2, download and install the GNU Arm Embedded Toolchain, I download the latest version of the test, development with recommended download stable version, to avoid stepping on the pit;
After the installation is complete, need to configure the system environment variables:
ZSHRC file input: the export PATH=$PATH:/Applications/ARM/bin (address according to the installation directory) save and exit,
Check the configuration results:
% arm - none - eabi - GCC -v
% env
Right to use vscode open folder reference: https://blog.csdn.net/qq_44733925/article/details/107372887
Copy project, modify the tool chain address
