ->estimated_right_position -
-                   (right_goal_state(0, 0) + params.right_initial_position));
-    const double velocity_error = ::std::abs(
-        ::frc971::control_loops::drivetrain_queue.status->robot_speed);
-    if (left_error < kPositionThreshold && right_error < kPositionThreshold &&
-        velocity_error < 0.2) {
-      break;
-    } else {
-      LOG(DEBUG, "Drivetrain error is %f, %f, %f\n", left_error, right_error,
-          velocity_error);
-    }
-    ::frc971::control_loops::drivetrain_queue.status.FetchNextBlocking();
-  }
-
-  LOG(INFO, "Done moving\n");
-  return true;
-}
-
-::std::unique_ptr<DrivetrainAction> MakeDrivetrainAction(
-    const ::y2016::actors::DrivetrainActionParams &params) {
-  return ::std::unique_ptr<DrivetrainAction>(
-      new DrivetrainAction(&::y2016::actors::drivetrain_action, params));
-}
-
-}  // namespace actors
-}  // namespace y2016
diff --git a/y2016/actors/drivetrain_actor.h b/y2016/actors/drivetrain_actor.h
deleted file mode 100644
index 0ab3bf2..0000000
--- a/y2016/actors/drivetrain_actor.h
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef Y2016_ACTORS_DRIVETRAIN_ACTOR_H_
-#define Y2016_ACTORS_DRIVETRAIN_ACTOR_H_
-
-#include <memory>
-
-#include "aos/common/actions/actor.h"
-#include "aos/common/actions/actions.h"
-#include "frc971/control_loops/state_feedback_loop.h"
-
-#include "y2016/actors/drivetrain_action.q.h"
-
-namespace y2016 {
-namespace actors {
-
-class DrivetrainActor
-    : public ::aos::common::actions::ActorBase<DrivetrainActionQueueGroup> {
- public:
-  explicit DrivetrainActor(DrivetrainActionQueueGroup *s);
-
-  bool RunAction(const actors::DrivetrainActionParams &params) override;
-
- private:
-  StateFeedbackLoop<4, 2, 2> loop_;
-};
-
-typedef ::aos::common::actions::TypedAction<DrivetrainActionQueueGroup>
-    DrivetrainAction;
-
-// Makes a new DrivetrainActor action.
-::std::unique_ptr<DrivetrainAction> MakeDrivetrainAction(
-    const ::y2016::actors::DrivetrainActionParams &params);
-
-}  // namespace actors
-}  // namespace y2016
-
-#endif
diff --git a/y2016/actors/drivetrain_actor_main.cc b/y2016/actors/drivetrain_actor_main.cc
deleted file mode 100644
index 0fe9e71..0000000
--- a/y2016/actors/drivetrain_actor_main.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-#include <stdio.h>
-
-#include "aos/linux_code/init.h"
-#include "y2016/actors/drivetrain_action.q.h"
-#include "y2016/actors/drivetrain_actor.h"
-
-using ::aos::time::Time;
-
-int main(int /*argc*/, char* /*argv*/ []) {
-  ::aos::Init(-1);
-
-  ::y2016::actors::DrivetrainActor drivetrain(
-      &::y2016::actors::drivetrain_action);
-  drivetrain.Run();
-
-  ::aos::Cleanup();
-  return 0;
-}
diff --git a/y2016/dashboard/dashboard.cc b/y2016/dashboard/dashboard.cc
index 22a77fa..16ad077 100644
--- a/y2016/dashboard/dashboard.cc
+++ b/y2016/dashboard/dashboard.cc
@@ -124,7 +124,9 @@
 
   AddPoint("big indicator", big_indicator);
   AddPoint("superstructure state indicator", superstructure_state_indicator);
-  AddPoint("auto mode indicator", auto_mode_indicator);
+  if(auto_mode_indicator != 15) {
+    AddPoint("auto mode indicator", auto_mode_indicator);
+  }
 #endif
 
   // Get ready for next iteration. /////
diff --git a/y2016/dashboard/www/index.html b/y2016/dashboard/www/index.html
index 3821b48..b7f943f 100644
--- a/y2016/dashboard/www/index.html
+++ b/y2016/dashboard/www/index.html
@@ -90,7 +90,7 @@
               default:
                 $("#bigIndicator").css("background", "#000000");
                 $("#bigIndicator").css("color", "#444444");
-                $("#bigIndicator").text("No ball, no target");
+                $("#bigIndicator").text("No ball");
                 break;
             }
 
@@ -218,7 +218,8 @@
 }
 
 #autoModeIndicator {
-  background: #FF0000;
+  background: #444444;
+  color: #AAAAAA;
 }
 </style>
 </head>
diff --git a/y2016/joystick_reader.cc b/y2016/joystick_reader.cc
index 45733ff..6a0edf0 100644
--- a/y2016/joystick_reader.cc
+++ b/y2016/joystick_reader.cc
@@ -120,8 +120,6 @@
 
   void HandleDrivetrain(const ::aos::input::driver_station::Data &data) {
     bool is_control_loop_driving = false;
-    static double left_goal = 0.0;
-    static double right_goal = 0.0;
 
     const double wheel = -data.GetAxis(kSteeringWheel);
     const double throttle = -data.GetAxis(kDriveThrottle);
@@ -238,18 +236,15 @@
       shooter_velocity_ = 640.0;
       intake_goal_ = intake_when_shooting;
     } else if (data.IsPressed(kBackFender)) {
-      // Fender shot back
-      shoulder_goal_ = M_PI / 2.0 - 0.2;
-      wrist_goal_ = -0.55;
-      shooter_velocity_ = 600.0;
+      // Backwards shot no IMU
+      shoulder_goal_ = M_PI / 2.0 - 0.4;
+      wrist_goal_ = -0.62 - 0.02;
+      shooter_velocity_ = 640.0;
       intake_goal_ = intake_when_shooting;
     } else if (data.IsPressed(kFrontFender)) {
-      // Forwards shot, higher
+      // Forwards shot no IMU
       shoulder_goal_ = M_PI / 2.0 + 0.1;
-      wrist_goal_ = M_PI + 0.41 + 0.02 + 0.020;
-      if (drivetrain_queue.status.get()) {
-        wrist_goal_ += drivetrain_queue.status->ground_angle;
-      }
+      wrist_goal_ = M_PI + 0.41 + 0.02 - 0.005;
       shooter_velocity_ = 640.0;
       intake_goal_ = intake_when_shooting;
     } else if (data.IsPressed(kExpand) || data.IsPressed(kWinch)) {
@@ -458,6 +453,10 @@
   double wrist_goal_;
   double shooter_velocity_ = 0.0;
 
