Import('RTT_ROOT')
Import('rtconfig')
from building import *

cwd     = os.path.join(str(Dir('#')), 'drivers')

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

CPPPATH = [cwd]

if GetDepend(['RT_USING_PIN']):
    src += ['drv_gpio.c']

if GetDepend(['RT_USING_SERIAL']):
    src += ['drv_usart.c']

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

Return('group')