X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fsignalbase.hpp;h=16a94bd43b816ce47ac6c7ca067b0611ea19bb93;hp=322bdf48e8c3a026d2156aa6ab75e05b024e9935;hb=932bc2461d7b84b084d3a77ccfeb3bdb1a2d0d6c;hpb=27a3f09baf61c7f9b8c07630d34df75ddfdd476b

diff --git a/pv/data/signalbase.hpp b/pv/data/signalbase.hpp
index 322bdf48..16a94bd4 100644
--- a/pv/data/signalbase.hpp
+++ b/pv/data/signalbase.hpp
@@ -24,18 +24,24 @@
 #include <atomic>
 #include <condition_variable>
 #include <thread>
+#include <vector>
 
 #include <QColor>
 #include <QObject>
 #include <QSettings>
 #include <QString>
+#include <QTimer>
+#include <QVariant>
 
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
 using std::atomic;
 using std::condition_variable;
+using std::map;
 using std::mutex;
+using std::pair;
 using std::shared_ptr;
+using std::vector;
 
 namespace sigrok {
 class Channel;
@@ -55,22 +61,32 @@ class SignalBase : public QObject
 
 public:
 	enum ChannelType {
-		AnalogChannel = 1,
-		LogicChannel,
-		DecodeChannel,
-		A2LChannel,  // Analog converted to logic, joint representation
-		MathChannel
+		AnalogChannel = 1, ///< Analog data
+		LogicChannel,  ///< Logic data
+		DecodeChannel, ///< Protocol Decoder channel using libsigrokdecode
+		MathChannel    ///< Virtual channel generated by math operations
 	};
 
 	enum ConversionType {
 		NoConversion = 0,
-		A2LConversionByTreshold = 1,
+		A2LConversionByThreshold = 1,
 		A2LConversionBySchmittTrigger = 2
 	};
 
+	/**
+	 * Conversion presets range from -1 to n, where 1..n are dependent on
+	 * the conversion these presets apply to. -1 and 0 have fixed meanings,
+	 * however.
+	 */
+	enum ConversionPreset {
+		NoPreset = -1,     ///< Conversion uses custom values
+		DynamicPreset = 0  ///< Conversion uses calculated values
+	};
+
 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);
@@ -157,11 +173,82 @@ public:
 	 */
 	shared_ptr<pv::data::Logic> logic_data() const;
 
+	/**
+	 * Queries the kind of conversion performed on this channel.
+	 */
+	ConversionType get_conversion_type() const;
+
 	/**
 	 * Changes the kind of conversion performed on this channel.
+	 *
+	 * Restarts the conversion.
 	 */
 	void set_conversion_type(ConversionType t);
 
+	/**
+	 * Returns all currently known conversion options
+	 */
+	map<QString, QVariant> get_conversion_options() const;
+
+	/**
+	 * Sets the value of a particular conversion option
+	 * Note: it is not checked whether the option is valid for the
+	 * currently conversion. If it's not, it will be silently ignored.
+	 *
+	 * Does not restart the conversion.
+	 *
+	 * @return true if the value is different from before, false otherwise
+	 */
+	bool set_conversion_option(QString key, QVariant value);
+
+	/**
+	 * Returns the threshold(s) used for conversions, if applicable.
+	 * The resulting thresholds are given for the chosen conversion, so you
+	 * can query thresholds also for conversions which aren't currently active.
+	 *
+	 * If you want the thresholds for the currently active conversion,
+	 * call it either with NoConversion or no parameter.
+	 *
+	 * @param t the type of conversion to obtain the thresholds for, leave
+	 *          empty or use NoConversion if you want to query the currently
+	 *          used conversion
+	 *
+	 * @param always_custom ignore the currently selected preset and always
+	 *        return the custom values for this conversion, using 0 if those
+	 *        aren't set
+	 *
+	 * @return a list of threshold(s) used by the chosen conversion
+	 */
+	vector<double> get_conversion_thresholds(
+		const ConversionType t = NoConversion, const bool always_custom=false) const;
+
+	/**
+	 * Provides all conversion presets available for the currently active
+	 * conversion.
+	 *
+	 * @return a list of description/ID pairs for each preset
+	 */
+	vector<pair<QString, int> > get_conversion_presets() const;
+
+	/**
+	 * Determines the ID of the currently used conversion preset, which is only
+	 * valid for the currently available conversion presets. It is therefore
+	 * suggested to call @ref get_conversion_presets right before calling this.
+	 *
+	 * @return the ID of the currently used conversion preset. -1 if no preset
+	 *         is used. In that case, a user setting is used instead.
+	 */
+	ConversionPreset get_current_conversion_preset() const;
+
+	/**
+	 * Sets the conversion preset to be used.
+	 *
+	 * Does not restart the conversion.
+	 *
+	 * @param id the id of the preset to use
+	 */
+	void set_conversion_preset(ConversionPreset id);
+
 #ifdef ENABLE_DECODE
 	bool is_decode_signal() const;
 #endif
@@ -170,14 +257,17 @@ public:
 
 	virtual void restore_settings(QSettings &settings);
 
+	void start_conversion(bool delayed_start=false);
+
 private:
+	bool conversion_is_a2l() const;
+
 	uint8_t convert_a2l_threshold(float threshold, float value);
 	uint8_t convert_a2l_schmitt_trigger(float lo_thr, float hi_thr,
 		float value, uint8_t &state);
 
 	void conversion_thread_proc(QObject* segment);
 
-	void start_conversion();
 	void stop_conversion();
 
 Q_SIGNALS:
@@ -200,19 +290,27 @@ private Q_SLOTS:
 	void on_samples_added(QObject* segment, uint64_t start_sample,
 		uint64_t end_sample);
 
+	void on_min_max_changed(float min, float max);
+
 	void on_capture_state_changed(int state);
 
+	void on_delayed_conversion_start();
+
 protected:
 	shared_ptr<sigrok::Channel> channel_;
 	ChannelType channel_type_;
 	shared_ptr<pv::data::SignalData> data_;
 	shared_ptr<pv::data::SignalData> converted_data_;
-	int conversion_type_;
+	ConversionType conversion_type_;
+	map<QString, QVariant> conversion_options_;
+
+	float min_value_, max_value_;
 
 	std::thread conversion_thread_;
 	atomic<bool> conversion_interrupt_;
 	mutex conversion_input_mutex_;
 	condition_variable conversion_input_cond_;
+	QTimer delayed_conversion_starter_;
 
 	QString internal_name_, name_;
 	QColor colour_, bgcolour_;