+  // Turning goals
+  double left_goal;
+  double right_goal;
+
   bool was_running_ = false;
   bool auto_running_ = false;
 
diff --git a/y2016_bot3/actors/BUILD b/y2016_bot3/actors/BUILD
index 6453f13..aa774a3 100644
--- a/y2016_bot3/actors/BUILD
+++ b/y2016_bot3/actors/BUILD
@@ -5,60 +5,11 @@
 filegroup(
   name = 'binaries',
   srcs = [
-    ':drivetrain_action',
     ':autonomous_action',
   ],
 )
 
 queue_library(
-  name = 'drivetrain_action_queue',
-  srcs = [
-    'drivetrain_action.q',
-  ],
-  deps = [
-    '//aos/common/actions:action_queue',
-  ],
-)
-
-cc_library(
-  name = 'drivetrain_action_lib',
-  srcs = [
-    'drivetrain_actor.cc',
-  ],
-  hdrs = [
-    'drivetrain_actor.h',
-  ],
-  deps = [
-    ':drivetrain_action_queue',
-    '//aos/common:time',
-    '//aos/common:math',
-    '//aos/common/util:phased_loop',
-    '//aos/common/logging',
-    '//aos/common/actions:action_lib',
-    '//aos/common/logging:queue_logging',
-    '//aos/common/util:trapezoid_profile',
-    '//frc971/control_loops/drivetrain:drivetrain_queue',
-    '//frc971/control_loops:state_feedback_loop',
-    '//third_party/eigen',
-    '//y2016_bot3/control_loops/intake:intake_lib',
-    '//y2016_bot3/control_loops/drivetrain:drivetrain_base',
-    '//y2016_bot3/control_loops/drivetrain:polydrivetrain_plants',
-  ],
-)
-
-cc_binary(
-  name = 'drivetrain_action',
-  srcs = [
-    'drivetrain_actor_main.cc',
-  ],
-  deps = [
-    ':drivetrain_action_lib',
-    ':drivetrain_action_queue',
-    '//aos/linux_code:init',
-  ],
-)
-
-queue_library(
   name = 'autonomous_action_queue',
   srcs = [
     'autonomous_action.q',
diff --git a/y2016_bot3/actors/autonomous_actor.cc b/y2016_bot3/actors/autonomous_actor.cc
index 4167f2e..27dae0e 100644
--- a/y2016_bot3/actors/autonomous_actor.cc
+++ b/y2016_bot3/actors/autonomous_actor.cc
@@ -204,14 +204,12 @@
 void AutonomousActor::MoveIntake(double intake_goal,
                                  const ProfileParameters intake_params,
                                  bool traverse_up, double roller_power) {
-
   auto new_intake_goal =
       ::y2016_bot3::control_loops::intake_queue.goal.MakeMessage();
 
   new_intake_goal->angle_intake = intake_goal;
 
-  new_intake_goal->max_angular_velocity_intake =
-      intake_params.max_velocity;
+  new_intake_goal->max_angular_velocity_intake = intake_params.max_velocity;
 
   new_intake_goal->max_angular_acceleration_intake =
       intake_params.max_acceleration;
@@ -219,7 +217,6 @@
   new_intake_goal->voltage_top_rollers = roller_power;
   new_intake_goal->voltage_bottom_rollers = roller_power;
 
-  new_intake_goal->traverse_unlatched = true;
   new_intake_goal->traverse_down = !traverse_up;
 
