Added y2016_bot4 (2+2, just drive base)

Change-Id: Ideca53bfc7cb4cf701dc7cf068d86dfb2bc16ae5
diff --git a/y2016_bot4/control_loops/drivetrain/BUILD b/y2016_bot4/control_loops/drivetrain/BUILD
new file mode 100644
index 0000000..c046d5d
--- /dev/null
+++ b/y2016_bot4/control_loops/drivetrain/BUILD
@@ -0,0 +1,77 @@
+package(default_visibility = ['//visibility:public'])
+
+load('/aos/build/queues', 'queue_library')
+
+genrule(
+  name = 'genrule_drivetrain',
+  visibility = ['//visibility:private'],
+  cmd = '$(location //y2016_bot4/control_loops/python:drivetrain) $(OUTS)',
+  tools = [
+    '//y2016_bot4/control_loops/python:drivetrain',
+  ],
+  outs = [
+    'drivetrain_dog_motor_plant.h',
+    'drivetrain_dog_motor_plant.cc',
+    'kalman_drivetrain_motor_plant.h',
+    'kalman_drivetrain_motor_plant.cc',
+  ],
+)
+
+genrule(
+  name = 'genrule_polydrivetrain',
+  visibility = ['//visibility:private'],
+  cmd = '$(location //y2016_bot4/control_loops/python:polydrivetrain) $(OUTS)',
+  tools = [
+    '//y2016_bot4/control_loops/python:polydrivetrain',
+  ],
+  outs = [
+    'polydrivetrain_dog_motor_plant.h',
+    'polydrivetrain_dog_motor_plant.cc',
+    'polydrivetrain_cim_plant.h',
+    'polydrivetrain_cim_plant.cc',
+  ],
+)
+
+cc_library(
+  name = 'polydrivetrain_plants',
+  srcs = [
+    'polydrivetrain_dog_motor_plant.cc',
+    'drivetrain_dog_motor_plant.cc',
+    'kalman_drivetrain_motor_plant.cc',
+  ],
+  hdrs = [
+    'polydrivetrain_dog_motor_plant.h',
+    'drivetrain_dog_motor_plant.h',
+    'kalman_drivetrain_motor_plant.h',
+  ],
+  deps = [
+    '//frc971/control_loops:state_feedback_loop',
+  ],
+)
+
+cc_library(
+  name = 'drivetrain_base',
+  srcs = [
+    'drivetrain_base.cc',
+  ],
+  hdrs = [
+    'drivetrain_base.h',
+  ],
+  deps = [
+    ':polydrivetrain_plants',
+    '//frc971/control_loops/drivetrain:drivetrain_config',
+    '//frc971:shifter_hall_effect',
+  ],
+)
+
+cc_binary(
+  name = 'drivetrain',
+  srcs = [
+    'drivetrain_main.cc',
+  ],
+  deps = [
+    ':drivetrain_base',
+    '//aos/linux_code:init',
+    '//frc971/control_loops/drivetrain:drivetrain_lib',
+  ],
+)
diff --git a/y2016_bot4/control_loops/drivetrain/drivetrain_base.cc b/y2016_bot4/control_loops/drivetrain/drivetrain_base.cc
new file mode 100644
index 0000000..967e8df
--- /dev/null
+++ b/y2016_bot4/control_loops/drivetrain/drivetrain_base.cc
@@ -0,0 +1,48 @@
+#include "y2016_bot4/control_loops/drivetrain/drivetrain_base.h"
+
+#include "frc971/control_loops/drivetrain/drivetrain_config.h"
+
+#include "frc971/control_loops/state_feedback_loop.h"
+#include "y2016_bot4/control_loops/drivetrain/drivetrain_dog_motor_plant.h"
+#include "y2016_bot4/control_loops/drivetrain/polydrivetrain_dog_motor_plant.h"
+#include "y2016_bot4/control_loops/drivetrain/kalman_drivetrain_motor_plant.h"
+
+using ::frc971::control_loops::drivetrain::DrivetrainConfig;
+
+namespace y2016_bot4 {
+namespace control_loops {
+namespace drivetrain {
+
+using ::frc971::constants::ShifterHallEffect;
+
+const ShifterHallEffect kThreeStateDriveShifter{0.0, 0.0, 0.0, 0.0, 0.25, 0.75};
+
+const DrivetrainConfig &GetDrivetrainConfig() {
+  static DrivetrainConfig kDrivetrainConfig{
+      ::frc971::control_loops::drivetrain::ShifterType::NO_SHIFTER,
+      ::frc971::control_loops::drivetrain::LoopType::CLOSED_LOOP,
+
+      ::y2016_bot4::control_loops::drivetrain::MakeDrivetrainLoop,
+      ::y2016_bot4::control_loops::drivetrain::MakeVelocityDrivetrainLoop,
+      ::y2016_bot4::control_loops::drivetrain::MakeKFDrivetrainLoop,
+
+      drivetrain::kDt,
+      drivetrain::kRobotRadius,
+      drivetrain::kWheelRadius,
+      drivetrain::kV,
+
+      drivetrain::kHighGearRatio,
+      drivetrain::kHighGearRatio,
+      kThreeStateDriveShifter,
+      kThreeStateDriveShifter,
+      true,
+      0.0,
+      0.4,
+      1.0};
+
+  return kDrivetrainConfig;
+};
+
+}  // namespace drivetrain
+}  // namespace control_loops
+}  // namespace y2016_bot4
diff --git a/y2016_bot4/control_loops/drivetrain/drivetrain_base.h b/y2016_bot4/control_loops/drivetrain/drivetrain_base.h
new file mode 100644
index 0000000..8557c0d
--- /dev/null
+++ b/y2016_bot4/control_loops/drivetrain/drivetrain_base.h
@@ -0,0 +1,21 @@
+#ifndef Y2016_BOT4_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
+#define Y2016_BOT4_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
+
+#include "frc971/control_loops/drivetrain/drivetrain_config.h"
+
+namespace y2016_bot4 {
+namespace constants {
+// The ratio from the encoder shaft to the drivetrain wheels.
+static constexpr double kDrivetrainEncoderRatio = 1.0;
+
+}  // namespace constants
+namespace control_loops {
+namespace drivetrain {
+const ::frc971::control_loops::drivetrain::DrivetrainConfig &
+GetDrivetrainConfig();
+
+}  // namespace drivetrain
+}  // namespace control_loops
+}  // namespace y2016_bot4
+
+#endif  // Y2016_BOT4_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
diff --git a/y2016_bot4/control_loops/drivetrain/drivetrain_main.cc b/y2016_bot4/control_loops/drivetrain/drivetrain_main.cc
new file mode 100644
index 0000000..8d6bcff
--- /dev/null
+++ b/y2016_bot4/control_loops/drivetrain/drivetrain_main.cc
@@ -0,0 +1,15 @@
+#include "aos/linux_code/init.h"
+
+#include "frc971/control_loops/drivetrain/drivetrain.h"
+#include "y2016_bot4/control_loops/drivetrain/drivetrain_base.h"
+
+using ::frc971::control_loops::drivetrain::DrivetrainLoop;
+
+int main() {
+  ::aos::Init();
+  DrivetrainLoop drivetrain(
+      ::y2016_bot4::control_loops::drivetrain::GetDrivetrainConfig());
+  drivetrain.Run();
+  ::aos::Cleanup();
+  return 0;
+}