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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 oder konnte nicht gefunden werden. make: *** [Utilities/trace/adv_trace/stm32_adv_trace.o] 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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