timemanager update

timemanager/clockDefinitions.h

@@ -0,0 +1,13 @@
+#ifndef FSFW_TIMEMANAGER_CLOCKDEFINITIONS_H_
+#define FSFW_TIMEMANAGER_CLOCKDEFINITIONS_H_
+
+#include <cstdint>
+
+// I'd also like to include the TimeOfDay_t struct here, but that would
+// break code which uses Clock::TimeOfDay_t. Solution would be to use
+// a Clock namespace instead of class with static functions.
+
+//! Don't use these for time points, type is not large enough for UNIX epoch.
+using dur_millis_t = uint32_t;
+
+#endif /* FSFW_TIMEMANAGER_CLOCKDEFINITIONS_H_ */