Prius Gen 3 buck/boost converter control to buck/boost the main DC bus voltage to the input side of the buck/boost module to a voltage required to enable the DC DC converter without modification.
For atmega328 on https://github.com/damienmaguire/Prius-Gen3-Inverter/tree/master/V1c
Based on code from https://github.com/celeron55/prius3charger_buck
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