implement STM not tested

src/simplified/xf/port/idf-stm32/eventqueue.cpp

@@ -5,7 +5,37 @@
 #include <cassert>
 #include "eventqueue.h"
 
-// TODO: Implement code for XFEventQueue class
+// TODO done: Implement code for XFEventQueue class
+
+XFEventQueue::XFEventQueue(){
+
+}
+
+XFEventQueue::~XFEventQueue(){
+
+}
+
+bool XFEventQueue::empty() const {
+	return queue_.empty();
+}
+
+bool XFEventQueue::push(const XFEvent *pEvent, bool fromISR) {
+	if(!fromISR) mutex_.lock();
+	queue_.push(pEvent);
+	if(!fromISR) mutex_.unlock();
+	return true;
+}
+
+const XFEvent* XFEventQueue::front() {
+	return queue_.front();
+}
+
+void XFEventQueue::pop() {
+	mutex_.lock();
+	queue_.pop();
+	mutex_.unlock();
+}
+
 
 bool XFEventQueue::pend()
 {