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No-OS SW Reference design(AD9361) for KC705+AD-FMCOMMS2

Question asked by w9001156 on Jun 12, 2014
Latest reply on Jan 8, 2016 by DragosB

Hi,

 

I got no-OS SW AD9361 reference design from website and check "main.c" file:

 

======================================

#ifdef XILINX_PLATFORM

#ifdef DAC_DMA

dac_init(ad9361_phy, DATA_SEL_DMA);

#else

dac_init(ad9361_phy, DATA_SEL_DDS);

#endif

=======================================

My Question is:

1. If I select DDS to send TX Data, Does this function "dac_init" just initialize DAC module? or Does this function send TX Data out to FMCOMMS2 board interface?  I saw this function setup some DMA registers.

2. If yes, how many data will be generate by DDS?

3, If no, how to change design to support TX Data out?

4. If I select DMA to send TX Data, does this function will auto-send data out? How many data if yes, how to change design to support Tx Data out if not?

 

Thanks,

May

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