AXI DATAMOVER PDF

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The good alternative was to use the AXI Data Mover. – The transfer commands are delivered by AXI4 Stream. – The status of transfers are delivered back by. The AXI Datamover is a key Interconnect Infrastructure IP which enables high throughput transfer of data between AXI4 memory mapped domain to AXI4- Stream. For you, you are probably looking at AXI Datamover or AXI Central DMA. ” Xilinx provides the AXI Virtual FIFO Controller core to use external.

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From what it seems, the datamover is not accepting anymore data over the AXIS bus after a few clock cycles. However, I have that eatamover state going up to 70 clock cycles before adi is sent and still same behaviour. I changed my HDL code for testing purposes. For some reason I could not arm the core or get it to trigger. I am wondernig if something in the AXI bus in not sequencing correctly.

I am on a similar project but need a little bit more time to tell if it works as expected.

Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Also, based on that, I have included a wait state that issues a command ahead of time after the data becomes available.

Have you found a solution in the meantime? The command word settings are as follows: I will need to do that for a maximum ofclock cycles ms.

Your suggestions, indeed, solved the issue.

I recognize that I am writing the values all to the same location so I would see the last value I would write, but that is not happening either. However, trying to read the data from the 0x location I dont see the data I expect. I would really datamoer some insight on what might I do to solve the problem. The VHDL code now does the following: After that I just use a pointer to read out the contents of memory location 0x To the maximum extent permitted by applicable law: ChromeFirefoxInternet Explorer 11Safari.

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AXI interconnect and DataMover.

I connected manually each datamver from two AXI interfaces from datamover to each signal in one AXI interface and it worked so the rest of my design is finebut I dubt it’s a good practise. The is still a problem though. Currently I have the command word set for fixed address which I am doing until I get the design to work.

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Have you tried validating the block design? We share info about use of our site with social media, ads and analytics partners. The command word settings are as follows:. My idea to handle this would be to create a 2 AXI slave and 1 AXI master aximm interfaces in a “pass-through” component that just hooks the 5 buses together 3 from write, 2 from daatamover. I was just curious about your experience.

All forum topics Previous Topic Next Topic. For the first occurrence of each acronym, spelled out axo occurrence followed by the acronym. I’m not quite sure why that is happening. All other trademarks are the property of their respective owners. I have been trying to debug with Chipscope as well but with no luck so far.

Then the validation would move its width down to the datamover.

Thanks a lot for your timely and useful assistance. We datamober detected your current browser version is not the latest one. If you don’t use the sts busses inside your design i. For the datamover I have an independent state machine for the cmd AXIS master that keeps on switching between idle and write states.

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AXI interconnect and DataMover – Community Forums

Believe I ran into this before. You have the same problem? It’s a bit strange that the second transfer cannot be executed, since a the FSM goes through through the same datampver in the second iteration as it did in the first one, so the protocol is being followed, and sxi as far as I understand, there’s no need to do any kind of inter-transfer [re]initialization of the DataMover block or is there? However, it works without the Datamover DMA. Embedded Processor System Design: Auto-suggest helps you quickly narrow down your datamoover results by suggesting possible matches as you type.

The bit value needs to be in a certain range and if it is not then I want to store the bit value in DDR S2MM along with the clock cycle it happened at.

As a result, I created a bit value that is a concatenation of the bit along with a bit count which is the value I am sending to the datamover DMA over AXI-Stream.

We use cookies to personalise content and ads, to provide social media features and to analyse traffic. It sounded like it would be sufficient for my purpose. By continuing to browse you are agreeing to use of cookies.

Please upgrade to a Xilinx. My current efforts look like that.

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