app_event_manager: Add access to event id

This commit adds macro to access event id structure.

JIRA: NCSDK-20640

Signed-off-by: Radoslaw Koppel <radoslaw.koppel@nordicsemi.no>

Author: rakons

doc/nrf/releases/release-notes-changelog.rst

@@ -536,6 +536,10 @@ Other libraries
 
   * The library now supports using the GPIO expander for the buttons, switches, and LEDs on the nRF9160 DK.
 
+* :ref:`app_event_manager` library:
+
+  * Added :c:macro:`APP_EVENT_ID` macro.
+
 Common Application Framework (CAF)
 ----------------------------------
 

include/app_event_manager.h

@@ -73,6 +73,16 @@ static inline bool app_event_get_type_flag(const struct event_type *et,
 	return (et->flags & BIT(flag)) != 0;
 }
 
+/**
+ * @brief Get the event ID
+ *
+ * Macro that creates event id pointer from the event name.
+ *
+ * @param ename The name of the event
+ * @return Event id pointer to struct event_type type
+ */
+#define APP_EVENT_ID(ename) _EVENT_ID(ename)
+
 /** @brief Create an event listener object.
  *
  * @param lname   Module name.