> Thinking more about it, a specialized rtcanmultisend.c in
> "examples/rtdm/profiles/can" would be nice. Please also provide an
> example input file.
Here is my rtcansendmulti.c:
https://gist.github.com/dmd/5416474
By default, it operates exactly the same as the current rtcansend (so
this could just replace the existing rtcansend - there's no real
reason to have both).
If a filename option is provided, it ignores any <can-msg> that may be
present on the command line, and instead reads that file line at a
time, treating each line as if it were a command line. The updated
help should explain this:
Usage: ./rtcansendmulti <can-interface> [Global Options] [<can-msg>]
Global Options:
-f, --file=filename filename to read from, or - for stdin
<can-msg> will be ignored if a file is specified
-L, --loopback=0|1 switch local loopback off or on
-v, --verbose be verbose
-t, --timeout=MS timeout in ms
-s, --send use send instead of sendto
-h, --help this help
Global Options OR any line in file:
-i, --identifier=ID CAN Identifier (default = 1)
-d, --delay=MS delay in ms (default = 1ms)
-r --rtr send remote request
-e --extended send extended frame
-l --loop=COUNT send message COUNT times
-c, --count message count in data[0-3]
-p, --print=MODULO print every MODULO message
filename (or - for stdin) contains lines of the format:
[Options] [<can-msg>]
Blank lines are ignored.
# comments out the remainder of a line.
If an option is given on a particular line in a file, that option
overrides the specified global option for that line only.
For example, I might have a file foo which contains:
# this is a comment
-i 0x601 0x40 0x41 0x60 0x00 #this is another comment
0x40 0x41 0x60 0x00
And I run:
rtcansendmulti rtcan0 -v -i 0x602 -f foo
I will see:
interface rtcan0
s=1, ifr_name=rtcan0
<0x601> [4] 40 41 60 00
<0x602> [4] 40 41 60 00
Cleaning up...
Note that the first line was sent to cobid 0x601 (specified on that
line), and the second to globally specified 0x602.
Let me know if you have any questions.
Daniel
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