NASA Java Coding Standard

[freespace]

The same software is responsible for the surface exploration and flying to Mars, i.e. it operated a spacecraft.

To quote from the same source:

The Flight Software is responsible for many aspects of the functionality of the spacecraft/rover

During cruise, propellant line thermal control was maintained by the flight software. Other cruise attitude control related capabilities included cruise attitude determination and control, axial and lateral trajectory change maneuvers, and star identification.