map<string, shared_ptr<Driver> > drivers();
/** Available input formats, indexed by name. */
map<string, shared_ptr<InputFormat> > input_formats();
+ /** Lookup the responsible input module for an input file. */
+ shared_ptr<InputFormat> input_format_match(string filename);
/** Available output formats, indexed by name. */
map<string, shared_ptr<OutputFormat> > output_formats();
/** Current log level. */
/** Create an analog packet. */
shared_ptr<Packet> create_analog_packet(
vector<shared_ptr<Channel> > channels,
- float *data_pointer, unsigned int num_samples, const Quantity *mq,
+ const float *data_pointer, unsigned int num_samples, const Quantity *mq,
const Unit *unit, vector<const QuantityFlag *> mqflags);
/** Load a saved session.
* @param filename File name string. */
const struct sr_datafeed_logic *_structure;
friend class Packet;
+ friend class Analog;
+ friend struct std::default_delete<Logic>;
};
/** Payload of a datafeed packet with analog data */
const Unit *unit() const;
/** Measurement flags associated with the samples in this packet. */
vector<const QuantityFlag *> mq_flags() const;
+ /**
+ * Provides a Logic packet that contains a conversion of the analog
+ * data using a simple threshold.
+ *
+ * @param threshold Threshold to use.
+ * @param data_ptr Pointer to num_samples() bytes where the logic
+ * samples are stored. When nullptr, memory for
+ * logic->data_pointer() will be allocated and must
+ * be freed by the caller.
+ */
+ shared_ptr<Logic> get_logic_via_threshold(float threshold,
+ uint8_t *data_ptr=nullptr) const;
+ /**
+ * Provides a Logic packet that contains a conversion of the analog
+ * data using a Schmitt-Trigger.
+ *
+ * @param lo_thr Low threshold to use (anything below this is low).
+ * @param hi_thr High threshold to use (anything above this is high).
+ * @param state Points to a byte that contains the current state of the
+ * converter. For best results, set to value of logic
+ * sample n-1.
+ * @param data_ptr Pointer to num_samples() bytes where the logic
+ * samples are stored. When nullptr, memory for
+ * logic->data_pointer() will be allocated and must be
+ * freed by the caller.
+ */
+ shared_ptr<Logic> get_logic_via_schmitt_trigger(float lo_thr,
+ float hi_thr, uint8_t *state, uint8_t *data_ptr=nullptr) const;
private:
explicit Analog(const struct sr_datafeed_analog *structure);
~Analog();