+enum sr_trigger_matches {
+ SR_TRIGGER_ZERO = 1,
+ SR_TRIGGER_ONE,
+ SR_TRIGGER_RISING,
+ SR_TRIGGER_FALLING,
+ SR_TRIGGER_EDGE,
+ SR_TRIGGER_OVER,
+ SR_TRIGGER_UNDER,
+};
+
+/** The representation of a trigger, consisting of one or more stages
+ * containing one or more matches on a channel.
+ */
+struct sr_trigger {
+ /** A name for this trigger. This may be NULL if none is needed. */
+ char *name;
+ /** List of pointers to struct sr_trigger_stage. */
+ GSList *stages;
+};
+
+/** A trigger stage. */
+struct sr_trigger_stage {
+ /** Starts at 0. */
+ int stage;
+ /** List of pointers to struct sr_trigger_match. */
+ GSList *matches;
+};
+
+/** A channel to match and what to match it on. */
+struct sr_trigger_match {
+ /** The channel to trigger on. */
+ struct sr_channel *channel;
+ /** The trigger match to use.
+ * For logic channels, only the following matches may be used:
+ * SR_TRIGGER_ZERO
+ * SR_TRIGGER_ONE
+ * SR_TRIGGER_RISING
+ * SR_TRIGGER_FALLING
+ * SR_TRIGGER_EDGE
+ *
+ * For analog channels, only these matches may be used:
+ * SR_TRIGGER_RISING
+ * SR_TRIGGER_FALLING
+ * SR_TRIGGER_OVER
+ * SR_TRIGGER_UNDER
+ *
+ */
+ int match;
+ /** If the trigger match is one of SR_TRIGGER_OVER or SR_TRIGGER_UNDER,
+ * this contains the value to compare against. */
+ float value;
+};
+