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How does "HW/SW Co-Design QPSK Transmit and Receive Using Analog Devices AD9361/AD9364" configure the register in ad9361?

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Xiaoxiao Liu
Xiaoxiao Liu on 19 Oct 2020
Commented: Ciaran Toner on 6 Nov 2020
Hi,
I've been following the example: HW/SW Co-design QPSK Transmitter and Receiver Using Analog Devices AD9361/ AD9364 Hardware Generation Model with the FMCOMMS5 and ZC706 platform. I cannot find the relevant code of configuring ad9361 register through SPI in the generated C code. How does the generated code configure AD9361 on the board?

Answers (1)

Ciaran Toner
Ciaran Toner on 20 Oct 2020
Hi Xiaoxiao, our code does not explicity control the AD9361 by SPI. The AD9361 is configured by using kernel drivers which are provided by ADI.
  3 Comments
Ciaran Toner
Ciaran Toner on 6 Nov 2020
Hi Xiaoxiao,
There are advanced ways of doing this, if the property is an IIO attribute.
Over ssh you can run the iio tools on the embedded system. You can then create a function block that invokes these iio tools on the board with some handwritten code.
If you need the code to run on startup you can generate the elf for the code, then copy it the root of the SD card. Finally you should modify the init.sh file to launch the code on startup.

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