[platform IO compile hifive1 revb] * * * [.pio\build\hifive1 revb\src\setupgpio.o] solution to error 1

• Change lowercase s Change to capital S, such as setupGPIO.s Change it to setupGPIO.S

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• A warning also pops up platformio riscv64-unknown-elf-as: unrecognized option '-mcmodel=medlow', stay community.platformio.org The suffix of the post file found in should be uppercase S, again build Just a moment

• Platform IO About China Hifive1-revB Introduction to https://docs.platformio.org/en/stable//boards/sifive/hifive1-revb.html#hardware, You can paste configuration modification platformio.ini

• The debugger is jlink
  

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• Use platformio Errors will also be reported during debugging , Click the small green arrow to start debugging
  

• Be similar to .pioinit:16: Error in sourced command file
  

• You can refer to my blog 【 To configure Hifive1-revB】 Port is not recognized in device manager ,Can not connect to J-Link via USB Solutions for