[alsa-devel] AudioArduino - an ALSA soundcard driver for FTDI-based Arduinos

sdaau sd at imi.aau.dk
Mon May 30 06:41:08 CEST 2011

Hi all,

(cross-posting to alsa-devel at alsa-project.org and 
gmane.linux.usb.general/linux-usb at vger.kernel.org; apologies if it's 

I'd just like to inform that the AudioArduino project has been posted 


It contains links to open-source Arduino microcontroller code, and 
corresponding ALSA driver source code - which can demonstrate mono, 
full-duplex, 8-bit / 44.1 kHz soundcard operation on an FTDI-based Arduino.

There is also a related post on the (new) Arduino Forum:

The driver essentially represents an ALSA extension to ftdi-sio (which 
is why I thought it would be relevant to both alsa-devel, and 
linux-usb). Many thanks to the community for critical help, like in:

ftdi_sio, and usb_serial->interface->dev->driver_data being null

Help with dummy.c (where/how to write?)

Looking forward to any feedback regarding this project,


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