y2017/joystick_reader.cc

#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <math.h>

#include "aos/linux_code/init.h"
#include "aos/input/joystick_input.h"
#include "aos/common/input/driver_station_data.h"
#include "aos/common/logging/logging.h"
#include "aos/common/util/log_interval.h"
#include "aos/common/time.h"
#include "aos/common/actions/actions.h"

#include "frc971/control_loops/drivetrain/drivetrain.q.h"
#include "y2017/control_loops/superstructure/superstructure.q.h"

#include "y2017/constants.h"
#include "frc971/autonomous/auto.q.h"

using ::frc971::control_loops::drivetrain_queue;
using ::y2017::control_loops::superstructure_queue;

using ::aos::input::driver_station::ButtonLocation;
using ::aos::input::driver_station::ControlBit;
using ::aos::input::driver_station::JoystickAxis;
using ::aos::input::driver_station::POVLocation;

namespace y2017 {
namespace input {
namespace joysticks {

const JoystickAxis kSteeringWheel(1, 1), kDriveThrottle(2, 2);
const ButtonLocation kQuickTurn(1, 5);

const ButtonLocation kTurn1(1, 7);
const ButtonLocation kTurn2(1, 11);

const ButtonLocation kIntakeDown(3, 9);
const ButtonLocation kIntakeIn(3, 12);
const ButtonLocation kIntakeOut(3, 8);
const POVLocation kHang(3, 90);
const ButtonLocation kFire(3, 3);
const ButtonLocation kCloseShot(3, 7);
const ButtonLocation kMiddleShot(3, 6);
const POVLocation kFarShot(3, 270);

const ButtonLocation kVisionAlign(3, 5);

const ButtonLocation kReverseIndexer(3, 4);
const ButtonLocation kExtra1(3, 11);
const ButtonLocation kExtra2(3, 10);
const ButtonLocation kExtra3(3, 2);

class Reader : public ::aos::input::JoystickInput {
 public:
  Reader() {}

  void RunIteration(const ::aos::input::driver_station::Data &data) override {
    bool last_auto_running = auto_running_;
    auto_running_ = data.GetControlBit(ControlBit::kAutonomous) &&
                    data.GetControlBit(ControlBit::kEnabled);
    if (auto_running_ != last_auto_running) {
      if (auto_running_) {
        StartAuto();
      } else {
        StopAuto();
      }
    }

    vision_valid_ = false;

    if (!auto_running_) {
      HandleDrivetrain(data);
      HandleTeleop(data);
    }

    // Process any pending actions.
    action_queue_.Tick();
    was_running_ = action_queue_.Running();
  }

  void HandleDrivetrain(const ::aos::input::driver_station::Data &data) {
    bool is_control_loop_driving = false;

    const double wheel = -data.GetAxis(kSteeringWheel);
    const double throttle = -data.GetAxis(kDriveThrottle);
    drivetrain_queue.status.FetchLatest();

    if (data.PosEdge(kTurn1) || data.PosEdge(kTurn2)) {
      if (drivetrain_queue.status.get()) {
        left_goal_ = drivetrain_queue.status->estimated_left_position;
        right_goal_ = drivetrain_queue.status->estimated_right_position;
      }
    }
    if (data.IsPressed(kTurn1) || data.IsPressed(kTurn2)) {
      is_control_loop_driving = true;
    }
    if (!drivetrain_queue.goal.MakeWithBuilder()
             .steering(wheel)
             .throttle(throttle)
             .quickturn(data.IsPressed(kQuickTurn))
             .control_loop_driving(is_control_loop_driving)
             .left_goal(left_goal_ - wheel * 0.5 + throttle * 0.3)
             .right_goal(right_goal_ + wheel * 0.5 + throttle * 0.3)
             .left_velocity_goal(0)
             .right_velocity_goal(0)
             .Send()) {
      LOG(WARNING, "sending stick values failed\n");
    }
  }

  void HandleTeleop(const ::aos::input::driver_station::Data &data) {
    // Default the intake to in.
    intake_goal_ = constants::Values::kIntakeRange.lower;

    if (!data.GetControlBit(ControlBit::kEnabled)) {
      action_queue_.CancelAllActions();
      LOG(DEBUG, "Canceling\n");
    }

    superstructure_queue.status.FetchLatest();
    if (!superstructure_queue.status.get()) {
      LOG(ERROR, "Got no superstructure status packet.\n");
      return;
    }

