Abstract
Motor-sport teams expect a fast turnaround when they tune the software that goes into the electronic controllers that manage the highly tuned engines used in their cars. Subtle changes to the way the embedded computer controls the engine can make the difference between winning and being stuck in the pits. And it means that the developers at one specialist company can have just two hours to make critical changes to their code. Life Racing is a tiny company tucked away in an industrial estate on the outskirts of the Essex town Basildon. It was formed as an offshoot of the specialist engine builder Advanced Engine Research (AER). Systems designer Mark Colby and a colleague moved over from another company when AER looked at a sideways expansion into electronic control units (ECUs) for motor racing. An important factor in software design for ECUs is to restrict sharing of code between different parts of the system. If a control strategy needs to be altered it is important that a change in one place does not cause problem anywhere.
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