Use min/max notification for autoranging of analog signals

[pulseview.git] / pv / data / signalbase.hpp

diff --git a/pv/data/signalbase.hpp b/pv/data/signalbase.hpp
index fd7c38f5ea627d768830170db4768d46ad81fd69..865f2551662fed2ab137781752c9064191cb698d 100644 (file)
--- a/pv/data/signalbase.hpp
+++ b/pv/data/signalbase.hpp
@@ -30,6 +30,7 @@
 #include <QObject>
 #include <QSettings>
 #include <QString>
+#include <QTimer>
 #include <QVariant>
 
 #include <libsigrokcxx/libsigrokcxx.hpp>
@@ -85,6 +86,7 @@ public:
 private:
        static const int ColourBGAlpha;
        static const uint64_t ConversionBlockSize;
+       static const uint32_t ConversionDelay;
 
 public:
        SignalBase(shared_ptr<sigrok::Channel> channel, ChannelType channel_type);
@@ -255,7 +257,7 @@ public:
 
        virtual void restore_settings(QSettings &settings);
 
-       void start_conversion();
+       void start_conversion(bool delayed_start=false);
 
 private:
        bool conversion_is_a2l() const;
@@ -282,6 +284,8 @@ Q_SIGNALS:
        void samples_added(QObject* segment, uint64_t start_sample,
                uint64_t end_sample);
 
+       void min_max_changed(float min, float max);
+
 private Q_SLOTS:
        void on_samples_cleared();
 
@@ -292,6 +296,8 @@ private Q_SLOTS:
 
        void on_capture_state_changed(int state);
 
+       void on_delayed_conversion_start();
+
 protected:
        shared_ptr<sigrok::Channel> channel_;
        ChannelType channel_type_;
@@ -306,6 +312,7 @@ protected:
        atomic<bool> conversion_interrupt_;
        mutex conversion_input_mutex_;
        condition_variable conversion_input_cond_;
+       QTimer delayed_conversion_starter_;
 
        QString internal_name_, name_;
        QColor colour_, bgcolour_;