From 7ea8bb839e5a72e48b80ba9d646bbf6db3e50bd5 Mon Sep 17 00:00:00 2001
From: "@CarlWachter" <carlwachter@web.de>
Date: Tue, 12 Sep 2023 13:38:42 +0200
Subject: [PATCH] Added Events wrapper

---
 include/sta/rtos/event.hpp | 35 +++++++++++++++++++++++++++++++++++
 src/event.cpp              | 29 +++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 include/sta/rtos/event.hpp
 create mode 100644 src/event.cpp

diff --git a/include/sta/rtos/event.hpp b/include/sta/rtos/event.hpp
new file mode 100644
index 0000000..95d1c89
--- /dev/null
+++ b/include/sta/rtos/event.hpp
@@ -0,0 +1,35 @@
+/**
+ * @file
+ * @brief RTOS event implementation.
+ */
+
+#ifndef STA_RTOS_EVENT_HPP
+#define STA_RTOS_EVENT_HPP
+
+#include <cmsis_os2.h>
+#include <sta/event.hpp>
+
+namespace sta
+{
+	/**
+	 * @brief Implementation of Event using CMSIS RTOS2.
+	 *
+	 * @ingroup STA_RTOS_API
+	 */
+	class RtosEvent : public Event
+	{
+	public:
+		RtosEvent();
+        ~RtosEvent();
+
+		void set(uint32_t flags) override;
+		void clear(uint32_t flags) override;
+		uint32_t get() override;
+		uint32_t wait(uint32_t flags, uint32_t timeout = osWaitForever) override;
+
+	private:
+		osEventFlagsId_t event_id;   /**< CMSIS RTOS2 Event Flag */
+	};
+} // namespace sta
+
+#endif // STA_RTOS_EVENT_HPP
\ No newline at end of file
diff --git a/src/event.cpp b/src/event.cpp
new file mode 100644
index 0000000..c6795cd
--- /dev/null
+++ b/src/event.cpp
@@ -0,0 +1,29 @@
+#include <sta/rtos/event.hpp>
+
+namespace sta {
+    RtosEvent::RtosEvent() {
+        osEventFlagsAttr_t attr = { 0 };
+        event_id = osEventFlagsNew(&attr);
+    }
+
+    RtosEvent::~RtosEvent() {
+        osEventFlagsDelete(event_id);
+    }
+
+    void RtosEvent::set(uint32_t flags) {
+        osEventFlagsSet(event_id, flags);
+    }
+
+    void RtosEvent::clear(uint32_t flags) {
+        osEventFlagsClear(event_id, flags);
+    }
+
+    uint32_t RtosEvent::get() {
+        return osEventFlagsGet(event_id);
+    }
+
+    uint32_t RtosEvent::wait(uint32_t flags, uint32_t timeout) {
+        return osEventFlagsWait(event_id, flags, osFlagsWaitAny, timeout);
+    }
+
+} // namespace sta
\ No newline at end of file