Re: [Xenomai-core] cmd_write

[Alexis Berlemont <berlemont.hauw@domain.hid>]

Hi,

Stefan Schaal wrote:
> Hi,
> 
>   I have been trying to test the functionality of the analogy_ni_pcimio driver on a NI6259 board. I am using a linux kernel 2.6.29.5 with the xenomai-head (rc5). Doing an a4l_sync_write to an analog output channel works fine. Now I am trying to use the cmd structure for writing to the same analog output channel, as done in the cmd_write progam (whose source I found in <xenomai_root>/src/util/analogy/cmd_write.c .
> 
> But I am getting the error as indicated below. Any idea why this happens? My own programming gets the same error.
> 
> Thanks a lot!
> 
> -Stefan
> 
> 
> unix> /usr/xenomai/bin/cmd_write -v -d analogy0 -s 1 -c 0 -S 1
> 
> cmd_write: device analogy0 opened (fd=0)
> cmd_write: basic descriptor retrieved
> 	 subdevices count = 14
> 	 read subdevice index = 0
> 	 write subdevice index = 1
> cmd_write: complex descriptor retrieved
> cmd_write: channel 0
> 	 ranges count = 3
> 	 range's size = 16 (bits)
> cmd_write: scan size = 2
> cmd_write: size to write  = 2
> cmd_write: command successfully sent
> cmd_write: triggering failed (ret=-32)
> 
Is there any kernel error messages ? Could you give us the last few 
lines of `dmesg` ?
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> 
Alexis.