卸载IDE并重新安装后，丢失了gcc的链接/路径。
当运行程序时，出现错误：##########16:23:19 **** Incremental Build of configuration Debug for project LoRaWAN_End_Node ****make all'Building file: ../Utilities/trace/adv_trace/stm32_adv_trace.c''Invoking: Cross GCC Compiler'gcc -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"Utilities/trace/adv_trace/stm32_adv_trace.d" -MT"Utilities/trace/adv_trace/stm32_adv_trace.o" -o "Utilities/trace/adv_trace/stm32_adv_trace.o" "../Utilities/trace/adv_trace/stm32_adv_trace.c"Der Befehl "gcc" ist entweder falsch geschrieben oderkonnte nicht gefunden werden.make: *** Error 1"make all" terminated with exit code 2. Build might be incomplete.16:23:21 Build Failed. 1 errors, 0 warnings. (took 1s.809ms)########## gcc 无法找到。在卸载之前，运行程序没有任何错误。检查 gcc 是否正确连接的位置。工具链管理器说 gcc 默认由 STM 安装
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