Import('RTT_ROOT') Import('rtconfig') from building import * cwd = os.path.join(str(Dir('#')), 'drivers') # add the general drivers. src = Split(""" board.c stm32f4xx_it.c usart.c drv_sdram.c """) # add Ethernet drivers. if GetDepend('RT_USING_LWIP'): src += ['stm32f4xx_eth.c'] # add gpio drivers. if GetDepend('RT_USING_PIN'): src += ['gpio.c'] CPPPATH = [cwd] group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH) Return('group')