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								# Processor frequency.
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								#     This will define a symbol, F_CPU, in all source code files equal to the
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								#     processor frequency in Hz. You can then use this symbol in your source code to
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								#     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
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								#     automatically to create a 32-bit value in your source code.
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								#
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								#     This will be an integer division of F_USB below, as it is sourced by
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								#     F_USB after it has run through any CPU prescalers. Note that this value
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								#     does not *change* the processor frequency - it should merely be updated to
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								#     reflect the processor speed set externally so that the code can use accurate
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								#     software delays.
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								F_CPU = 16000000
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								BLUETOOTH_ENABLE = no
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