Re: How to use Bluez with CSR chip ?

   hi raymond
the csr bc4 need to be configured before real running, some pskey should be set and warmreset should be issued. 
1. add --enable-bccmd feature while configure the bluez-utils
2. use bccmd after hci0 is up:
    $bccmd -t hci psload -r /csr.psr
     here csr.psr is the pskey config file, -r means warmreset after pskey configured,there is a example psr file in bluez-utils/tools/example

after that, u can see the other device through hcitool scan

attaboyu

 在2008-06-11，colorant <[email protected]> 写道：
>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" 
>To: "BlueZ users" 
>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  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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>>
>>
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>
>
>
>
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