I got this error(error: sm42 interface seems abnormal) when trying to backup NV data.
I'm referring the USI document. Link is below
USI_I-NUCLEO-LRWAN1/WM-SG-SM-42 Update Preloaded AT Command FW Application Note rev. 1.4.pdf at master · USIWP1Module/US…
Please give suggestions to fix this error.
Thanks in advance.
Suggests you have the SWD interface wired up wrong, or the ST-LINK is not functional. Use the ST-LINK Utilities to a) confirm which model you're using and b) confirm you have working connectivity.
Retrieving data ...