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3 channel receiver node with CC8530?

Tomasz Chumiecki
Genius 3060 points
Other Parts Discussed in Thread: CC8530

Hi there,

I just trying to configure an 2+1 wireless system using CC8530 with 4ch ADC on the transmitter side and 4ch DAC on the receiver side. I have already working the transmitter configured like that:

front/primary left channel on [ AD0 / LEFT / PCM16 ]
front/primary right channel on [ AD0 / RIGHT / PCM16 ]
subwoofer channel on [ AD1 / LEFT / PCM16 ]

Can I configure the receiving CC8530 in this same way, to receive with a single CC8530 all the 3 PCM16 streams? I cannot find the option in PurePath Wireless Configurator... there are just mono/stereo options for receiver...

Thanx,
Tomasz

  • 0
    TI__Mastermind 21125 points

    Hi Tomasz, 

    There is no application role that supports this out of the box, but luckily these are based on .xml files that are located here (or your equal installation path):

    C:\Program Files (x86)\Texas Instruments\PurePath Wireless Configurator\application_roles

    Have made a quick attempt in the attached file. Copy this to your <my documents> folder and not the installation path (to keep the installer clean) per the following url:

    <My Documents>\Texas Instruments\PurePath Wireless Configurator\application_roles

    Remember to re-start the configurator for this to show up as a choice. 
    The file itself can be edited in any text editor, but xml syntax highlighting helps. 

    Oh..if you truly have a subwoofer channel, you should look into using the PCMLF option for that channel. Requires less bandwidth and make the end result more robust. 

    Regards, 

    Kjetil

    s_2_1_output_satellite.ppward
  • 0 in reply to Kjetil
    Genius 3060 points

    Hi Kjetil,

    Thanks a million! It works perfect - exactly what I was looking for :)

    I'm more and more impressed how flexible the PurePath Wireless Configurator is.

    Is there any documentation how to configure to tool, how to edit the .xml configuration files?
    I develop a complete wireless audio system for a customer, similar to AUDIOFLY http://www.audiofly.eu but based on TI PurePath Wireless chipset. We want not only having the analog Tx/Rx devices and USB stick but complete wireless active speakers and stand alone amplifier. I guess I will need your help much more often in the next weeks :) Thank you one more time!

    Best regards,
    Tomasz

  • 0 in reply to Kjetil
    Genius 3060 points

    BTW, do you know if AUDIOFLY with modules from SevenEngineering uses this same technology like PurePath Wireless? Both systems: performance, limitation, features, etc... look like this same :)

    I have once to try pairing TI PurePath Wireless with SevenEngineering module...

    Tomasz

  • 0 in reply to Tomasz Chumiecki
    TI__Mastermind 21125 points

    Hi Tomasz, 

    The configurator has a built in help system that somewhat explains the xml capabilities. 
    The application roles are not documented but the audio device drivers and HID reports are. 

    AUDIOFLY and ElevenEngineering is not based on our technology.

    Been a long time since I looked at the ElevenEngineering solution, but they do have some similarities but some major differences as well. 

    Kjetil