vrpn_Spaceball.h

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#ifndef VRPN_SPACEBALL_H
#define VRPN_SPACEBALL_H
 
#include "vrpn_Analog.h"                // for vrpn_Serial_Analog
#include "vrpn_Button.h"                // for vrpn_Button_Filter
#include "vrpn_Configure.h"             // for VRPN_API
#include "vrpn_Connection.h"            // for vrpn_CONNECTION_LOW_LATENCY, etc
#include "vrpn_Shared.h"                // for timeval
#include "vrpn_Types.h"                 // for vrpn_uint32
 
class VRPN_API vrpn_Spaceball: public vrpn_Serial_Analog
            ,public vrpn_Button_Filter
{
  public:
    vrpn_Spaceball (const char * name, vrpn_Connection * c,
            const char * port, int baud);
 
    ~vrpn_Spaceball () {};

    virtual void mainloop ();
 
    virtual int reset(void);  
 
  protected:
    int _numbuttons;          
    int _numchannels;         
    unsigned char buf[512];   
    int bufpos;               
        int packtype;             
        int packlen;              
        int escapedchar;          
        int erroroccured;         
        int resetoccured;         
        int spaceball4000;        
        int leftymode4000;        
    int null_radius;          
    struct timeval timestamp; 
 
    virtual void clear_values(void); 

    virtual int get_report(void);

        virtual void report_changes
                   (vrpn_uint32 class_of_service
                    = vrpn_CONNECTION_LOW_LATENCY);

        virtual void report
                   (vrpn_uint32 class_of_service
                    = vrpn_CONNECTION_LOW_LATENCY);
 
        // NOTE:  class_of_service is only applied to vrpn_Analog
        //  values, not vrpn_Button, which are always vrpn_RELIABLE
};
 
#endif