from building import *

cwd = GetCurrentDir()

# add the general drivers.
src = Split('''
board.c
''')

# add gpio drivers.
if GetDepend('RT_USING_PIN'):
    src += ['drv_gpio.c']
if GetDepend(['RT_USING_SERIAL']):
    src += ['drv_usart.c']

CPPPATH = [cwd]
group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)

Return('group')