After a lot of fussing, finally got an 802.11 association.
That was a lot of work. Nothing changed. With 1 dongle, it only associates by doing iwlist manually, then iwconfig. With another dongle, it usually gets it with just the iwconfig command. The STM32 USB is still putting out a huge number of errors. The way iwconfig probes is always generating an error URB.
It turned out none of t…