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Update TencentOS-tiny-porting-gcc.md

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“___weak” should be "__weak"
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lbcqc
2019-10-13 19:58:27 +08:00
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parent 9a2b4f31dc
commit d644291491
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doc/TencentOS-tiny-porting-gcc.md
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@@ -209,7 +209,7 @@ cmsis os是TencentOS tiny为了兼容cmsis标准而适配的OS抽象层，可以
在stm32l0xx_it.c（board\NUCLEO_L073RZ\Src目录下）文件中包含 tos.h 头文件 在stm32l0xx_it.c（board\NUCLEO_L073RZ\Src目录下）文件中包含 tos.h 头文件
![](https://main.qcloudimg.com/raw/d3212faec1bb029a1de508697a619a31.png) ![](https://main.qcloudimg.com/raw/d3212faec1bb029a1de508697a619a31.png)
在stm32l0xx_it.c文件中的PendSV_Handler函数前添加___weak关键字，因为该函数在TencentOS tiny的调度汇编中已经重新实现；同时在SysTick_Handler函数中添加TencentOS tiny的调度处理函数，如下图所示： 在stm32l0xx_it.c文件中的PendSV_Handler函数前添加__weak关键字，因为该函数在TencentOS tiny的调度汇编中已经重新实现；同时在SysTick_Handler函数中添加TencentOS tiny的调度处理函数，如下图所示：
![](https://main.qcloudimg.com/raw/29da9ce673eb20b7996734e251f71d21.png) ![](https://main.qcloudimg.com/raw/29da9ce673eb20b7996734e251f71d21.png)