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Piping audio to GPIO

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Published in 2016-5-21 16:33:24 | Show all floors |Read mode
Hello,

Is there a way to pipe audio signal from sound card to GPIO (perhaps PWM)? Raspberry automatically does that when PWM is enabled, but I can't get any sound from Orange after enabling pwm0 and connecting to PA05:
  1. [pwm0_para]
  2. pwm_used = 1
  3. pwm_positive = port:PA05<3><0><default><default>
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Would really appreaciate any help.
Thanks.
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