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Using extension headers on ADALM-PLUTO

Question asked by sivantoledo on Aug 18, 2017
Latest reply on Mar 19, 2018 by darkmilk

How do I use the extension headers on ADALM PLUTO? In particular,

  1. There is a UART port out of the CPU. Is it /dev/ttyS0 on the embedded linux? Is it the console or a separate serial port? I assume its 1.8V signaling.
  2. How do I use the AD9363 extension header? The linux driver documentation says something about using the aux adc and aux dac, but I don't think it matches the channels and attributes that iio_info shows. Also, the linux driver documentation does not say anything about gpo0 to gpo3 which I assume are GPIO or maybe just output pins. Are they also 1.8V?
  3. In particular, is there a way to know that the TX port is active and transmitting, hopefully with some delay before and after, to drive a TX/RX switch or an integrated front-end unit that needs this signal? (That is, to combine the two ports of the PLUTO for half-duplex with one antenna).
  4. Is there a /dev device for what appears to be the extension header of the Zynq? Any documentation on them?

 

Thanks, Sivan Toledo

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