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import os
import sys
import rtconfig
from SCons.Script import *
if os.getenv('RTT_ROOT'):
RTT_ROOT = os.getenv('RTT_ROOT')
else:
RTT_ROOT = os.path.normpath(os.getcwd() + '/../../../..')
sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
try:
from building import *
except:
print('Cannot find RT-Thread root directory, please check RTT_ROOT')
print(RTT_ROOT)
exit(-1)
TARGET = 'rtthread.' + rtconfig.TARGET_EXT
DefaultEnvironment(tools=[])
env = Environment(tools = ['mingw'],
AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
AR = rtconfig.AR, ARFLAGS = '-rc',
CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
if rtconfig.PLATFORM in ['iccarm']:
env.Replace(CCCOM = ['$CC $CFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
env.Replace(ARFLAGS = [''])
env.Replace(LINKCOM = env["LINKCOM"] + ' --map project.map')
Export('RTT_ROOT')
Export('rtconfig')
SDK_ROOT = os.path.abspath('./')
if os.path.exists(SDK_ROOT + '/libraries'):
libraries_path_prefix = SDK_ROOT + '/libraries'
else:
libraries_path_prefix = os.path.dirname(SDK_ROOT) + '/libraries'
SDK_LIB = libraries_path_prefix
Export('SDK_LIB')
def _allow_ch32v20x_d6_in_sdk_package():
"""Official CH32V20x-SDK-for-RTT ships a D8W startup file and Exit()s on D6.
CH32V203C8T6 is D6. Keep the SDK peripherals and use board/startup_ch32v20x_D6.S.
Only that package is edited, and only while Exit() is still present, so a
D8W tree or an already patched file is left untouched.
"""
import re
candidates = [
os.path.join(SDK_ROOT, 'packages', 'CH32V20x-SDK-for-RTT', 'SConscript'),
os.path.join(libraries_path_prefix, 'ch32v20x_sdk-latest', 'SConscript'),
]
for sc in candidates:
if not os.path.isfile(sc):
continue
with open(sc, 'r', encoding='utf-8') as f:
text = f.read()
if 'Exit()' not in text or 'SOC_RISCV_SERIES_CH32V20x_D6' not in text:
continue
if not re.search(r'^import os\b', text, re.M):
text = 'import os\n' + text
patched, n = re.subn(
r"if GetDepend\(\['SOC_RISCV_SERIES_CH32V20x_D6'\]\):.*?\n Exit\(\)\n",
"if GetDepend(['SOC_RISCV_SERIES_CH32V20x_D6']):\n"
" CPPDEFINES.append(\"CH32V20x_D6\")\n",
text,
count=1,
flags=re.S,
)
if n == 0 or patched == text:
continue
with open(sc, 'w', encoding='utf-8', newline='\n') as f:
f.write(patched)
_allow_ch32v20x_d6_in_sdk_package()
# prepare building environment
objs = PrepareBuilding(env, RTT_ROOT, has_libcpu=False)
ch32_library = 'ch32v20x_libraries'
rtconfig.BSP_LIBRARY_TYPE = ch32_library
bsp_vdir = 'build'
# common include drivers
objs.extend(SConscript(os.path.join(libraries_path_prefix, 'ch32_drivers','SConscript'), variant_dir='build/libraries/ch32_drivers', duplicate=0))
# make a building
DoBuilding(TARGET, objs)
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