添加rtconfig.py注释

SConstruct

@@ -54,6 +54,7 @@ Export('SDK_LIB')
 # prepare building environment
 objs = PrepareBuilding(env, RTT_ROOT, has_libcpu=False)
 
+# 设置stm32驱动库路径
 stm32_library = 'STM32F1xx_HAL'
 rtconfig.BSP_LIBRARY_TYPE = stm32_library
 

rtconfig.py

@@ -1,13 +1,15 @@
+# 脚本定义了一系列变量，如编译器、链接器、相关构建选项等。这些选项将在SCons执行时用于配置构建环境
 import os
 
-# toolchains options
+# 工具链选项 toolchains options
 ARCH='arm'
 CPU='cortex-m3'
 CROSS_TOOL='gcc'
 
-# bsp lib config
+# bsp库设置 bsp lib config
 BSP_LIBRARY_TYPE = None
 
+# 检查环境变量并相应地设置CROSS_TOOL
 if os.getenv('RTT_CC'):
     CROSS_TOOL = os.getenv('RTT_CC')
 if os.getenv('RTT_ROOT'):
@@ -15,6 +17,7 @@ if os.getenv('RTT_ROOT'):
 
 # cross_tool provides the cross compiler
 # EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
+# 根据CROSS_TOOL设置编译器执行路径，例如CodeSourcery、Keil MDK、IAR
 if  CROSS_TOOL == 'gcc':
     PLATFORM    = 'gcc'
     EXEC_PATH   = r'/Users/qp/Applications/gcc-arm-none-eabi-10.3-2021.10/bin'
@@ -25,11 +28,14 @@ elif CROSS_TOOL == 'iar':
     PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
+# 如果设置了环境变量RTT_EXEC_PATH，使用该路径
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
 
+# 设置构建模式：调试或发布
 BUILD = 'debug'
 
+# 不同平台的编译器和选项设置
 if PLATFORM == 'gcc':
     # toolchains
     PREFIX = 'arm-none-eabi-'
@@ -176,6 +182,7 @@ elif PLATFORM == 'iccarm':
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
 
+# 处理分发操作，将工程打包成一个绿色的版本
 def dist_handle(BSP_ROOT, dist_dir):
     import sys
     cwd_path = os.getcwd()