   if (!new_intake_goal.Send()) {
@@ -241,13 +238,15 @@
 
   if (::std::abs(control_loops::intake_queue.status->intake.goal_angle -
                  intake_goal_.intake) < kProfileError &&
-      ::std::abs(control_loops::intake_queue.status->intake
-                     .goal_angular_velocity) < kProfileError) {
+      ::std::abs(
+          control_loops::intake_queue.status->intake.goal_angular_velocity) <
+          kProfileError) {
     LOG(DEBUG, "Profile done.\n");
     if (::std::abs(control_loops::intake_queue.status->intake.angle -
                    intake_goal_.intake) < kEpsilon &&
-        ::std::abs(control_loops::intake_queue.status->intake
-                       .angular_velocity) < kEpsilon) {
+        ::std::abs(
+            control_loops::intake_queue.status->intake.angular_velocity) <
+            kEpsilon) {
       LOG(INFO, "Near goal, done.\n");
       return true;
     }
diff --git a/y2016_bot3/actors/drivetrain_action.q b/y2016_bot3/actors/drivetrain_action.q
deleted file mode 100644
index 7775cad..0000000
--- a/y2016_bot3/actors/drivetrain_action.q
+++ /dev/null
@@ -1,29 +0,0 @@
-package y2016_bot3.actors;
-
-import "aos/common/actions/actions.q";
-
-// Parameters to send with start.
-struct DrivetrainActionParams {
-  double left_initial_position;
-  double right_initial_position;
-  double y_offset;
-  double theta_offset;
-  double maximum_velocity;
-  double maximum_acceleration;
-  double maximum_turn_velocity;
-  double maximum_turn_acceleration;
-};
-
-queue_group DrivetrainActionQueueGroup {
-  implements aos.common.actions.ActionQueueGroup;
-
-  message Goal {
-    uint32_t run;
-    DrivetrainActionParams params;
-  };
-
-  queue Goal goal;
-  queue aos.common.actions.Status status;
-};
-
-queue_group DrivetrainActionQueueGroup drivetrain_action;
diff --git a/y2016_bot3/actors/drivetrain_actor.cc b/y2016_bot3/actors/drivetrain_actor.cc
deleted file mode 100644
index 686c50f..0000000
--- a/y2016_bot3/actors/drivetrain_actor.cc
+++ /dev/null
@@ -1,181 +0,0 @@
-#include "y2016_bot3/actors/drivetrain_actor.h"
-
-#include <functional>
-#include <numeric>
-
-#include <Eigen/Dense>
-
-#include "aos/common/util/phased_loop.h"
-#include "aos/common/logging/logging.h"
-#include "aos/common/util/trapezoid_profile.h"
-#include "aos/common/commonmath.h"
-#include "aos/common/time.h"
-
-#include "y2016_bot3/actors/drivetrain_actor.h"
-#include "y2016_bot3/control_loops/drivetrain/drivetrain_dog_motor_plant.h"
-#include "frc971/control_loops/drivetrain/drivetrain.q.h"
-
-namespace y2016_bot3 {
-namespace actors {
-
-DrivetrainActor::DrivetrainActor(actors::DrivetrainActionQueueGroup *s)
-    : aos::common::actions::ActorBase<actors::DrivetrainActionQueueGroup>(s),
-      loop_(::y2016_bot3::control_loops::drivetrain::MakeDrivetrainLoop()) {
-  loop_.set_controller_index(3);
-}
-
-bool DrivetrainActor::RunAction(const actors::DrivetrainActionParams &params) {
-  static const auto K = loop_.K();
-
-  const double yoffset = params.y_offset;
-  const double turn_offset =
-      params.theta_offset * control_loops::drivetrain::kRobotRadius;
-  LOG(INFO, "Going to move %f and turn %f\n", yoffset, turn_offset);
-
-  // Measured conversion to get the distance right.
-  ::aos::util::TrapezoidProfile profile(::aos::time::Time::InMS(5));
-  ::aos::util::TrapezoidProfile turn_profile(::aos::time::Time::InMS(5));
-  const double goal_velocity = 0.0;
-  const double epsilon = 0.01;
-  ::Eigen::Matrix<double, 2, 1> left_goal_state, right_goal_state;
-
-  profile.set_maximum_acceleration(params.maximum_acceleration);
-  profile.set_maximum_velocity(params.maximum_velocity);
-  turn_profile.set_maximum_acceleration(
-      params.maximum_turn_acceleration *
-      control_loops::drivetrain::kRobotRadius);
-  turn_profile.set_maximum_velocity(params.maximum_turn_velocity *
-                                    control_loops::drivetrain::kRobotRadius);
-
-  while (true) {
-    ::aos::time::PhasedLoopXMS(5, 2500);
-
-    ::frc971::control_loops::drivetrain_queue.status.FetchLatest();
-    if (::frc971::control_loops::drivetrain_queue.status.get()) {
-      const auto &status = *::frc971::control_loops::drivetrain_queue.status;
-      if (::std::abs(status.uncapped_left_voltage -
-                     status.uncapped_right_voltage) > 24) {
-        LOG(DEBUG, "spinning in place\n");
-        // They're more than 24V apart, so stop moving forwards and let it deal
-        // with spinning first.
-        profile.SetGoal(
-            (status.estimated_left_position + status.estimated_right_position -
-             params.left_initial_position - params.right_initial_position) /
-            2.0);
-      } else {
-        static const double divisor = K(0, 0) + K(0, 2);
-        double dx_left, dx_right;
-
-        if (status.uncapped_left_voltage > 12.0) {
-          dx_left = (status.uncapped_left_voltage - 12.0) / divisor;
-        } else if (status.uncapped_left_voltage < -12.0) {
-          dx_left = (status.uncapped_left_voltage + 12.0) / divisor;
-        } else {
-          dx_left = 0;
-        }
-
-        if (status.uncapped_right_voltage > 12.0) {
-          dx_right = (status.uncapped_right_voltage - 12.0) / divisor;
-        } else if (status.uncapped_right_voltage < -12.0) {
-          dx_right = (status.uncapped_right_voltage + 12.0) / divisor;
-        } else {
-          dx_right = 0;
-        }
-
-        double dx;
-
-        if (dx_left == 0 && dx_right == 0) {
-          dx = 0;
-        } else if (dx_left != 0 && dx_right != 0 &&
-                   ::aos::sign(dx_left) != ::aos::sign(dx_right)) {
-          // Both saturating in opposite directions. Don't do anything.
