On 10/03/2014 03:33 PM, Dan Ritter wrote:
On Fri, Oct 03, 2014 at 08:43:50AM -0400, Ethan Rosenberg wrote:
Dear List -
I am trying to capture data from a serial port and write it to a file.
ethan@meow:/var/www$ cat /dev/ttyS0 > scale_value.html
cat: /dev/ttyS0: Device or resource busy
lsof /dev/ttyS0
(tells you what is holding that port open)
-dsr-
Dan -
Thanks.
root@meow:/var/www# lsof /dev/ttyS0
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
screen 28323 root 6u CHR 4,64 0t0 1119 /dev/ttyS0
TIA
Ethan
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