提交两个补丁

发布于 2014-04-27 22:45:02 浏览：2344 订阅该版

[tocm]

stm32f40x的
第一个补丁解决scons构建不产生浮点指令
```
Index: rtconfig.py
===================================================================
--- rtconfig.py	(版本 3138)
+++ rtconfig.py	(工作副本)
@@ -15,7 +15,7 @@
 	EXEC_PATH 	= r'E:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
-	EXEC_PATH 	= r'C:/Keil'
+	EXEC_PATH 	= r'C:/Keil_mdk_v4'
 elif CROSS_TOOL == 'iar':
     print '================ERROR============================'
     print 'Not support iar yet!'
@@ -64,7 +64,8 @@
     LINK = 'armlink'
     TARGET_EXT = 'axf'
 
-    DEVICE = ' --device DARMSTM'
+#    DEVICE = ' --device DARMSTM'
+    DEVICE = ' --cpu Cortex-M4.fp'
     CFLAGS = DEVICE + ' --apcs=interwork'
     AFLAGS = DEVICE
     LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-stm32.map --scatter stm32_rom.sct'
```
第二个补丁去掉多余的library include路径搜索
```Index: SConscript
===================================================================
--- SConscript	(版本 3138)
+++ SConscript	(工作副本)
@@ -33,8 +33,8 @@
 
 path = [cwd + '/STM32F4xx_StdPeriph_Driver/inc', 
     cwd + '/CMSIS/ST/STM32F4xx/Include',
-    cwd + '/CMSIS/Include',
-    cwd + '/CMSIS/CM3/DeviceSupport/ST/STM32F10x']
+    cwd + '/CMSIS/Include']
+#    cwd + '/CMSIS/CM3/DeviceSupport/ST/STM32F10x']
 
 #CPPDEFINES = ['USE_STDPERIPH_DRIVER', rtconfig.STM32_TYPE]
 CPPDEFINES = ['USE_STDPERIPH_DRIVER']
```
编译后需要手动复制AXF文件到build目录下，MDK可以直接下载仿真，-j4命令真心不错
![debug1.PNG](https://oss-club.rt-thread.org/uploads/518_4125379513322a5f700ef37fbeb05c88.png)

![debug2.PNG](https://oss-club.rt-thread.org/uploads/518_0c0e8e9ea406844564d799f58ae8859d.png)