-          LOG(DEBUG, "Saturating opposite ways, not adjusting\n");
-          dx = 0;
-        } else if (::std::abs(dx_left) > ::std::abs(dx_right)) {
-          dx = dx_left;
-        } else {
-          dx = dx_right;
-        }
-
-        if (dx != 0) {
-          LOG(DEBUG, "adjusting goal by %f\n", dx);
-          profile.MoveGoal(-dx);
-        }
-      }
-    } else {
-      // If we ever get here, that's bad and we should just give up
-      LOG(ERROR, "no drivetrain status!\n");
-      return false;
-    }
-
-    const auto drive_profile_goal_state =
-        profile.Update(yoffset, goal_velocity);
-    const auto turn_profile_goal_state = turn_profile.Update(turn_offset, 0.0);
-    left_goal_state = drive_profile_goal_state - turn_profile_goal_state;
-    right_goal_state = drive_profile_goal_state + turn_profile_goal_state;
-
-    if (::std::abs(drive_profile_goal_state(0, 0) - yoffset) < epsilon &&
-        ::std::abs(turn_profile_goal_state(0, 0) - turn_offset) < epsilon) {
-      break;
-    }
-
-    if (ShouldCancel()) return true;
-
-    LOG(DEBUG, "Driving left to %f, right to %f\n",
-        left_goal_state(0, 0) + params.left_initial_position,
-        right_goal_state(0, 0) + params.right_initial_position);
-    ::frc971::control_loops::drivetrain_queue.goal.MakeWithBuilder()
-        .control_loop_driving(true)
-        .highgear(true)
-        .left_goal(left_goal_state(0, 0) + params.left_initial_position)
-        .right_goal(right_goal_state(0, 0) + params.right_initial_position)
-        .left_velocity_goal(left_goal_state(1, 0))
-        .right_velocity_goal(right_goal_state(1, 0))
-        .Send();
-  }
-  if (ShouldCancel()) return true;
-  ::frc971::control_loops::drivetrain_queue.status.FetchLatest();
-
-  while (!::frc971::control_loops::drivetrain_queue.status.get()) {
-    LOG(WARNING,
-        "No previous drivetrain status packet, trying to fetch again\n");
-    ::frc971::control_loops::drivetrain_queue.status.FetchNextBlocking();
-    if (ShouldCancel()) return true;
-  }
-
-  while (true) {
-    if (ShouldCancel()) return true;
-    const double kPositionThreshold = 0.05;
-
-    const double left_error =
-        ::std::abs(::frc971::control_loops::drivetrain_queue.status
-                       ->estimated_left_position -
-                   (left_goal_state(0, 0) + params.left_initial_position));
-    const double right_error =
-        ::std::abs(::frc971::control_loops::drivetrain_queue.status
-                       ->estimated_right_position -
-                   (right_goal_state(0, 0) + params.right_initial_position));
-    const double velocity_error = ::std::abs(
-        ::frc971::control_loops::drivetrain_queue.status->robot_speed);
-    if (left_error < kPositionThreshold && right_error < kPositionThreshold &&
-        velocity_error < 0.2) {
-      break;
-    } else {
-      LOG(DEBUG, "Drivetrain error is %f, %f, %f\n", left_error, right_error,
-          velocity_error);
-    }
-    ::frc971::control_loops::drivetrain_queue.status.FetchNextBlocking();
-  }
-
-  LOG(INFO, "Done moving\n");
-  return true;
-}
-
-::std::unique_ptr<DrivetrainAction> MakeDrivetrainAction(
-    const ::y2016_bot3::actors::DrivetrainActionParams &params) {
-  return ::std::unique_ptr<DrivetrainAction>(
-      new DrivetrainAction(&::y2016_bot3::actors::drivetrain_action, params));
-}
-
-}  // namespace actors
-}  // namespace y2016_bot3
diff --git a/y2016_bot3/actors/drivetrain_actor.h b/y2016_bot3/actors/drivetrain_actor.h
deleted file mode 100644
index ebf3ed5..0000000
--- a/y2016_bot3/actors/drivetrain_actor.h
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef Y2016_BOT3_ACTORS_DRIVETRAIN_ACTOR_H_
-#define Y2016_BOT3_ACTORS_DRIVETRAIN_ACTOR_H_
-
-#include <memory>
-
-#include "aos/common/actions/actor.h"
-#include "aos/common/actions/actions.h"
-#include "frc971/control_loops/state_feedback_loop.h"
-
-#include "y2016_bot3/actors/drivetrain_action.q.h"
-
-namespace y2016_bot3 {
-namespace actors {
-
-class DrivetrainActor
-    : public ::aos::common::actions::ActorBase<DrivetrainActionQueueGroup> {
- public:
-  explicit DrivetrainActor(DrivetrainActionQueueGroup *s);
-
-  bool RunAction(const actors::DrivetrainActionParams &params) override;
-
- private:
-  StateFeedbackLoop<4, 2, 2> loop_;
-};
-
-typedef ::aos::common::actions::TypedAction<DrivetrainActionQueueGroup>
-    DrivetrainAction;
-
-// Makes a new DrivetrainActor action.
-::std::unique_ptr<DrivetrainAction> MakeDrivetrainAction(
-    const ::y2016_bot3::actors::DrivetrainActionParams &params);
-
-}  // namespace actors
-}  // namespace y2016_bot3
-
-#endif
diff --git a/y2016_bot3/actors/drivetrain_actor_main.cc b/y2016_bot3/actors/drivetrain_actor_main.cc
deleted file mode 100644
index 41a4d28..0000000
--- a/y2016_bot3/actors/drivetrain_actor_main.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-#include <stdio.h>
-
-#include "aos/linux_code/init.h"
-#include "y2016_bot3/actors/drivetrain_action.q.h"
-#include "y2016_bot3/actors/drivetrain_actor.h"
-
-using ::aos::time::Time;
-
-int main(int /*argc*/, char* /*argv*/ []) {
-  ::aos::Init(-1);
-
-  ::y2016_bot3::actors::DrivetrainActor drivetrain(
-      &::y2016_bot3::actors::drivetrain_action);
-  drivetrain.Run();
-
-  ::aos::Cleanup();
-  return 0;
-}
diff --git a/y2016_bot3/control_loops/drivetrain/drivetrain_base.cc b/y2016_bot3/control_loops/drivetrain/drivetrain_base.cc
index cefb1cf..5997342 100644
--- a/y2016_bot3/control_loops/drivetrain/drivetrain_base.cc
+++ b/y2016_bot3/control_loops/drivetrain/drivetrain_base.cc
@@ -36,7 +36,9 @@
       kThreeStateDriveShifter,
       kThreeStateDriveShifter,
       true,
-      0.0};
+      0.0,
+      0.4,
+      1.0};
 
