Add y2023_bot3 folder

Signed-off-by: James (Peilun) Li <jamespeilunli@gmail.com>
Change-Id: I6fae2492d0497596a632efc79a6a258c0ca15f49
diff --git a/y2023_bot3/BUILD b/y2023_bot3/BUILD
new file mode 100644
index 0000000..6025e3f
--- /dev/null
+++ b/y2023_bot3/BUILD
@@ -0,0 +1,240 @@
+load("//frc971:downloader.bzl", "robot_downloader")
+load("//aos:config.bzl", "aos_config")
+load("//aos/util:config_validator_macro.bzl", "config_validator_test")
+
+config_validator_test(
+    name = "config_validator_test",
+    config = "//y2023_bot3:aos_config",
+)
+
+robot_downloader(
+    binaries = [
+        "//aos/network:web_proxy_main",
+        "//aos/events/logging:log_cat",
+        "//y2023_bot3/constants:constants_sender",
+        "//aos/events:aos_timing_report_streamer",
+    ],
+    data = [
+        ":aos_config",
+        "//aos/starter:roborio_irq_config.json",
+        "@ctre_phoenix6_api_cpp_athena//:shared_libraries",
+        "@ctre_phoenix6_tools_athena//:shared_libraries",
+        "@ctre_phoenix_api_cpp_athena//:shared_libraries",
+        "@ctre_phoenix_cci_athena//:shared_libraries",
+    ],
+    dirs = [
+        "//y2023_bot3/www:www_files",
+        "//y2023_bot3/autonomous:splines",
+    ],
+    start_binaries = [
+        "//aos/events/logging:logger_main",
+        "//aos/network:web_proxy_main",
+        "//aos/starter:irq_affinity",
+        "//y2023_bot3/autonomous:binaries",
+        ":joystick_reader",
+        ":wpilib_interface",
+        "//frc971/can_logger",
+        "//aos/network:message_bridge_client",
+        "//aos/network:message_bridge_server",
+        "//y2023_bot3/control_loops/drivetrain:drivetrain",
+        "//y2023_bot3/control_loops/drivetrain:trajectory_generator",
+        "//y2023_bot3/control_loops/superstructure:superstructure",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+)
+
+robot_downloader(
+    name = "pi_download",
+    binaries = [
+        "//aos/starter:irq_affinity",
+        "//aos/util:foxglove_websocket",
+        "//aos/events:aos_timing_report_streamer",
+        "//y2023_bot3/constants:constants_sender",
+        "//aos/network:web_proxy_main",
+        "//aos/events/logging:log_cat",
+        "//y2023_bot3/rockpi:imu_main",
+        "//frc971/image_streamer:image_streamer",
+    ],
+    data = [
+        ":aos_config",
+        "//frc971/rockpi:rockpi_config.json",
+        "//y2023_bot3/constants:constants.json",
+        "//y2023_bot3/www:www_files",
+    ],
+    dirs = [
+        "//y2023_bot3/www:www_files",
+        "//frc971/image_streamer/www:www_files",
+    ],
+    start_binaries = [
+        "//aos/network:message_bridge_client",
+        "//aos/network:message_bridge_server",
+        "//aos/network:web_proxy_main",
+        "//aos/starter:irq_affinity",
+        "//aos/events/logging:logger_main",
+    ],
+    target_compatible_with = ["//tools/platforms/hardware:raspberry_pi"],
+    target_type = "pi",
+)
+
+aos_config(
+    name = "aos_config",
+    src = "y2023_bot3.json",
+    flatbuffers = [
+        "//aos/network:message_bridge_client_fbs",
+        "//aos/network:message_bridge_server_fbs",
+        "//aos/network:timestamp_fbs",
+        "//frc971/input:robot_state_fbs",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+    deps = [
+        ":config_imu",
+        ":config_roborio",
+    ],
+)
+
+aos_config(
+    name = "config_imu",
+    src = "y2023_bot3_imu.json",
+    flatbuffers = [
+        "//aos/network:message_bridge_client_fbs",
+        "//aos/network:message_bridge_server_fbs",
+        "//y2023_bot3/constants:constants_fbs",
+        "//aos/network:timestamp_fbs",
+        "//aos/network:remote_message_fbs",
+        "//frc971/control_loops/drivetrain/localization:localizer_output_fbs",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//aos/events:aos_config",
+        "//frc971/control_loops/drivetrain:aos_config",
+    ],
+)
+
+aos_config(
+    name = "config_roborio",
+    src = "y2023_bot3_roborio.json",
+    flatbuffers = [
+        "//aos/network:remote_message_fbs",
+        "//aos/network:message_bridge_client_fbs",
+        "//aos/network:message_bridge_server_fbs",
+        "//y2023_bot3/constants:constants_fbs",
+        "//aos/network:timestamp_fbs",
+        "//y2019/control_loops/drivetrain:target_selector_fbs",
+        "//y2023_bot3/control_loops/superstructure:superstructure_goal_fbs",
+        "//y2023_bot3/control_loops/superstructure:superstructure_output_fbs",
+        "//y2023_bot3/control_loops/superstructure:superstructure_position_fbs",
+        "//y2023_bot3/control_loops/superstructure:superstructure_status_fbs",
+        "//frc971/control_loops/drivetrain:drivetrain_can_position_fbs",
+        "//frc971:can_configuration_fbs",
+        "//frc971/can_logger:can_logging_fbs",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+    deps = [
+        "//aos/events:aos_config",
+        "//frc971/autonomous:aos_config",
+        "//frc971/control_loops/drivetrain:aos_config",
+        "//frc971/input:aos_config",
+        "//frc971/wpilib:aos_config",
+    ],
+)
+
+cc_library(
+    name = "constants",
+    srcs = [
+        "constants.cc",
+    ],
+    hdrs = [
+        "constants.h",
+    ],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//aos/mutex",
+        "//aos/network:team_number",
+        "//frc971:constants",
+        "//frc971/control_loops:pose",
+        "//frc971/control_loops:static_zeroing_single_dof_profiled_subsystem",
+        "//frc971/shooter_interpolation:interpolation",
+        "//y2023_bot3/control_loops/drivetrain:polydrivetrain_plants",
+        "@com_github_google_glog//:glog",
+        "@com_google_absl//absl/base",
+    ],
+)
+
+cc_binary(
+    name = "wpilib_interface",
+    srcs = [
+        "wpilib_interface.cc",
+    ],
+    target_compatible_with = ["//tools/platforms/hardware:roborio"],
+    deps = [
+        ":constants",
+        "//aos:init",
+        "//aos:math",
+        "//aos/containers:sized_array",
+        "//aos/events:shm_event_loop",
+        "//aos/logging",
+        "//aos/stl_mutex",
+        "//aos/time",
+        "//aos/util:log_interval",
+        "//aos/util:phased_loop",
+        "//aos/util:wrapping_counter",
+        "//frc971:can_configuration_fbs",
+        "//frc971/autonomous:auto_mode_fbs",
+        "//frc971/control_loops:control_loop",
+        "//frc971/control_loops:control_loops_fbs",
+        "//frc971/control_loops/drivetrain:drivetrain_can_position_fbs",
+        "//frc971/control_loops/drivetrain:drivetrain_position_fbs",
+        "//frc971/input:robot_state_fbs",
+        "//frc971/queues:gyro_fbs",
+        "//frc971/wpilib:ADIS16448",
+        "//frc971/wpilib:buffered_pcm",
+        "//frc971/wpilib:drivetrain_writer",
+        "//frc971/wpilib:encoder_and_potentiometer",
+        "//frc971/wpilib:interrupt_edge_counting",
+        "//frc971/wpilib:joystick_sender",
+        "//frc971/wpilib:logging_fbs",
+        "//frc971/wpilib:loop_output_handler",
+        "//frc971/wpilib:pdp_fetcher",
+        "//frc971/wpilib:sensor_reader",
+        "//frc971/wpilib:wpilib_interface",
+        "//frc971/wpilib:wpilib_robot_base",
+        "//third_party:phoenix",
+        "//third_party:phoenix6",
+        "//third_party:wpilib",
+        "//y2023_bot3/control_loops/superstructure:led_indicator_lib",
+        "//y2023_bot3/control_loops/superstructure:superstructure_output_fbs",
+        "//y2023_bot3/control_loops/superstructure:superstructure_position_fbs",
+    ],
+)
+
+cc_binary(
+    name = "joystick_reader",
+    srcs = [
+        ":joystick_reader.cc",
+    ],
+    deps = [
+        ":constants",
+        "//aos:init",
+        "//aos/actions:action_lib",
+        "//aos/logging",
+        "//frc971/autonomous:auto_fbs",
+        "//frc971/autonomous:base_autonomous_actor",
+        "//frc971/control_loops:profiled_subsystem_fbs",
+        "//frc971/input:action_joystick_input",
+        "//frc971/input:drivetrain_input",
+        "//frc971/input:joystick_input",
+        "//frc971/input:redundant_joystick_data",
+        "//y2023_bot3/control_loops/drivetrain:drivetrain_base",
+        "//y2023_bot3/control_loops/superstructure:superstructure_goal_fbs",
+        "//y2023_bot3/control_loops/superstructure:superstructure_status_fbs",
+    ],
+)
+
+py_library(
+    name = "python_init",
+    srcs = ["__init__.py"],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+)
diff --git a/y2023_bot3/__init__.py b/y2023_bot3/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/y2023_bot3/__init__.py
diff --git a/y2023_bot3/autonomous/BUILD b/y2023_bot3/autonomous/BUILD
new file mode 100644
index 0000000..940d591
--- /dev/null
+++ b/y2023_bot3/autonomous/BUILD
@@ -0,0 +1,74 @@
+load("//frc971/downloader:downloader.bzl", "aos_downloader_dir")
+
+filegroup(
+    name = "binaries.stripped",
+    srcs = [
+        ":autonomous_action.stripped",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "binaries",
+    srcs = [
+        ":autonomous_action",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "spline_jsons",
+    srcs = glob([
+        "splines/*.json",
+    ]),
+    visibility = ["//visibility:public"],
+)
+
+aos_downloader_dir(
+    name = "splines",
+    srcs = [
+        ":spline_jsons",
+    ],
+    dir = "splines",
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "autonomous_action_lib",
+    srcs = [
+        "auto_splines.cc",
+        "autonomous_actor.cc",
+    ],
+    hdrs = [
+        "auto_splines.h",
+        "autonomous_actor.h",
+    ],
+    deps = [
+        "//aos/events:event_loop",
+        "//aos/logging",
+        "//aos/util:phased_loop",
+        "//frc971/autonomous:base_autonomous_actor",
+        "//frc971/control_loops:control_loops_fbs",
+        "//frc971/control_loops:profiled_subsystem_fbs",
+        "//frc971/control_loops/drivetrain:drivetrain_config",
+        "//frc971/control_loops/drivetrain:localizer_fbs",
+        "//y2023_bot3:constants",
+        "//y2023_bot3/control_loops/drivetrain:drivetrain_base",
+        "//y2023_bot3/control_loops/superstructure:superstructure_goal_fbs",
+        "//y2023_bot3/control_loops/superstructure:superstructure_status_fbs",
+    ],
+)
+
+cc_binary(
+    name = "autonomous_action",
+    srcs = [
+        "autonomous_actor_main.cc",
+    ],
+    deps = [
+        ":autonomous_action_lib",
+        "//aos:init",
+        "//aos/events:shm_event_loop",
+        "//frc971/autonomous:auto_fbs",
+    ],
+)
diff --git a/y2023_bot3/autonomous/auto_splines.cc b/y2023_bot3/autonomous/auto_splines.cc
new file mode 100644
index 0000000..e2779c4
--- /dev/null
+++ b/y2023_bot3/autonomous/auto_splines.cc
@@ -0,0 +1,126 @@
+#include "y2023_bot3/autonomous/auto_splines.h"
+
+#include "aos/flatbuffer_merge.h"
+#include "frc971/control_loops/control_loops_generated.h"
+
+namespace y2023_bot3 {
+namespace autonomous {
+
+namespace {
+flatbuffers::Offset<frc971::MultiSpline> FixSpline(
+    aos::Sender<frc971::control_loops::drivetrain::SplineGoal>::Builder
+        *builder,
+    flatbuffers::Offset<frc971::MultiSpline> spline_offset,
+    aos::Alliance alliance) {
+  frc971::MultiSpline *spline =
+      GetMutableTemporaryPointer(*builder->fbb(), spline_offset);
+  flatbuffers::Vector<float> *spline_x = spline->mutable_spline_x();
+
+  // For 2023: The field is mirrored across the center line, and is not
+  // rotationally symmetric. As such, we only flip the X coordinates when
+  // changing side of the field.
+  if (alliance == aos::Alliance::kBlue) {
+    for (size_t ii = 0; ii < spline_x->size(); ++ii) {
+      spline_x->Mutate(ii, -spline_x->Get(ii));
+    }
+  }
+  return spline_offset;
+}
+}  // namespace
+
+flatbuffers::Offset<frc971::MultiSpline> AutonomousSplines::BasicSSpline(
+    aos::Sender<frc971::control_loops::drivetrain::SplineGoal>::Builder
+        *builder,
+    aos::Alliance alliance) {
+  flatbuffers::Offset<frc971::Constraint> longitudinal_constraint_offset;
+  flatbuffers::Offset<frc971::Constraint> lateral_constraint_offset;
+  flatbuffers::Offset<frc971::Constraint> voltage_constraint_offset;
+
+  {
+    frc971::Constraint::Builder longitudinal_constraint_builder =
+        builder->MakeBuilder<frc971::Constraint>();
+    longitudinal_constraint_builder.add_constraint_type(
+        frc971::ConstraintType::LONGITUDINAL_ACCELERATION);
+    longitudinal_constraint_builder.add_value(1.0);
+    longitudinal_constraint_offset = longitudinal_constraint_builder.Finish();
+  }
+
+  {
+    frc971::Constraint::Builder lateral_constraint_builder =
+        builder->MakeBuilder<frc971::Constraint>();
+    lateral_constraint_builder.add_constraint_type(
+        frc971::ConstraintType::LATERAL_ACCELERATION);
+    lateral_constraint_builder.add_value(1.0);
+    lateral_constraint_offset = lateral_constraint_builder.Finish();
+  }
+
+  {
+    frc971::Constraint::Builder voltage_constraint_builder =
+        builder->MakeBuilder<frc971::Constraint>();
+    voltage_constraint_builder.add_constraint_type(
+        frc971::ConstraintType::VOLTAGE);
+    voltage_constraint_builder.add_value(6.0);
+    voltage_constraint_offset = voltage_constraint_builder.Finish();
+  }
+
+  flatbuffers::Offset<
+      flatbuffers::Vector<flatbuffers::Offset<frc971::Constraint>>>
+      constraints_offset =
+          builder->fbb()->CreateVector<flatbuffers::Offset<frc971::Constraint>>(
+              {longitudinal_constraint_offset, lateral_constraint_offset,
+               voltage_constraint_offset});
+
+  const float startx = 0.4;
+  const float starty = 3.4;
+  flatbuffers::Offset<flatbuffers::Vector<float>> spline_x_offset =
+      builder->fbb()->CreateVector<float>({0.0f + startx, 0.6f + startx,
+                                           0.6f + startx, 0.4f + startx,
+                                           0.4f + startx, 1.0f + startx});
+  flatbuffers::Offset<flatbuffers::Vector<float>> spline_y_offset =
+      builder->fbb()->CreateVector<float>({starty - 0.0f, starty - 0.0f,
+                                           starty - 0.3f, starty - 0.7f,
+                                           starty - 1.0f, starty - 1.0f});
+
+  frc971::MultiSpline::Builder multispline_builder =
+      builder->MakeBuilder<frc971::MultiSpline>();
+
+  multispline_builder.add_spline_count(1);
+  multispline_builder.add_constraints(constraints_offset);
+  multispline_builder.add_spline_x(spline_x_offset);
+  multispline_builder.add_spline_y(spline_y_offset);
+
+  return FixSpline(builder, multispline_builder.Finish(), alliance);
+}
+
+flatbuffers::Offset<frc971::MultiSpline> AutonomousSplines::TestSpline(
+    aos::Sender<frc971::control_loops::drivetrain::SplineGoal>::Builder
+        *builder,
+    aos::Alliance alliance) {
+  return FixSpline(
+      builder,
+      aos::CopyFlatBuffer<frc971::MultiSpline>(test_spline_, builder->fbb()),
+      alliance);
+}
+
+flatbuffers::Offset<frc971::MultiSpline> AutonomousSplines::StraightLine(
+    aos::Sender<frc971::control_loops::drivetrain::SplineGoal>::Builder
+        *builder,
+    aos::Alliance alliance) {
+  flatbuffers::Offset<flatbuffers::Vector<float>> spline_x_offset =
+      builder->fbb()->CreateVector<float>(
+          {-12.3, -11.9, -11.5, -11.1, -10.6, -10.0});
+  flatbuffers::Offset<flatbuffers::Vector<float>> spline_y_offset =
+      builder->fbb()->CreateVector<float>({1.25, 1.25, 1.25, 1.25, 1.25, 1.25});
+
+  frc971::MultiSpline::Builder multispline_builder =
+      builder->MakeBuilder<frc971::MultiSpline>();
+
+  multispline_builder.add_spline_count(1);
+  multispline_builder.add_spline_x(spline_x_offset);
+  multispline_builder.add_spline_y(spline_y_offset);
+
+  return FixSpline(builder, multispline_builder.Finish(), alliance);
+}
+
+}  // namespace autonomous
+}  // namespace y2023_bot3
diff --git a/y2023_bot3/autonomous/auto_splines.h b/y2023_bot3/autonomous/auto_splines.h
new file mode 100644
index 0000000..0c9d92f
--- /dev/null
+++ b/y2023_bot3/autonomous/auto_splines.h
@@ -0,0 +1,45 @@
+#ifndef Y2023_AUTONOMOUS_AUTO_SPLINES_H_
+#define Y2023_AUTONOMOUS_AUTO_SPLINES_H_
+
+#include "aos/events/event_loop.h"
+#include "aos/flatbuffer_merge.h"
+#include "frc971/control_loops/control_loops_generated.h"
+#include "frc971/control_loops/drivetrain/drivetrain_goal_generated.h"
+#include "frc971/input/joystick_state_generated.h"
+/*
+
+  The cooridinate system for the autonomous splines is the same as the spline
+  python generator and drivetrain spline systems.
+
+*/
+
+namespace y2023_bot3 {
+namespace autonomous {
+
+class AutonomousSplines {
+ public:
+  AutonomousSplines()
+      : test_spline_(aos::JsonFileToFlatbuffer<frc971::MultiSpline>(
+            "splines/test_spline.json")) {}
+  static flatbuffers::Offset<frc971::MultiSpline> BasicSSpline(
+      aos::Sender<frc971::control_loops::drivetrain::SplineGoal>::Builder
+          *builder,
+      aos::Alliance alliance);
+  static flatbuffers::Offset<frc971::MultiSpline> StraightLine(
+      aos::Sender<frc971::control_loops::drivetrain::SplineGoal>::Builder
+          *builder,
+      aos::Alliance alliance);
+
+  flatbuffers::Offset<frc971::MultiSpline> TestSpline(
+      aos::Sender<frc971::control_loops::drivetrain::SplineGoal>::Builder
+          *builder,
+      aos::Alliance alliance);
+
+ private:
+  aos::FlatbufferDetachedBuffer<frc971::MultiSpline> test_spline_;
+};
+
+}  // namespace autonomous
+}  // namespace y2023_bot3
+
+#endif  // Y2023_AUTONOMOUS_AUTO_SPLINES_H_
diff --git a/y2023_bot3/autonomous/autonomous_actor.cc b/y2023_bot3/autonomous/autonomous_actor.cc
new file mode 100644
index 0000000..0aacbd1
--- /dev/null
+++ b/y2023_bot3/autonomous/autonomous_actor.cc
@@ -0,0 +1,198 @@
+#include "y2023_bot3/autonomous/autonomous_actor.h"
+
+#include <chrono>
+#include <cinttypes>
+#include <cmath>
+
+#include "aos/logging/logging.h"
+#include "aos/util/math.h"
+#include "frc971/control_loops/drivetrain/localizer_generated.h"
+#include "y2023_bot3/autonomous/auto_splines.h"
+#include "y2023_bot3/constants.h"
+#include "y2023_bot3/control_loops/drivetrain/drivetrain_base.h"
+
+DEFINE_bool(spline_auto, false, "Run simple test S-spline auto mode.");
+
+namespace y2023_bot3 {
+namespace autonomous {
+
+using ::frc971::ProfileParametersT;
+
+ProfileParametersT MakeProfileParameters(float max_velocity,
+                                         float max_acceleration) {
+  ProfileParametersT result;
+  result.max_velocity = max_velocity;
+  result.max_acceleration = max_acceleration;
+  return result;
+}
+
+using ::aos::monotonic_clock;
+using frc971::CreateProfileParameters;
+using ::frc971::ProfileParametersT;
+using frc971::control_loops::CreateStaticZeroingSingleDOFProfiledSubsystemGoal;
+using frc971::control_loops::StaticZeroingSingleDOFProfiledSubsystemGoal;
+using frc971::control_loops::drivetrain::LocalizerControl;
+namespace chrono = ::std::chrono;
+
+AutonomousActor::AutonomousActor(::aos::EventLoop *event_loop)
+    : frc971::autonomous::BaseAutonomousActor(
+          event_loop, control_loops::drivetrain::GetDrivetrainConfig()),
+      localizer_control_sender_(
+          event_loop->MakeSender<
+              ::frc971::control_loops::drivetrain::LocalizerControl>(
+              "/drivetrain")),
+      joystick_state_fetcher_(
+          event_loop->MakeFetcher<aos::JoystickState>("/aos")),
+      robot_state_fetcher_(event_loop->MakeFetcher<aos::RobotState>("/aos")),
+      auto_splines_(),
+      superstructure_goal_sender_(
+          event_loop
+              ->MakeSender<::y2023_bot3::control_loops::superstructure::Goal>(
+                  "/superstructure")),
+      superstructure_status_fetcher_(
+          event_loop->MakeFetcher<
+              ::y2023_bot3::control_loops::superstructure::Status>(
+              "/superstructure")) {
+  drivetrain_status_fetcher_.Fetch();
+  replan_timer_ = event_loop->AddTimer([this]() { Replan(); });
+
+  event_loop->OnRun([this, event_loop]() {
+    replan_timer_->Schedule(event_loop->monotonic_now());
+    button_poll_->Schedule(event_loop->monotonic_now(),
+                           chrono::milliseconds(50));
+  });
+
+  // TODO(james): Really need to refactor this code since we keep using it.
