We're loosing serial bytes from PC to phone

Florian Tobias Schandinat FlorianSchandinat at gmx.de
Thu Mar 25 21:45:05 UTC 2010


Hi,

Harald Welte schrieb:
> Just another intermediate update:
> 
> 1) I've pushed my current debugging code to the uart-debug branch
> 
>    Simply run osmocon + layer23 and the hello_world.bin image.  layer23
>    will send a 62 byte sized HLDC message every 10 seconds to the phone,
>    and various instances of the code will print what they see.  The
>    payload of the packet is supposed to be 
> 	0a 00 00 01 02 03 04 05 06 07 00 01 02 03 04 05 06 07 
> 	      00 01 02 03 04 05 06 07 00 01 02 03 04 05 06 07
> 	      00 01 02 03 04 05 06 07 00 01 02 03 04 05 06 07
> 	      00 01 02 03 04 05 06 07 00 01 02 03 04 05
> 
>    but what the firmware sees is:
> 	0a 00       02 03 04 05 06 07       02 03 04 05 06 07
>                     02 03 04 05 06 07       02 03 04 05 06 07
> 		    02 03 04 05 06 07       02 03 04 05 06 07
> 		    02 03 04 05 06 07	    02 03 04 05

is this issue limited to a specific phone?
I just wanted to reproduce this on my C155 but failed (l1a_l23_rx_cb 
returns exactly what was sent by layer23). Is this expected or am I 
doing something wrong?


Regards,

Florian Tobias Schandinat




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