PositionController.h

#ifndef __POSITIONCONTROLLER_H__
#define __POSITIONCONTROLLER_H__
 
#include "PeriodicProcess.h"
#include "Odometry.h"
 
 
class AbstractMoveStrategy;
class PositionController : public PeriodicProcess
{
public:
    PositionController() : m_linVelKp(1), m_angVelKp(1), m_linVelMax(1000), m_angVelMax(2 * M_PI){}
    void setPosInput   (const Position& posInput)   {m_posInput    = posInput;}
    void setPosSetpoint(const Position& posSetpoint){m_posSetpoint = posSetpoint;}
    void setThetaSetpoint(float theta){m_posSetpoint.theta = theta;} 
    float getLinVelSetpoint() const {return m_linVelSetpoint;} 
    float getAngVelSetpoint() const {return m_angVelSetpoint;}
    void setVelTunings(float linVelKp, float angVelKp);
    void setVelLimits(float linVelMax, float angVelMax);
    void setPosThresholds(float linPosThreshold, float angPosThreshold);
    void setMoveStrategy(AbstractMoveStrategy& moveStrategy);
    bool getPositionReached();
    float getLinVelKp() const {return m_linVelKp;}
    float getAngVelKp() const {return m_angVelKp;}
    float getLinVelMax() const {return m_linVelMax;}
    float getAngVelMax() const {return m_angVelMax;}
    float getLinPosThreshold() const {return m_linPosThreshold;}
    float getAngPosThreshold() const {return m_angPosThreshold;}

    Position getPosSetpoint() const {return m_posSetpoint;}
 
private:
    virtual void process(float timestep);
    virtual void onProcessEnabling();
 
    // IO
    Position m_posInput;
    Position m_posSetpoint;
 
    float m_linVelSetpoint;
    float m_angVelSetpoint;
 
    // Engineering control tunings
    float m_linVelKp; 
    float m_angVelKp; 
    float m_linVelMax;
    float m_angVelMax;
    float m_linPosThreshold;
    float m_angPosThreshold;
 
    // Strategy Design Pattern
    AbstractMoveStrategy* m_moveStrategy;
 
    friend class AbstractMoveStrategy;
};

class AbstractMoveStrategy
{
protected:
    virtual void computeVelSetpoints(float timestep) = 0;
    virtual bool getPositionReached() = 0;
    const Position& getPosInput()    const {return m_context->m_posInput;}
    const Position& getPosSetpoint() const {return m_context->m_posSetpoint;}
    void setVelSetpoints(float linVelSetpoint, float angVelSetpoint){m_context->m_linVelSetpoint = linVelSetpoint; m_context->m_angVelSetpoint = angVelSetpoint;}
    float getLinVelKp() const {return m_context->m_linVelKp;}
    float getAngVelKp() const {return m_context->m_angVelKp;}
    float getLinVelMax() const {return m_context->m_linVelMax;}
    float getAngVelMax() const {return m_context->m_angVelMax;}
    float getLinPosThreshold() const {
 
        return m_context->m_linPosThreshold;}

    float getAngPosThreshold() const {return m_context->m_angPosThreshold;}
 
protected:
 
    PositionController* m_context;
 
    friend class PositionController;
};
 
#endif // __POSITIONCONTROLLER_H__