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

["colorant" <colorant@163.com>]

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Hi attaboyu and henry

   Thanks so much for your kindly help!

    I try it , and meet some problem:

    the bluez-utils/tools/example.psr seems not comply with my chip, so I write another one as:

// PSKEY_ANA_FREQ
&01fe = 0FA0

// PSKEY_UART_BAUD_RATE
&01be = 0EBF


I try with the csr's demo before , if it set this two pskey , the chip can work well.

And then after hciconfig hci0 up I use

bccmd -t hci psload -r csr.psr

the two key is write successfully , but then the chip continue to receive messages , seems something wrong.

Can you send me your psr file to have a reference , or you can point out anything wrong in my process ?

By the way, if I want to read a pskey, how can I do ?

I remove the debug message so that you can see the log more clear:

  ~ # 
  ~ # bccmd -t hci psload csr.psr
  Loading PSKEY_ANA_FREQ ... done
  Loading PSKEY_UART_BAUDRATE ... done

  _________________________________________________

  if I using -r in psload the result is :

  ~ # bccmd -t hci psload -r csr.psr
  Loading PSKEY_ANA_FREQ ... done
  Loading PSKEY_UART_BAUDRATE ... done
  ~ # 
  ~ # bcsp_recv: Error in BCSP hdr checksum

  both one could not work for hcitool scan:

  ~ # hcitool -i hci0 scan
  Scanning ...
  Inquiry failed: Connection timed out

  seems after warm reset the connection is bad.

  So , I wonder, when using hciattach the baudrate is set to 115200
  but after the uart_baudrate is set, the baudrate is set to 921600
  then how can the hci interface work anymore ? since it is set to 115200, and I can not use bccmd to set the pskey before hciattach is done.

  I did need to change the baudrate, for this case , how can I achieve it ?


  Raymond


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