    if (data.IsPressed(kIntakeDown)) {
      intake_goal_ = 0.23;
    }

    if (data.IsPressed(kVisionAlign)) {
      // Align shot using vision
      // TODO(campbell): Add vision aligning.
      shooter_velocity_ = 100.0;
    } else if (data.IsPressed(kCloseShot)) {
      // Close shot
      hood_goal_ = 0.5;
      shooter_velocity_ = 350.0;
    } else if (data.IsPressed(kMiddleShot)) {
      // Medium distance shot
      hood_goal_ = 0.4;
      shooter_velocity_ = 350.0;
    } else if (data.IsPressed(kFarShot)) {
      // Far shot
      hood_goal_ = 0.6;
      shooter_velocity_ = 250.0;
    } else {
      hood_goal_ = 0.15;
      shooter_velocity_ = 0.0;
    }

    if (data.IsPressed(kExtra1)) {
      turret_goal_ += -0.1;
    }
    if (data.IsPressed(kExtra2)) {
      turret_goal_ = 0.0;
    }
    if (data.IsPressed(kExtra3)) {
      turret_goal_ += 0.1;
    }

    fire_ = data.IsPressed(kFire) && shooter_velocity_ != 0.0;

    auto new_superstructure_goal = superstructure_queue.goal.MakeMessage();
    new_superstructure_goal->intake.distance = intake_goal_;
    new_superstructure_goal->turret.angle = turret_goal_;
    new_superstructure_goal->hood.angle = hood_goal_;
    new_superstructure_goal->shooter.angular_velocity = shooter_velocity_;

    new_superstructure_goal->intake.profile_params.max_velocity = 0.50;
    new_superstructure_goal->turret.profile_params.max_velocity = 6.0;
    new_superstructure_goal->hood.profile_params.max_velocity = 5.0;

    new_superstructure_goal->intake.profile_params.max_acceleration = 5.0;
    new_superstructure_goal->turret.profile_params.max_acceleration = 15.0;
    new_superstructure_goal->hood.profile_params.max_acceleration = 25.0;

    if (data.IsPressed(kHang)) {
      new_superstructure_goal->intake.voltage_rollers = -12.0;
    } else if (data.IsPressed(kIntakeIn)) {
      new_superstructure_goal->intake.voltage_rollers = 12.0;
    } else if (data.IsPressed(kIntakeOut)) {
      new_superstructure_goal->intake.voltage_rollers = -8.0;
    } else {
      new_superstructure_goal->intake.voltage_rollers = 0.0;
    }

    if (data.IsPressed(kReverseIndexer)) {
      new_superstructure_goal->indexer.voltage_rollers = -4.0;
      new_superstructure_goal->indexer.angular_velocity = -4.0;
      new_superstructure_goal->indexer.angular_velocity = -1.0;
    } else if (fire_) {
      new_superstructure_goal->indexer.voltage_rollers = 2.0;
      new_superstructure_goal->indexer.angular_velocity = 3.0 * M_PI;
      new_superstructure_goal->indexer.angular_velocity = 1.0;
    } else {
      new_superstructure_goal->indexer.voltage_rollers = 0.0;
      new_superstructure_goal->indexer.angular_velocity = 0.0;
    }

    LOG_STRUCT(DEBUG, "sending goal", *new_superstructure_goal);
    if (!new_superstructure_goal.Send()) {
      LOG(ERROR, "Sending superstructure goal failed.\n");
    }
  }

 private:
  void StartAuto() { LOG(INFO, "Starting auto mode\n"); }

  void StopAuto() {
    LOG(INFO, "Stopping auto mode\n");
    action_queue_.CancelAllActions();
  }

  // Current goals to send to the robot.
  double intake_goal_ = 0.0;
  double turret_goal_ = 0.0;
  double hood_goal_ = 0.3;
  double shooter_velocity_ = 0.0;

  // Goals to send to the drivetrain in closed loop mode.
  double left_goal_;
  double right_goal_;

  bool was_running_ = false;
  bool auto_running_ = false;

  bool vision_valid_ = false;

  bool fire_ = false;

  ::aos::common::actions::ActionQueue action_queue_;
};

}  // namespace joysticks
}  // namespace input
}  // namespace y2017

int main() {
  ::aos::Init(-1);
  ::y2017::input::joysticks::Reader reader;
  reader.Run();
  ::aos::Cleanup();
}