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Enable audio codec for HFP voice on CC2564B and MSP430F5438A exp board

Samming Wang
Prodigy 180 points


Hello,

I am working on a speakerphone project which would integrate HFP profile.

The boards I evaluated are CC2564B and MSP430 with Bluetopia SDK v1.5 R2.

I have some questions as below,

1. Does the HFP demo code in SDK v1.5 R2 configure as Assisted HFP architecture?

2. In WBS and NBS modes, what's the respective data format (linear, a-law, u-law) between PCM/I2S and external Audio CODEC?

3. How to change the data format setting on above question?

Thanks,

Sam

  • 0
    TI__Mastermind 32615 points
    Hi,

    1. yes.
    2. WBS yes. It should be mentioned in the datasheet.
    3. you can codec configuration command http://processors.wiki.ti.com/index.php/CC256x_VS_HCI_Commands#HCI_VS_Write_CODEC_Config_.280xFD06.29

    also see http://tiprocessors.com/index.php/CC256x_Advanced_Voice_and_Audio_Features#WB_Speech
  • 0 in reply to Sundeep Javvaji
    Prodigy 180 points
    Hi Sundeep,

    There is no information for question 2 in the datasheet.
    2. In WBS and NBS modes, what's the respective data format (linear, a-law, u-law) between PCM/I2S and external Audio CODEC?

    Could you help figure out the data format between PCM/I2S Interface and external Audio CODEC?

    Thanks,
    Sam
  • 0 in reply to Samming Wang
    TI__Mastermind 32615 points
    Hi,

    As mentioned in the data sheet, WBS and NBS modes can not work simultaneously.

    You can read (HCI_Read_Voice_Setting) and write (HCI_Write_Voice_Setting) the voice setting from the host. see the Bluetooth specification for more details on the commands