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What are the left GPIOS when using Wolfson Audio Card ?

Former Member

I would like to use some gpios for my stuff beside using the wolson audio card, but I can not find which are the GPIO that are still available.

 

Can some one help me about this ?

 

Best Regards

Parents Reply Children
  • 0 in reply to fvan

    Ok, so it means that Wolfson Audio card does not use I2C ?

    My goal is to add push buttons, leds or rotary encoder without adding an mbed or arduino board to the raspberrypi.

     

    For those that could be intersted, I want to realise an portable Spdif audio recorder that will works with an DMI2 from neumann (https://www.neumann.com/?lang=fr&id=current_microphones&cid=kmd_dmi-2portable) which is an interface for digital microphones.

     

    So from, I could be able to record digital signal from this interface with the raspberry and wolfson audio card. All of the settings (source, sample rate, name of the file) is driven from a web server that run on the raspberry. So it's easy with an smart phone, laptop or anaything that works with wifi and ethernet to drive it.

     

    At the end, I alrready developped an plugin which works under Reaper (www.reaper.fm) to transform the raspberry py to an audio interface. To realize it, I just use ethernet that sends/reads udp packet between the rapsberry and the reaper daw.

     

    best regards.