Re: [Bluez-users] How to use Bluez with CSR chip ?

colorant
2008-06-12T00:11:16Z

Hi Henry

1,2: nop, I use standard stack come with kernel, I use csr's demo just
to test the hardware is ok.
3: the csr chip I use is initialized by sending cmd after power up .

Raymond

----- Original Message -----
From: "hong zhang" <henryzhang62@yahoo.com>
To: "colorant" <colorant@163.com>; "BlueZ users"
<bluez-users@lists.sourceforge.net>
Sent: Thursday, June 12, 2008 2:04 AM
Subject: Re: [Bluez-users] How to use Bluez with CSR chip ?

> Raymond,
>
> I have a few questions.
>
> 1. Do you use CSR bleutooth stack from CSR?
> 2. If you use Bluez, you must use bluetooth stack
> comes with kernel.
> 3. How is CSR chip initialized? by eeprom?
>
>
> I believe you use CSR stack then you cannot use Bluez
> utilities.
>
> --henry
>
> --- colorant <colorant@163.com> wrote:
>
>> Hi henry
>>
>> Thanks for you reply.
>>
>> Yes , I am using BC4 A06 Rom version on an arm
>> based embedded board.
>>
>> So this one must set pskey before running right
>> ?
>>
>> I try to run the CSR's demo first to set the
>> right pskey and run the
>> chip up.
>> After I exit the demo, I can use pc to detect
>> the chip.
>>
>> While , then I use :
>>
>> hciattach /dev/ttyS1 bcsp 921600
>>
>> to attach ttyS1 to hci0
>>
>> after that , The PC can not detect the chip
>> anymore.
>>
>> and then I try
>> hciconfig hci0 up
>> it can bring up the hci0 interface , but the pc
>> still don't detect the
>> chip.
>>
>> for kernel , I only insert bluetooth.ko and
>> hci_uart.ko
>>
>> So , can you kindly figure out what might be
>> wrong in my operation ?
>>
>> Seems to me the hciattach operation reset the
>> chip. And I might need to
>> modify the hciattach , or ?
>>
>> Raymond
>>
>> ----- Original Message -----
>> From: "hong zhang" <henryzhang62@yahoo.com>
>> To: "BlueZ users"
>> <bluez-users@lists.sourceforge.net>
>> Sent: Wednesday, June 11, 2008 8:57 AM
>> Subject: Re: [Bluez-users] How to use Bluez with CSR
>> chip ?
>>
>>
>> > Raymond,
>> >
>> > CSR bc4 is initialized in two ways based on your
>> > design. I assum your board is embedded. One is by
>> > eeprom and one is using command after build. You
>> need
>> > to provide more information.
>> >
>> > You have to make sure your CSR bc4 chip on your
>> board
>> > is up first before using bluez.
>> >
>> > Regular talking here is based on x86.
>> >
>> > ---henry
>> >
>> > --- colorant <colorant@163.com> wrote:
>> >
>> >> Hi
>> >>
>> >> I am not sure is this the proper place to put
>> up
>> >> this question, if not ,
>> >> please correct me.
>> >>
>> >> I was trying to run bluez on our board with
>> bc4
>> >> chip. This chip need to
>> >> set pskey before it can run
>> >>
>> >> I use hciattach and hciconfig to bring up the
>> >> hci0 interface.
>> >>
>> >> Then I try hcitool hci0 scan with my earphone
>> >> open.
>> >>
>> >> Nothing happend.
>> >>
>> >> while, if I using CSR's bchs a2dp demo , it's
>> >> ok, I can play music. say
>> >> hardware is ok.
>> >>
>> >> My question is :
>> >>
>> >> 1. To enable bluez with csr chip, is there
>> >> anything need to do vs the
>> >> standard kernel and bluez package ? Some config
>> >> need?
>> >>
>> >> 2. Did I need to place the bootrap init
>> sequence
>> >> for the bc4 chip in
>> >> some place if I using bluez ? say in kernel or in
>> >> the bluez user space
>> >> scripts? Or , the standard kernel and bluez
>> utility
>> >> already hand it, But I
>> >> just do the wrong way ?
>> >>
>> >>
>> >> Many thanks.
>> >> Raymond
>> >>
>> >>
>> >>
>> >>
>> >>
>> >
>>
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