+  button_poll_ = event_loop->AddTimer([this]() {
+    const aos::monotonic_clock::time_point now =
+        this->event_loop()->context().monotonic_event_time;
+    if (robot_state_fetcher_.Fetch()) {
+      if (robot_state_fetcher_->user_button()) {
+        user_indicated_safe_to_reset_ = true;
+        MaybeSendStartingPosition();
+      }
+    }
+    if (joystick_state_fetcher_.Fetch()) {
+      if (joystick_state_fetcher_->has_alliance() &&
+          (joystick_state_fetcher_->alliance() != alliance_)) {
+        alliance_ = joystick_state_fetcher_->alliance();
+        is_planned_ = false;
+        // Only kick the planning out by 2 seconds. If we end up enabled in
+        // that second, then we will kick it out further based on the code
+        // below.
+        replan_timer_->Schedule(now + std::chrono::seconds(2));
+      }
+      if (joystick_state_fetcher_->enabled()) {
+        if (!is_planned_) {
+          // Only replan once we've been disabled for 5 seconds.
+          replan_timer_->Schedule(now + std::chrono::seconds(5));
+        }
+      }
+    }
+  });
+}
+
+void AutonomousActor::Replan() {
+  if (!drivetrain_status_fetcher_.Fetch()) {
+    replan_timer_->Schedule(event_loop()->monotonic_now() + chrono::seconds(1));
+    AOS_LOG(INFO, "Drivetrain not up, replanning in 1 second");
+    return;
+  }
+
+  if (alliance_ == aos::Alliance::kInvalid) {
+    return;
+  }
+  sent_starting_position_ = false;
+  if (FLAGS_spline_auto) {
+    test_spline_ =
+        PlanSpline(std::bind(&AutonomousSplines::TestSpline, &auto_splines_,
+                             std::placeholders::_1, alliance_),
+                   SplineDirection::kForward);
+
+    starting_position_ = test_spline_->starting_position();
+  }
+  is_planned_ = true;
+
+  MaybeSendStartingPosition();
+}
+
+void AutonomousActor::MaybeSendStartingPosition() {
+  if (is_planned_ && user_indicated_safe_to_reset_ &&
+      !sent_starting_position_) {
+    CHECK(starting_position_);
+    SendStartingPosition(starting_position_.value());
+  }
+}
+
+void AutonomousActor::Reset() {
+  InitializeEncoders();
+  ResetDrivetrain();
+
+  joystick_state_fetcher_.Fetch();
+  CHECK(joystick_state_fetcher_.get() != nullptr)
+      << "Expect at least one JoystickState message before running auto...";
+  alliance_ = joystick_state_fetcher_->alliance();
+
+  preloaded_ = false;
+  SendSuperstructureGoal();
+}
+
+bool AutonomousActor::RunAction(
+    const ::frc971::autonomous::AutonomousActionParams *params) {
+  Reset();
+
+  AOS_LOG(INFO, "Params are %d\n", params->mode());
+
+  if (!user_indicated_safe_to_reset_) {
+    AOS_LOG(WARNING, "Didn't send starting position prior to starting auto.");
+    CHECK(starting_position_);
+    SendStartingPosition(starting_position_.value());
+  }
+  // Clear this so that we don't accidentally resend things as soon as we
+  // replan later.
+  user_indicated_safe_to_reset_ = false;
+  is_planned_ = false;
+  starting_position_.reset();
+
+  AOS_LOG(INFO, "Params are %d\n", params->mode());
+  if (alliance_ == aos::Alliance::kInvalid) {
+    AOS_LOG(INFO, "Aborting autonomous due to invalid alliance selection.");
+    return false;
+  }
+
+  return true;
+}
+
+void AutonomousActor::SendStartingPosition(const Eigen::Vector3d &start) {
+  // Set up the starting position for the blue alliance.
+
+  auto builder = localizer_control_sender_.MakeBuilder();
+
+  LocalizerControl::Builder localizer_control_builder =
+      builder.MakeBuilder<LocalizerControl>();
+  localizer_control_builder.add_x(start(0));
+  localizer_control_builder.add_y(start(1));
+  localizer_control_builder.add_theta(start(2));
+  localizer_control_builder.add_theta_uncertainty(0.00001);
+  AOS_LOG(INFO, "User button pressed, x: %f y: %f theta: %f", start(0),
+          start(1), start(2));
+  if (builder.Send(localizer_control_builder.Finish()) !=
+      aos::RawSender::Error::kOk) {
+    AOS_LOG(ERROR, "Failed to reset localizer.\n");
+  }
+}
+
+void AutonomousActor::SendSuperstructureGoal() {
+  auto builder = superstructure_goal_sender_.MakeBuilder();
+
+  control_loops::superstructure::Goal::Builder superstructure_builder =
+      builder.MakeBuilder<control_loops::superstructure::Goal>();
+
+  if (builder.Send(superstructure_builder.Finish()) !=
+      aos::RawSender::Error::kOk) {
+    AOS_LOG(ERROR, "Sending superstructure goal failed.\n");
+  }
+}
+
+}  // namespace autonomous
+}  // namespace y2023_bot3
diff --git a/y2023_bot3/autonomous/autonomous_actor.h b/y2023_bot3/autonomous/autonomous_actor.h
new file mode 100644
index 0000000..b7978c7
--- /dev/null
+++ b/y2023_bot3/autonomous/autonomous_actor.h
@@ -0,0 +1,64 @@
+#ifndef Y2023_AUTONOMOUS_AUTONOMOUS_ACTOR_H_
+#define Y2023_AUTONOMOUS_AUTONOMOUS_ACTOR_H_
+
+#include "aos/actions/actions.h"
+#include "aos/actions/actor.h"
+#include "frc971/autonomous/base_autonomous_actor.h"
+#include "frc971/control_loops/control_loops_generated.h"
+#include "frc971/control_loops/drivetrain/drivetrain_config.h"
+#include "frc971/control_loops/drivetrain/localizer_generated.h"
+#include "y2023_bot3/autonomous/auto_splines.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_goal_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_status_generated.h"
+
+namespace y2023_bot3 {
+namespace autonomous {
+
+class AutonomousActor : public ::frc971::autonomous::BaseAutonomousActor {
+ public:
+  explicit AutonomousActor(::aos::EventLoop *event_loop);
+
+  bool RunAction(
+      const ::frc971::autonomous::AutonomousActionParams *params) override;
+
+ private:
+  void set_preloaded(bool preloaded) { preloaded_ = preloaded; }
+
+  void SendSuperstructureGoal();
+
+  void Reset();
+
+  void SendStartingPosition(const Eigen::Vector3d &start);
+  void MaybeSendStartingPosition();
+  void Replan();
+
+  aos::Sender<frc971::control_loops::drivetrain::LocalizerControl>
+      localizer_control_sender_;
+  aos::Fetcher<aos::JoystickState> joystick_state_fetcher_;
+  aos::Fetcher<aos::RobotState> robot_state_fetcher_;
+
+  aos::TimerHandler *replan_timer_;
+  aos::TimerHandler *button_poll_;
+
+  aos::Alliance alliance_ = aos::Alliance::kInvalid;
+  AutonomousSplines auto_splines_;
+  bool user_indicated_safe_to_reset_ = false;
+  bool sent_starting_position_ = false;
+
+  bool is_planned_ = false;
+
+  std::optional<Eigen::Vector3d> starting_position_;
+
+  bool preloaded_ = false;
+
+  aos::Sender<control_loops::superstructure::Goal> superstructure_goal_sender_;
+  aos::Fetcher<y2023_bot3::control_loops::superstructure::Status>
+      superstructure_status_fetcher_;
+
+  std::optional<SplineHandle> test_spline_;
+};
+
+}  // namespace autonomous
+}  // namespace y2023_bot3
+
+#endif  // Y2023_AUTONOMOUS_AUTONOMOUS_ACTOR_H_
diff --git a/y2023_bot3/autonomous/autonomous_actor_main.cc b/y2023_bot3/autonomous/autonomous_actor_main.cc
new file mode 100644
index 0000000..3947359
--- /dev/null
+++ b/y2023_bot3/autonomous/autonomous_actor_main.cc
@@ -0,0 +1,19 @@
+#include <cstdio>
+
+#include "aos/events/shm_event_loop.h"
+#include "aos/init.h"
+#include "y2023_bot3/autonomous/autonomous_actor.h"
+
+int main(int argc, char *argv[]) {
+  ::aos::InitGoogle(&argc, &argv);
+
+  aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+      aos::configuration::ReadConfig("aos_config.json");
+
+  ::aos::ShmEventLoop event_loop(&config.message());
+  ::y2023_bot3::autonomous::AutonomousActor autonomous(&event_loop);
+
+  event_loop.Run();
+
+  return 0;
+}
diff --git a/y2023_bot3/autonomous/splines/README.md b/y2023_bot3/autonomous/splines/README.md
new file mode 100644
index 0000000..c655416
--- /dev/null
+++ b/y2023_bot3/autonomous/splines/README.md
@@ -0,0 +1,3 @@
+# Spline Descriptions
+This folder contains reference material for what each spline does
+
diff --git a/y2023_bot3/autonomous/splines/test_spline.json b/y2023_bot3/autonomous/splines/test_spline.json
new file mode 100644
index 0000000..733d516
--- /dev/null
+++ b/y2023_bot3/autonomous/splines/test_spline.json
@@ -0,0 +1 @@
+{"spline_count": 1, "spline_x": [0, 0.4, 0.4, 0.6, 0.6, 1.0], "spline_y": [0, 0, 0.05, 0.1, 0.15, 0.15], "constraints": [{"constraint_type": "LONGITUDINAL_ACCELERATION", "value": 1}, {"constraint_type": "LATERAL_ACCELERATION", "value": 1}, {"constraint_type": "VOLTAGE", "value": 2}]}
diff --git a/y2023_bot3/constants.cc b/y2023_bot3/constants.cc
new file mode 100644
index 0000000..909d508
--- /dev/null
+++ b/y2023_bot3/constants.cc
@@ -0,0 +1,41 @@
+#include "y2023_bot3/constants.h"
+
+#include <cinttypes>
+#include <map>
+
+#if __has_feature(address_sanitizer)
+#include "sanitizer/lsan_interface.h"
+#endif
+
+#include "absl/base/call_once.h"
+#include "glog/logging.h"
+
+#include "aos/mutex/mutex.h"
+#include "aos/network/team_number.h"
+
+namespace y2023_bot3 {
+namespace constants {
+
+Values MakeValues(uint16_t team) {
+  LOG(INFO) << "creating a Constants for team: " << team;
+
+  Values r;
+  switch (team) {
+    // A set of constants for tests.
+    case 1:
+      break;
+
+    case kThirdRobotTeamNumber:
+      break;
+
+    default:
+      LOG(FATAL) << "unknown team: " << team;
+  }
+
+  return r;
+}
+
+Values MakeValues() { return MakeValues(aos::network::GetTeamNumber()); }
+
+}  // namespace constants
+}  // namespace y2023_bot3
diff --git a/y2023_bot3/constants.h b/y2023_bot3/constants.h
new file mode 100644
index 0000000..a741f3c
--- /dev/null
+++ b/y2023_bot3/constants.h
@@ -0,0 +1,67 @@
+#ifndef Y2023_CONSTANTS_H_
+#define Y2023_CONSTANTS_H_
+
+#include <array>
+#include <cmath>
+#include <cstdint>
+
+#include "frc971/constants.h"
+#include "frc971/control_loops/pose.h"
+#include "frc971/control_loops/static_zeroing_single_dof_profiled_subsystem.h"
+#include "y2023_bot3/control_loops/drivetrain/drivetrain_dog_motor_plant.h"
+
+namespace y2023_bot3 {
+namespace constants {
+
+constexpr uint16_t kThirdRobotTeamNumber = 8971;
+
+struct Values {
+  static const int kZeroingSampleSize = 200;
+
+  static const int kSuperstructureCANWriterPriority = 35;
+  static const int kDrivetrainWriterPriority = 35;
+  static const int kDrivetrainTxPriority = 36;
+  static const int kDrivetrainRxPriority = 36;
+
+  // TODO(max): Change these constants based on 3rd drivetrain CAD
+  static constexpr double kDrivetrainCyclesPerRevolution() { return 512.0; }
+  static constexpr double kDrivetrainEncoderCountsPerRevolution() {
+    return kDrivetrainCyclesPerRevolution() * 4;
+  }
+  static constexpr double kDrivetrainEncoderRatio() { return 1.0; }
+  static constexpr double kMaxDrivetrainEncoderPulsesPerSecond() {
+    return control_loops::drivetrain::kFreeSpeed / (2.0 * M_PI) *
+           control_loops::drivetrain::kHighOutputRatio /
+           constants::Values::kDrivetrainEncoderRatio() *
+           kDrivetrainEncoderCountsPerRevolution();
+  }
+
+  static constexpr double kDrivetrainSupplyCurrentLimit() { return 35.0; }
+  static constexpr double kDrivetrainStatorCurrentLimit() { return 60.0; }
+
+  static double DrivetrainEncoderToMeters(int32_t in) {
+    return ((static_cast<double>(in) /
+             kDrivetrainEncoderCountsPerRevolution()) *
+            (2.0 * M_PI)) *
+           kDrivetrainEncoderRatio() * control_loops::drivetrain::kWheelRadius;
+  }
+
+  static double DrivetrainCANEncoderToMeters(double rotations) {
+    return (rotations * (2.0 * M_PI)) *
+           control_loops::drivetrain::kHighOutputRatio *
+           control_loops::drivetrain::kWheelRadius;
+  }
+};
+
+// Creates and returns a Values instance for the constants.
+// Should be called before realtime because this allocates memory.
+// Only the first call to either of these will be used.
+Values MakeValues(uint16_t team);
+
+// Calls MakeValues with aos::network::GetTeamNumber()
+Values MakeValues();
+
+}  // namespace constants
+}  // namespace y2023_bot3
+
+#endif  // Y2023_CONSTANTS_H_
diff --git a/y2023_bot3/constants/8971.json b/y2023_bot3/constants/8971.json
new file mode 100644
index 0000000..aea0c6f
--- /dev/null
+++ b/y2023_bot3/constants/8971.json
@@ -0,0 +1,5 @@
+{
+  "robot": {
+  },
+  {% include 'y2023_bot3/constants/common.json' %}
+}
diff --git a/y2023_bot3/constants/BUILD b/y2023_bot3/constants/BUILD
new file mode 100644
index 0000000..40d77be
--- /dev/null
+++ b/y2023_bot3/constants/BUILD
@@ -0,0 +1,65 @@
+load("@com_github_google_flatbuffers//:build_defs.bzl", "flatbuffer_cc_library")
+load("//tools/build_rules:template.bzl", "jinja2_template")
+
+cc_library(
+    name = "simulated_constants_sender",
+    srcs = ["simulated_constants_sender.cc"],
+    hdrs = ["simulated_constants_sender.h"],
+    data = [":test_constants.json"],
+    visibility = ["//y2023_bot3:__subpackages__"],
+    deps = [
+        ":constants_fbs",
+        ":constants_list_fbs",
+        "//aos/events:simulated_event_loop",
+        "//aos/testing:path",
+        "//frc971/constants:constants_sender_lib",
+    ],
+)
+
+jinja2_template(
+    name = "constants.json",
+    src = "constants.jinja2.json",
+    includes = [
+        "8971.json",
+        "common.json",
+    ],
+    parameters = {},
+    visibility = ["//visibility:public"],
+)
+
+jinja2_template(
+    name = "test_constants.json",
+    src = "test_constants.jinja2.json",
+    includes = glob(["test_data/*.json"]),
+    parameters = {},
+    visibility = ["//visibility:public"],
+)
+
+flatbuffer_cc_library(
+    name = "constants_fbs",
+    srcs = ["constants.fbs"],
+    gen_reflections = True,
+    visibility = ["//visibility:public"],
+)
+
+flatbuffer_cc_library(
+    name = "constants_list_fbs",
+    srcs = ["constants_list.fbs"],
+    gen_reflections = True,
+    visibility = ["//visibility:public"],
+    deps = [":constants_fbs"],
+)
+
+cc_binary(
+    name = "constants_sender",
+    srcs = ["constants_sender.cc"],
+    visibility = ["//visibility:public"],
+    deps = [
+        ":constants_fbs",
+        ":constants_list_fbs",
+        "//aos:init",
+        "//aos/events:shm_event_loop",
+        "//aos/testing:path",
+        "//frc971/constants:constants_sender_lib",
+    ],
+)
diff --git a/y2023_bot3/constants/common.json b/y2023_bot3/constants/common.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/y2023_bot3/constants/common.json
@@ -0,0 +1 @@
+{}
diff --git a/y2023_bot3/constants/constants.fbs b/y2023_bot3/constants/constants.fbs
new file mode 100644
index 0000000..08f03be
--- /dev/null
+++ b/y2023_bot3/constants/constants.fbs
@@ -0,0 +1,10 @@
+namespace y2023_bot3;
+
+table RobotConstants {
+}
+
+table Constants {
+  robot:RobotConstants (id: 0);
+}
+
+root_type Constants;
diff --git a/y2023_bot3/constants/constants.jinja2.json b/y2023_bot3/constants/constants.jinja2.json
new file mode 100644
index 0000000..be1ea14
--- /dev/null
+++ b/y2023_bot3/constants/constants.jinja2.json
@@ -0,0 +1,8 @@
+{
+  "constants": [
+    {
+      "team": 8971,
+      "data": {% include 'y2023_bot3/constants/8971.json' %}
+    },
+  ]
+}
diff --git a/y2023_bot3/constants/constants_list.fbs b/y2023_bot3/constants/constants_list.fbs
new file mode 100644
index 0000000..8b132e8
--- /dev/null
+++ b/y2023_bot3/constants/constants_list.fbs
@@ -0,0 +1,14 @@
+include "y2023_bot3/constants/constants.fbs";
+
+namespace y2023_bot3;
+
+table TeamAndConstants {
+  team:long (id: 0);
+  data:Constants (id: 1);
+}
+
+table ConstantsList {
+  constants:[TeamAndConstants] (id: 0);
+}
+
+root_type ConstantsList;
diff --git a/y2023_bot3/constants/constants_sender.cc b/y2023_bot3/constants/constants_sender.cc
new file mode 100644
index 0000000..d6e5c28
--- /dev/null
+++ b/y2023_bot3/constants/constants_sender.cc
@@ -0,0 +1,25 @@
+#include "gflags/gflags.h"
+#include "glog/logging.h"
+
+#include "aos/configuration.h"
+#include "aos/events/shm_event_loop.h"
+#include "aos/init.h"
+#include "aos/json_to_flatbuffer.h"
+#include "frc971/constants/constants_sender_lib.h"
+#include "y2023_bot3/constants/constants_generated.h"
+#include "y2023_bot3/constants/constants_list_generated.h"
+
+DEFINE_string(config, "aos_config.json", "Path to the AOS config.");
+DEFINE_string(constants_path, "constants.json", "Path to the constant file");
+
+int main(int argc, char **argv) {
+  aos::InitGoogle(&argc, &argv);
+  aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+      aos::configuration::ReadConfig(FLAGS_config);
+  aos::ShmEventLoop event_loop(&config.message());
+  frc971::constants::ConstantSender<y2023_bot3::Constants,
+                                    y2023_bot3::ConstantsList>
+      constants_sender(&event_loop, FLAGS_constants_path);
+  // Don't need to call Run().