   return kDrivetrainConfig;
 };
diff --git a/y2016_bot3/control_loops/drivetrain/drivetrain_base.h b/y2016_bot3/control_loops/drivetrain/drivetrain_base.h
index d6a041e..280d1c5 100644
--- a/y2016_bot3/control_loops/drivetrain/drivetrain_base.h
+++ b/y2016_bot3/control_loops/drivetrain/drivetrain_base.h
@@ -8,7 +8,6 @@
 static constexpr double drivetrain_max_speed = 5.0;
 
 // The ratio from the encoder shaft to the drivetrain wheels.
-// TODO(constants): Update these.
 static constexpr double kDrivetrainEncoderRatio = 1.0;
 
 }  // namespace constants
diff --git a/y2016_bot3/control_loops/intake/intake.cc b/y2016_bot3/control_loops/intake/intake.cc
index 5320cd5..b3d86af 100644
--- a/y2016_bot3/control_loops/intake/intake.cc
+++ b/y2016_bot3/control_loops/intake/intake.cc
@@ -16,7 +16,7 @@
 // The maximum voltage the intake roller will be allowed to use.
 constexpr float kMaxIntakeTopVoltage = 12.0;
 constexpr float kMaxIntakeBottomVoltage = 12.0;
-
+constexpr float kMaxIntakeRollersVoltage = 12.0;
 }
 // namespace
 
@@ -33,28 +33,6 @@
               .lpNorm<Eigen::Infinity>() < tolerance);
 }
 
-double Intake::MoveButKeepAbove(double reference_angle, double current_angle,
-                                double move_distance) {
-  return -MoveButKeepBelow(-reference_angle, -current_angle, -move_distance);
-}
-
-double Intake::MoveButKeepBelow(double reference_angle, double current_angle,
-                                double move_distance) {
-  // There are 3 interesting places to move to.
-  const double small_negative_move = current_angle - move_distance;
-  const double small_positive_move = current_angle + move_distance;
-  // And the reference angle.
-
-  // Move the the highest one that is below reference_angle.
-  if (small_negative_move > reference_angle) {
-    return reference_angle;
-  } else if (small_positive_move > reference_angle) {
-    return small_negative_move;
-  } else {
-    return small_positive_move;
-  }
-}
-
 void Intake::RunIteration(const control_loops::IntakeQueue::Goal *unsafe_goal,
                           const control_loops::IntakeQueue::Position *position,
                           control_loops::IntakeQueue::Output *output,
@@ -162,10 +140,10 @@
 
         requested_intake = unsafe_goal->angle_intake;
       }
-      //Push the request out to the hardware.
+      // Push the request out to the hardware.
       limit_checker_.UpdateGoal(requested_intake);
 
-            // ESTOP if we hit the hard limits.
+      // ESTOP if we hit the hard limits.
       if (intake_.CheckHardLimits() && output) {
         state_ = ESTOP;
       }
@@ -198,6 +176,7 @@
 
     output->voltage_top_rollers = 0.0;
     output->voltage_bottom_rollers = 0.0;
+    output->voltage_intake_rollers = 0.0;
 
     if (unsafe_goal) {
       // Ball detector lights.
@@ -212,6 +191,10 @@
         output->voltage_top_rollers = ::std::max(
             -kMaxIntakeTopVoltage,
             ::std::min(unsafe_goal->voltage_top_rollers, kMaxIntakeTopVoltage));
+        output->voltage_intake_rollers =
+            ::std::max(-kMaxIntakeRollersVoltage,
+                       ::std::min(unsafe_goal->voltage_intake_rollers,
+                                  kMaxIntakeRollersVoltage));
         output->voltage_bottom_rollers =
             ::std::max(-kMaxIntakeBottomVoltage,
                        ::std::min(unsafe_goal->voltage_bottom_rollers,
@@ -222,7 +205,6 @@
       }
 
       // Traverse.
-      output->traverse_unlatched = unsafe_goal->traverse_unlatched;
       output->traverse_down = unsafe_goal->traverse_down;
     }
   }
diff --git a/y2016_bot3/control_loops/intake/intake.h b/y2016_bot3/control_loops/intake/intake.h
index fed17ab..cfc204f 100644
--- a/y2016_bot3/control_loops/intake/intake.h
+++ b/y2016_bot3/control_loops/intake/intake.h
@@ -29,18 +29,19 @@
 // the use.
 // TODO(constants): Update these.
 static constexpr ::frc971::constants::Range kIntakeRange{// Lower hard stop
-                                                         -0.5,
+                                                         -0.4,
                                                          // Upper hard stop
                                                          2.90,
                                                          // Lower soft stop
-                                                         -0.300,
+                                                         -0.28,
                                                          // Uppper soft stop
-                                                         2.725};
+                                                         2.77};
 
 struct IntakeZero {
-  double pot_offset = 0.0;
-  ::frc971::constants::ZeroingConstants zeroing{
-      kZeroingSampleSize, kIntakeEncoderIndexDifference, 0.0, 0.3};
+  double pot_offset = 5.462409 + 0.333162;
+  ::frc971::constants::ZeroingConstants zeroing{kZeroingSampleSize,
+                                                kIntakeEncoderIndexDifference,
+                                                +(-0.291240 + 0.148604), 0.3};
 };
 }  // namespace constants
 namespace control_loops {
@@ -54,12 +55,14 @@
 class IntakeTest_DisabledWhileZeroingLow_Test;
 }
 
+// TODO(Adam): Implement this class and delete it from here.
 class LimitChecker {
-  public:
-    LimitChecker(IntakeArm *intake) : intake_(intake) {}
-    void UpdateGoal(double intake_angle_goal);
-  private:
-    IntakeArm *intake_;
+ public:
+  LimitChecker(IntakeArm *intake) : intake_(intake) {}
+  void UpdateGoal(double intake_angle_goal);
+
+ private:
+  IntakeArm *intake_;
 };
 
 class Intake : public ::aos::controls::ControlLoop<control_loops::IntakeQueue> {
@@ -109,15 +112,6 @@
 
   State state() const { return state_; }
 
-  // Returns the value to move the joint to such that it will stay below
-  // reference_angle starting at current_angle, but move at least move_distance
-  static double MoveButKeepBelow(double reference_angle, double current_angle,
-                                 double move_distance);
-  // Returns the value to move the joint to such that it will stay above
-  // reference_angle starting at current_angle, but move at least move_distance
-  static double MoveButKeepAbove(double reference_angle, double current_angle,
-                                 double move_distance);
-
  protected:
   void RunIteration(const control_loops::IntakeQueue::Goal *unsafe_goal,
                     const control_loops::IntakeQueue::Position *position,
@@ -145,7 +139,6 @@
   DISALLOW_COPY_AND_ASSIGN(Intake);
 };
 
