Hello, I have a Mares Nemo and an IRIS RS232 interface. If anyone is interested in helping the debug here, I thank them in advance. More detailed info follow.
I have tried to download all the dives from my Mares Nemo via the IRIS interface (the old one, which connects through RS232). It apparently did not work using subsurface, so I rolled back to the debug tools in libdivecomputer, following the instructions to obtain all the needed info. The download with the 'universal' test went smoothly from 0% to 100%, but I get periodic warnings: "[6.324485] WARNING: Only the first packet has a correct checksum. [in mares_nemo.c:257 (mares_nemo_device_dump)]" every ~ 100 packets). If anyone is interested in looking into this, I attach all the debug info.
Thanks in advance Stefano