# Programming options
PROGRAM_CMD ?= ./util/atmega32a_program.py $(TARGET).hex
endif
+
+ifneq (,$(filter $(MCU),atmega328p))
+ PROTOCOL = VUSB
+
+ # Processor frequency.
+ # This will define a symbol, F_CPU, in all source code files equal to the
+ # processor frequency in Hz. You can then use this symbol in your source code to
+ # calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+ # automatically to create a 32-bit value in your source code.
+ F_CPU ?= 16000000
+
+ # unsupported features for now
+ NO_UART ?= yes
+ NO_SUSPEND_POWER_DOWN ?= yes
+endif