-
 }  // namespace intake
 }  // namespace control_loops
 }  // namespace y2016_bot3
diff --git a/y2016_bot3/control_loops/intake/intake.q b/y2016_bot3/control_loops/intake/intake.q
index da3edbb..55d102d 100644
--- a/y2016_bot3/control_loops/intake/intake.q
+++ b/y2016_bot3/control_loops/intake/intake.q
@@ -57,12 +57,10 @@
     // Voltage to send to the rollers. Positive is sucking in.
     float voltage_top_rollers;
     float voltage_bottom_rollers;
+    float voltage_intake_rollers;
 
     bool force_intake;
 
-    // If true, release the latch which holds the traverse mechanism in the
-    // middle.
-    bool traverse_unlatched;
     // If true, fire the traverse mechanism down.
     bool traverse_down;
   };
@@ -77,12 +75,8 @@
     // The internal state of the state machine.
     int32_t state;
 
-
     // Estimated angle and angular velocitie of the intake.
     JointState intake;
-
-    // Is the intake collided?
-    bool is_collided;
   };
 
   message Position {
@@ -96,9 +90,8 @@
 
     float voltage_top_rollers;
     float voltage_bottom_rollers;
+    float voltage_intake_rollers;
 
-    // If true, release the latch to hold the traverse mechanism in the middle.
-    bool traverse_unlatched;
     // If true, fire the traverse mechanism down.
     bool traverse_down;
   };
diff --git a/y2016_bot3/control_loops/intake/intake_lib_test.cc b/y2016_bot3/control_loops/intake/intake_lib_test.cc
index 43232aa..4048a19 100644
--- a/y2016_bot3/control_loops/intake/intake_lib_test.cc
+++ b/y2016_bot3/control_loops/intake/intake_lib_test.cc
@@ -443,14 +443,6 @@
   EXPECT_EQ(Intake::RUNNING, intake_.state());
 }
 
-// Tests that MoveButKeepBelow returns sane values.
-TEST_F(IntakeTest, MoveButKeepBelowTest) {
-  EXPECT_EQ(1.0, Intake::MoveButKeepBelow(1.0, 10.0, 1.0));
-  EXPECT_EQ(1.0, Intake::MoveButKeepBelow(1.0, 2.0, 1.0));
-  EXPECT_EQ(0.0, Intake::MoveButKeepBelow(1.0, 1.0, 1.0));
-  EXPECT_EQ(1.0, Intake::MoveButKeepBelow(1.0, 0.0, 1.0));
-}
-
 // Tests that the integrators works.
 TEST_F(IntakeTest, IntegratorTest) {
   intake_plant_.InitializeIntakePosition(
diff --git a/y2016_bot3/control_loops/python/drivetrain.py b/y2016_bot3/control_loops/python/drivetrain.py
index 5a67416..5de7dbc 100755
--- a/y2016_bot3/control_loops/python/drivetrain.py
+++ b/y2016_bot3/control_loops/python/drivetrain.py
@@ -71,9 +71,9 @@
     # Free Current in Amps
     self.free_current = 4.7 * self.num_motors
     # Moment of inertia of the drivetrain in kg m^2
-    self.J = 2.0
+    self.J = 8.0
     # Mass of the robot, in kg.
-    self.m = 68
+    self.m = 45
     # Radius of the robot, in meters (requires tuning by hand)
     self.rb = 0.601 / 2.0
     # Radius of the wheels, in meters.
diff --git a/y2016_bot3/control_loops/python/polydrivetrain.py b/y2016_bot3/control_loops/python/polydrivetrain.py
index ac85bb6..07f9ff9 100755
--- a/y2016_bot3/control_loops/python/polydrivetrain.py
+++ b/y2016_bot3/control_loops/python/polydrivetrain.py
@@ -128,7 +128,7 @@
     # FF * X = U (steady state)
     self.FF = self.B.I * (numpy.eye(2) - self.A)
 
-    self.PlaceControllerPoles([0.67, 0.67])
+    self.PlaceControllerPoles([0.85, 0.85])
     self.PlaceObserverPoles([0.02, 0.02])
 
     self.G_high = self._drivetrain.G_high
diff --git a/y2016_bot3/joystick_reader.cc b/y2016_bot3/joystick_reader.cc
index a02142d..02e6817 100644
--- a/y2016_bot3/joystick_reader.cc
+++ b/y2016_bot3/joystick_reader.cc
@@ -40,11 +40,11 @@
 const ButtonLocation kTurn2(1, 11);
 
 // Buttons on the lexan driver station to get things running on bring-up day.
-const ButtonLocation kIntakeDown(3, 11);
-const ButtonLocation kIntakeIn(3, 12);
+const ButtonLocation kIntakeDown(3, 5);
+const ButtonLocation kIntakeIn(3, 4);
 const ButtonLocation kFire(3, 3);
-const ButtonLocation kIntakeOut(3, 9);
-const ButtonLocation kChevalDeFrise(3, 8);
+const ButtonLocation kIntakeOut(3, 3);
+const ButtonLocation kChevalDeFrise(3, 11);
 
 class Reader : public ::aos::input::JoystickInput {
  public:
@@ -143,11 +143,8 @@
       saw_ball_when_started_intaking_ = ball_detected;
     }
 
-    if (data.IsPressed(kIntakeIn)) {
-      is_intaking_ = (!ball_detected || saw_ball_when_started_intaking_);
-    } else {
-      is_intaking_ = false;
-    }
+    is_intaking_ = data.IsPressed(kIntakeIn) &&
+                   (!ball_detected || saw_ball_when_started_intaking_);
 
     is_outtaking_ = data.IsPressed(kIntakeOut);
 
@@ -168,10 +165,8 @@
     }
 
     if (data.IsPressed(kChevalDeFrise)) {
-      traverse_unlatched_ = false;
       traverse_down_ = true;
     } else {
-      traverse_unlatched_ = true;
       traverse_down_ = false;
     }
 
@@ -182,23 +177,26 @@
       new_intake_goal->max_angular_velocity_intake = 7.0;
       new_intake_goal->max_angular_acceleration_intake = 40.0;
 
