Audio

Please see supported features to verify that audio playback / recording is supported by the Board Support Package

The latest BSP revisions are preconfigured for audio playback, when audio is supported.

Playback:

aplay testfile.wav

example

In order to start audio recording via the Line In connector the following alsamixer settings have to be applied :

amixer set 'Right Input Mixer IN1_R P' unmute
amixer set 'Left Input Mixer IN1_L P' unmute
amixer set 'ADCFGA Right Mute' mute
amixer set 'ADCFGA Left Mute' mute
mount -o remount,rw /

Recording:

arecord -f cd testfile.wav

example

Disclaimer
TQ-Systems GmbH provides the Board Support Packages (BSP) free of charge. The software included in the shipment has been configured individually for the starter kits. The software is only intended to evaluate the module. The use of the Board Support Packages (BSP) is only allowed within the scope of functionality described by TQ-Systems GmbH. TQ-Systems GmbH does not accept any liability for all further changes of the Board Support Package and for any damage resulting from its use.