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#导入其他模块中的变量
Import('RTT_ROOT')
Import('rtconfig')
#导入使用到的模块
from building import *
#获取当前目录的路径
cwd = GetCurrentDir()
#创建一个列表，用于保存需要使用到的C文件路径
src = Split("""
drv_common.c
""")
#drv_common.c
#根据宏定义来对需要用到的C文件进行裁剪
if GetDepend(['BSP_USING_GPIO']):
src += ['drv_gpio.c']
if GetDepend(['BSP_USING_UART']):
src += ['drv_usart.c']
if GetDepend(['BSP_USING_SPI']):
src += ['drv_spi.c']
if GetDepend(['BSP_USING_I2C_HW']):
src += ['drv_i2c.c']
if GetDepend(['BSP_USING_I2C_SW']):
src += ['drv_soft_i2c.c']
if GetDepend(['BSP_USING_ADC']):
src += ['drv_adc.c']
if GetDepend(['BSP_USING_WDT']):
src += ['drv_wdt.c']
if GetDepend(['BSP_USING_CAN']):
src += ['drv_can.c']
if GetDepend(['BSP_USING_SDIO']):
src += ['drv_sdio.c']
if GetDepend(['BSP_USING_USBD']):
src += ['drv_usbd.c']
#创建一个列表，用于保存需要包含的H文件路径
path = [cwd]
#创建一个组别
group = DefineGroup('Drivers', src ,depend = [''], CPPPATH = path)
#返回创建好的组别
Return('group')
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