+  return 0;
+}
diff --git a/y2023_bot3/constants/simulated_constants_sender.cc b/y2023_bot3/constants/simulated_constants_sender.cc
new file mode 100644
index 0000000..36c1891
--- /dev/null
+++ b/y2023_bot3/constants/simulated_constants_sender.cc
@@ -0,0 +1,18 @@
+#include "aos/events/simulated_event_loop.h"
+#include "aos/testing/path.h"
+#include "frc971/constants/constants_sender_lib.h"
+#include "y2023_bot3/constants/constants_generated.h"
+#include "y2023_bot3/constants/constants_list_generated.h"
+
+namespace y2023_bot3 {
+bool SendSimulationConstants(aos::SimulatedEventLoopFactory *factory, int team,
+                             std::string constants_path) {
+  for (const aos::Node *node : factory->nodes()) {
+    std::unique_ptr<aos::EventLoop> event_loop =
+        factory->MakeEventLoop("constants_sender", node);
+    frc971::constants::ConstantSender<Constants, ConstantsList> sender(
+        event_loop.get(), constants_path, team, "/constants");
+  }
+  return true;
+}
+}  // namespace y2023_bot3
diff --git a/y2023_bot3/constants/simulated_constants_sender.h b/y2023_bot3/constants/simulated_constants_sender.h
new file mode 100644
index 0000000..3f1495f
--- /dev/null
+++ b/y2023_bot3/constants/simulated_constants_sender.h
@@ -0,0 +1,16 @@
+#ifndef Y2023_CONSTANTS_SIMULATED_CONFIG_SENDER_H_
+#define Y2023_CONSTANTS_SIMULATED_CONFIG_SENDER_H_
+
+#include "aos/events/simulated_event_loop.h"
+#include "aos/testing/path.h"
+
+namespace y2023_bot3 {
+// Returns true, to allow this to be easily called in the initializer list of a
+// constructor.
+bool SendSimulationConstants(
+    aos::SimulatedEventLoopFactory *factory, int team,
+    std::string constants_path =
+        aos::testing::ArtifactPath("y2023_bot3/constants/test_constants.json"));
+}  // namespace y2023_bot3
+
+#endif  // Y2023_CONSTANTS_SIMULATED_CONFIG_SENDER_H_
diff --git a/y2023_bot3/constants/test_constants.jinja2.json b/y2023_bot3/constants/test_constants.jinja2.json
new file mode 100644
index 0000000..f05194b
--- /dev/null
+++ b/y2023_bot3/constants/test_constants.jinja2.json
@@ -0,0 +1,8 @@
+{
+  "constants": [
+    {
+      "team": 7971,
+      "data": {% include 'y2023_bot3/constants/test_data/test_team.json' %}
+    }
+  ]
+}
diff --git a/y2023_bot3/constants/test_data/scoring_map.json b/y2023_bot3/constants/test_data/scoring_map.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/y2023_bot3/constants/test_data/scoring_map.json
@@ -0,0 +1 @@
+{}
diff --git a/y2023_bot3/constants/test_data/test_team.json b/y2023_bot3/constants/test_data/test_team.json
new file mode 100644
index 0000000..97bab66
--- /dev/null
+++ b/y2023_bot3/constants/test_data/test_team.json
@@ -0,0 +1,3 @@
+{
+    "robot": {}
+}
diff --git a/y2023_bot3/control_loops/BUILD b/y2023_bot3/control_loops/BUILD
new file mode 100644
index 0000000..77007e7
--- /dev/null
+++ b/y2023_bot3/control_loops/BUILD
@@ -0,0 +1,7 @@
+py_library(
+    name = "python_init",
+    srcs = ["__init__.py"],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+    deps = ["//y2023_bot3:python_init"],
+)
diff --git a/y2023_bot3/control_loops/__init__.py b/y2023_bot3/control_loops/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/y2023_bot3/control_loops/__init__.py
diff --git a/y2023_bot3/control_loops/drivetrain/BUILD b/y2023_bot3/control_loops/drivetrain/BUILD
new file mode 100644
index 0000000..46654ec
--- /dev/null
+++ b/y2023_bot3/control_loops/drivetrain/BUILD
@@ -0,0 +1,102 @@
+genrule(
+    name = "genrule_drivetrain",
+    outs = [
+        "drivetrain_dog_motor_plant.h",
+        "drivetrain_dog_motor_plant.cc",
+        "kalman_drivetrain_motor_plant.h",
+        "kalman_drivetrain_motor_plant.cc",
+    ],
+    cmd = "$(location //y2023_bot3/control_loops/python:drivetrain) $(OUTS)",
+    target_compatible_with = ["@platforms//os:linux"],
+    tools = [
+        "//y2023_bot3/control_loops/python:drivetrain",
+    ],
+)
+
+genrule(
+    name = "genrule_polydrivetrain",
+    outs = [
+        "polydrivetrain_dog_motor_plant.h",
+        "polydrivetrain_dog_motor_plant.cc",
+        "polydrivetrain_cim_plant.h",
+        "polydrivetrain_cim_plant.cc",
+        "hybrid_velocity_drivetrain.h",
+        "hybrid_velocity_drivetrain.cc",
+    ],
+    cmd = "$(location //y2023_bot3/control_loops/python:polydrivetrain) $(OUTS)",
+    target_compatible_with = ["@platforms//os:linux"],
+    tools = [
+        "//y2023_bot3/control_loops/python:polydrivetrain",
+    ],
+)
+
+cc_library(
+    name = "polydrivetrain_plants",
+    srcs = [
+        "drivetrain_dog_motor_plant.cc",
+        "hybrid_velocity_drivetrain.cc",
+        "kalman_drivetrain_motor_plant.cc",
+        "polydrivetrain_dog_motor_plant.cc",
+    ],
+    hdrs = [
+        "drivetrain_dog_motor_plant.h",
+        "hybrid_velocity_drivetrain.h",
+        "kalman_drivetrain_motor_plant.h",
+        "polydrivetrain_dog_motor_plant.h",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//frc971/control_loops:hybrid_state_feedback_loop",
+        "//frc971/control_loops:state_feedback_loop",
+    ],
+)
+
+cc_library(
+    name = "drivetrain_base",
+    srcs = [
+        "drivetrain_base.cc",
+    ],
+    hdrs = [
+        "drivetrain_base.h",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+    deps = [
+        ":polydrivetrain_plants",
+        "//frc971:shifter_hall_effect",
+        "//frc971/control_loops/drivetrain:drivetrain_config",
+    ],
+)
+
+cc_binary(
+    name = "drivetrain",
+    srcs = [
+        "drivetrain_main.cc",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+    deps = [
+        ":drivetrain_base",
+        "//aos:init",
+        "//aos/events:shm_event_loop",
+        "//frc971/control_loops/drivetrain:drivetrain_lib",
+        "//frc971/control_loops/drivetrain/localization:puppet_localizer",
+        "//y2023_bot3/constants:constants_sender",
+    ],
+)
+
+cc_binary(
+    name = "trajectory_generator",
+    srcs = [
+        "trajectory_generator_main.cc",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+    deps = [
+        ":drivetrain_base",
+        "//aos:init",
+        "//aos/events:shm_event_loop",
+        "//frc971/control_loops/drivetrain:trajectory_generator",
+    ],
+)
diff --git a/y2023_bot3/control_loops/drivetrain/drivetrain_base.cc b/y2023_bot3/control_loops/drivetrain/drivetrain_base.cc
new file mode 100644
index 0000000..5b30097
--- /dev/null
+++ b/y2023_bot3/control_loops/drivetrain/drivetrain_base.cc
@@ -0,0 +1,90 @@
+#include "y2023_bot3/control_loops/drivetrain/drivetrain_base.h"
+
+#include <chrono>
+
+#include "frc971/control_loops/drivetrain/drivetrain_config.h"
+#include "frc971/control_loops/state_feedback_loop.h"
+#include "y2023_bot3/control_loops/drivetrain/drivetrain_dog_motor_plant.h"
+#include "y2023_bot3/control_loops/drivetrain/hybrid_velocity_drivetrain.h"
+#include "y2023_bot3/control_loops/drivetrain/kalman_drivetrain_motor_plant.h"
+#include "y2023_bot3/control_loops/drivetrain/polydrivetrain_dog_motor_plant.h"
+
+using ::frc971::control_loops::drivetrain::DownEstimatorConfig;
+using ::frc971::control_loops::drivetrain::DrivetrainConfig;
+using ::frc971::control_loops::drivetrain::LineFollowConfig;
+
+namespace chrono = ::std::chrono;
+
+namespace y2023_bot3 {
+namespace control_loops {
+namespace drivetrain {
+
+using ::frc971::constants::ShifterHallEffect;
+
+const ShifterHallEffect kThreeStateDriveShifter{0.0, 0.0, 0.25, 0.75};
+
+const DrivetrainConfig<double> &GetDrivetrainConfig() {
+  // Yaw of the IMU relative to the robot frame.
+  static constexpr double kImuYaw = 0.0;
+  static DrivetrainConfig<double> kDrivetrainConfig{
+      ::frc971::control_loops::drivetrain::ShifterType::SIMPLE_SHIFTER,
+      ::frc971::control_loops::drivetrain::LoopType::CLOSED_LOOP,
+      ::frc971::control_loops::drivetrain::GyroType::SPARTAN_GYRO,
+      ::frc971::control_loops::drivetrain::IMUType::IMU_FLIPPED_X,
+
+      drivetrain::MakeDrivetrainLoop,
+      drivetrain::MakeVelocityDrivetrainLoop,
+      drivetrain::MakeKFDrivetrainLoop,
+      drivetrain::MakeHybridVelocityDrivetrainLoop,
+
+      chrono::duration_cast<chrono::nanoseconds>(
+          chrono::duration<double>(drivetrain::kDt)),
+      drivetrain::kRobotRadius,
+      drivetrain::kWheelRadius,
+      drivetrain::kV,
+
+      drivetrain::kHighGearRatio,
+      drivetrain::kLowGearRatio,
+      drivetrain::kJ,
+      drivetrain::kMass,
+      kThreeStateDriveShifter,
+      kThreeStateDriveShifter,
+      true /* default_high_gear */,
+      0 /* down_offset if using constants use
+     constants::GetValues().down_error */
+      ,
+      0.7 /* wheel_non_linearity */,
+      1.2 /* quickturn_wheel_multiplier */,
+      1.2 /* wheel_multiplier */,
+      true /*pistol_grip_shift_enables_line_follow*/,
+      (Eigen::Matrix<double, 3, 3>() << std::cos(kImuYaw), -std::sin(kImuYaw),
+       0.0, std::sin(kImuYaw), std::cos(kImuYaw), 0.0, 0.0, 0.0, 1.0)
+          .finished(),
+      false /*is_simulated*/,
+      DownEstimatorConfig{.gravity_threshold = 0.015,
+                          .do_accel_corrections = 1000},
+      LineFollowConfig{
+          .Q = Eigen::Matrix3d((::Eigen::DiagonalMatrix<double, 3>().diagonal()
+                                    << 1.0 / ::std::pow(0.1, 2),
+                                1.0 / ::std::pow(1.0, 2),
+                                1.0 / ::std::pow(1.0, 2))
+                                   .finished()
+                                   .asDiagonal()),
+          .R = Eigen::Matrix2d((::Eigen::DiagonalMatrix<double, 2>().diagonal()
+                                    << 10.0 / ::std::pow(12.0, 2),
+                                10.0 / ::std::pow(12.0, 2))
+                                   .finished()
+                                   .asDiagonal()),
+          .max_controllable_offset = 0.5},
+      frc971::control_loops::drivetrain::PistolTopButtonUse::kNone,
+      frc971::control_loops::drivetrain::PistolSecondButtonUse::kTurn1,
+      frc971::control_loops::drivetrain::PistolBottomButtonUse::
+          kControlLoopDriving,
+  };
+
+  return kDrivetrainConfig;
+};
+
+}  // namespace drivetrain
+}  // namespace control_loops
+}  // namespace y2023_bot3
diff --git a/y2023_bot3/control_loops/drivetrain/drivetrain_base.h b/y2023_bot3/control_loops/drivetrain/drivetrain_base.h
new file mode 100644
index 0000000..0c557c8
--- /dev/null
+++ b/y2023_bot3/control_loops/drivetrain/drivetrain_base.h
@@ -0,0 +1,17 @@
+#ifndef Y2023_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
+#define Y2023_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
+
+#include "frc971/control_loops/drivetrain/drivetrain_config.h"
+
+namespace y2023_bot3 {
+namespace control_loops {
+namespace drivetrain {
+
+const ::frc971::control_loops::drivetrain::DrivetrainConfig<double>
+    &GetDrivetrainConfig();
+
+}  // namespace drivetrain
+}  // namespace control_loops
+}  // namespace y2023_bot3
+
+#endif  // Y2023_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
diff --git a/y2023_bot3/control_loops/drivetrain/drivetrain_main.cc b/y2023_bot3/control_loops/drivetrain/drivetrain_main.cc
new file mode 100644
index 0000000..55c51aa
--- /dev/null
+++ b/y2023_bot3/control_loops/drivetrain/drivetrain_main.cc
@@ -0,0 +1,35 @@
+#include <memory>
+
+#include "aos/events/shm_event_loop.h"
+#include "aos/init.h"
+#include "frc971/constants/constants_sender_lib.h"
+#include "frc971/control_loops/drivetrain/drivetrain.h"
+#include "frc971/control_loops/drivetrain/localization/puppet_localizer.h"
+#include "y2023_bot3/constants/constants_generated.h"
+#include "y2023_bot3/control_loops/drivetrain/drivetrain_base.h"
+
+using ::frc971::control_loops::drivetrain::DrivetrainLoop;
+
+int main(int argc, char **argv) {
+  aos::InitGoogle(&argc, &argv);
+
+  aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+      aos::configuration::ReadConfig("aos_config.json");
+
+  frc971::constants::WaitForConstants<y2023_bot3::Constants>(&config.message());
+
+  aos::ShmEventLoop event_loop(&config.message());
+  std::unique_ptr<::frc971::control_loops::drivetrain::PuppetLocalizer>
+      localizer = std::make_unique<
+          ::frc971::control_loops::drivetrain::PuppetLocalizer>(
+          &event_loop,
+          ::y2023_bot3::control_loops::drivetrain::GetDrivetrainConfig());
+  ;
+  std::unique_ptr<DrivetrainLoop> drivetrain = std::make_unique<DrivetrainLoop>(
+      y2023_bot3::control_loops::drivetrain::GetDrivetrainConfig(), &event_loop,
+      localizer.get());
+
+  event_loop.Run();
+
+  return 0;
+}
diff --git a/y2023_bot3/control_loops/drivetrain/trajectory_generator_main.cc b/y2023_bot3/control_loops/drivetrain/trajectory_generator_main.cc
new file mode 100644
index 0000000..7d6d5f2
--- /dev/null
+++ b/y2023_bot3/control_loops/drivetrain/trajectory_generator_main.cc
@@ -0,0 +1,40 @@
+#include <sys/resource.h>
+#include <sys/time.h>
+
+#include "aos/events/shm_event_loop.h"
+#include "aos/init.h"
+#include "frc971/control_loops/drivetrain/trajectory_generator.h"
+#include "y2023_bot3/control_loops/drivetrain/drivetrain_base.h"
+
+using ::frc971::control_loops::drivetrain::TrajectoryGenerator;
+
+DEFINE_bool(skip_renicing, false,
+            "If true, skip renicing the trajectory generator.");
+
+int main(int argc, char *argv[]) {
+  ::aos::InitGoogle(&argc, &argv);
+
+  aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+      aos::configuration::ReadConfig("aos_config.json");
+
+  ::aos::ShmEventLoop event_loop(&config.message());
+  TrajectoryGenerator generator(
+      &event_loop,
+      ::y2023_bot3::control_loops::drivetrain::GetDrivetrainConfig());
+
+  event_loop.OnRun([]() {
+    if (FLAGS_skip_renicing) {
+      LOG(WARNING) << "Ignoring request to renice to -20 due to "
+                      "--skip_renicing.";
+    } else {
+      errno = 0;
+      setpriority(PRIO_PROCESS, 0, -20);
+      PCHECK(errno == 0)
+          << ": Renicing to -20 failed, use --skip_renicing to skip renicing.";
+    }
+  });
+
+  event_loop.Run();
+
+  return 0;
+}
diff --git a/y2023_bot3/control_loops/python/BUILD b/y2023_bot3/control_loops/python/BUILD
new file mode 100644
index 0000000..fe7666f
--- /dev/null
+++ b/y2023_bot3/control_loops/python/BUILD
@@ -0,0 +1,57 @@
+package(default_visibility = ["//y2023_bot3:__subpackages__"])
+
+py_binary(
+    name = "drivetrain",
+    srcs = [
+        "drivetrain.py",
+    ],
+    legacy_create_init = False,
+    target_compatible_with = ["@platforms//cpu:x86_64"],
+    deps = [
+        ":python_init",
+        "//frc971/control_loops/python:drivetrain",
+        "@pip//glog",
+        "@pip//python_gflags",
+    ],
+)
+
+py_binary(
+    name = "polydrivetrain",
+    srcs = [
+        "drivetrain.py",
+        "polydrivetrain.py",
+    ],
+    legacy_create_init = False,
+    target_compatible_with = ["@platforms//cpu:x86_64"],
+    deps = [
+        ":python_init",
+        "//frc971/control_loops/python:polydrivetrain",
+        "@pip//glog",
+        "@pip//python_gflags",
+    ],
+)
+
+py_library(
+    name = "polydrivetrain_lib",
+    srcs = [
+        "drivetrain.py",
+        "polydrivetrain.py",
+    ],
+    target_compatible_with = ["@platforms//cpu:x86_64"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//frc971/control_loops/python:controls",
+        "//frc971/control_loops/python:drivetrain",
+        "//frc971/control_loops/python:polydrivetrain",
+        "@pip//glog",
+        "@pip//python_gflags",
+    ],
+)
+
+py_library(
+    name = "python_init",
+    srcs = ["__init__.py"],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+    deps = ["//y2023_bot3/control_loops:python_init"],
+)
diff --git a/y2023_bot3/control_loops/python/__init__.py b/y2023_bot3/control_loops/python/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/y2023_bot3/control_loops/python/__init__.py
diff --git a/y2023_bot3/control_loops/python/drivetrain.py b/y2023_bot3/control_loops/python/drivetrain.py
new file mode 100644
index 0000000..3d4469b
--- /dev/null
+++ b/y2023_bot3/control_loops/python/drivetrain.py
@@ -0,0 +1,49 @@
+#!/usr/bin/python3
+
+from __future__ import print_function
+from frc971.control_loops.python import drivetrain
+from frc971.control_loops.python import control_loop
+import sys
+
+import gflags
+import glog
+
+FLAGS = gflags.FLAGS
+
+gflags.DEFINE_bool('plot', False, 'If true, plot the loop response.')
+
+# TODO(max): Change constants based on robot / CAD
+kDrivetrain = drivetrain.DrivetrainParams(
+    J=6.5,
+    mass=68.0,
+    # TODO(austin): Measure radius a bit better.
+    robot_radius=0.39,
+    wheel_radius=2.5 * 0.0254,
+    motor_type=control_loop.Falcon(),
+    num_motors=3,
+    G=(14.0 / 52.0) * (26.0 / 58.0),
+    q_pos=0.24,
+    q_vel=2.5,
+    efficiency=0.92,
+    has_imu=False,
+    force=True,
+    kf_q_voltage=1.0,
+    controller_poles=[0.82, 0.82])
+
+
+def main(argv):
+    argv = FLAGS(argv)
+    glog.init()
+
+    if FLAGS.plot:
+        drivetrain.PlotDrivetrainMotions(kDrivetrain)
+    elif len(argv) != 5:
+        print("Expected .h file name and .cc file name")
+    else:
+        # Write the generated constants out to a file.
+        drivetrain.WriteDrivetrain(argv[1:3], argv[3:5], 'y2023_bot3',
+                                   kDrivetrain)
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/y2023_bot3/control_loops/python/polydrivetrain.py b/y2023_bot3/control_loops/python/polydrivetrain.py
new file mode 100644
index 0000000..80e4f13
--- /dev/null
+++ b/y2023_bot3/control_loops/python/polydrivetrain.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+
+import sys
+from y2023_bot3.control_loops.python import drivetrain
+from frc971.control_loops.python import polydrivetrain
+
+import gflags
+import glog
+
+__author__ = 'Austin Schuh (austin.linux@gmail.com)'
+
+FLAGS = gflags.FLAGS
+
+try:
+    gflags.DEFINE_bool('plot', False, 'If true, plot the loop response.')
