src/channels/integratechannel.hpp

   1 /*
   2  * This file is part of the SmuView project.
   3  *
   4  * Copyright (C) 2018-2021 Frank Stettner <frank-stettner@gmx.net>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef CHANNELS_INTEGRATECHANNEL_HPP
  21 #define CHANNELS_INTEGRATECHANNEL_HPP
  22
  23 #include <memory>
  24 #include <set>
  25 #include <string>
  26
  27 #include <QObject>
  28
  29 #include "src/channels/basechannel.hpp"
  30 #include "src/channels/mathchannel.hpp"
  31 #include "src/data/datautil.hpp"
  32
  33 using std::set;
  34 using std::shared_ptr;
  35 using std::string;
  36
  37 namespace sv {
  38
  39 namespace data {
  40 class AnalogTimeSignal;
  41 }
  42
  43 namespace devices {
  44 class BaseDevice;
  45 }
  46
  47 namespace channels {
  48
  49 class IntegrateChannel : public MathChannel
  50 {
  51         Q_OBJECT
  52
  53 public:
  54         IntegrateChannel(
  55                 data::Quantity quantity,
  56                 const set<data::QuantityFlag> &quantity_flags,
  57                 data::Unit unit,
  58                 shared_ptr<data::AnalogTimeSignal> int_signal,
  59                 shared_ptr<devices::BaseDevice> parent_device,
  60                 const set<string> &channel_group_names,
  61                 const string &channel_name,
  62                 double channel_start_timestamp);
  63
  64 private:
  65         shared_ptr<data::AnalogTimeSignal> int_signal_;
  66         size_t next_int_signal_pos_;
  67         double last_timestamp_;
  68         double last_value_;
  69
  70 private Q_SLOTS:
  71         void on_channel_start_timestamp_changed(double timestamp);
  72         void on_sample_appended();
  73
  74 };
  75
  76 } // namespace channels
  77 } // namespace sv
  78
  79 #endif // CHANNELS_INTEGRATECHANNEL_HPP