From: Steven Singer <steven.singer@csr.com>
To: bluez-devel@lists.sourceforge.net
Subject: Re: [Bluez-devel] Hardware error
Date: Tue, 01 Feb 2005 14:52:18 +0000 [thread overview]
Message-ID: <41FF97A2.7080002@csr.com> (raw)
In-Reply-To: <41FF6E2C.7040908@avantwave.com>
mike wrote:
> > HCI Event: Hardware Error(0x10) plen 1
If you find out what the parameter was to the hardware error event, you
might get a clue as to what was going on.
You can look up the hardware error codes for CSR chips in the document
HQ Commands (bcore-sp-003Pc) on the CSR support web site if you have
access (www.csrsupport.com).
The most common hardware error emitted by CSR devices running the H4
UART host transport is 0xfe. This indicates that the chip has lost HCI
synchronisation with the host. This is caused either by the host sending
invalid data or because of corruption of the UART traffic on the wire.
Unfortunately, the H4 UART protocol does not support a proper error
recovery procedure. The only option, once this error has occurred, is
to issue an HCI_Reset which will, of course, tear down all existing
links.
- Steven
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next prev parent reply other threads:[~2005-02-01 14:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-01 11:55 [Bluez-devel] Hardware error mike
2005-02-01 11:46 ` Marcel Holtmann
2005-02-01 12:31 ` Peter Wippich
2005-02-01 14:52 ` Steven Singer [this message]
2005-02-03 13:43 ` mike
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