+except gflags.DuplicateFlagError:
+    pass
+
+
+def main(argv):
+    if FLAGS.plot:
+        polydrivetrain.PlotPolyDrivetrainMotions(drivetrain.kDrivetrain)
+    elif len(argv) != 7:
+        glog.fatal('Expected .h file name and .cc file name')
+    else:
+        polydrivetrain.WritePolyDrivetrain(argv[1:3], argv[3:5], argv[5:7],
+                                           'y2023_bot3',
+                                           drivetrain.kDrivetrain)
+
+
+if __name__ == '__main__':
+    argv = FLAGS(sys.argv)
+    glog.init()
+    sys.exit(main(argv))
diff --git a/y2023_bot3/control_loops/superstructure/BUILD b/y2023_bot3/control_loops/superstructure/BUILD
new file mode 100644
index 0000000..e6a3082
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/BUILD
@@ -0,0 +1,170 @@
+load("@com_github_google_flatbuffers//:build_defs.bzl", "flatbuffer_cc_library")
+load("@com_github_google_flatbuffers//:typescript.bzl", "flatbuffer_ts_library")
+
+package(default_visibility = ["//visibility:public"])
+
+flatbuffer_cc_library(
+    name = "superstructure_goal_fbs",
+    srcs = [
+        "superstructure_goal.fbs",
+    ],
+    gen_reflections = 1,
+    deps = [
+        "//frc971/control_loops:control_loops_fbs",
+        "//frc971/control_loops:profiled_subsystem_fbs",
+    ],
+)
+
+flatbuffer_cc_library(
+    name = "superstructure_output_fbs",
+    srcs = [
+        "superstructure_output.fbs",
+    ],
+    gen_reflections = 1,
+)
+
+flatbuffer_cc_library(
+    name = "superstructure_status_fbs",
+    srcs = [
+        "superstructure_status.fbs",
+    ],
+    gen_reflections = 1,
+    deps = [
+        "//frc971/control_loops:control_loops_fbs",
+        "//frc971/control_loops:profiled_subsystem_fbs",
+    ],
+)
+
+flatbuffer_ts_library(
+    name = "superstructure_status_ts_fbs",
+    srcs = [
+        "superstructure_status.fbs",
+    ],
+    deps = [
+        "//frc971/control_loops:control_loops_ts_fbs",
+        "//frc971/control_loops:profiled_subsystem_ts_fbs",
+    ],
+)
+
+flatbuffer_cc_library(
+    name = "superstructure_position_fbs",
+    srcs = [
+        "superstructure_position.fbs",
+    ],
+    gen_reflections = 1,
+    deps = [
+        "//frc971:can_configuration_fbs",
+        "//frc971/control_loops:control_loops_fbs",
+        "//frc971/control_loops:profiled_subsystem_fbs",
+    ],
+)
+
+cc_library(
+    name = "superstructure_lib",
+    srcs = [
+        "superstructure.cc",
+    ],
+    hdrs = [
+        "superstructure.h",
+    ],
+    data = [
+    ],
+    deps = [
+        ":superstructure_goal_fbs",
+        ":superstructure_output_fbs",
+        ":superstructure_position_fbs",
+        ":superstructure_status_fbs",
+        "//aos:flatbuffer_merge",
+        "//aos/events:event_loop",
+        "//frc971/constants:constants_sender_lib",
+        "//frc971/control_loops:control_loop",
+        "//frc971/control_loops/drivetrain:drivetrain_can_position_fbs",
+        "//frc971/control_loops/drivetrain:drivetrain_status_fbs",
+        "//frc971/shooter_interpolation:interpolation",
+        "//y2023_bot3:constants",
+        "//y2023_bot3/constants:constants_fbs",
+        "//y2023_bot3/constants:simulated_constants_sender",
+    ],
+)
+
+cc_binary(
+    name = "superstructure",
+    srcs = [
+        "superstructure_main.cc",
+    ],
+    deps = [
+        ":superstructure_lib",
+        "//aos:init",
+        "//aos/events:shm_event_loop",
+    ],
+)
+
+cc_test(
+    name = "superstructure_lib_test",
+    srcs = [
+        "superstructure_lib_test.cc",
+    ],
+    data = [
+        "//y2023_bot3:aos_config",
+    ],
+    deps = [
+        ":superstructure_goal_fbs",
+        ":superstructure_lib",
+        ":superstructure_output_fbs",
+        ":superstructure_position_fbs",
+        ":superstructure_status_fbs",
+        "//aos:json_to_flatbuffer",
+        "//aos:math",
+        "//aos/events/logging:log_writer",
+        "//aos/testing:googletest",
+        "//aos/time",
+        "//frc971/control_loops:capped_test_plant",
+        "//frc971/control_loops:control_loop_test",
+        "//frc971/control_loops:position_sensor_sim",
+        "//frc971/control_loops:subsystem_simulator",
+        "//frc971/control_loops:team_number_test_environment",
+        "//frc971/control_loops/drivetrain:drivetrain_status_fbs",
+    ],
+)
+
+cc_library(
+    name = "led_indicator_lib",
+    srcs = ["led_indicator.cc"],
+    hdrs = ["led_indicator.h"],
+    data = [
+        "@ctre_phoenix_api_cpp_athena//:shared_libraries",
+        "@ctre_phoenix_cci_athena//:shared_libraries",
+    ],
+    target_compatible_with = ["//tools/platforms/hardware:roborio"],
+    deps = [
+        ":superstructure_goal_fbs",
+        ":superstructure_output_fbs",
+        ":superstructure_position_fbs",
+        ":superstructure_status_fbs",
+        "//aos/events:event_loop",
+        "//aos/network:message_bridge_client_fbs",
+        "//aos/network:message_bridge_server_fbs",
+        "//frc971/control_loops:control_loop",
+        "//frc971/control_loops:control_loops_fbs",
+        "//frc971/control_loops:profiled_subsystem_fbs",
+        "//frc971/control_loops/drivetrain:drivetrain_output_fbs",
+        "//frc971/control_loops/drivetrain:drivetrain_status_fbs",
+        "//frc971/control_loops/drivetrain/localization:localizer_output_fbs",
+        "//frc971/queues:gyro_fbs",
+        "//third_party:phoenix",
+        "//third_party:wpilib",
+    ],
+)
+
+cc_binary(
+    name = "superstructure_replay",
+    srcs = ["superstructure_replay.cc"],
+    deps = [
+        ":superstructure_lib",
+        "//aos:configuration",
+        "//aos:init",
+        "//aos/events:simulated_event_loop",
+        "//aos/events/logging:log_reader",
+        "//aos/network:team_number",
+    ],
+)
diff --git a/y2023_bot3/control_loops/superstructure/led_indicator.cc b/y2023_bot3/control_loops/superstructure/led_indicator.cc
new file mode 100644
index 0000000..f0a9838
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/led_indicator.cc
@@ -0,0 +1,142 @@
+#include "y2023_bot3/control_loops/superstructure/led_indicator.h"
+
+namespace led = ctre::phoenix::led;
+namespace chrono = std::chrono;
+
+namespace y2023_bot3::control_loops::superstructure {
+
+LedIndicator::LedIndicator(aos::EventLoop *event_loop)
+    : event_loop_(event_loop),
+      drivetrain_output_fetcher_(
+          event_loop_->MakeFetcher<frc971::control_loops::drivetrain::Output>(
+              "/drivetrain")),
+      superstructure_status_fetcher_(
+          event_loop_->MakeFetcher<Status>("/superstructure")),
+      superstructure_position_fetcher_(
+          event_loop_->MakeFetcher<Position>("/superstructure")),
+      superstructure_goal_fetcher_(
+          event_loop_->MakeFetcher<Goal>("/superstructure")),
+      server_statistics_fetcher_(
+          event_loop_->MakeFetcher<aos::message_bridge::ServerStatistics>(
+              "/roborio/aos")),
+      client_statistics_fetcher_(
+          event_loop_->MakeFetcher<aos::message_bridge::ClientStatistics>(
+              "/roborio/aos")),
+      localizer_output_fetcher_(
+          event_loop_->MakeFetcher<frc971::controls::LocalizerOutput>(
+              "/localizer")),
+      gyro_reading_fetcher_(
+          event_loop_->MakeFetcher<frc971::sensors::GyroReading>(
+              "/drivetrain")),
+      drivetrain_status_fetcher_(
+          event_loop_->MakeFetcher<frc971::control_loops::drivetrain::Status>(
+              "/drivetrain")) {
+  led::CANdleConfiguration config;
+  config.statusLedOffWhenActive = true;
+  config.disableWhenLOS = false;
+  config.brightnessScalar = 1.0;
+  candle_.ConfigAllSettings(config, 0);
+
+  event_loop_->AddPhasedLoop([this](int) { DecideColor(); },
+                             chrono::milliseconds(20));
+  event_loop_->OnRun(
+      [this]() { startup_time_ = event_loop_->monotonic_now(); });
+}
+
+// This method will be called once per scheduler run
+void LedIndicator::DisplayLed(uint8_t r, uint8_t g, uint8_t b) {
+  candle_.SetLEDs(static_cast<int>(r), static_cast<int>(g),
+                  static_cast<int>(b));
+}
+
+bool DisconnectedIMUPiServer(
+    const aos::message_bridge::ServerStatistics &server_statistics) {
+  for (const auto *node_status : *server_statistics.connections()) {
+    if (node_status->state() == aos::message_bridge::State::DISCONNECTED) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool DisconnectedIMUPiClient(
+    const aos::message_bridge::ClientStatistics &client_statistics) {
+  for (const auto *node_status : *client_statistics.connections()) {
+    if (node_status->state() == aos::message_bridge::State::DISCONNECTED) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool PisDisconnected(
+    const frc971::controls::LocalizerOutput &localizer_output) {
+  if (!localizer_output.all_pis_connected()) {
+    return true;
+  } else {
+    return false;
+  }
+}
+
+void LedIndicator::DecideColor() {
+  superstructure_status_fetcher_.Fetch();
+  superstructure_position_fetcher_.Fetch();
+  server_statistics_fetcher_.Fetch();
+  drivetrain_output_fetcher_.Fetch();
+  drivetrain_status_fetcher_.Fetch();
+  client_statistics_fetcher_.Fetch();
+  superstructure_goal_fetcher_.Fetch();
+  gyro_reading_fetcher_.Fetch();
+  localizer_output_fetcher_.Fetch();
+
+  // Estopped
+  if (superstructure_status_fetcher_.get() &&
+      superstructure_status_fetcher_->estopped()) {
+    DisplayLed(255, 0, 0);
+    return;
+  }
+
+  // Not zeroed
+  if (superstructure_status_fetcher_.get() &&
+      !superstructure_status_fetcher_->zeroed()) {
+    DisplayLed(255, 255, 0);
+    return;
+  }
+
+  // If the imu gyro readings are not being sent/updated recently.  Only do this
+  // after we've been on for a bit.
+  if (event_loop_->context().monotonic_event_time >
+          startup_time_ + chrono::seconds(5) &&
+      (!gyro_reading_fetcher_.get() ||
+       gyro_reading_fetcher_.context().monotonic_event_time +
+               frc971::controls::kLoopFrequency * 10 <
+           event_loop_->monotonic_now())) {
+    if (flash_counter_.Flash()) {
+      DisplayLed(255, 0, 0);
+    } else {
+      DisplayLed(255, 255, 255);
+    }
+    return;
+  }
+
+  if (localizer_output_fetcher_.get() == nullptr ||
+      server_statistics_fetcher_.get() == nullptr ||
+      client_statistics_fetcher_.get() == nullptr ||
+      PisDisconnected(*localizer_output_fetcher_) ||
+      DisconnectedIMUPiServer(*server_statistics_fetcher_) ||
+      DisconnectedIMUPiClient(*client_statistics_fetcher_)) {
+    if (flash_counter_.Flash()) {
+      DisplayLed(255, 0, 0);
+    } else {
+      DisplayLed(0, 255, 0);
+    }
+
+    return;
+  }
+
+  DisplayLed(0, 0, 0);
+}
+
+}  // namespace y2023_bot3::control_loops::superstructure
diff --git a/y2023_bot3/control_loops/superstructure/led_indicator.h b/y2023_bot3/control_loops/superstructure/led_indicator.h
new file mode 100644
index 0000000..d878bfe
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/led_indicator.h
@@ -0,0 +1,80 @@
+#ifndef Y2023_CONTROL_LOOPS_SUPERSTRUCTURE_LED_INDICATOR_H_
+#define Y2023_CONTROL_LOOPS_SUPERSTRUCTURE_LED_INDICATOR_H_
+
+#include "ctre/phoenix/led/CANdle.h"
+
+#include "aos/events/event_loop.h"
+#include "aos/network/message_bridge_client_generated.h"
+#include "aos/network/message_bridge_server_generated.h"
+#include "frc971/control_loops/control_loop.h"
+#include "frc971/control_loops/control_loops_generated.h"
+#include "frc971/control_loops/drivetrain/drivetrain_output_generated.h"
+#include "frc971/control_loops/drivetrain/drivetrain_status_generated.h"
+#include "frc971/control_loops/drivetrain/localization/localizer_output_generated.h"
+#include "frc971/control_loops/profiled_subsystem_generated.h"
+#include "frc971/queues/gyro_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_goal_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_output_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_position_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_status_generated.h"
+
+namespace y2023_bot3::control_loops::superstructure {
+
+class FlashCounter {
+ public:
+  FlashCounter(size_t flash_iterations) : flash_iterations_(flash_iterations) {}
+
+  bool Flash() {
+    if (counter_ % flash_iterations_ == 0) {
+      flash_ = !flash_;
+    }
+    counter_++;
+    return flash_;
+  }
+
+ private:
+  size_t flash_iterations_;
+  size_t counter_ = 0;
+  bool flash_ = false;
+};
+
+class LedIndicator {
+ public:
+  LedIndicator(aos::EventLoop *event_loop);
+
+  void DecideColor();
+
+ private:
+  static constexpr size_t kFlashIterations = 5;
+
+  void DisplayLed(uint8_t r, uint8_t g, uint8_t b);
+
+  ctre::phoenix::led::CANdle candle_{8, "rio"};
+
+  aos::EventLoop *event_loop_;
+  aos::Fetcher<frc971::control_loops::drivetrain::Output>
+      drivetrain_output_fetcher_;
+  aos::Fetcher<Status> superstructure_status_fetcher_;
+  aos::Fetcher<Position> superstructure_position_fetcher_;
+  aos::Fetcher<Goal> superstructure_goal_fetcher_;
+  aos::Fetcher<aos::message_bridge::ServerStatistics>
+      server_statistics_fetcher_;
+  aos::Fetcher<aos::message_bridge::ClientStatistics>
+      client_statistics_fetcher_;
+  aos::Fetcher<frc971::controls::LocalizerOutput> localizer_output_fetcher_;
+  aos::Fetcher<frc971::sensors::GyroReading> gyro_reading_fetcher_;
+  aos::Fetcher<frc971::control_loops::drivetrain::Status>
+      drivetrain_status_fetcher_;
+
+  aos::monotonic_clock::time_point last_accepted_time_ =
+      aos::monotonic_clock::min_time;
+
+  aos::monotonic_clock::time_point startup_time_ =
+      aos::monotonic_clock::min_time;
+
+  FlashCounter flash_counter_{kFlashIterations};
+};
+
+}  // namespace y2023_bot3::control_loops::superstructure
+
+#endif  // Y2023_CONTROL_LOOPS_SUPERSTRUCTURE_LED_INDICATOR_H_
diff --git a/y2023_bot3/control_loops/superstructure/superstructure.cc b/y2023_bot3/control_loops/superstructure/superstructure.cc
new file mode 100644
index 0000000..e9df534
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/superstructure.cc
@@ -0,0 +1,61 @@
+#include "y2023_bot3/control_loops/superstructure/superstructure.h"
+
+#include "aos/events/event_loop.h"
+#include "aos/flatbuffer_merge.h"
+#include "aos/network/team_number.h"
+#include "frc971/shooter_interpolation/interpolation.h"
+#include "frc971/zeroing/wrap.h"
+
+DEFINE_bool(ignore_distance, false,
+            "If true, ignore distance when shooting and obay joystick_reader");
+
+namespace y2023_bot3 {
+namespace control_loops {
+namespace superstructure {
+
+using ::aos::monotonic_clock;
+
+using frc971::control_loops::AbsoluteEncoderProfiledJointStatus;
+using frc971::control_loops::PotAndAbsoluteEncoderProfiledJointStatus;
+using frc971::control_loops::RelativeEncoderProfiledJointStatus;
+
+Superstructure::Superstructure(::aos::EventLoop *event_loop,
+                               std::shared_ptr<const constants::Values> values,
+                               const ::std::string &name)
+    : frc971::controls::ControlLoop<Goal, Position, Status, Output>(event_loop,
+                                                                    name),
+      values_(values),
+      constants_fetcher_(event_loop) {
+  event_loop->SetRuntimeRealtimePriority(30);
+}
+
+void Superstructure::RunIteration(const Goal *unsafe_goal,
+                                  const Position *position,
+                                  aos::Sender<Output>::Builder *output,
+                                  aos::Sender<Status>::Builder *status) {
+  (void)unsafe_goal;
+  (void)position;
+
+  const monotonic_clock::time_point timestamp =
+      event_loop()->context().monotonic_event_time;
+  (void)timestamp;
+
+  if (WasReset()) {
+    AOS_LOG(ERROR, "WPILib reset, restarting\n");
+  }
+
+  OutputT output_struct;
+
+  if (output) {
+    output->CheckOk(output->Send(Output::Pack(*output->fbb(), &output_struct)));
+  }
+
+  Status::Builder status_builder = status->MakeBuilder<Status>();
+  status_builder.add_zeroed(true);
+
+  (void)status->Send(status_builder.Finish());
+}
+
+}  // namespace superstructure
+}  // namespace control_loops
+}  // namespace y2023_bot3
diff --git a/y2023_bot3/control_loops/superstructure/superstructure.h b/y2023_bot3/control_loops/superstructure/superstructure.h
new file mode 100644
index 0000000..204bb2c
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/superstructure.h
@@ -0,0 +1,51 @@
+#ifndef Y2023_CONTROL_LOOPS_SUPERSTRUCTURE_SUPERSTRUCTURE_H_
+#define Y2023_CONTROL_LOOPS_SUPERSTRUCTURE_SUPERSTRUCTURE_H_
+
+#include "aos/events/event_loop.h"
+#include "aos/json_to_flatbuffer.h"
+#include "frc971/constants/constants_sender_lib.h"
+#include "frc971/control_loops/control_loop.h"
+#include "frc971/control_loops/drivetrain/drivetrain_can_position_generated.h"
+#include "frc971/control_loops/drivetrain/drivetrain_status_generated.h"
+#include "y2023_bot3/constants.h"
+#include "y2023_bot3/constants/constants_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_goal_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_output_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_position_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_status_generated.h"
+
+namespace y2023_bot3 {
+namespace control_loops {
+namespace superstructure {
+
+class Superstructure
+    : public ::frc971::controls::ControlLoop<Goal, Position, Status, Output> {
+ public:
+  explicit Superstructure(::aos::EventLoop *event_loop,
+                          std::shared_ptr<const constants::Values> values,
+                          const ::std::string &name = "/superstructure");
+
+  double robot_velocity() const;
+
+ protected:
+  virtual void RunIteration(const Goal *unsafe_goal, const Position *position,
+                            aos::Sender<Output>::Builder *output,
+                            aos::Sender<Status>::Builder *status) override;
+
+ private:
+  // Returns the Y coordinate of a game piece given the time-of-flight reading.
+  std::optional<double> LateralOffsetForTimeOfFlight(double reading);
+
+  std::shared_ptr<const constants::Values> values_;
+  frc971::constants::ConstantsFetcher<Constants> constants_fetcher_;
+
+  aos::Alliance alliance_ = aos::Alliance::kInvalid;
+
+  DISALLOW_COPY_AND_ASSIGN(Superstructure);
+};
+
+}  // namespace superstructure
+}  // namespace control_loops
+}  // namespace y2023_bot3
+
+#endif  // Y2023_CONTROL_LOOPS_SUPERSTRUCTURE_SUPERSTRUCTURE_H_
diff --git a/y2023_bot3/control_loops/superstructure/superstructure_goal.fbs b/y2023_bot3/control_loops/superstructure/superstructure_goal.fbs
new file mode 100644
index 0000000..bcdf9ff
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/superstructure_goal.fbs
@@ -0,0 +1,10 @@
+include "frc971/control_loops/profiled_subsystem.fbs";
+
+namespace y2023_bot3.control_loops.superstructure;
+
+table Goal {
+
+}
+
+
+root_type Goal;
diff --git a/y2023_bot3/control_loops/superstructure/superstructure_lib_test.cc b/y2023_bot3/control_loops/superstructure/superstructure_lib_test.cc
new file mode 100644
index 0000000..24c4f2a
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/superstructure_lib_test.cc
@@ -0,0 +1,248 @@
+#include <chrono>
+#include <memory>
+
+#include "gtest/gtest.h"
+
+#include "aos/events/logging/log_writer.h"
+#include "frc971/control_loops/capped_test_plant.h"
+#include "frc971/control_loops/control_loop_test.h"
+#include "frc971/control_loops/position_sensor_sim.h"
+#include "frc971/control_loops/subsystem_simulator.h"
+#include "frc971/control_loops/team_number_test_environment.h"
+#include "y2023_bot3/constants/simulated_constants_sender.h"
+#include "y2023_bot3/control_loops/drivetrain/drivetrain_dog_motor_plant.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure.h"
+
+DEFINE_string(output_folder, "",
+              "If set, logs all channels to the provided logfile.");
+
+namespace y2023_bot3 {
+namespace control_loops {
+namespace superstructure {
+namespace testing {
+namespace {}  // namespace
+namespace chrono = std::chrono;
+
+using ::aos::monotonic_clock;
+using ::frc971::CreateProfileParameters;
+using ::frc971::control_loops::CappedTestPlant;
+using ::frc971::control_loops::
+    CreateStaticZeroingSingleDOFProfiledSubsystemGoal;
+using ::frc971::control_loops::PositionSensorSimulator;
+using ::frc971::control_loops::StaticZeroingSingleDOFProfiledSubsystemGoal;
+using DrivetrainStatus = ::frc971::control_loops::drivetrain::Status;
+
+// Class which simulates the superstructure and sends out queue messages with
+// the position.
