Re: [Xenomai] patch to src/utils/can/rtcansend.c to support data from a file

[Wolfgang Grandegger <wg@grandegger.com>]

Hi Daniel,

thanks for your contribution...

On 03/28/2013 11:00 PM, Daniel M. Drucker, Ph.D. wrote:
> When sending a large number of CAN messages from a script (in our case, to
> initialize a servo), rtcansend can be somewhat slow because every message
> requires a setup and teardown.
> 
> I added a --file flag to rtcansend which allows you to instead read bytes
> from a file (or stdin, using '-' as the filename). The file has one CAN
> message per line, in the same format (space-separated) as it would have
> been in the can-msg on the command line. Blank lines are ignored. Lines
> which start with a ' ' (space) or '#' (hash) character are ignored. If a
> filename is given, any can-msg specified on the command line is ignored.
> 
> I hope this of use to someone, and it'd be really great if this could be
> merged!

Well, I actually see it as a nice extension for a special purpose. I do
not see an general benefit for basic CAN testing. I also prefer to keep
rtcansend short and simple.

Wolfgang.