-      // Granny mode
-      /*
+#define GrannyMode false
+#if GrannyMode
       new_intake_goal->max_angular_velocity_intake = 0.2;
       new_intake_goal->max_angular_acceleration_intake = 1.0;
-      */
+#endif
+
       if (is_intaking_) {
-        new_intake_goal->voltage_top_rollers = 12.0;
+        new_intake_goal->voltage_intake_rollers = -12.0;
+        new_intake_goal->voltage_top_rollers = -12.0;
         new_intake_goal->voltage_bottom_rollers = 12.0;
       } else if (is_outtaking_) {
-        new_intake_goal->voltage_top_rollers = -12.0;
+        new_intake_goal->voltage_intake_rollers = 12.0;
+        new_intake_goal->voltage_top_rollers = 12.0;
         new_intake_goal->voltage_bottom_rollers = -7.0;
       } else {
+        new_intake_goal->voltage_intake_rollers = 0.0;
         new_intake_goal->voltage_top_rollers = 0.0;
         new_intake_goal->voltage_bottom_rollers = 0.0;
       }
 
-      new_intake_goal->traverse_unlatched = traverse_unlatched_;
       new_intake_goal->traverse_down = traverse_down_;
       new_intake_goal->force_intake = true;
 
@@ -236,7 +234,6 @@
   bool was_running_ = false;
   bool auto_running_ = false;
 
-  bool traverse_unlatched_ = false;
   bool traverse_down_ = false;
 
   // If we're waiting for the subsystems to zero.
diff --git a/y2016_bot3/wpilib/wpilib_interface.cc b/y2016_bot3/wpilib/wpilib_interface.cc
index ad75401..3d7d8ce 100644
--- a/y2016_bot3/wpilib/wpilib_interface.cc
+++ b/y2016_bot3/wpilib/wpilib_interface.cc
@@ -84,13 +84,13 @@
 // with proper units.
 
 double drivetrain_translate(int32_t in) {
-  return -static_cast<double>(in) / (256.0 /*cpr*/ * 4.0 /*4x*/) *
+  return -static_cast<double>(in) / (512.0 /*cpr*/ * 4.0 /*4x*/) *
          ::y2016_bot3::constants::kDrivetrainEncoderRatio *
          control_loops::drivetrain::kWheelRadius * 2.0 * M_PI;
 }
 
 double drivetrain_velocity_translate(double in) {
-  return (1.0 / in) / 256.0 /*cpr*/ *
+  return (1.0 / in) / 512.0 /*cpr*/ *
          ::y2016_bot3::constants::kDrivetrainEncoderRatio *
          control_loops::drivetrain::kWheelRadius * 2.0 * M_PI;
 }
@@ -102,7 +102,7 @@
 
 double intake_pot_translate(double voltage) {
   return voltage * ::y2016_bot3::constants::kIntakePotRatio *
-         (10.0 /*turns*/ / 5.0 /*volts*/) * (2 * M_PI /*radians*/);
+         (5.0 /*turns*/ / 5.0 /*volts*/) * (2 * M_PI /*radians*/);
 }
 
 constexpr double kMaxDrivetrainEncoderPulsesPerSecond =
@@ -194,7 +194,7 @@
     {
       auto drivetrain_message = drivetrain_queue.position.MakeMessage();
       drivetrain_message->right_encoder =
-          drivetrain_translate(-drivetrain_right_encoder_->GetRaw());
+          drivetrain_translate(drivetrain_right_encoder_->GetRaw());
       drivetrain_message->left_encoder =
           -drivetrain_translate(drivetrain_left_encoder_->GetRaw());
       drivetrain_message->left_speed =
@@ -210,7 +210,7 @@
     {
       auto intake_message = intake_queue.position.MakeMessage();
       CopyPotAndIndexPosition(intake_encoder_, &intake_message->intake,
-                              intake_translate, intake_pot_translate, false,
+                              intake_translate, intake_pot_translate, true,
                               intake_pot_offset);
 
       intake_message.Send();
@@ -286,11 +286,6 @@
     traverse_ = ::std::move(s);
   }
 
-  void set_traverse_latch(
-      ::std::unique_ptr<::frc971::wpilib::BufferedSolenoid> s) {
-    traverse_latch_ = ::std::move(s);
-  }
-
   void operator()() {
     compressor_->Start();
     ::aos::SetCurrentThreadName("Solenoids");
@@ -311,9 +306,7 @@
         intake_.FetchLatest();
         if (intake_.get()) {
           LOG_STRUCT(DEBUG, "solenoids", *intake_);
-
           traverse_->Set(intake_->traverse_down);
-          traverse_latch_->Set(intake_->traverse_unlatched);
         }
       }
 
@@ -333,8 +326,7 @@
  private:
   const ::std::unique_ptr<::frc971::wpilib::BufferedPcm> &pcm_;
 
-  ::std::unique_ptr<::frc971::wpilib::BufferedSolenoid> traverse_,
-      traverse_latch_;
+  ::std::unique_ptr<::frc971::wpilib::BufferedSolenoid> traverse_;
   ::std::unique_ptr<Compressor> compressor_;
 
   ::aos::Queue<::frc971::control_loops::DrivetrainQueue::Output> drivetrain_;
@@ -345,12 +337,16 @@
 
 class DrivetrainWriter : public ::frc971::wpilib::LoopOutputHandler {
  public:
-  void set_drivetrain_left_talon(::std::unique_ptr<Talon> t) {
-    drivetrain_left_talon_ = ::std::move(t);
+  void set_drivetrain_left_talon(::std::unique_ptr<Talon> t0,
+                                 ::std::unique_ptr<Talon> t1) {
+    drivetrain_left_talon_0_ = ::std::move(t0);
+    drivetrain_left_talon_1_ = ::std::move(t1);
   }
 
