您可确认 GNU Arm 工具链是否正确安装:
PC $> arm-none-eabi-gcc --version
arm-none-eabi-gcc (GNU Tools for Arm Embedded Processors 7-2018-q3-
update) 7.3.1 20180622 (release) [ARM/embedded-7-branch revision 2
61907]
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. Ther
e is NOwarranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
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