vrpn_CerealBox.h

#ifndef VRPN_CEREALBOX_H
#define VRPN_CEREALBOX_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_Dial.h" // for vrpn_Dial
#include "vrpn_Shared.h" // for timeval
#include "vrpn_Types.h" // for vrpn_uint32
 
class VRPN_API vrpn_CerealBox: public vrpn_Serial_Analog
            ,public vrpn_Button_Filter
            ,public vrpn_Dial
{
public:
 vrpn_CerealBox (const char * name, vrpn_Connection * c,
 const char * port, int baud,
 const int numbuttons, const int numchannels, const int numencoders);
 
 ~vrpn_CerealBox () {};
 
 // Called once through each main loop iteration to handle
 // updates.
 virtual void mainloop ();
 
 protected:
 int _status;
 int _numbuttons;    // How many buttons to open
 int _numchannels;   // How many analog channels to open
 int _numencoders;   // How many encoders to open
 
 unsigned _expected_chars;   // How many characters to expect in the report
 unsigned char _buffer[512]; // Buffer of characters in report
 unsigned _bufcount;     // How many characters we have so far
 
 struct timeval timestamp;   // Time of the last report from the device
 
 virtual void clear_values(void);    // Set all buttons, analogs and encoders back to 0
 virtual int reset(void);        // Set device back to starting config
 virtual int get_report(void);       // Try to read a report from the device
 
 // send report iff changed
 virtual void report_changes
                   (vrpn_uint32 class_of_service
                    = vrpn_CONNECTION_LOW_LATENCY);
 // send report whether or not changed
 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 or vrpn_Dial
};
 
#endif