[Keil] 编译报错 Target ‘FreeRTOS‘ uses ARM-Compiler ‘Default Compiler Version 5‘ which is not available.

Build started: Project: OriginCar
*** Target 'FreeRTOS' uses ARM-Compiler 'Default Compiler Version 5' which is not available.
*** Please review the installed ARM Compiler Versions:
   'Manage Project Items - Folders/Extensions' to manage ARM Compiler Versions.
   'Options for Target - Target' to select an ARM Compiler Version for the target.
*** Build aborted.
Build Time Elapsed:  00:00:00
 

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从MDK5.37开始，AC5(ARMCC)编译器不再默认安装，需要独立安装。

如果用Version 6 （或6.18）的编译器 编译有可能会出现几百个报错

这种情况下，需要换Compiler Version 5编译，Compiler Version 5的安装参考下面的步骤

Keil uVision5社区版添加Compiler Version 5最详解_manage project items - folders/extensions' to mana-CSDN博客