+class SuperstructureSimulation {
+ public:
+  SuperstructureSimulation(::aos::EventLoop *event_loop,
+                           std::shared_ptr<const constants::Values> values,
+                           chrono::nanoseconds dt)
+      : event_loop_(event_loop),
+        superstructure_position_sender_(
+            event_loop_->MakeSender<Position>("/superstructure")),
+        superstructure_status_fetcher_(
+            event_loop_->MakeFetcher<Status>("/superstructure")),
+        superstructure_output_fetcher_(
+            event_loop_->MakeFetcher<Output>("/superstructure")) {
+    (void)values;
+    phased_loop_handle_ = event_loop_->AddPhasedLoop(
+        [this](int) {
+          // Skip this the first time.
+          if (!first_) {
+            EXPECT_TRUE(superstructure_output_fetcher_.Fetch());
+            EXPECT_TRUE(superstructure_status_fetcher_.Fetch());
+          }
+          first_ = false;
+          SendPositionMessage();
+        },
+        dt);
+  }
+
+  // Sends a queue message with the position of the superstructure.
+  void SendPositionMessage() {
+    ::aos::Sender<Position>::Builder builder =
+        superstructure_position_sender_.MakeBuilder();
+
+    Position::Builder position_builder = builder.MakeBuilder<Position>();
+    CHECK_EQ(builder.Send(position_builder.Finish()),
+             aos::RawSender::Error::kOk);
+  }
+
+ private:
+  ::aos::EventLoop *event_loop_;
+  ::aos::PhasedLoopHandler *phased_loop_handle_ = nullptr;
+
+  ::aos::Sender<Position> superstructure_position_sender_;
+  ::aos::Fetcher<Status> superstructure_status_fetcher_;
+  ::aos::Fetcher<Output> superstructure_output_fetcher_;
+
+  bool first_ = true;
+};
+
+class SuperstructureTest : public ::frc971::testing::ControlLoopTest {
+ public:
+  SuperstructureTest()
+      : ::frc971::testing::ControlLoopTest(
+            aos::configuration::ReadConfig("y2023_bot3/aos_config.json"),
+            std::chrono::microseconds(5050)),
+        values_(std::make_shared<constants::Values>(constants::MakeValues())),
+        simulated_constants_dummy_(SendSimulationConstants(
+            event_loop_factory(), 7971,
+            "y2023_bot3/constants/test_constants.json")),
+        roborio_(aos::configuration::GetNode(configuration(), "roborio")),
+        superstructure_event_loop(MakeEventLoop("Superstructure", roborio_)),
+        superstructure_(superstructure_event_loop.get(), values_),
+        test_event_loop_(MakeEventLoop("test", roborio_)),
+        superstructure_goal_fetcher_(
+            test_event_loop_->MakeFetcher<Goal>("/superstructure")),
+        superstructure_goal_sender_(
+            test_event_loop_->MakeSender<Goal>("/superstructure")),
+        superstructure_status_fetcher_(
+            test_event_loop_->MakeFetcher<Status>("/superstructure")),
+        superstructure_output_fetcher_(
+            test_event_loop_->MakeFetcher<Output>("/superstructure")),
+        superstructure_position_fetcher_(
+            test_event_loop_->MakeFetcher<Position>("/superstructure")),
+        superstructure_position_sender_(
+            test_event_loop_->MakeSender<Position>("/superstructure")),
+        drivetrain_status_sender_(
+            test_event_loop_->MakeSender<DrivetrainStatus>("/drivetrain")),
+        superstructure_plant_event_loop_(MakeEventLoop("plant", roborio_)),
+        superstructure_plant_(superstructure_plant_event_loop_.get(), values_,
+                              dt()) {
+    set_team_id(frc971::control_loops::testing::kTeamNumber);
+
+    SetEnabled(true);
+
+    if (!FLAGS_output_folder.empty()) {
+      unlink(FLAGS_output_folder.c_str());
+      logger_event_loop_ = MakeEventLoop("logger", roborio_);
+      logger_ = std::make_unique<aos::logger::Logger>(logger_event_loop_.get());
+      logger_->StartLoggingOnRun(FLAGS_output_folder);
+    }
+  }
+
+  void VerifyNearGoal() {
+    superstructure_goal_fetcher_.Fetch();
+    superstructure_status_fetcher_.Fetch();
+
+    ASSERT_TRUE(superstructure_goal_fetcher_.get() != nullptr) << ": No goal";
+    ASSERT_TRUE(superstructure_status_fetcher_.get() != nullptr)
+        << ": No status";
+  }
+
+  void CheckIfZeroed() {
+    superstructure_status_fetcher_.Fetch();
+    ASSERT_TRUE(superstructure_status_fetcher_.get()->zeroed());
+  }
+
+  void WaitUntilZeroed() {
+    int i = 0;
+    do {
+      i++;
+      RunFor(dt());
+      superstructure_status_fetcher_.Fetch();
+      // 2 Seconds
+      ASSERT_LE(i, 2.0 / ::aos::time::DurationInSeconds(dt()));
+
+      // Since there is a delay when sending running, make sure we have a
+      // status before checking it.
+    } while (superstructure_status_fetcher_.get() == nullptr ||
+             !superstructure_status_fetcher_.get()->zeroed());
+  }
+
+  void SendRobotVelocity(double robot_velocity) {
+    SendDrivetrainStatus(robot_velocity, {0.0, 0.0}, 0.0);
+  }
+
+  void SendDrivetrainStatus(double robot_velocity, Eigen::Vector2d pos,
+                            double theta) {
+    // Send a robot velocity to test compensation
+    auto builder = drivetrain_status_sender_.MakeBuilder();
+    auto drivetrain_status_builder = builder.MakeBuilder<DrivetrainStatus>();
+    drivetrain_status_builder.add_robot_speed(robot_velocity);
+    drivetrain_status_builder.add_estimated_left_velocity(robot_velocity);
+    drivetrain_status_builder.add_estimated_right_velocity(robot_velocity);
+    drivetrain_status_builder.add_x(pos.x());
+    drivetrain_status_builder.add_y(pos.y());
+    drivetrain_status_builder.add_theta(theta);
+    builder.CheckOk(builder.Send(drivetrain_status_builder.Finish()));
+  }
+
+  std::shared_ptr<const constants::Values> values_;
+  const bool simulated_constants_dummy_;
+
+  const aos::Node *const roborio_;
+
+  ::std::unique_ptr<::aos::EventLoop> superstructure_event_loop;
+  ::y2023_bot3::control_loops::superstructure::Superstructure superstructure_;
+  ::std::unique_ptr<::aos::EventLoop> test_event_loop_;
+  ::aos::PhasedLoopHandler *phased_loop_handle_ = nullptr;
+
+  ::aos::Fetcher<Goal> superstructure_goal_fetcher_;
+  ::aos::Sender<Goal> superstructure_goal_sender_;
+  ::aos::Fetcher<Status> superstructure_status_fetcher_;
+  ::aos::Fetcher<Output> superstructure_output_fetcher_;
+  ::aos::Fetcher<Position> superstructure_position_fetcher_;
+  ::aos::Sender<Position> superstructure_position_sender_;
+  ::aos::Sender<DrivetrainStatus> drivetrain_status_sender_;
+
+  ::std::unique_ptr<::aos::EventLoop> superstructure_plant_event_loop_;
+  SuperstructureSimulation superstructure_plant_;
+
+  std::unique_ptr<aos::EventLoop> logger_event_loop_;
+  std::unique_ptr<aos::logger::Logger> logger_;
+};
+
+// Makes sure that the voltage on a motor is properly pulled back after
+// saturation such that we don't get weird or bad (e.g. oscillating)
+// behaviour.
+TEST_F(SuperstructureTest, SaturationTest) {
+  SetEnabled(true);
+
+  // Zero it before we move.
+  WaitUntilZeroed();
+  {
+    auto builder = superstructure_goal_sender_.MakeBuilder();
+
+    Goal::Builder goal_builder = builder.MakeBuilder<Goal>();
+
+    ASSERT_EQ(builder.Send(goal_builder.Finish()), aos::RawSender::Error::kOk);
+  }
+  RunFor(chrono::seconds(20));
+  VerifyNearGoal();
+
+  // Try a low acceleration move with a high max velocity and verify the
+  // acceleration is capped like expected.
+  {
+    auto builder = superstructure_goal_sender_.MakeBuilder();
+
+    Goal::Builder goal_builder = builder.MakeBuilder<Goal>();
+
+    ASSERT_EQ(builder.Send(goal_builder.Finish()), aos::RawSender::Error::kOk);
+  }
+
+  // TODO(Milo): Make this a sane time
+  RunFor(chrono::seconds(20));
+  VerifyNearGoal();
+}
+
+// Tests that the loop zeroes when run for a while without a goal.
+TEST_F(SuperstructureTest, ZeroNoGoal) {
+  SetEnabled(true);
+  WaitUntilZeroed();
+  RunFor(chrono::seconds(2));
+}
+
+// Tests that running disabled works
+TEST_F(SuperstructureTest, DisableTest) {
+  RunFor(chrono::seconds(2));
+  CheckIfZeroed();
+}
+
+}  // namespace testing
+}  // namespace superstructure
+}  // namespace control_loops
+}  // namespace y2023_bot3
diff --git a/y2023_bot3/control_loops/superstructure/superstructure_main.cc b/y2023_bot3/control_loops/superstructure/superstructure_main.cc
new file mode 100644
index 0000000..1abfe88
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/superstructure_main.cc
@@ -0,0 +1,25 @@
+#include "aos/events/shm_event_loop.h"
+#include "aos/init.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure.h"
+
+using y2023_bot3::control_loops::superstructure::Superstructure;
+
+int main(int argc, char **argv) {
+  ::aos::InitGoogle(&argc, &argv);
+
+  aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+      aos::configuration::ReadConfig("aos_config.json");
+
+  ::aos::ShmEventLoop event_loop(&config.message());
+
+  frc971::constants::WaitForConstants<y2023_bot3::Constants>(&config.message());
+
+  std::shared_ptr<const y2023_bot3::constants::Values> values =
+      std::make_shared<const y2023_bot3::constants::Values>(
+          y2023_bot3::constants::MakeValues());
+  Superstructure superstructure(&event_loop, values);
+
+  event_loop.Run();
+
+  return 0;
+}
diff --git a/y2023_bot3/control_loops/superstructure/superstructure_output.fbs b/y2023_bot3/control_loops/superstructure/superstructure_output.fbs
new file mode 100644
index 0000000..98dbcf7
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/superstructure_output.fbs
@@ -0,0 +1,6 @@
+namespace y2023_bot3.control_loops.superstructure;
+
+table Output {
+}
+
+root_type Output;
diff --git a/y2023_bot3/control_loops/superstructure/superstructure_position.fbs b/y2023_bot3/control_loops/superstructure/superstructure_position.fbs
new file mode 100644
index 0000000..dc6282f
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/superstructure_position.fbs
@@ -0,0 +1,9 @@
+include "frc971/control_loops/control_loops.fbs";
+include "frc971/can_configuration.fbs";
+
+namespace y2023_bot3.control_loops.superstructure;
+
+table Position {
+}
+
+root_type Position;
diff --git a/y2023_bot3/control_loops/superstructure/superstructure_replay.cc b/y2023_bot3/control_loops/superstructure/superstructure_replay.cc
new file mode 100644
index 0000000..ed39461
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/superstructure_replay.cc
@@ -0,0 +1,74 @@
+// This binary allows us to replay the superstructure code over existing
+// logfile. When you run this code, it generates a new logfile with the data all
+// replayed, so that it can then be run through the plotting tool or analyzed
+// in some other way. The original superstructure status data will be on the
+// /original/superstructure channel.
+#include "gflags/gflags.h"
+
+#include "aos/events/logging/log_reader.h"
+#include "aos/events/logging/log_writer.h"
+#include "aos/events/simulated_event_loop.h"
+#include "aos/init.h"
+#include "aos/json_to_flatbuffer.h"
+#include "aos/logging/log_message_generated.h"
+#include "aos/network/team_number.h"
+#include "y2023_bot3/constants.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure.h"
+
+DEFINE_int32(team, 971, "Team number to use for logfile replay.");
+DEFINE_string(output_folder, "/tmp/superstructure_replay/",
+              "Logs all channels to the provided logfile.");
+
+int main(int argc, char **argv) {
+  aos::InitGoogle(&argc, &argv);
+
+  aos::network::OverrideTeamNumber(FLAGS_team);
+
+  // open logfiles
+  aos::logger::LogReader reader(
+      aos::logger::SortParts(aos::logger::FindLogs(argc, argv)));
+  reader.RemapLoggedChannel("/superstructure",
+                            "y2023_bot3.control_loops.superstructure.Status");
+  reader.RemapLoggedChannel("/superstructure",
+                            "y2023_bot3.control_loops.superstructure.Output");
+
+  aos::SimulatedEventLoopFactory factory(reader.configuration());
+  reader.Register(&factory);
+
+  aos::NodeEventLoopFactory *roborio =
+      factory.GetNodeEventLoopFactory("roborio");
+
+  unlink(FLAGS_output_folder.c_str());
+  std::unique_ptr<aos::EventLoop> logger_event_loop =
+      roborio->MakeEventLoop("logger");
+  auto logger = std::make_unique<aos::logger::Logger>(logger_event_loop.get());
+  logger->StartLoggingOnRun(FLAGS_output_folder);
+
+  roborio->OnStartup([roborio]() {
+    roborio->AlwaysStart<
+        y2023_bot3::control_loops::superstructure::Superstructure>(
+        "superstructure", std::make_shared<y2023_bot3::constants::Values>(
+                              y2023_bot3::constants::MakeValues()));
+  });
+
+  std::unique_ptr<aos::EventLoop> print_loop = roborio->MakeEventLoop("print");
+  print_loop->SkipAosLog();
+  print_loop->MakeWatcher(
+      "/aos", [&print_loop](const aos::logging::LogMessageFbs &msg) {
+        LOG(INFO) << print_loop->context().monotonic_event_time << " "
+                  << aos::FlatbufferToJson(&msg);
+      });
+  print_loop->MakeWatcher(
+      "/superstructure",
+      [&](const y2023_bot3::control_loops::superstructure::Status &status) {
+        if (status.estopped()) {
+          LOG(ERROR) << "Estopped";
+        }
+      });
+
+  factory.Run();
+
+  reader.Deregister();
+
+  return 0;
+}
diff --git a/y2023_bot3/control_loops/superstructure/superstructure_status.fbs b/y2023_bot3/control_loops/superstructure/superstructure_status.fbs
new file mode 100644
index 0000000..b36e0da
--- /dev/null
+++ b/y2023_bot3/control_loops/superstructure/superstructure_status.fbs
@@ -0,0 +1,14 @@
+include "frc971/control_loops/control_loops.fbs";
+include "frc971/control_loops/profiled_subsystem.fbs";
+
+namespace y2023_bot3.control_loops.superstructure;
+
+table Status {
+  // All subsystems know their location.
+  zeroed:bool (id: 0);
+
+  // If true, we have aborted. This is the or of all subsystem estops.
+  estopped:bool (id: 1);
+}
+
+root_type Status;
diff --git a/y2023_bot3/joystick_reader.cc b/y2023_bot3/joystick_reader.cc
new file mode 100644
index 0000000..2e874d3
--- /dev/null
+++ b/y2023_bot3/joystick_reader.cc
@@ -0,0 +1,109 @@
+#include <unistd.h>
+
+#include <cmath>
+#include <cstdio>
+#include <cstring>
+
+#include "aos/actions/actions.h"
+#include "aos/init.h"
+#include "aos/logging/logging.h"
+#include "aos/network/team_number.h"
+#include "aos/util/log_interval.h"
+#include "frc971/autonomous/base_autonomous_actor.h"
+#include "frc971/control_loops/drivetrain/localizer_generated.h"
+#include "frc971/control_loops/profiled_subsystem_generated.h"
+#include "frc971/input/action_joystick_input.h"
+#include "frc971/input/driver_station_data.h"
+#include "frc971/input/drivetrain_input.h"
+#include "frc971/input/joystick_input.h"
+#include "frc971/input/redundant_joystick_data.h"
+#include "frc971/zeroing/wrap.h"
+#include "y2023_bot3/constants.h"
+#include "y2023_bot3/control_loops/drivetrain/drivetrain_base.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_goal_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_status_generated.h"
+
+using frc971::CreateProfileParameters;
+using frc971::control_loops::CreateStaticZeroingSingleDOFProfiledSubsystemGoal;
+using frc971::control_loops::StaticZeroingSingleDOFProfiledSubsystemGoal;
+using frc971::input::driver_station::ButtonLocation;
+using frc971::input::driver_station::ControlBit;
+using frc971::input::driver_station::JoystickAxis;
+using frc971::input::driver_station::POVLocation;
+using Side = frc971::control_loops::drivetrain::RobotSide;
+
+namespace y2023_bot3 {
+namespace input {
+namespace joysticks {
+
+namespace superstructure = y2023_bot3::control_loops::superstructure;
+
+struct ButtonData {
+  ButtonLocation button;
+};
+
+class Reader : public ::frc971::input::ActionJoystickInput {
+ public:
+  Reader(::aos::EventLoop *event_loop)
+      : ::frc971::input::ActionJoystickInput(
+            event_loop,
+            ::y2023_bot3::control_loops::drivetrain::GetDrivetrainConfig(),
+            ::frc971::input::DrivetrainInputReader::InputType::kPistol,
+            {.use_redundant_joysticks = true}),
+        superstructure_goal_sender_(
+            event_loop->MakeSender<superstructure::Goal>("/superstructure")),
+        superstructure_status_fetcher_(
+            event_loop->MakeFetcher<superstructure::Status>(
+                "/superstructure")) {}
+
+  void AutoEnded() override { AOS_LOG(INFO, "Auto ended.\n"); }
+
+  bool has_scored_ = false;
+
+  void HandleTeleop(
+      const ::frc971::input::driver_station::Data &data) override {
+    (void)data;
+    superstructure_status_fetcher_.Fetch();
+    if (!superstructure_status_fetcher_.get()) {
+      AOS_LOG(ERROR, "Got no superstructure status message.\n");
+      return;
+    }
+
+    std::optional<double> place_index = std::nullopt;
+    (void)place_index;
+
+    {
+      auto builder = superstructure_goal_sender_.MakeBuilder();
+
+      superstructure::Goal::Builder superstructure_goal_builder =
+          builder.MakeBuilder<superstructure::Goal>();
+      if (builder.Send(superstructure_goal_builder.Finish()) !=
+          aos::RawSender::Error::kOk) {
+        AOS_LOG(ERROR, "Sending superstructure goal failed.\n");
+      }
+    }
+  }
+
+ private:
+  ::aos::Sender<superstructure::Goal> superstructure_goal_sender_;
+
+  ::aos::Fetcher<superstructure::Status> superstructure_status_fetcher_;
+};
+
+}  // namespace joysticks
+}  // namespace input
+}  // namespace y2023_bot3
+
+int main(int argc, char **argv) {
+  ::aos::InitGoogle(&argc, &argv);
+
+  aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+      aos::configuration::ReadConfig("aos_config.json");
+
+  ::aos::ShmEventLoop event_loop(&config.message());
+  ::y2023_bot3::input::joysticks::Reader reader(&event_loop);
+
+  event_loop.Run();
+
+  return 0;
+}
diff --git a/y2023_bot3/log_web_proxy.sh b/y2023_bot3/log_web_proxy.sh
new file mode 100755
index 0000000..a2c3acc
--- /dev/null
+++ b/y2023_bot3/log_web_proxy.sh
@@ -0,0 +1 @@
+./aos/network/log_web_proxy_main --data_dir=y2023_bot3/www $@
diff --git a/y2023_bot3/rockpi/BUILD b/y2023_bot3/rockpi/BUILD
new file mode 100644
index 0000000..f3a9d94
--- /dev/null
+++ b/y2023_bot3/rockpi/BUILD
@@ -0,0 +1,12 @@
+cc_binary(
+    name = "imu_main",
+    srcs = ["imu_main.cc"],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//aos:init",
+        "//aos/events:shm_event_loop",
+        "//frc971/imu_reader:imu",
+        "//y2023_bot3:constants",
+    ],
+)
diff --git a/y2023_bot3/rockpi/imu_main.cc b/y2023_bot3/rockpi/imu_main.cc
new file mode 100644
index 0000000..cd443f2
--- /dev/null
+++ b/y2023_bot3/rockpi/imu_main.cc
@@ -0,0 +1,25 @@
+#include "aos/events/shm_event_loop.h"
+#include "aos/init.h"
+#include "aos/realtime.h"
+#include "frc971/imu_reader/imu.h"
+#include "y2023_bot3/constants.h"
+
+DEFINE_string(config, "aos_config.json", "Path to the config file to use.");
+
+int main(int argc, char *argv[]) {
+  aos::InitGoogle(&argc, &argv);
+
+  aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+      aos::configuration::ReadConfig(FLAGS_config);
+
+  aos::ShmEventLoop event_loop(&config.message());
+  frc971::imu::Imu imu(
+      &event_loop, y2023_bot3::constants::Values::DrivetrainEncoderToMeters(1));
+
+  event_loop.SetRuntimeAffinity(aos::MakeCpusetFromCpus({0}));
+  event_loop.SetRuntimeRealtimePriority(55);
+
+  event_loop.Run();
+
+  return 0;
+}
diff --git a/y2023_bot3/wpilib_interface.cc b/y2023_bot3/wpilib_interface.cc
new file mode 100644
index 0000000..c1acc5f
--- /dev/null
+++ b/y2023_bot3/wpilib_interface.cc
@@ -0,0 +1,770 @@
+#include <unistd.h>
+
+#include <array>
+#include <chrono>
+#include <cinttypes>
+#include <cmath>
+#include <cstdio>
+#include <cstring>
+#include <functional>
+#include <memory>
+#include <mutex>
+#include <thread>
+
+#include "ctre/phoenix/CANifier.h"
+
+#include "frc971/wpilib/ahal/AnalogInput.h"
+#include "frc971/wpilib/ahal/Counter.h"
+#include "frc971/wpilib/ahal/DigitalGlitchFilter.h"
+#include "frc971/wpilib/ahal/DriverStation.h"
+#include "frc971/wpilib/ahal/Encoder.h"
+#include "frc971/wpilib/ahal/Servo.h"
+#include "frc971/wpilib/ahal/TalonFX.h"
+#include "frc971/wpilib/ahal/VictorSP.h"
+#undef ERROR
+
+#include "ctre/phoenix/cci/Diagnostics_CCI.h"
+#include "ctre/phoenix/motorcontrol/can/TalonFX.h"
+#include "ctre/phoenix/motorcontrol/can/TalonSRX.h"
+#include "ctre/phoenix6/TalonFX.hpp"
+
+#include "aos/commonmath.h"
+#include "aos/containers/sized_array.h"
+#include "aos/events/event_loop.h"
+#include "aos/events/shm_event_loop.h"
+#include "aos/init.h"
+#include "aos/logging/logging.h"
+#include "aos/realtime.h"
+#include "aos/time/time.h"
+#include "aos/util/log_interval.h"
+#include "aos/util/phased_loop.h"
+#include "aos/util/wrapping_counter.h"
+#include "frc971/autonomous/auto_mode_generated.h"
+#include "frc971/can_configuration_generated.h"
+#include "frc971/control_loops/drivetrain/drivetrain_can_position_generated.h"
+#include "frc971/control_loops/drivetrain/drivetrain_position_generated.h"
+#include "frc971/input/robot_state_generated.h"
+#include "frc971/queues/gyro_generated.h"
+#include "frc971/wpilib/ADIS16448.h"
+#include "frc971/wpilib/buffered_pcm.h"
+#include "frc971/wpilib/buffered_solenoid.h"
+#include "frc971/wpilib/dma.h"
+#include "frc971/wpilib/drivetrain_writer.h"
+#include "frc971/wpilib/encoder_and_potentiometer.h"
+#include "frc971/wpilib/joystick_sender.h"
+#include "frc971/wpilib/logging_generated.h"
+#include "frc971/wpilib/loop_output_handler.h"
+#include "frc971/wpilib/pdp_fetcher.h"
+#include "frc971/wpilib/sensor_reader.h"
+#include "frc971/wpilib/wpilib_robot_base.h"
+#include "y2023_bot3/constants.h"
+#include "y2023_bot3/control_loops/superstructure/led_indicator.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_output_generated.h"
+#include "y2023_bot3/control_loops/superstructure/superstructure_position_generated.h"
+
+DEFINE_bool(ctre_diag_server, false,
+            "If true, enable the diagnostics server for interacting with "
+            "devices on the CAN bus using Phoenix Tuner");
+
+using ::aos::monotonic_clock;
+using ::y2023_bot3::constants::Values;
+namespace superstructure = ::y2023_bot3::control_loops::superstructure;
+namespace drivetrain = ::y2023_bot3::control_loops::drivetrain;
+namespace chrono = ::std::chrono;
+using std::make_unique;
+
+namespace y2023_bot3 {
+namespace wpilib {
+namespace {
+
+constexpr double kMaxBringupPower = 12.0;
+
+// TODO(Brian): Fix the interpretation of the result of GetRaw here and in the
+// DMA stuff and then removing the * 2.0 in *_translate.
