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cc8530, which 4-channel codec

Oliver70185
Intellectual 280 points
Other Parts Discussed in Thread: CC8530, CC8520, TLV320AIC3204, CC8531

Hello everybody,

we recognized, that cc8530 was released together with FW 1.1. The reference guide says, that FW 1.1.1 has 4 channel support.

What is the recommended way, to connect an audio codec that supports 4 channels. Actually there is no codec listed in PPWC that supports 4 channels. We could also connect two codecs, the question is whether PPWC 1.1.1 will support multiple codecs (or an 4 channel codec). Or do we have to control the codecs ourselfes (I2C).

The 4 channel support is crucial for our application and we are developing our second prototyp at the moment. Therefor it would be important to know, how the codec(s) will be connected.

PS.: Do you almost know when FW 1.1.1 will be released?

Regards,

Oliver

  • 0
    TI__Mastermind 21125 points

    Hi Oliver, 

    FW1.1.1 will come shortly (more a matter of weeks not months) and as you say, this will allow up to 4 channels. Another new item we introduce is a Generic Audio Driver where one can write I2C drivers for various CODECs, ADCs and DACs oneself. The pre-support for a specific list in PPWC will be replaced with driver examples for the same one with a few new one added to the list (TBD). 

    Target CODEC for 4 channel support is the AIC34:
    http://focus.ti.com/docs/prod/folders/print/tlv320aic34.html 

    Regards, 
    Kjetil 

     

  • 0 in reply to Kjetil
    Intellectual 280 points

    Hi,

     

    thanks for the immediate reply!

    So as I understand it correctly, for the future, the new audio driver will be used to control the codec.

    Kjetil said:
    Another new item we introduce is a Generic Audio Driver where one can write I2C drivers for various CODECs, ADCs and DACs oneself.

    A 4 channel codec will be supported with this tool? Will this be released with FW 1.1.1 or later.

    The reason why I ask in detail is. At the moment I'm thinking about controlling the codec with my host controller as well as the cc8520/30. That would be a change in my software concept.

    Regards,

    Oliver

  • 0 in reply to Oliver70185
    TI__Mastermind 21125 points

    Hi. 

    There is no difference in how the CC85xx device controls the codec, the new part is that one can now write more generic ones and are no longer limited to whatever we choose to provide examples for. We will provide examples for AIC34 but you are free to write drivers to support other 4 channel codecs if you want to. 

    This will be released with FW1.1.1

    If you have a host controller that will also control the codec, there is no need to change the concept.

    Kjetil

  • 0 in reply to Kjetil
    Prodigy 115 points

    Hi, Sorry everyone that i followup late! I'm bit new in this device. But my application needs 4 channel analog data streaming. So, i need to make a module that can serve my purpose. I guess: CC8530 + AIC34 would fulfil the demand! Do i need to configure it through Pure path wireless Configurer? I'm currently using 1.1.1 version. But there is no CC8530 example or preloaded demo! Should i need to program myself for CC8530 or TI would provide it soon?

    Regards,

    Alam

  • 0 in reply to Monzurul Alam
    Prodigy 10 points

    Hi all, I have the similar problem. I have recently purchased a SWRU281A evaluation module, in the hope to test 4-channel audio data. Since the TLV320AIC3204 codec should be capable of 4 channel operation, my question is the following: Can I still use the same evaluation module for testing 4 hannels, by (fast) multiplexing for instance between one IN1_L/IN3_L pair, and one IN2_L/IN1_R pair? Could his multiplexing be set in teh audio device custumization script? (in addition to solder connections to the missing inputs and outputs).

    Is it further possible to combine mulitple codecs, by something like daisy chaining?

    I am aware that the AIC34 is a four channel codec that might do the job, but as already mentioned there seems to be no evaluation board in combination with the CC8530.

    Thanks for the advice,

    Clemens

  • 0 in reply to Clemens Eder
    TI__Genius 17270 points

     

    Hi,

    As CC8530 can stream upto 3 uncompressed channels it is not possible to have 2 stereo channels without compression. We will release an apps note describing how to use AIC34 soon.

    BR,

    N.

  • 0 in reply to Mizanur Chowdhury
    Prodigy 115 points

    Hi,

    Looking for the apps note describing how to use AIC34 with CC8530 .

    Best Regards,

    Alam.

  • 0 in reply to Monzurul Alam
    TI__Mastermind 21125 points

    Hi Alam, 

    It's not finalized yet and we will post here as soon as we have it finished. 

    Best Regards,
    Kjetil 

  • 0 in reply to Kjetil
    Intellectual 305 points

    Hai Kjetil,

    Do we have the app notes for CC8530/31 with AIC34 ?

    It would be really helpful if you could post the link of the same here.

  • 0 in reply to Winnefred Kinggam
    TI__Mastermind 21125 points

    Hi Winnefred. 

    You can find the design note under the CC8530 product page:

    http://www.ti.com/general/docs/litabsmultiplefilelist.tsp?literatureNumber=swra383

    Regards, 
    Kjetil 

  • 0 in reply to Kjetil
    Intellectual 305 points

    Hi Kjetil,

    For four Mic upstream operation with AIC34 and CC8531

    The following pins from AIC 34 are shorted together.

    BCLKA & BCLKB
    WCLKA & WCLKB
    MCLKA & MCLKB

    This is clear, How about the DOUTA, DOUTB, DINA and DINB pins ? 

    Do they need to be shorted together ? What configuration needs to be done from CC8531 and AIC34 ?

    Regards,

    Winnefred

  • 0 in reply to Winnefred Kinggam
    TI__Expert 7160 points

    Hi Winnefred,

    I have added a zip which contains the PPW Configurator files you need. Extract the zip, and open the project in the Configurator.

    See below picture for advice on how to set up the hardware. Please let me know if you have any questions.

    Best regards

    Kristoffer

  • 0 in reply to Kristoffer S
    Intellectual 305 points

    Dear Kristoffer,

    thank you for your inputs, As i could see in the above configuration file, The network status LED is assigned to Port1 along with the volume up function.

    In my schematics, I have configured the network status LED to port 12, would it be possible for your assign the LED to port 12 and send me the configuration file again.

    By the way how to check the port mapping compatibility for CC8531 and AIC34 ? with purepath configurator, i am not able to configure the port mapping as i want it to be.

    Please let me know the restrictions behind the same. Thanks.

    Best regards,

    Winnefred K

  • 0 in reply to Winnefred Kinggam
    TI__Mastermind 21125 points

    Hi Winnefred, 

    Replied to the separate post on this topic:
    http://e2e.ti.com/support/low_power_rf/f/382/t/274870.aspx

    Regards,
    Kjetil