updating code from Flying Laptop

This is the framework of Flying Laptop OBSW version A.13.0.

ipc/MutexIF.h

@@ -0,0 +1,16 @@
+#ifndef FRAMEWORK_IPC_MUTEXIF_H_
+#define FRAMEWORK_IPC_MUTEXIF_H_
+
+#include <framework/returnvalues/HasReturnvaluesIF.h>
+
+class MutexIF {
+public:
+	static const uint32_t NO_TIMEOUT; //!< Needs to be defined in implementation.
+	virtual ~MutexIF() {}
+	virtual ReturnValue_t lockMutex(uint32_t timeoutMs) = 0;
+	virtual ReturnValue_t unlockMutex() = 0;
+};
+
+
+
+#endif /* FRAMEWORK_IPC_MUTEXIF_H_ */