+// The low bit is direction.
+
+double drivetrain_velocity_translate(double in) {
+  return (((1.0 / in) / Values::kDrivetrainCyclesPerRevolution()) *
+          (2.0 * M_PI)) *
+         Values::kDrivetrainEncoderRatio() *
+         control_loops::drivetrain::kWheelRadius;
+}
+
+constexpr double kMaxFastEncoderPulsesPerSecond = std::max({
+    Values::kMaxDrivetrainEncoderPulsesPerSecond(),
+});
+static_assert(kMaxFastEncoderPulsesPerSecond <= 1300000,
+              "fast encoders are too fast");
+
+}  // namespace
+
+static constexpr int kCANFalconCount = 6;
+static constexpr units::frequency::hertz_t kCANUpdateFreqHz = 200_Hz;
+
+class Falcon {
+ public:
+  Falcon(int device_id, std::string canbus,
+         std::vector<ctre::phoenix6::BaseStatusSignal *> *signals)
+      : talon_(device_id, canbus),
+        device_id_(device_id),
+        device_temp_(talon_.GetDeviceTemp()),
+        supply_voltage_(talon_.GetSupplyVoltage()),
+        supply_current_(talon_.GetSupplyCurrent()),
+        torque_current_(talon_.GetTorqueCurrent()),
+        position_(talon_.GetPosition()),
+        duty_cycle_(talon_.GetDutyCycle()) {
+    // device temp is not timesynced so don't add it to the list of signals
+    device_temp_.SetUpdateFrequency(kCANUpdateFreqHz);
+
+    CHECK_NOTNULL(signals);
+
+    supply_voltage_.SetUpdateFrequency(kCANUpdateFreqHz);
+    signals->push_back(&supply_voltage_);
+
+    supply_current_.SetUpdateFrequency(kCANUpdateFreqHz);
+    signals->push_back(&supply_current_);
+
+    torque_current_.SetUpdateFrequency(kCANUpdateFreqHz);
+    signals->push_back(&torque_current_);
+
+    position_.SetUpdateFrequency(kCANUpdateFreqHz);
+    signals->push_back(&position_);
+
+    duty_cycle_.SetUpdateFrequency(kCANUpdateFreqHz);
+    signals->push_back(&duty_cycle_);
+  }
+
+  void PrintConfigs() {
+    ctre::phoenix6::configs::TalonFXConfiguration configuration;
+    ctre::phoenix::StatusCode status =
+        talon_.GetConfigurator().Refresh(configuration);
+    if (!status.IsOK()) {
+      AOS_LOG(ERROR, "Failed to get falcon configuration: %s: %s",
+              status.GetName(), status.GetDescription());
+    }
+    AOS_LOG(INFO, "configuration: %s", configuration.ToString().c_str());
+  }
+
+  void WriteConfigs(ctre::phoenix6::signals::InvertedValue invert) {
+    inverted_ = invert;
+
+    ctre::phoenix6::configs::CurrentLimitsConfigs current_limits;
+    current_limits.StatorCurrentLimit =
+        constants::Values::kDrivetrainStatorCurrentLimit();
+    current_limits.StatorCurrentLimitEnable = true;
+    current_limits.SupplyCurrentLimit =
+        constants::Values::kDrivetrainSupplyCurrentLimit();
+    current_limits.SupplyCurrentLimitEnable = true;
+
+    ctre::phoenix6::configs::MotorOutputConfigs output_configs;
+    output_configs.NeutralMode =
+        ctre::phoenix6::signals::NeutralModeValue::Brake;
+    output_configs.DutyCycleNeutralDeadband = 0;
+
+    output_configs.Inverted = inverted_;
+
+    ctre::phoenix6::configs::TalonFXConfiguration configuration;
+    configuration.CurrentLimits = current_limits;
+    configuration.MotorOutput = output_configs;
+
+    ctre::phoenix::StatusCode status =
+        talon_.GetConfigurator().Apply(configuration);
+    if (!status.IsOK()) {
+      AOS_LOG(ERROR, "Failed to set falcon configuration: %s: %s",
+              status.GetName(), status.GetDescription());
+    }
+
+    PrintConfigs();
+  }
+
+  ctre::phoenix6::hardware::TalonFX *talon() { return &talon_; }
+
+  flatbuffers::Offset<frc971::control_loops::CANFalcon> WritePosition(
+      flatbuffers::FlatBufferBuilder *fbb) {
+    frc971::control_loops::CANFalcon::Builder builder(*fbb);
+    builder.add_id(device_id_);
+    builder.add_device_temp(device_temp());
+    builder.add_supply_voltage(supply_voltage());
+    builder.add_supply_current(supply_current());
+    builder.add_torque_current(torque_current());
+    builder.add_duty_cycle(duty_cycle());
+
+    double invert =
+        (inverted_ == ctre::phoenix6::signals::InvertedValue::Clockwise_Positive
+             ? 1
+             : -1);
+
+    builder.add_position(
+        constants::Values::DrivetrainCANEncoderToMeters(position()) * invert);
+
+    return builder.Finish();
+  }
+
+  int device_id() const { return device_id_; }
+  float device_temp() const { return device_temp_.GetValue().value(); }
+  float supply_voltage() const { return supply_voltage_.GetValue().value(); }
+  float supply_current() const { return supply_current_.GetValue().value(); }
+  float torque_current() const { return torque_current_.GetValue().value(); }
+  float duty_cycle() const { return duty_cycle_.GetValue().value(); }
+  float position() const { return position_.GetValue().value(); }
+
+  // returns the monotonic timestamp of the latest timesynced reading in the
+  // timebase of the the syncronized CAN bus clock.
+  int64_t GetTimestamp() {
+    std::chrono::nanoseconds latest_timestamp =
+        torque_current_.GetTimestamp().GetTime();
+
+    return latest_timestamp.count();
+  }
+
+  void RefreshNontimesyncedSignals() { device_temp_.Refresh(); };
+
+ private:
+  ctre::phoenix6::hardware::TalonFX talon_;
+  int device_id_;
+
+  ctre::phoenix6::signals::InvertedValue inverted_;
+
+  ctre::phoenix6::StatusSignal<units::temperature::celsius_t> device_temp_;
+  ctre::phoenix6::StatusSignal<units::voltage::volt_t> supply_voltage_;
+  ctre::phoenix6::StatusSignal<units::current::ampere_t> supply_current_,
+      torque_current_;
+  ctre::phoenix6::StatusSignal<units::angle::turn_t> position_;
+  ctre::phoenix6::StatusSignal<units::dimensionless::scalar_t> duty_cycle_;
+};
+
+class CANSensorReader {
+ public:
+  CANSensorReader(
+      aos::EventLoop *event_loop,
+      std::vector<ctre::phoenix6::BaseStatusSignal *> signals_registry)
+      : event_loop_(event_loop),
+        signals_(signals_registry.begin(), signals_registry.end()),
+        can_position_sender_(
+            event_loop
+                ->MakeSender<frc971::control_loops::drivetrain::CANPosition>(
+                    "/drivetrain")) {
+    event_loop->SetRuntimeRealtimePriority(40);
+    event_loop->SetRuntimeAffinity(aos::MakeCpusetFromCpus({1}));
+    timer_handler_ = event_loop->AddTimer([this]() { Loop(); });
+    timer_handler_->set_name("CANSensorReader Loop");
+
+    event_loop->OnRun([this]() {
+      timer_handler_->Schedule(event_loop_->monotonic_now(),
+                               1 / kCANUpdateFreqHz);
+    });
+  }
+
+  void set_falcons(std::shared_ptr<Falcon> right_front,
+                   std::shared_ptr<Falcon> right_back,
+                   std::shared_ptr<Falcon> right_under,
+                   std::shared_ptr<Falcon> left_front,
+                   std::shared_ptr<Falcon> left_back,
+                   std::shared_ptr<Falcon> left_under) {
+    right_front_ = std::move(right_front);
+    right_back_ = std::move(right_back);
+    right_under_ = std::move(right_under);
+    left_front_ = std::move(left_front);
+    left_back_ = std::move(left_back);
+    left_under_ = std::move(left_under);
+  }
+
+ private:
+  void Loop() {
+    ctre::phoenix::StatusCode status =
+        ctre::phoenix6::BaseStatusSignal::WaitForAll(2000_ms, signals_);
+
+    if (!status.IsOK()) {
+      AOS_LOG(ERROR, "Failed to read signals from falcons: %s: %s",
+              status.GetName(), status.GetDescription());
+    }
+
+    auto builder = can_position_sender_.MakeBuilder();
+
+    for (auto falcon : {right_front_, right_back_, right_under_, left_front_,
+                        left_back_, left_under_}) {
+      falcon->RefreshNontimesyncedSignals();
+    }
+
+    aos::SizedArray<flatbuffers::Offset<frc971::control_loops::CANFalcon>,
+                    kCANFalconCount>
+        falcons;
+
+    for (auto falcon : {right_front_, right_back_, right_under_, left_front_,
+                        left_back_, left_under_}) {
+      falcons.push_back(falcon->WritePosition(builder.fbb()));
+    }
+
+    auto falcons_list =
+        builder.fbb()
+            ->CreateVector<
+                flatbuffers::Offset<frc971::control_loops::CANFalcon>>(falcons);
+
+    frc971::control_loops::drivetrain::CANPosition::Builder
+        can_position_builder =
+            builder
+                .MakeBuilder<frc971::control_loops::drivetrain::CANPosition>();
+
+    can_position_builder.add_falcons(falcons_list);
+    can_position_builder.add_timestamp(right_front_->GetTimestamp());
+    can_position_builder.add_status(static_cast<int>(status));
+
+    builder.CheckOk(builder.Send(can_position_builder.Finish()));
+  }
+
+  aos::EventLoop *event_loop_;
+
+  const std::vector<ctre::phoenix6::BaseStatusSignal *> signals_;
+  aos::Sender<frc971::control_loops::drivetrain::CANPosition>
+      can_position_sender_;
+
+  std::shared_ptr<Falcon> right_front_, right_back_, right_under_, left_front_,
+      left_back_, left_under_;
+
+  // Pointer to the timer handler used to modify the wakeup.
+  ::aos::TimerHandler *timer_handler_;
+};
+
+// Class to send position messages with sensor readings to our loops.
+class SensorReader : public ::frc971::wpilib::SensorReader {
+ public:
+  SensorReader(::aos::ShmEventLoop *event_loop,
+               std::shared_ptr<const Values> values,
+               CANSensorReader *can_sensor_reader)
+      : ::frc971::wpilib::SensorReader(event_loop),
+        values_(std::move(values)),
+        auto_mode_sender_(
+            event_loop->MakeSender<::frc971::autonomous::AutonomousMode>(
+                "/autonomous")),
+        superstructure_position_sender_(
+            event_loop->MakeSender<superstructure::Position>(
+                "/superstructure")),
+        drivetrain_position_sender_(
+            event_loop
+                ->MakeSender<::frc971::control_loops::drivetrain::Position>(
+                    "/drivetrain")),
+        gyro_sender_(event_loop->MakeSender<::frc971::sensors::GyroReading>(
+            "/drivetrain")),
+        can_sensor_reader_(can_sensor_reader) {
+    // Set to filter out anything shorter than 1/4 of the minimum pulse width
+    // we should ever see.
+    UpdateFastEncoderFilterHz(kMaxFastEncoderPulsesPerSecond);
+    event_loop->SetRuntimeAffinity(aos::MakeCpusetFromCpus({0}));
+  }
+
+  void Start() override { AddToDMA(&imu_yaw_rate_reader_); }
+
+  // Auto mode switches.
+  void set_autonomous_mode(int i, ::std::unique_ptr<frc::DigitalInput> sensor) {
+    autonomous_modes_.at(i) = ::std::move(sensor);
+  }
+
+  void set_yaw_rate_input(::std::unique_ptr<frc::DigitalInput> sensor) {
+    imu_yaw_rate_input_ = ::std::move(sensor);
+    imu_yaw_rate_reader_.set_input(imu_yaw_rate_input_.get());
+  }
+
+  void RunIteration() override {
+    superstructure_reading_->Set(true);
+
+    {
+      auto builder = drivetrain_position_sender_.MakeBuilder();
+      frc971::control_loops::drivetrain::Position::Builder drivetrain_builder =
+          builder.MakeBuilder<frc971::control_loops::drivetrain::Position>();
+      drivetrain_builder.add_left_encoder(
+          constants::Values::DrivetrainEncoderToMeters(
+              drivetrain_left_encoder_->GetRaw()));
+      drivetrain_builder.add_left_speed(
+          drivetrain_velocity_translate(drivetrain_left_encoder_->GetPeriod()));
+
+      drivetrain_builder.add_right_encoder(
+          -constants::Values::DrivetrainEncoderToMeters(
+              drivetrain_right_encoder_->GetRaw()));
+      drivetrain_builder.add_right_speed(-drivetrain_velocity_translate(
+          drivetrain_right_encoder_->GetPeriod()));
+
+      builder.CheckOk(builder.Send(drivetrain_builder.Finish()));
+    }
+
+    {
+      auto builder = gyro_sender_.MakeBuilder();
+      ::frc971::sensors::GyroReading::Builder gyro_reading_builder =
+          builder.MakeBuilder<::frc971::sensors::GyroReading>();
+      // +/- 2000 deg / sec
+      constexpr double kMaxVelocity = 4000;  // degrees / second
+      constexpr double kVelocityRadiansPerSecond =
+          kMaxVelocity / 360 * (2.0 * M_PI);
+
+      // Only part of the full range is used to prevent being 100% on or off.
