Do you have dev/null? nuttx could fallback /dev/null if you disable console: https://github.com/apache/nuttx/blob/master/sched/group/group_setupidlefiles.c#L79
On Fri, May 9, 2025 at 12:22 AM Matteo Golin <matteo.go...@gmail.com> wrote: > Hello, > > I am working on making an application run on the W5500-EVB RP2040 boards > on its own instead of via NSH. I've noticed > that the moment I turn off the USB console option (i.e. I don't use > boardctl to start the USB driver and duplicate the > file descriptor as 0, 1 and 2), the application no longer functions (it > should connect to something over the network and > it doesn't). I'm suspicious that it is hanging on printf statements > because it no longer has a stdout to write to? > > Any suggestions to just have fprintf and printf statements ignored so that > the application can run normally just without > console output? > > Alternatively I wouldn't mind keeping the USB device driver as an option, > but I've noticed that if it is not plugged > into a receiving computer the program hangs as well. It seems like it > requires some receiving device in order to > continue outputting. Is there a way I can make it non-blocking? > > Thank you for your help, > > -- > Matteo Golin >
