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Integrate 3rd-party Flash reprogramming drivers into the HVAC controller per end-customer ("Big-3" auto manufacturer) requirements.

An eight-bit CMOS micro controller forms the heart of this embedded system. The project's software was developed using the "C" language. The 3rd-party drivers proved to be incomplete, poorly documented, and laced with bugs, thus requiring a major reverse-engineering effort in order to integrate them into the existing code base. In addition, the existing code base required significant partitioning and restructuring of the memory map in order to work with the drivers.

The drivers were successfully debugged and integrated into the system, and performed as required, allowing the HVAC flash memory to be reprogrammed via the CAN bus.

Motorola 68HC08 Micro Controller
COSMIC ‘HC08 Tool chain
Motorola MMDS Emulator
Vector CANalyzer and CANoe
Vector CAN drivers for the ST9 and ‘HC08
Motorola Flash Reprogramming Drivers for the ‘HC08