* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PULSEVIEW_PV_DATA_SIGNALBASE_HPP
#define PULSEVIEW_PV_DATA_SIGNALBASE_HPP
+#include <atomic>
+#include <condition_variable>
+#include <thread>
+
#include <QColor>
#include <QObject>
#include <QSettings>
#include <libsigrokcxx/libsigrokcxx.hpp>
+using std::atomic;
+using std::condition_variable;
+using std::mutex;
+using std::shared_ptr;
namespace sigrok {
class Channel;
-class ChannelType;
}
namespace pv {
{
Q_OBJECT
+public:
+ enum ChannelType {
+ AnalogChannel = 1,
+ LogicChannel,
+ DecodeChannel,
+ A2LChannel, // Analog converted to logic, joint representation
+ MathChannel
+ };
+
+ enum ConversionType {
+ NoConversion = 0,
+ A2LConversionByTreshold = 1,
+ A2LConversionBySchmittTrigger = 2
+ };
+
private:
static const int ColourBGAlpha;
+ static const uint64_t ConversionBlockSize;
public:
- SignalBase(std::shared_ptr<sigrok::Channel> channel);
- virtual ~SignalBase() {}
+ SignalBase(shared_ptr<sigrok::Channel> channel, ChannelType channel_type);
+ virtual ~SignalBase();
public:
/**
* Returns the underlying SR channel.
*/
- std::shared_ptr<sigrok::Channel> channel() const;
+ shared_ptr<sigrok::Channel> channel() const;
/**
* Returns enabled status of this channel.
/**
* Gets the type of this channel.
*/
- const sigrok::ChannelType *type() const;
+ ChannelType type() const;
/**
- * Gets the index number of this channel.
+ * Gets the index number of this channel, i.e. a unique ID assigned by
+ * the device driver.
*/
unsigned int index() const;
+ /**
+ * Returns which bit of a given sample for this signal represents the
+ * signal itself. This is relevant for compound signals like logic,
+ * rather meaningless for everything else but provided in case there
+ * is a conversion active that provides a digital signal using bit #0.
+ */
+ unsigned int logic_bit_index() const;
+
/**
* Gets the name of this signal.
*/
/**
* Sets the internal data object.
*/
- void set_data(std::shared_ptr<pv::data::SignalData> data);
+ void set_data(shared_ptr<pv::data::SignalData> data);
/**
* Get the internal data as analog data object in case of analog type.
*/
- std::shared_ptr<pv::data::Analog> analog_data() const;
+ shared_ptr<pv::data::Analog> analog_data() const;
/**
* Get the internal data as logic data object in case of logic type.
*/
- std::shared_ptr<pv::data::Logic> logic_data() const;
+ shared_ptr<pv::data::Logic> logic_data() const;
+
+ /**
+ * Changes the kind of conversion performed on this channel.
+ */
+ void set_conversion_type(ConversionType t);
#ifdef ENABLE_DECODE
bool is_decode_signal() const;
+#endif
- std::shared_ptr<pv::data::DecoderStack> decoder_stack() const;
+ virtual void save_settings(QSettings &settings) const;
- void set_decoder_stack(std::shared_ptr<pv::data::DecoderStack>
- decoder_stack);
-#endif
+ virtual void restore_settings(QSettings &settings);
- void save_settings(QSettings &settings) const;
+private:
+ bool conversion_is_a2l() const;
- void restore_settings(QSettings &settings);
+ 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:
void enabled_changed(const bool &value);
void colour_changed(const QColor &colour);
-private:
- std::shared_ptr<sigrok::Channel> channel_;
- std::shared_ptr<pv::data::SignalData> data_;
+ void conversion_type_changed(const ConversionType t);
-#ifdef ENABLE_DECODE
- std::shared_ptr<pv::data::DecoderStack> decoder_stack_;
-#endif
+ void samples_cleared();
+
+ void samples_added(QObject* segment, uint64_t start_sample,
+ uint64_t end_sample);
+
+private Q_SLOTS:
+ void on_samples_cleared();
+
+ void on_samples_added(QObject* segment, uint64_t start_sample,
+ uint64_t end_sample);
+
+ void on_capture_state_changed(int state);
+
+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_;
+
+ std::thread conversion_thread_;
+ atomic<bool> conversion_interrupt_;
+ mutex conversion_input_mutex_;
+ condition_variable conversion_input_cond_;
QString internal_name_, name_;
QColor colour_, bgcolour_;