-  void set_drivetrain_right_talon(::std::unique_ptr<Talon> t) {
-    drivetrain_right_talon_ = ::std::move(t);
+  void set_drivetrain_right_talon(::std::unique_ptr<Talon> t0,
+                                  ::std::unique_ptr<Talon> t1) {
+    drivetrain_right_talon_0_ = ::std::move(t0);
+    drivetrain_right_talon_1_ = ::std::move(t1);
   }
 
  private:
@@ -361,17 +357,22 @@
   virtual void Write() override {
     auto &queue = ::frc971::control_loops::drivetrain_queue.output;
     LOG_STRUCT(DEBUG, "will output", *queue);
-    drivetrain_left_talon_->Set(queue->left_voltage / 12.0);
-    drivetrain_right_talon_->Set(-queue->right_voltage / 12.0);
+    drivetrain_left_talon_0_->Set(queue->left_voltage / 12.0);
+    drivetrain_left_talon_1_->Set(queue->left_voltage / 12.0);
+    drivetrain_right_talon_0_->Set(-queue->right_voltage / 12.0);
+    drivetrain_right_talon_1_->Set(-queue->right_voltage / 12.0);
   }
 
   virtual void Stop() override {
     LOG(WARNING, "drivetrain output too old\n");
-    drivetrain_left_talon_->Disable();
-    drivetrain_right_talon_->Disable();
+    drivetrain_left_talon_0_->Disable();
+    drivetrain_right_talon_0_->Disable();
+    drivetrain_left_talon_1_->Disable();
+    drivetrain_right_talon_1_->Disable();
   }
 
-  ::std::unique_ptr<Talon> drivetrain_left_talon_, drivetrain_right_talon_;
+  ::std::unique_ptr<Talon> drivetrain_left_talon_0_, drivetrain_right_talon_0_,
+      drivetrain_right_talon_1_, drivetrain_left_talon_1_;
 };
 
 class IntakeWriter : public ::frc971::wpilib::LoopOutputHandler {
@@ -380,6 +381,10 @@
     intake_talon_ = ::std::move(t);
   }
 
+  void set_intake_rollers_talon(::std::unique_ptr<Talon> t) {
+    intake_rollers_talon_ = ::std::move(t);
+  }
+
   void set_top_rollers_talon(::std::unique_ptr<Talon> t) {
     top_rollers_talon_ = ::std::move(t);
   }
@@ -400,6 +405,7 @@
                                    kMaxBringupPower) /
                        12.0);
     top_rollers_talon_->Set(-queue->voltage_top_rollers / 12.0);
+    intake_rollers_talon_->Set(-queue->voltage_intake_rollers / 12.0);
     bottom_rollers_talon_->Set(-queue->voltage_bottom_rollers / 12.0);
   }
 
@@ -409,7 +415,7 @@
   }
 
   ::std::unique_ptr<Talon> intake_talon_, top_rollers_talon_,
-      bottom_rollers_talon_;
+      bottom_rollers_talon_, intake_rollers_talon_;
 };
 
 class WPILibRobot : public ::frc971::wpilib::WPILibRobotBase {
@@ -430,14 +436,14 @@
     ::std::thread pdp_fetcher_thread(::std::ref(pdp_fetcher));
     SensorReader reader;
 
-    reader.set_drivetrain_left_encoder(make_encoder(5));
-    reader.set_drivetrain_right_encoder(make_encoder(6));
+    reader.set_drivetrain_left_encoder(make_encoder(0));
+    reader.set_drivetrain_right_encoder(make_encoder(1));
 
-    reader.set_intake_encoder(make_encoder(0));
+    reader.set_intake_encoder(make_encoder(2));
     reader.set_intake_index(make_unique<DigitalInput>(0));
-    reader.set_intake_potentiometer(make_unique<AnalogInput>(0));
+    reader.set_intake_potentiometer(make_unique<AnalogInput>(4));
 
-    reader.set_ball_detector(make_unique<AnalogInput>(7));
+    reader.set_ball_detector(make_unique<AnalogInput>(5));
 
     reader.set_dma(make_unique<DMA>());
     ::std::thread reader_thread(::std::ref(reader));
@@ -446,23 +452,27 @@
     ::std::thread gyro_thread(::std::ref(gyro_sender));
 
     DrivetrainWriter drivetrain_writer;
+    // 2 and 3 are right. 0 and 1 are left
     drivetrain_writer.set_drivetrain_left_talon(
-        ::std::unique_ptr<Talon>(new Talon(5)));
+        ::std::unique_ptr<Talon>(new Talon(0)),
+        ::std::unique_ptr<Talon>(new Talon(1)));
     drivetrain_writer.set_drivetrain_right_talon(
-        ::std::unique_ptr<Talon>(new Talon(4)));
+        ::std::unique_ptr<Talon>(new Talon(2)),
+        ::std::unique_ptr<Talon>(new Talon(3)));
     ::std::thread drivetrain_writer_thread(::std::ref(drivetrain_writer));
 
     IntakeWriter intake_writer;
-    intake_writer.set_intake_talon(::std::unique_ptr<Talon>(new Talon(3)));
-    intake_writer.set_top_rollers_talon(::std::unique_ptr<Talon>(new Talon(1)));
+    intake_writer.set_intake_talon(::std::unique_ptr<Talon>(new Talon(7)));
+    intake_writer.set_top_rollers_talon(::std::unique_ptr<Talon>(new Talon(6)));
+    intake_writer.set_intake_rollers_talon(
+        ::std::unique_ptr<Talon>(new Talon(5)));
     intake_writer.set_bottom_rollers_talon(
-        ::std::unique_ptr<Talon>(new Talon(0)));
+        ::std::unique_ptr<Talon>(new Talon(4)));
     ::std::thread intake_writer_thread(::std::ref(intake_writer));
 
     ::std::unique_ptr<::frc971::wpilib::BufferedPcm> pcm(
         new ::frc971::wpilib::BufferedPcm());
     SolenoidWriter solenoid_writer(pcm);
-    solenoid_writer.set_traverse_latch(pcm->MakeSolenoid(2));
     solenoid_writer.set_traverse(pcm->MakeSolenoid(3));
 
     solenoid_writer.set_compressor(make_unique<Compressor>());