Hello everybody,

Now i noticed one thing - I configured the master and slave as described in my 
previous e-mail:

master# tdmacfg rteth0 master 1000000 
master# tdmacfg rteth0 slot 0 100000

slave# tdmacfg rteth0 slave
slave# tdmacfg
 rteth0 slot 0 500000

Then i tried to rtping the slave with master and monitor the trafic with 
wireshark. I can see that the master pings the slave 0.1 s after the 
sync_frame. The slave then replies, but not 0.5 s after the sync_frame (as i 
was expecting), but just right after the next sync frame.
If i try to rtping the master with slave, i can see that the slave again sends 
the ping request right after the sync_frame and the master replies 0.1 s after 
the sync frame. 


Any idea why is that, why the slave does not obeys its tdmacfg slot offset? 
BTW, on the other hand the slave sends its Synchronization_Request_Frame 0.5 
second after the sync_frame as expected.

Best Regards
Klemen



On Sunday, April 20, 2014 5:59 PM, Klemen Dovrtel <klemen_dovr...@yahoo.com> 
wrote:
 
I would like to test a simple example of user space app with rtnet tdma. I 
successfully tested the RTAI example of simpleserver and simpleclient and it 
works fine. Then i configured the two machines to run as tdma master and tdma 
slave:

master:
# tdmacfg rteth0 master 1000000 
# tdmacfg rteth0 slot 0 100000

slave:
tdmacfg rteth0 slave
tdmacfg
 rteth0 slot 1 500000

I noticed the master started to transmit the synchronization_frame and the 
slave started to transmit the calibration_request_frames, and the masted then 
replied to them with calibration_reply_frames. Everything worked fine.

The i ran the  simpleserver and simpleclient once again and hoped the example 
will run over the tdma, but it doesn’t. No data is transmitted over the net. 
Any idea why not - I thought the axample will work with tdma with no change. 
Can yomeone please give me an example of user space app that runs on rtnet tdma 
or give me a hint what am i doing wrong.

Best Regards
Klemen
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