y2016/control_loops/shooter/shooter.q

package y2016.control_loops.shooter;

import "aos/common/controls/control_loops.q";
import "frc971/control_loops/control_loops.q";

struct ShooterSideStatus {
  // True if the shooter side is up to speed and stable.
  bool ready;
  // The current average velocity in radians/second.
  double avg_angular_velocity;
  // The current instantaneous filtered velocity in radians/second.
  double angular_velocity;
};

queue_group ShooterQueue {
  implements aos.control_loops.ControlLoop;

  // All angles are in radians, and angular velocities are in radians/second.
  // For all angular velocities, positive is shooting the ball out of the robot.

  message Goal {
    // Angular velocity goals in radians/second.
    double angular_velocity;
  };

  message Position {
    // Wheel angle in radians/second.
    double theta_left;
    double theta_right;
  };

  message Status {
    // Left side status.
    ShooterSideStatus left;
    // Right side status.
    ShooterSideStatus right;

    // True if the shooter is ready.  It is better to compare the velocities
    // directly so there isn't confusion on if the goal is up to date.
    bool ready;
  };

  message Output {
    // Voltage in volts of the left and right shooter motors.
    double voltage_left;
    double voltage_right;
  };

  queue Goal goal;
  queue Position position;
  queue Output output;
  queue Status status;
};

queue_group ShooterQueue shooter_queue;