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CCS / CC2640R2F：OAD upgrade failure after serial port printing is disabled

xiaoxiong
Prodigy 40 points

Part Number: CC2640R2F
Other Parts Discussed in Thread: UNIFLASH

Tool/software: Code Composer Studio

My English may be poor, and there may be problems with the expression, please forgive me, thank you.
Related information: CCS9, simplelink_cc2640r2_sdk_3_40_00_10, xdctools_3_51_03_28_core, uniflash_5.0.0, btool.exe

I successfully upgraded OAD off-chip, and then I added OAD to Multi Role and enabled CACHE_AS_RAM. The oad upgrade was successful, but I now need to disable serial printing. I changed the macro definition: BOARD_DISPLAY_USE_UART = 0, BOARD_DISPLAY_USE_UART_ANSI = 0 , The upgrade display failed.

My question is how to close the serial port printing under Multi Role (CACHE_AS_RAM), because my serial port needs other uses, maybe there is a problem with my closing method? Please tell me how to close. Thank you