Re: bluettoth HCI error - PXA255 PB4.2 and MS BTStack

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From: Alex Lurye (alurye_at_hotmail.com)
Date: 05/14/04 

Date: Fri, 14 May 2004 10:46:42 -0700

Try to force the stack to go down at power off and inform it to come up at
power on because serial interface does not support PnP. To do so, he can do
an IOCTL_SERVICE_START and IOCTL_SERVICE_STOP on BTD0: device.

"piero" <anonymous@discussions.microsoft.com> wrote in message
news:3330F3A9-EF75-4849-A318-6EF789A6E6B0@microsoft.com...
> hi all!
> I'm working on a bluetooth problem.
> I'm using a PXA255 architecture with Bluettoth zeevo module connected to
the PXA255 bt-uart port.
>
> When I start all is working well and I can discover other bt devices form
control panel.
> My problemk is that I need to poweroff and re-poweron the bt-module (for
instance for suspend resume).
>
> After I resume the module I have the bluetooth hardware error 10050 (hci
hw
> controller error!).
> I have this problem when I suspen and resume my device and also if I
poweroff and poweron the module on the fly.
> I tried also to call the functios HCI_Disconnect and HCI_StopHardware
before poweroff the module, and HCI_StartHadrware and HCI_Connect after
poweron but it still does not work.
>
>
> Any suggestions ?
> Can someone poweroff/poweron bluetooth HCI serial modules on his devices
without needing to soft reset the machine ?
>
>
> Piero Regard
>
>

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