[NHS3100] Redlink interface error when debugging

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[NHS3100] Redlink interface error when debugging

1,402 Views
aresmarser
Contributor III

Hi Sirs,

Anyone knows why "Redlink interface error 255" reported and how to resolve it?

As follow screenshot:

Redlink interface error.PNG

Thanks,

Arna

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2 Replies

1,070 Views
info19
Contributor I

Had same message and screen w/ LPC1769 OM13085 - but only in release version, not in debug version of same code. Also, not with OM13000 board.

I tweeked Release in Debug Configurations / Debugger (Set VECTRESET, det support for semihosting) and it runs again

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driesmoors
NXP Employee
NXP Employee

Hi,

The most likely cause is that the firmware went to Power-off or to Deep Power Down. In these two power modes, the Debug HW block is not powered and access via SWD is not possible.

Use the define APP_MAINTAIN_SWD_CONNECTION in maintlogger.c and rebuild. This will avoid these two power modes, at the expense of a much higher current consumption.

Best,
Dries.