+      constexpr double kScaledRangeLow = 0.1;
+      constexpr double kScaledRangeHigh = 0.9;
+
+      constexpr double kPWMFrequencyHz = 200;
+      double velocity_duty_cycle =
+          imu_yaw_rate_reader_.last_width() * kPWMFrequencyHz;
+
+      constexpr double kDutyCycleScale =
+          1 / (kScaledRangeHigh - kScaledRangeLow);
+      // scale from 0.1 - 0.9 to 0 - 1
+      double rescaled_velocity_duty_cycle =
+          (velocity_duty_cycle - kScaledRangeLow) * kDutyCycleScale;
+
+      if (!std::isnan(rescaled_velocity_duty_cycle)) {
+        gyro_reading_builder.add_velocity((rescaled_velocity_duty_cycle - 0.5) *
+                                          kVelocityRadiansPerSecond);
+      }
+      builder.CheckOk(builder.Send(gyro_reading_builder.Finish()));
+    }
+
+    {
+      auto builder = auto_mode_sender_.MakeBuilder();
+
+      uint32_t mode = 0;
+      for (size_t i = 0; i < autonomous_modes_.size(); ++i) {
+        if (autonomous_modes_[i] && autonomous_modes_[i]->Get()) {
+          mode |= 1 << i;
+        }
+      }
+
+      auto auto_mode_builder =
+          builder.MakeBuilder<frc971::autonomous::AutonomousMode>();
+
+      auto_mode_builder.add_mode(mode);
+
+      builder.CheckOk(builder.Send(auto_mode_builder.Finish()));
+    }
+  }
+
+  std::shared_ptr<frc::DigitalOutput> superstructure_reading_;
+
+  void set_superstructure_reading(
+      std::shared_ptr<frc::DigitalOutput> superstructure_reading) {
+    superstructure_reading_ = superstructure_reading;
+  }
+
+ private:
+  std::shared_ptr<const Values> values_;
+
+  aos::Sender<frc971::autonomous::AutonomousMode> auto_mode_sender_;
+  aos::Sender<superstructure::Position> superstructure_position_sender_;
+  aos::Sender<frc971::control_loops::drivetrain::Position>
+      drivetrain_position_sender_;
+  ::aos::Sender<::frc971::sensors::GyroReading> gyro_sender_;
+
+  std::array<std::unique_ptr<frc::DigitalInput>, 2> autonomous_modes_;
+
+  std::unique_ptr<frc::DigitalInput> imu_yaw_rate_input_;
+
+  frc971::wpilib::DMAPulseWidthReader imu_yaw_rate_reader_;
+
+  CANSensorReader *can_sensor_reader_;
+};
+
+class SuperstructureWriter
+    : public ::frc971::wpilib::LoopOutputHandler<superstructure::Output> {
+ public:
+  SuperstructureWriter(aos::EventLoop *event_loop)
+      : frc971::wpilib::LoopOutputHandler<superstructure::Output>(
+            event_loop, "/superstructure") {
+    event_loop->SetRuntimeRealtimePriority(
+        constants::Values::kDrivetrainWriterPriority);
+  }
+
+  std::shared_ptr<frc::DigitalOutput> superstructure_reading_;
+
+  void set_superstructure_reading(
+      std::shared_ptr<frc::DigitalOutput> superstructure_reading) {
+    superstructure_reading_ = superstructure_reading;
+  }
+
+ private:
+  void Stop() override { AOS_LOG(WARNING, "Superstructure output too old.\n"); }
+
+  void Write(const superstructure::Output &output) override { (void)output; }
+
+  static void WriteCan(const double voltage,
+                       ::ctre::phoenix::motorcontrol::can::TalonFX *falcon) {
+    falcon->Set(
+        ctre::phoenix::motorcontrol::ControlMode::PercentOutput,
+        std::clamp(voltage, -kMaxBringupPower, kMaxBringupPower) / 12.0);
+  }
+
+  template <typename T>
+  static void WritePwm(const double voltage, T *motor) {
+    motor->SetSpeed(std::clamp(voltage, -kMaxBringupPower, kMaxBringupPower) /
+                    12.0);
+  }
+};
+
+class SuperstructureCANWriter
+    : public ::frc971::wpilib::LoopOutputHandler<superstructure::Output> {
+ public:
+  SuperstructureCANWriter(::aos::EventLoop *event_loop)
+      : ::frc971::wpilib::LoopOutputHandler<superstructure::Output>(
+            event_loop, "/superstructure") {
+    event_loop->SetRuntimeRealtimePriority(
+        constants::Values::kSuperstructureCANWriterPriority);
+
+    event_loop->OnRun([this]() { WriteConfigs(); });
+  };
+
+  void HandleCANConfiguration(const frc971::CANConfiguration &configuration) {
+    if (configuration.reapply()) {
+      WriteConfigs();
+    }
+  }
+
+ private:
+  void WriteConfigs() {}
+
+  void Write(const superstructure::Output &output) override { (void)output; }
+
+  void Stop() override {
+    AOS_LOG(WARNING, "Superstructure CAN output too old.\n");
+    ctre::phoenix6::controls::DutyCycleOut stop_command(0.0);
+    stop_command.UpdateFreqHz = 0_Hz;
+    stop_command.EnableFOC = true;
+  }
+
+  double SafeSpeed(double voltage) {
+    return (::aos::Clip(voltage, -kMaxBringupPower, kMaxBringupPower) / 12.0);
+  }
+};
+
+class DrivetrainWriter : public ::frc971::wpilib::LoopOutputHandler<
+                             ::frc971::control_loops::drivetrain::Output> {
+ public:
+  DrivetrainWriter(::aos::EventLoop *event_loop)
+      : ::frc971::wpilib::LoopOutputHandler<
+            ::frc971::control_loops::drivetrain::Output>(event_loop,
+                                                         "/drivetrain") {
+    event_loop->SetRuntimeRealtimePriority(
+        constants::Values::kDrivetrainWriterPriority);
+
+    event_loop->OnRun([this]() { WriteConfigs(); });
+  }
+
+  void set_falcons(std::shared_ptr<Falcon> right_front,
+                   std::shared_ptr<Falcon> right_back,
+                   std::shared_ptr<Falcon> right_under,
+                   std::shared_ptr<Falcon> left_front,
+                   std::shared_ptr<Falcon> left_back,
+                   std::shared_ptr<Falcon> left_under) {
+    right_front_ = std::move(right_front);
+    right_back_ = std::move(right_back);
+    right_under_ = std::move(right_under);
+    left_front_ = std::move(left_front);
+    left_back_ = std::move(left_back);
+    left_under_ = std::move(left_under);
+  }
+
+  void set_right_inverted(ctre::phoenix6::signals::InvertedValue invert) {
+    right_inverted_ = invert;
+  }
+
+  void set_left_inverted(ctre::phoenix6::signals::InvertedValue invert) {
+    left_inverted_ = invert;
+  }
+
+  void HandleCANConfiguration(const frc971::CANConfiguration &configuration) {
+    for (auto falcon : {right_front_, right_back_, right_under_, left_front_,
+                        left_back_, left_under_}) {
+      falcon->PrintConfigs();
+    }
+    if (configuration.reapply()) {
+      WriteConfigs();
+    }
+  }
+
+ private:
+  void WriteConfigs() {
+    for (auto falcon :
+         {right_front_.get(), right_back_.get(), right_under_.get()}) {
+      falcon->WriteConfigs(right_inverted_);
+    }
+
+    for (auto falcon :
+         {left_front_.get(), left_back_.get(), left_under_.get()}) {
+      falcon->WriteConfigs(left_inverted_);
+    }
+  }
+
+  void Write(
+      const ::frc971::control_loops::drivetrain::Output &output) override {
+    ctre::phoenix6::controls::DutyCycleOut left_control(
+        SafeSpeed(output.left_voltage()));
+    left_control.UpdateFreqHz = 0_Hz;
+    left_control.EnableFOC = true;
+
+    ctre::phoenix6::controls::DutyCycleOut right_control(
+        SafeSpeed(output.right_voltage()));
+    right_control.UpdateFreqHz = 0_Hz;
+    right_control.EnableFOC = true;
+
+    for (auto falcon :
+         {left_front_.get(), left_back_.get(), left_under_.get()}) {
+      ctre::phoenix::StatusCode status =
+          falcon->talon()->SetControl(left_control);
+
+      if (!status.IsOK()) {
+        AOS_LOG(ERROR, "Failed to write control to falcon: %s: %s",
+                status.GetName(), status.GetDescription());
+      }
+    }
+
+    for (auto falcon :
+         {right_front_.get(), right_back_.get(), right_under_.get()}) {
+      ctre::phoenix::StatusCode status =
+          falcon->talon()->SetControl(right_control);
+
+      if (!status.IsOK()) {
+        AOS_LOG(ERROR, "Failed to write control to falcon: %s: %s",
+                status.GetName(), status.GetDescription());
+      }
+    }
+  }
+
+  void Stop() override {
+    AOS_LOG(WARNING, "drivetrain output too old\n");
+    ctre::phoenix6::controls::DutyCycleOut stop_command(0.0);
+    stop_command.UpdateFreqHz = 0_Hz;
+    stop_command.EnableFOC = true;
+
+    for (auto falcon :
+         {right_front_.get(), right_back_.get(), right_under_.get(),
+          left_front_.get(), left_back_.get(), left_under_.get()}) {
+      falcon->talon()->SetControl(stop_command);
+    }
+  }
+
+  double SafeSpeed(double voltage) {
+    return (::aos::Clip(voltage, -kMaxBringupPower, kMaxBringupPower) / 12.0);
+  }
+
+  ctre::phoenix6::signals::InvertedValue left_inverted_, right_inverted_;
+  std::shared_ptr<Falcon> right_front_, right_back_, right_under_, left_front_,
+      left_back_, left_under_;
+};
+
+class WPILibRobot : public ::frc971::wpilib::WPILibRobotBase {
+ public:
+  ::std::unique_ptr<frc::Encoder> make_encoder(int index) {
+    return make_unique<frc::Encoder>(10 + index * 2, 11 + index * 2, false,
+                                     frc::Encoder::k4X);
+  }
+
+  void Run() override {
+    std::shared_ptr<const Values> values =
+        std::make_shared<const Values>(constants::MakeValues());
+
+    aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+        aos::configuration::ReadConfig("aos_config.json");
+
+    // Thread 1.
+    ::aos::ShmEventLoop joystick_sender_event_loop(&config.message());
+    ::frc971::wpilib::JoystickSender joystick_sender(
+        &joystick_sender_event_loop);
+    AddLoop(&joystick_sender_event_loop);
+
+    // Thread 2.
+    ::aos::ShmEventLoop pdp_fetcher_event_loop(&config.message());
+    ::frc971::wpilib::PDPFetcher pdp_fetcher(&pdp_fetcher_event_loop);
+    AddLoop(&pdp_fetcher_event_loop);
+
+    std::shared_ptr<frc::DigitalOutput> superstructure_reading =
+        make_unique<frc::DigitalOutput>(25);
+
+    std::vector<ctre::phoenix6::BaseStatusSignal *> signals_registry;
+    std::shared_ptr<Falcon> right_front =
+        std::make_shared<Falcon>(1, "Drivetrain Bus", &signals_registry);
+    std::shared_ptr<Falcon> right_back =
+        std::make_shared<Falcon>(2, "Drivetrain Bus", &signals_registry);
+    std::shared_ptr<Falcon> right_under =
+        std::make_shared<Falcon>(3, "Drivetrain Bus", &signals_registry);
+    std::shared_ptr<Falcon> left_front =
+        std::make_shared<Falcon>(4, "Drivetrain Bus", &signals_registry);
+    std::shared_ptr<Falcon> left_back =
+        std::make_shared<Falcon>(5, "Drivetrain Bus", &signals_registry);
+    std::shared_ptr<Falcon> left_under =
+        std::make_shared<Falcon>(6, "Drivetrain Bus", &signals_registry);
+
+    // Thread 3.
+    ::aos::ShmEventLoop can_sensor_reader_event_loop(&config.message());
+    can_sensor_reader_event_loop.set_name("CANSensorReader");
+    CANSensorReader can_sensor_reader(&can_sensor_reader_event_loop,
+                                      std::move(signals_registry));
+
+    can_sensor_reader.set_falcons(right_front, right_back, right_under,
+                                  left_front, left_back, left_under);
+
+    AddLoop(&can_sensor_reader_event_loop);
+
+    // Thread 4.
+    ::aos::ShmEventLoop sensor_reader_event_loop(&config.message());
+    SensorReader sensor_reader(&sensor_reader_event_loop, values,
+                               &can_sensor_reader);
+    sensor_reader.set_pwm_trigger(true);
+    sensor_reader.set_drivetrain_left_encoder(make_encoder(1));
+    sensor_reader.set_drivetrain_right_encoder(make_encoder(0));
+    sensor_reader.set_superstructure_reading(superstructure_reading);
+    sensor_reader.set_yaw_rate_input(make_unique<frc::DigitalInput>(0));
+
+    AddLoop(&sensor_reader_event_loop);
+
+    // Thread 5.
+    // Set up CAN.
+    if (!FLAGS_ctre_diag_server) {
+      c_Phoenix_Diagnostics_SetSecondsToStart(-1);
+      c_Phoenix_Diagnostics_Dispose();
+    }
+
+    ctre::phoenix::platform::can::CANComm_SetRxSchedPriority(
+        constants::Values::kDrivetrainRxPriority, true, "Drivetrain Bus");
+    ctre::phoenix::platform::can::CANComm_SetTxSchedPriority(
+        constants::Values::kDrivetrainTxPriority, true, "Drivetrain Bus");
+
+    ::aos::ShmEventLoop can_output_event_loop(&config.message());
+    can_output_event_loop.set_name("CANOutputWriter");
+    DrivetrainWriter drivetrain_writer(&can_output_event_loop);
+
+    drivetrain_writer.set_falcons(right_front, right_back, right_under,
+                                  left_front, left_back, left_under);
+    drivetrain_writer.set_right_inverted(
+        ctre::phoenix6::signals::InvertedValue::Clockwise_Positive);
+    drivetrain_writer.set_left_inverted(
+        ctre::phoenix6::signals::InvertedValue::CounterClockwise_Positive);
+
+    can_output_event_loop.MakeWatcher(
+        "/roborio",
+        [&drivetrain_writer](const frc971::CANConfiguration &configuration) {
+          drivetrain_writer.HandleCANConfiguration(configuration);
+        });
+
+    AddLoop(&can_output_event_loop);
+
+    // Thread 6
+    // Set up superstructure output.
+    ::aos::ShmEventLoop output_event_loop(&config.message());
+    output_event_loop.set_name("PWMOutputWriter");
+    SuperstructureWriter superstructure_writer(&output_event_loop);
+
+    superstructure_writer.set_superstructure_reading(superstructure_reading);
+
+    AddLoop(&output_event_loop);
+
+    // Thread 7
+    // Set up led_indicator.
+    ::aos::ShmEventLoop led_indicator_event_loop(&config.message());
+    led_indicator_event_loop.set_name("LedIndicator");
+    control_loops::superstructure::LedIndicator led_indicator(
+        &led_indicator_event_loop);
+    AddLoop(&led_indicator_event_loop);
+
+    RunLoops();
+  }
+};
+
+}  // namespace wpilib
+}  // namespace y2023_bot3
+
+AOS_ROBOT_CLASS(::y2023_bot3::wpilib::WPILibRobot);
diff --git a/y2023_bot3/www/BUILD b/y2023_bot3/www/BUILD
new file mode 100644
index 0000000..50367ba
--- /dev/null
+++ b/y2023_bot3/www/BUILD
@@ -0,0 +1,22 @@
+load("//frc971/downloader:downloader.bzl", "aos_downloader_dir")
+
+filegroup(
+    name = "files",
+    srcs = glob([
+        "**/*.html",
+        "**/*.css",
+        "**/*.png",
+    ]),
+    visibility = ["//visibility:public"],
+)
+
+aos_downloader_dir(
+    name = "www_files",
+    srcs = [
+        ":files",
+        "//frc971/analysis:plot_index_bundle.min.js",
+    ],
+    dir = "www",
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//visibility:public"],
+)
diff --git a/y2023_bot3/www/constants.ts b/y2023_bot3/www/constants.ts
new file mode 100644
index 0000000..d6ecfaf
--- /dev/null
+++ b/y2023_bot3/www/constants.ts
@@ -0,0 +1,8 @@
+// Conversion constants to meters
+export const IN_TO_M = 0.0254;
+export const FT_TO_M = 0.3048;
+// Dimensions of the field in meters
+// Numbers are slightly hand-tuned to match the PNG that we are using.
+export const FIELD_WIDTH = 26 * FT_TO_M + 7.25 * IN_TO_M;
+export const FIELD_LENGTH = 54 * FT_TO_M + 5.25 * IN_TO_M;
+
diff --git a/y2023_bot3/www/field.html b/y2023_bot3/www/field.html
new file mode 100644
index 0000000..ee512d3
--- /dev/null
+++ b/y2023_bot3/www/field.html
@@ -0,0 +1,63 @@
+<html>
+  <head>
+    <script src="field_main_bundle.min.js" defer></script>
+    <link rel="stylesheet" href="styles.css">
+  </head>
+  <body>
+    <div id="field"> </div>
+    <div id="legend"> </div>
+    <div id="readouts">
+      <table>
+        <tr>
+          <th colspan="2">Robot State</th>
+        </tr>
+        <tr>
+          <td>X</td>
+          <td id="x"> NA </td>
+        </tr>
+        <tr>
+          <td>Y</td>
+          <td id="y"> NA </td>
+        </tr>
+        <tr>
+          <td>Theta</td>
+          <td id="theta"> NA </td>
+        </tr>
+      </table>
+
+      <table>
+        <tr>
+          <th colspan="2">Superstructure</th>
+        </tr>
+  </table>
+  <table>
+    <tr>
+      <th colspan="2">Game Piece</th>
+    </tr>
+    <tr>
+      <td>Game Piece Held</td>
+      <td id="game_piece"> NA </td>
+    </tr>
+    <tr>
+      <td>Game Piece Position (+ = left, 0 = empty)</td>
+      <td id="game_piece_position"> NA </td>
+    </tr>
+  </table>
+
+  <h3>Zeroing Faults:</h3>
+  <p id="zeroing_faults"> NA </p>
+  </div>
+  <div id="middle_readouts">
+    <div id="vision_readouts">
+    </div>
+    <div id="message_bridge_status">
+      <div>
+        <div>Node</div>
+        <div>Client</div>
+        <div>Server</div>
+      </div>
+    </div>
+  </div>
+  </body>
+</html>
+
diff --git a/y2023_bot3/www/field_handler.ts b/y2023_bot3/www/field_handler.ts
new file mode 100644
index 0000000..809bc5d
--- /dev/null
+++ b/y2023_bot3/www/field_handler.ts
@@ -0,0 +1,185 @@
+import {ByteBuffer} from 'flatbuffers'
+import {ClientStatistics} from '../../aos/network/message_bridge_client_generated'
+import {ServerStatistics, State as ConnectionState} from '../../aos/network/message_bridge_server_generated'
+import {Connection} from '../../aos/network/www/proxy'
+import {ZeroingError} from '../../frc971/control_loops/control_loops_generated'
+import {Status as DrivetrainStatus} from '../../frc971/control_loops/drivetrain/drivetrain_status_generated'
+import {LocalizerOutput} from '../../frc971/control_loops/drivetrain/localization/localizer_output_generated'
+
+import {FIELD_LENGTH, FIELD_WIDTH, FT_TO_M, IN_TO_M} from './constants';
+
+// (0,0) is field center, +X is toward red DS
+const FIELD_SIDE_Y = FIELD_WIDTH / 2;
+const FIELD_EDGE_X = FIELD_LENGTH / 2;
+
+const ROBOT_WIDTH = 25 * IN_TO_M;
+const ROBOT_LENGTH = 32 * IN_TO_M;
+
+export class FieldHandler {
+  private canvas = document.createElement('canvas');
+  private localizerOutput: LocalizerOutput|null = null;
+  private drivetrainStatus: DrivetrainStatus|null = null;
+
+  private handleDrivetrainStatus(data: Uint8Array): void {
+    const fbBuffer = new ByteBuffer(data);
+    this.drivetrainStatus = DrivetrainStatus.getRootAsStatus(fbBuffer);
+  }
+
+  private setCurrentNodeState(element: HTMLElement, state: ConnectionState):
+      void {
+    if (state === ConnectionState.CONNECTED) {
+      element.innerHTML = ConnectionState[state];
+      element.classList.remove('faulted');
+      element.classList.add('connected');
+    } else {
+      element.innerHTML = ConnectionState[state];
+      element.classList.remove('connected');
+      element.classList.add('faulted');
+    }
+  }
+
+  private handleServerStatistics(data: Uint8Array): void {
+    const fbBuffer = new ByteBuffer(data);
+    const serverStatistics =
+        ServerStatistics.getRootAsServerStatistics(fbBuffer);
+
+    for (let ii = 0; ii < serverStatistics.connectionsLength(); ++ii) {
+      const connection = serverStatistics.connections(ii);
+      const nodeName = connection.node().name();
+      if (!this.serverStatuses.has(nodeName)) {
+        this.populateNodeConnections(nodeName);
+      }
+      this.setCurrentNodeState(
+          this.serverStatuses.get(nodeName), connection.state());
+    }
+  }
+
+  private handleClientStatistics(data: Uint8Array): void {
+    const fbBuffer = new ByteBuffer(data);
+    const clientStatistics =
+        ClientStatistics.getRootAsClientStatistics(fbBuffer);
+
+    for (let ii = 0; ii < clientStatistics.connectionsLength(); ++ii) {
+      const connection = clientStatistics.connections(ii);
+      const nodeName = connection.node().name();
+      if (!this.clientStatuses.has(nodeName)) {
+        this.populateNodeConnections(nodeName);
+      }
+      this.setCurrentNodeState(
+          this.clientStatuses.get(nodeName), connection.state());
+    }
+  }
+
+  drawField(): void {
+    const ctx = this.canvas.getContext('2d');
+    ctx.save();
+    ctx.scale(1.0, -1.0);
+    ctx.restore();
+  }
+
+  drawCamera(x: number, y: number, theta: number, color: string = 'blue'):
+      void {
+    const ctx = this.canvas.getContext('2d');
+    ctx.save();
+    ctx.translate(x, y);
+    ctx.rotate(theta);
+    ctx.strokeStyle = color;
+    ctx.beginPath();
+    ctx.moveTo(0.5, 0.5);
+    ctx.lineTo(0, 0);
+    ctx.lineTo(0.5, -0.5);
+    ctx.stroke();
+    ctx.beginPath();
+    ctx.arc(0, 0, 0.25, -Math.PI / 4, Math.PI / 4);
+    ctx.stroke();
+    ctx.restore();
+  }
+
+  drawRobot(
+      x: number, y: number, theta: number, color: string = 'blue',
+      dashed: boolean = false): void {
+    const ctx = this.canvas.getContext('2d');
+    ctx.save();
+    ctx.translate(x, y);
+    ctx.rotate(theta);
+    ctx.strokeStyle = color;
+    ctx.lineWidth = ROBOT_WIDTH / 10.0;
+    if (dashed) {
+      ctx.setLineDash([0.05, 0.05]);
+    } else {
+      // Empty array = solid line.
+      ctx.setLineDash([]);
+    }
+    ctx.rect(-ROBOT_LENGTH / 2, -ROBOT_WIDTH / 2, ROBOT_LENGTH, ROBOT_WIDTH);
+    ctx.stroke();
+
+    // Draw line indicating which direction is forwards on the robot.
+    ctx.beginPath();
+    ctx.moveTo(0, 0);
+    ctx.lineTo(ROBOT_LENGTH / 2.0, 0);
+    ctx.stroke();
+
+    ctx.restore();
+  }
+
+  setZeroing(div: HTMLElement): void {
+    div.innerHTML = 'zeroing';
+    div.classList.remove('faulted');
+    div.classList.add('zeroing');
+    div.classList.remove('near');
+  }
+
+  setEstopped(div: HTMLElement): void {
+    div.innerHTML = 'estopped';
+    div.classList.add('faulted');
+    div.classList.remove('zeroing');
+    div.classList.remove('near');
+  }
+
+  setValue(div: HTMLElement, val: number): void {
+    div.innerHTML = val.toFixed(4);
+    div.classList.remove('faulted');
+    div.classList.remove('zeroing');
+    div.classList.remove('near');
+  }
+
+  draw(): void {
+    this.reset();
+    this.drawField();
+
+    // Draw the matches with debugging information from the localizer.
+    const now = Date.now() / 1000.0;
+
+    if (this.drivetrainStatus && this.drivetrainStatus.trajectoryLogging()) {
+      this.drawRobot(
+          this.drivetrainStatus.trajectoryLogging().x(),
+          this.drivetrainStatus.trajectoryLogging().y(),
+          this.drivetrainStatus.trajectoryLogging().theta(), '#000000FF',
+          false);
+    }
+
+    window.requestAnimationFrame(() => this.draw());
+  }
+
+  reset(): void {
+    const ctx = this.canvas.getContext('2d');
+    ctx.setTransform(1, 0, 0, 1, 0, 0);
+    const size = window.innerHeight * 0.9;
+    ctx.canvas.height = size;
+    const width = size / 2 + 20;
+    ctx.canvas.width = width;
+    ctx.clearRect(0, 0, size, width);
+
+    // Translate to center of display.
