macros PIN_TO_DIGITAL(p) and PIN_TO_PWM(p) are unnecessary #239
Description
They always simply return p. Refactor them out but leave them at the end of Boards.h in case any existing Firmata implementations rely on these macros.
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They always simply return p. Refactor them out but leave them at the end of Boards.h in case any existing Firmata implementations rely on these macros.