Logging serial port data to file

[Denys Vlasenko]

On Tuesday 30 March 2010 04:35, Rob Landley wrote:
> On Wednesday 24 March 2010 11:16:59 Michael Hagedorn wrote:
> > Hi
> > I am quite new to the busybox and need some help. I am trying to modify
> > an embedded system on a NAS based on a STR8100 series hardware platform.
> > I have the SDK. Busybox is installed on it and I can build it successfully.
> >
> > I want to log data arriving on the serial port (I am using a USB to
> > serial device) to a file.
> 
> netcat -f /dev/ttyS0 > file.txt

If you are sure you have nc which understands -f. Standard one does not.

> > Ideally with time stamps.
> 
> netcat -f /dev/ttyS0 | while read i; do echo $(date +%s) "$i"; done > file.txt

Or: something | svlogd -tt LOGDIR

svlogd has all typical things for logger tools like log rotation, see
http://man.cx/svlogd%288%29

-- 
vda