# Import environment set for target.
Import('env_target')

# Define target name.
TARGET = 'usart'

# Define source files.
if env_target['MCU'] == 'atmega328p':
    sources = [
        'usart0_m328.c'
    ]
elif env_target['MCU'] == 'atmega2560':
    sources = [
        'usart0_m2560.c'
    ]

# Build library.
env_target.BuildLibrary(sources, TARGET)