Add Event tracking to threads

include/events.h

@@ -0,0 +1,35 @@
+// This file is going to need to expose the get functions for the web thread
+// We can also probably store some structs in here
+
+#ifndef __EVENTS_H__
+#define __EVENTS_H__
+
+#include <point.h>
+#include <stdbool.h>
+
+// Forward declaration for event filter callback
+typedef bool (*event_filter_callback_t)(const point *p);
+
+// Event configuration structure - defined here, table populated by applications
+typedef struct {
+	const char *type;
+	const char *key;
+	bool store_in_nvs;
+	float warning_threshold;  // For numeric types (0 = not used)
+	float critical_threshold; // For numeric types (0 = not used)
+	bool always_generate;     // Bypass filtering (for points that only get generated when an event has occurred)
+} event_config_t;
+
+// Application-specific event configuration table
+// Should be placed at the top of main.c in application
+extern const event_config_t event_configs[];
+extern const size_t event_configs_count;
+
+int get_all_events(uint8_t *recv_buffer, size_t buffer_size);
+
+void events_start_thread(void);
+
+// Set application-specific event filtering callback
+void events_set_filter_callback(event_filter_callback_t callback);
+
+#endif // __EVENTS_H__

lib/CMakeLists.txt

@@ -7,5 +7,6 @@ if(CONFIG_LIB_SIOT)
     zbus.c
     nvs.c
     siot-string.c
+    events.c
   )
 endif()

lib/Kconfig

@@ -26,4 +26,22 @@ config SIOT_LOG_LEVEL
 		4: Debug
 		5: Verbose
 
-endif #LIB_SIOT
+config NVS_EVENT_QUEUE_SIZE
+	int "NVS Event Queue Size"
+	default 10
+	help
+		Defines the size of persisted events in the event history thread
+
+config RAM_EVENT_QUEUE_SIZE
+	int "RAM Event Queue Size"
+	default 20
+	help
+		Defines the size of volatile events in the event history thread
+
+config EVENTS_ENABLED
+	bool "Enable events thread"
+	default y
+	help
+		Enable the events history thread in the mylib module.
+
+endif # LIB_SIOT