Added queue wrapper

include/wrappers/event_group.h

@@ -0,0 +1,36 @@
+#pragma once
+
+// espressif includes
+#include <freertos/FreeRTOS.h>
+#include <freertos/event_groups.h>
+
+// local includes
+#include "cppmacros.h"
+
+namespace espcpputils {
+class event_group
+{
+    CPP_DISABLE_COPY_MOVE(event_group)
+
+public:
+    event_group() :
+        handle{xEventGroupCreate()}
+    {}
+
+    ~event_group() { if (handle) vEventGroupDelete(handle); }
+
+    EventBits_t waitBits(const EventBits_t uxBitsToWaitFor, const BaseType_t xClearOnExit, const BaseType_t xWaitForAllBits, TickType_t xTicksToWait)
+    { return xEventGroupWaitBits(handle, uxBitsToWaitFor, xClearOnExit, xWaitForAllBits, xTicksToWait); }
+
+    EventBits_t clearBits(const EventBits_t uxBitsToClear) { return xEventGroupClearBits(handle, uxBitsToClear); }
+
+    EventBits_t setBits(const EventBits_t uxBitsToSet) { return xEventGroupSetBits(handle, uxBitsToSet); }
+
+    EventBits_t groupSync(const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait)
+    { return xEventGroupSync(handle, uxBitsToSet, uxBitsToWaitFor, xTicksToWait); }
+
+    EventBits_t getBits() const { return xEventGroupClearBits(handle, 0); }
+
+    const EventGroupHandle_t handle;
+};
+} // namespace espcpputils