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

cwd = GetCurrentDir()

src = ['CM3/DeviceSupport/NXP/LPC17xx/system_LPC17xx.c']

# add for startup script 
if rtconfig.CROSS_TOOL == 'gcc':
    src += ['CM3/DeviceSupport/NXP/LPC17xx/startup/gcc/startup_LPC17xx.s']
elif rtconfig.CROSS_TOOL == 'keil':
    src += ['CM3/DeviceSupport/NXP/LPC17xx/startup/arm/startup_LPC17xx.s']
elif rtconfig.CROSS_TOOL == 'iar':
    src += ['CM3/DeviceSupport/NXP/LPC17xx/startup/iar/startup_LPC17xx.s']

CPPPATH = [cwd + '/CM3/DeviceSupport/NXP/LPC17xx/']

if GetDepend(['RT_USING_BSP_CMSIS']):
    CPPPATH += [cwd + '/CM3/CoreSupport']
    src += ['CM3/CoreSupport/core_cm3.c']
elif GetDepend(['RT_USING_RTT_CMSIS']):
    CPPPATH += [RTT_ROOT + '/components/CMSIS/Include']

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

Return('group')