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

cwd = GetCurrentDir()

# add the general drivers.
src = []

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

if GetDepend(['RT_USING_SERIAL']):
    if GetDepend(['RT_USING_SERIAL_V2']):
        src += ['drv_uart_v2.c']
    else:
        src += ['drv_uart.c']

path =  [cwd]

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

Return('group')