oscilloscope.h

/* ########################################################################
 
   PICSimLab - Programmable IC Simulator Laboratory
 
   ########################################################################
 
   Copyright (c) : 2010-2026 Luis Claudio Gambôa Lopes <lcgamboa@yahoo.com>
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
   For e-mail suggestions :  lcgamboa@yahoo.com
   ######################################################################## */
 
#ifndef OSCILLOSCOPE
#define OSCILLOSCOPE
 
#include <vector>
#include "board.h"
#include "types.h"
 
#define WMAX 350
#define HMAX 250
 
#define NPOINTS (2 * WMAX)
 
#define MAX_MEASURES 10
 
typedef struct {
    double Vrms;
    double Vavr;
    double Vmax;
    double Vmin;
    double Freq;
    double FCycle_ms;
    double PCycle_ms;
    double Duty;
} ch_status_t;
 
class COscilloscope {
public:
    COscilloscope();
 
    void Init(void);

    void SetSample(void);
 
    void SetBoard(board* b) { pboard = b; };
 
    void NextMeasure(int mn);
 
    int GetMeasures(int mn);
 
    void SetMeasure(int nm, int value);
 
    int GetUseTrigger(void) { return usetrigger; };
    void SetUseTrigger(int utg) { usetrigger = utg; };
 
    int GetTriggerChannel(void) { return tch; };
    void SetTriggerChannel(int tc) { tch = tc; };
 
    double* GetChannel(int cn) { return ch[cn]; };
 
    void CalculateStats(int channel);
    void ClearStats(int channel);
 
    ch_status_t GetChannelStatus(int cn) { return ch_status_[cn]; };
 
    int GetUpdate(void);
 
    void SetUpdate(int up) { update = up; };
 
    void SetChannelPin(int ch_, int pin) { chpin[ch_] = pin; };
 
    int GetSampleOffset(void) { return soffset; };
 
    void SetTimeScaleAndOffset(float tscale_, float toffset_);
 
    int GetRun(void) { return run; };
    void SetRun(int r) { run = r; };
 
    void SetSingle(int s) { single = s; };
 
    void SetTriggerLevel(double tl) { triggerlv = tl; };
 
    void SetVMax(float vm) { vmax = vm; };
 
    double GetRT(void) { return Rt; };
    double GetDT(void) { return Dt; };
    double Getxz(void) { return xz; };
 
    void Reset(void);
 
    void UpdatePinList(void);
 
    void SetBaseTimer(void);
 
    void WritePreferences(void);
    void ReadPreferences(char* name, char* value);
 
    std::vector<std::string> WritePreferencesList(void);
    void ReadPreferencesList(std::vector<std::string>& pl);
 
    static int WindowCmd(const int id, const char* ControlName, const PICSimLabWindowAction action, const char* Value,
                         void* ReturnBuff = NULL);
 
    int (*OnWindowCmd)(const int id, const char* ControlName, const PICSimLabWindowAction action, const char* Value,
                       void* ReturnBuff);
 
private:
    board* pboard;
    double Dt;  // Delta T
    double Rt;  // Relative delta T
    int usetrigger;
    double triggerlv;
    int tch;  // trigger channel
    int soffset;
    int chpin[2];
    double databuffer[2][2][NPOINTS];  // flip buffers + 2 channels + 700 points
    int fp;                            // actual flip buffer
    double* ch[2];                     // actual channel data (pointer to databuffer)
    ch_status_t ch_status[2];          // channel measurament status
    ch_status_t ch_status_[2];         // channel measurament status mirror
    double pins_[2];                   // last value of input pins
    int is;                            // input samples
    double t;                          // time
    int tr;                            // trigger
    int run;
    int update;
    int measures[5];
    float vmax;
    double xz;
    float tscale;
    float toffset;
    int single;
    int update_stop;
};
 
extern COscilloscope Oscilloscope;
 
#endif  // OSCILLOSCOPE