Keil mdk5.37 and above can add AC5 (armcc) compiler by themselves

from MDK5.37 Start ,AC5(ARMCC) compiler No longer installed by default , It needs to be installed independently . route 、 Installation problems such as characters , Can cause AC5 Compilation error of . Here are the ways to avoid climbing the pit .

Here are the installation steps ：

download AC5(ARMCC) compiler ：

1. Download the official page ：

Legacy Arm Compilers – Arm Developer

2. Online disk download ：

Baidu SkyDrive -
download Arm Compiler 5.06 update 7 (build 960)：https://pan.baidu.com/s/1ND3vKLzqxanWVP304txRtQ , Extraction code ：idvc

Install compiler （ Be careful ： Need to put in keil Install under directory ARM Let's go to the table of contents , Otherwise, we will not find license route ）：

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Note that the installation path should not have special characters , Otherwise, an error will be reported at compile time .

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After the KEIL Set compiler in ：

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Switch to Folders/Extensions tab

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Click on Use Arm Complier The last three points in the column , Choose the compiler path you just installed

Check out the optional compiler , Is it happening AC5？

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Here we are , Adding a compiler is complete .

enjoy！