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

cwd = GetCurrentDir()

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

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

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

# add i2c drivers.
if GetDepend(['RT_USING_I2C', 'RT_USING_I2C_BITOPS']):
    if GetDepend('BSP_USING_I2C0') or GetDepend('BSP_USING_I2C1') or GetDepend('BSP_USING_I2C2') or GetDepend('BSP_USING_I2C3'):
        src += ['drv_soft_i2c.c']

# add spi drivers.
if GetDepend('RT_USING_SPI'):
    src += ['drv_spi.c']

# add spi flash drivers.
if GetDepend('RT_USING_SFUD'):
    src += ['drv_spi_flash.c', 'drv_spi.c']   

path =  [cwd]

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

Return('group')