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RE: [bluetooth-dev] HCI ACL data packet length problem



what HW are you running ? If it is Ericsson, 800 sounds familiar for the older firmware
versions (10x800 bytes buffers). The newer uses 10x672 bytes out buffers. This means you can't send a 
hci packet to the HW bigger than 800.
/Mattias

> -----Original Message-----
> From: umthie10 [mailto:umthie10@xxxxxxx.ca]
> Sent: den 28 maj 2001 22:35
> To: bluetooth-dev@xxxxxxx.com
> Subject: [bluetooth-dev] HCI ACL data packet length problem
> 
> 
> I've been sending some acl data packets and have found that 
> the hci header
> is being changed by the hardware before transmit.  It caps out at 0x20
> 0x03 for the length in the HCI header.  Even if i set the header to a
> larger value, it is changed at the other end.  The l2cap 
> header size is
> fine, and doesn't get changed.  
> 
> Has anyone else noticed this?  0x03 0x20 is 800 bytes, anything higher
> than that gets set to 0x03 0x20.  The data still gets sent, 
> but the length
> is wrong at the other end.  Does this have anything to do with the
> databuffers?  
> 
> thanks,
> nic
> 
> 
> 
> Nicolas Thiessen
> Research Assistant
> TRLabs - Winnipeg Manitoba
> umthie10@xxxxxxx.ca
> (204) 488-5628
> 
> 
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