19 lines
515 B
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19 lines
515 B
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.. _renesas-ra_troubleshooting:
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Trouble Shooting
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===================
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Flash file system
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* MicroPython REPL prompt is not displayed.
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- Re-program the MicroPython image file.
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- Confirm serial port connection.
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The connection must be crossed that the board TXD pin is connected with
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USB-serial conversion's RXD signal pin.
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- If the prompt is not displayed suddenly, try to do factory file
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system boot mode as the final method. Please note that all files are removed forever.
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