+    ctx.translate(width / 2, size / 2);
+    // Coordinate system is:
+    // x -> forward.
+    // y -> to the left.
+    ctx.rotate(-Math.PI / 2);
+    ctx.scale(1, -1);
+
+    const M_TO_PX = (size - 10) / FIELD_LENGTH;
+    ctx.scale(M_TO_PX, M_TO_PX);
+    ctx.lineWidth = 1 / M_TO_PX;
+  }
+}
diff --git a/y2023_bot3/www/field_main.ts b/y2023_bot3/www/field_main.ts
new file mode 100644
index 0000000..d71a45e
--- /dev/null
+++ b/y2023_bot3/www/field_main.ts
@@ -0,0 +1,12 @@
+import {Connection} from '../../aos/network/www/proxy';
+
+import {FieldHandler} from './field_handler';
+
+const conn = new Connection();
+
+conn.connect();
+
+const fieldHandler = new FieldHandler(conn);
+
+fieldHandler.draw();
+
diff --git a/y2023_bot3/www/index.html b/y2023_bot3/www/index.html
new file mode 100644
index 0000000..e4e185e
--- /dev/null
+++ b/y2023_bot3/www/index.html
@@ -0,0 +1,6 @@
+<html>
+  <body>
+    <a href="field.html">Field Visualization</a><br>
+    <a href="plotter.html">Plots</a>
+  </body>
+</html>
diff --git a/y2023_bot3/www/plotter.html b/y2023_bot3/www/plotter.html
new file mode 100644
index 0000000..629ceaa
--- /dev/null
+++ b/y2023_bot3/www/plotter.html
@@ -0,0 +1,7 @@
+<html>
+  <head>
+    <script src="plot_index_bundle.min.js" defer></script>
+  </head>
+  <body>
+  </body>
+</html>
diff --git a/y2023_bot3/www/styles.css b/y2023_bot3/www/styles.css
new file mode 100644
index 0000000..c2c44d2
--- /dev/null
+++ b/y2023_bot3/www/styles.css
@@ -0,0 +1,74 @@
+.channel {
+  display: flex;
+  border-bottom: 1px solid;
+  font-size: 24px;
+}
+#field {
+  display: inline-block
+}
+
+#readouts,
+#middle_readouts
+{
+  display: inline-block;
+  vertical-align: top;
+  float: right;
+}
+
+
+#legend {
+  display: inline-block;
+}
+
+table, th, td {
+  border: 1px solid black;
+  border-collapse: collapse;
+  padding: 5px;
+  margin: 10px;
+}
+
+th, td {
+  text-align: right;
+  width: 70px;
+}
+
+td:first-child {
+  width: 150px;
+}
+
+.connected, .near {
+  background-color: LightGreen;
+  border-radius: 10px;
+}
+
+.zeroing {
+  background-color: yellow;
+  border-radius: 10px;
+}
+
+.faulted {
+  background-color: red;
+  border-radius: 10px;
+}
+
+#vision_readouts > div {
+  display: table-row;
+  padding: 5px;
+}
+
+#vision_readouts > div > div {
+  display: table-cell;
+  padding: 5px;
+  text-align: right;
+}
+
+#message_bridge_status > div {
+  display: table-row;
+  padding: 5px;
+}
+
+#message_bridge_status > div > div {
+  display: table-cell;
+  padding: 5px;
+  text-align: right;
+}
diff --git a/y2023_bot3/y2023_bot3.json b/y2023_bot3/y2023_bot3.json
new file mode 100644
index 0000000..36085de
--- /dev/null
+++ b/y2023_bot3/y2023_bot3.json
@@ -0,0 +1,18 @@
+{
+    "channel_storage_duration": 10000000000,
+    "maps": [
+        {
+            "match": {
+                "name": "/aos",
+                "type": "aos.RobotState"
+            },
+            "rename": {
+                "name": "/roborio/aos"
+            }
+        }
+    ],
+    "imports": [
+        "y2023_bot3_roborio.json",
+        "y2023_bot3_imu.json"
+    ]
+}
diff --git a/y2023_bot3/y2023_bot3_imu.json b/y2023_bot3/y2023_bot3_imu.json
new file mode 100644
index 0000000..5e744a7
--- /dev/null
+++ b/y2023_bot3/y2023_bot3_imu.json
@@ -0,0 +1,270 @@
+{
+  "channels": [
+    {
+      "name": "/imu/aos",
+      "type": "aos.timing.Report",
+      "source_node": "imu",
+      "frequency": 50,
+      "num_senders": 20,
+      "max_size": 4096
+    },
+    {
+      "name": "/imu/aos",
+      "type": "aos.logging.LogMessageFbs",
+      "source_node": "imu",
+      "frequency": 200,
+      "num_senders": 20
+    },
+    {
+      "name": "/imu/aos",
+      "type": "aos.starter.Status",
+      "source_node": "imu",
+      "frequency": 50,
+      "num_senders": 20,
+      "max_size": 2048
+    },
+    {
+      "name": "/imu/aos",
+      "type": "aos.starter.StarterRpc",
+      "source_node": "imu",
+      "frequency": 10,
+      "num_senders": 2
+    },
+    {
+      "name": "/imu/aos",
+      "type": "aos.message_bridge.ServerStatistics",
+      "source_node": "imu",
+      "frequency": 10,
+      "num_senders": 2,
+      "max_size": 1504
+    },
+    {
+      "name": "/imu/aos",
+      "type": "aos.message_bridge.ClientStatistics",
+      "source_node": "imu",
+      "frequency": 20,
+      "num_senders": 2
+    },
+    {
+      "name": "/imu/aos",
+      "type": "aos.logging.DynamicLogCommand",
+      "source_node": "imu",
+      "frequency": 10,
+      "num_senders": 2
+    },
+    {
+      "name": "/imu/aos",
+      "type": "aos.message_bridge.Timestamp",
+      "source_node": "imu",
+      "frequency": 15,
+      "num_senders": 2,
+      "logger": "LOCAL_AND_REMOTE_LOGGER",
+      "logger_nodes": [
+        "roborio",
+      ],
+      "max_size": 400,
+      "destination_nodes": [
+        {
+          "name": "roborio",
+          "priority": 1,
+          "timestamp_logger": "LOCAL_AND_REMOTE_LOGGER",
+          "timestamp_logger_nodes": [
+            "imu"
+          ],
+          "time_to_live": 5000000
+        },
+      ]
+    },
+    {
+      "name": "/imu/aos/remote_timestamps/roborio/imu/aos/aos-message_bridge-Timestamp",
+      "type": "aos.message_bridge.RemoteMessage",
+      "frequency": 20,
+      "source_node": "imu",
+      "max_size": 208
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.starter.StarterRpc",
+      "source_node": "roborio",
+      "logger": "LOCAL_AND_REMOTE_LOGGER",
+      "logger_nodes": [
+        "imu"
+      ],
+      "destination_nodes": [
+        {
+          "name": "imu",
+          "priority": 5,
+          "timestamp_logger": "LOCAL_AND_REMOTE_LOGGER",
+          "timestamp_logger_nodes": [
+            "roborio"
+          ],
+          "time_to_live": 5000000
+        }
+      ]
+    },
+    {
+      "name": "/roborio/aos/remote_timestamps/imu/roborio/aos/aos-starter-StarterRpc",
+      "type": "aos.message_bridge.RemoteMessage",
+      "source_node": "roborio",
+      "logger": "NOT_LOGGED",
+      "frequency": 20,
+      "num_senders": 2,
+      "max_size": 200
+    },
+    {
+      "name": "/localizer",
+      "type": "frc971.IMUValuesBatch",
+      "source_node": "imu",
+      "frequency": 2200,
+      "max_size": 1600,
+      "num_senders": 2
+    },
+    {
+      "name": "/localizer",
+      "type": "frc971.controls.LocalizerOutput",
+      "source_node": "imu",
+      "frequency": 52,
+      "logger": "LOCAL_AND_REMOTE_LOGGER",
+      "logger_nodes": [
+        "roborio"
+      ],
+      "destination_nodes": [
+        {
+          "name": "roborio",
+          "priority": 5,
+          "time_to_live": 5000000,
+          "timestamp_logger": "LOCAL_AND_REMOTE_LOGGER",
+          "timestamp_logger_nodes": [
+            "imu"
+          ]
+        }
+      ]
+    },
+    {
+      "name": "/imu/aos/remote_timestamps/roborio/localizer/frc971-controls-LocalizerOutput",
+      "type": "aos.message_bridge.RemoteMessage",
+      "source_node": "imu",
+      "logger": "NOT_LOGGED",
+      "frequency": 52,
+      "num_senders": 2,
+      "max_size": 200
+    },
+    {
+      "name": "/imu/constants",
+      "type": "y2023_bot3.Constants",
+      "source_node": "imu",
+      "frequency": 1,
+      "num_senders": 2,
+      "max_size": 65536
+    }
+  ],
+  "applications": [
+    {
+      "name": "message_bridge_client",
+      "nodes": [
+        "imu"
+      ]
+    },
+    {
+      "name": "imu",
+      "executable_name": "imu_main",
+      "user": "pi",
+      "nodes": [
+        "imu"
+      ]
+    },
+    {
+      "name": "joystick_republish",
+      "executable_name": "joystick_republish",
+      "user": "pi",
+      "nodes": [
+        "imu"
+      ]
+    },
+    {
+      "name": "message_bridge_server",
+      "executable_name": "message_bridge_server",
+      "user": "pi",
+      "nodes": [
+        "imu"
+      ]
+    },
+    {
+      "name": "localizer_logger",
+      "executable_name": "logger_main",
+      "args": [
+        "--logging_folder",
+        "",
+        "--snappy_compress",
+        "--rotate_every", "30.0"
+      ],
+      "user": "pi",
+      "nodes": [
+        "imu"
+      ]
+    },
+    {
+      "name": "web_proxy",
+      "executable_name": "web_proxy_main",
+      "args": [
+        "--min_ice_port=5800",
+        "--max_ice_port=5810"
+      ],
+      "user": "pi",
+      "nodes": [
+        "imu"
+      ]
+    },
+    {
+      "name": "foxglove_websocket",
+      "user": "pi",
+      "nodes": [
+        "imu"
+      ]
+    },
+    {
+      "name": "constants_sender",
+      "autorestart": false,
+      "user": "pi",
+      "nodes": [
+        "imu"
+      ]
+    }
+  ],
+  "maps": [
+    {
+      "match": {
+        "name": "/constants*",
+        "source_node": "imu"
+      },
+      "rename": {
+        "name": "/imu/constants"
+      }
+    },
+    {
+      "match": {
+        "name": "/aos*",
+        "source_node": "imu"
+      },
+      "rename": {
+        "name": "/imu/aos"
+      }
+    }
+  ],
+  "nodes": [
+    {
+      "name": "imu",
+      "hostname": "pi6",
+      "hostnames": [
+        "pi-971-6",
+        "pi-7971-6",
+        "pi-8971-6",
+        "pi-9971-6"
+      ],
+      "port": 9971
+    },
+    {
+      "name": "roborio"
+    }
+  ]
+}
diff --git a/y2023_bot3/y2023_bot3_roborio.json b/y2023_bot3/y2023_bot3_roborio.json
new file mode 100644
index 0000000..4ae02d6
--- /dev/null
+++ b/y2023_bot3/y2023_bot3_roborio.json
@@ -0,0 +1,465 @@
+{
+  "channels": [
+    {
+      "name": "/roborio/aos",
+      "type": "aos.JoystickState",
+      "source_node": "roborio",
+      "frequency": 100,
+      "logger": "LOCAL_AND_REMOTE_LOGGER",
+      "logger_nodes": [
+        "imu"
+      ],
+      "destination_nodes": [
+        {
+          "name": "imu",
+          "priority": 5,
+          "time_to_live": 50000000
+        }
+      ]
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.RobotState",
+      "source_node": "roborio",
+      "frequency": 250
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.timing.Report",
+      "source_node": "roborio",
+      "frequency": 50,
+      "num_senders": 20,
+      "max_size": 8192
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.logging.LogMessageFbs",
+      "source_node": "roborio",
+      "frequency": 500,
+      "max_size": 1504,
+      "num_senders": 20
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.starter.Status",
+      "source_node": "roborio",
+      "frequency": 50,
+      "num_senders": 20,
+      "max_size": 2000
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.starter.StarterRpc",
+      "source_node": "roborio",
+      "frequency": 10,
+      "max_size": 400,
+      "num_senders": 2
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.message_bridge.ServerStatistics",
+      "source_node": "roborio",
+      "frequency": 10,
+      "num_senders": 2,
+      "max_size": 1504
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.message_bridge.ClientStatistics",
+      "source_node": "roborio",
+      "frequency": 20,
+      "max_size": 2000,
+      "num_senders": 2
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.logging.DynamicLogCommand",
+      "source_node": "roborio",
+      "frequency": 10,
+      "num_senders": 2
+    },
+    {
+      "name": "/roborio/aos/remote_timestamps/imu/roborio/aos/aos-message_bridge-Timestamp",
+      "type": "aos.message_bridge.RemoteMessage",
+      "frequency": 20,
+      "source_node": "roborio",
+      "max_size": 208
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "aos.message_bridge.Timestamp",
+      "source_node": "roborio",
+      "frequency": 15,
+      "num_senders": 2,
+      "max_size": 512,
+      "logger": "LOCAL_AND_REMOTE_LOGGER",
+      "logger_nodes": [
+        "imu"
+      ],
+      "destination_nodes": [
+        {
+          "name": "imu",
+          "priority": 1,
+          "timestamp_logger": "LOCAL_AND_REMOTE_LOGGER",
+          "timestamp_logger_nodes": [
+            "roborio"
+          ],
+          "time_to_live": 5000000
+        }
+      ]
+    },
+    {
+      "name": "/superstructure",
+      "type": "y2023_bot3.control_loops.superstructure.Goal",
+      "source_node": "roborio",
+      "frequency": 250,
+      "max_size": 512
+    },
+    {
+      "name": "/superstructure",
+      "type": "y2023_bot3.control_loops.superstructure.Status",
+      "source_node": "roborio",
+      "frequency": 400,
+      "num_senders": 2
+    },
+    {
+      "name": "/superstructure",
+      "type": "y2023_bot3.control_loops.superstructure.Output",
+      "source_node": "roborio",
+      "frequency": 250,
+      "num_senders": 2,
+      "max_size": 224
+    },
+    {
+      "name": "/superstructure",
+      "type": "y2023_bot3.control_loops.superstructure.Position",
+      "source_node": "roborio",
+      "frequency": 250,
+      "num_senders": 2,
+      "max_size": 448
+    },
+    {
+      "name": "/can",
+      "type": "frc971.can_logger.CanFrame",
+      "source_node": "roborio",
+      "frequency": 6000,
+      "num_senders": 2,
+      "max_size": 200
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.control_loops.drivetrain.CANPosition",
+      "source_node": "roborio",
+      "frequency": 220,
+      "num_senders": 2,
+      "max_size": 400
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.sensors.GyroReading",
+      "source_node": "roborio",
+      "frequency": 250,
+      "num_senders": 2
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.sensors.Uid",
+      "source_node": "roborio",
+      "frequency": 250,
+      "num_senders": 2
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.control_loops.drivetrain.fb.Trajectory",
+      "source_node": "roborio",
+      "max_size": 600000,
+      "frequency": 10,
+      "logger": "NOT_LOGGED",
+      "num_senders": 2,
+      "read_method": "PIN",
+      "num_readers": 10
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.control_loops.drivetrain.SplineGoal",
+      "source_node": "roborio",
+      "frequency": 10
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.control_loops.drivetrain.Goal",
+      "source_node": "roborio",
+      "max_size": 224,
+      "frequency": 250
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.control_loops.drivetrain.Position",
+      "source_node": "roborio",
+      "frequency": 400,
+      "max_size": 112,
+      "num_senders": 2
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.control_loops.drivetrain.Output",
+      "source_node": "roborio",
+      "frequency": 400,
+      "max_size": 80,
+      "num_senders": 2,
+      "logger": "LOCAL_AND_REMOTE_LOGGER",
+      "logger_nodes": [
+        "imu"
+      ],
+      "destination_nodes": [
+        {
+          "name": "imu",
+          "priority": 5,
+          "time_to_live": 5000000
+        }
+      ]
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.control_loops.drivetrain.Status",
+      "source_node": "roborio",
+      "frequency": 400,
+      "max_size": 1616,
+      "num_senders": 2
+    },
+    {
+      "name": "/drivetrain",
+      "type": "frc971.control_loops.drivetrain.LocalizerControl",
+      "source_node": "roborio",
+      "frequency": 250,
+      "max_size": 96,
+      "logger": "LOCAL_AND_REMOTE_LOGGER",
+      "logger_nodes": [
+        "imu"
+      ],
+      "destination_nodes": [
+        {
+          "name": "imu",
+          "priority": 5,
+          "timestamp_logger": "LOCAL_AND_REMOTE_LOGGER",
+          "timestamp_logger_nodes": [
+            "roborio"
+          ],
+          "time_to_live": 0
+        }
+      ]
+    },
+    {
+      "name": "/roborio/aos/remote_timestamps/imu/drivetrain/frc971-control_loops-drivetrain-LocalizerControl",
+      "type": "aos.message_bridge.RemoteMessage",
+      "source_node": "roborio",
+      "logger": "NOT_LOGGED",
+      "frequency": 400,
+      "num_senders": 2,
+      "max_size": 200
+    },
+    {
+      "name": "/autonomous",
+      "type": "aos.common.actions.Status",
+      "source_node": "roborio"
+    },
+    {
+      "name": "/autonomous",
+      "type": "frc971.autonomous.Goal",
+      "source_node": "roborio"
+    },
+    {
+      "name": "/autonomous",
+      "type": "frc971.autonomous.AutonomousMode",
+      "source_node": "roborio",
+      "frequency": 250
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "frc971.PDPValues",
+      "source_node": "roborio",
+      "frequency": 55,
+      "max_size": 368
+    },
+    {
+      "name": "/roborio/aos",
+      "type": "frc971.wpilib.PneumaticsToLog",
+      "source_node": "roborio",
+      "frequency": 50
+    },
+    {
+      "name": "/roborio",
+      "type": "frc971.CANConfiguration",
+      "source_node": "roborio",
+      "frequency": 2
+    },
+    {
+      "name": "/roborio/constants",
+      "type": "y2023_bot3.Constants",
+      "source_node": "roborio",
+      "frequency": 1,
+      "num_senders": 2,
+      "max_size": 65536
+    }
+  ],
+  "applications": [
+    {
+      "name": "drivetrain",
+      "executable_name": "drivetrain",
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "trajectory_generator",
+      "executable_name": "trajectory_generator",
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "superstructure",
+      "executable_name": "superstructure",
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "roborio_irq_affinity",
+      "executable_name": "irq_affinity",
+      "args": [
+        "--irq_config=/home/admin/bin/roborio_irq_config.json"
+      ],
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "joystick_reader",
+      "executable_name": "joystick_reader",
+      "args": [
+        "--nodie_on_malloc"
+      ],
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "wpilib_interface",
+      "executable_name": "wpilib_interface",
+      "args": [
+        "--nodie_on_malloc"
+      ],
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "autonomous_action",
+      "executable_name": "autonomous_action",
+      "args": [
+        "--nodie_on_malloc"
+      ],
+      "autostart": true,
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "roborio_web_proxy",
+      "executable_name": "web_proxy_main",
+      "args": [
+        "--min_ice_port=5800",
+        "--max_ice_port=5810"
+      ],
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "roborio_message_bridge_client",
+      "executable_name": "message_bridge_client",
+      "args": [
+        "--rt_priority=16",
+        "--sinit_max_init_timeout=5000"
+      ],
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "roborio_message_bridge_server",
+      "executable_name": "message_bridge_server",
+      "args": [
+        "--rt_priority=16"
+      ],
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "logger",
+      "executable_name": "logger_main",
+      "args": [
+        "--snappy_compress",
+        "--logging_folder=/home/admin/logs/",
+        "--rotate_every", "30.0"
+      ],
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "constants_sender_roborio",
+      "executable_name": "constants_sender",
+      "autorestart": false,
+      "nodes": [
+        "roborio"
+      ]
+    },
+    {
+      "name": "can_logger",
+      "executable_name": "can_logger",
+      "nodes": [
+        "roborio"
+      ]
+    }
+  ],
+  "maps": [
+    {
+      "match": {
+        "name": "/constants*",
+        "source_node": "roborio"
+      },
+      "rename": {
+        "name": "/roborio/constants"
+      }
+    },
+    {
+      "match": {
+        "name": "/aos*",
+        "source_node": "roborio"
+      },
+      "rename": {
+        "name": "/roborio/aos"
+      }
+    }
+  ],
+  "nodes": [
+    {
+      "name": "roborio",
+      "hostname": "roborio",
+      "hostnames": [
+        "roboRIO-971-FRC",
+        "roboRIO-6971-FRC",
+        "roboRIO-7971-FRC",
+        "roboRIO-8971-FRC",
+        "roboRIO-9971-FRC"
+      ],
+      "port": 9971
+    },
+    {
+      "name": "imu"
+    },
+  ]
+}