Create y2022 directory

Signed-off-by: milind-u <milind.upadhyay@gmail.com>
Change-Id: I3a57026587204e084276c7e338c397467f776a70
diff --git a/y2022/control_loops/drivetrain/drivetrain_base.cc b/y2022/control_loops/drivetrain/drivetrain_base.cc
new file mode 100644
index 0000000..cbc9c42
--- /dev/null
+++ b/y2022/control_loops/drivetrain/drivetrain_base.cc
@@ -0,0 +1,63 @@
+#include "y2022/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 "y2022/control_loops/drivetrain/drivetrain_dog_motor_plant.h"
+#include "y2022/control_loops/drivetrain/hybrid_velocity_drivetrain.h"
+#include "y2022/control_loops/drivetrain/kalman_drivetrain_motor_plant.h"
+#include "y2022/control_loops/drivetrain/polydrivetrain_dog_motor_plant.h"
+
+using ::frc971::control_loops::drivetrain::DrivetrainConfig;
+
+namespace chrono = ::std::chrono;
+
+namespace y2022 {
+namespace control_loops {
+namespace drivetrain {
+
+using ::frc971::constants::ShifterHallEffect;
+
+const ShifterHallEffect kThreeStateDriveShifter{0.0, 0.0, 0.25, 0.75};
+
+const DrivetrainConfig<double> &GetDrivetrainConfig() {
+  static DrivetrainConfig<double> kDrivetrainConfig{
+      ::frc971::control_loops::drivetrain::ShifterType::SIMPLE_SHIFTER,
+      ::frc971::control_loops::drivetrain::LoopType::CLOSED_LOOP,
+      ::frc971::control_loops::drivetrain::GyroType::IMU_Z_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*/,
+  };
+
+  return kDrivetrainConfig;
+};
+
+}  // namespace drivetrain
+}  // namespace control_loops
+}  // namespace y2022