2 Replies Latest reply on Sep 11, 2017 12:36 AM by veerendrarn1_2322216

After 512 bytes of data in control center default 2 bytes of 00

veerendrarn1_2322216 Sep 1, 2017 2:12 AM

Hi Folks,

We are using slavefifosync firmware for USB3.0.

I am sending data from FGPA to FX3 using Slavefifosync, and after sending data to control center, after every 512 byte default 2 bytes 00 value is coming.

what is the problem here?

please suggest me regarding this issue.

I attached control center data transfer screenshot, Please find the attachment.

Thanks and Best Regards

Vinod Sajjan

Controlcenter.png 80.3 K
Blue_CC.png 91.7 K

1. Re: After 512 bytes of data in control center default 2 bytes of 00

KandlaguntaR_36 Sep 8, 2017 3:36 AM (in response to veerendrarn1_2322216)

Vinod,

Let us know how you have configured the DMA Channel and End Point?
Also share the GPIF Project?

Can you test the GPIF to USb Project provided with the SDK (C:\Program Files (x86)\Cypress\EZ-USB FX3 SDK\1.3\firmware\basic_examples\cyfxgpiftousb) over your hardware?
Open the streamer application and do in transfer then see whether you have the same issue with this too.
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2. Re: After 512 bytes of data in control center default 2 bytes of 00

veerendrarn1_2322216 Sep 11, 2017 12:36 AM (in response to KandlaguntaR_36)

hello srdr,
when we try to run fx3 board on cyfxgpiftousb project which is in the (x86)\Cypress\EZ-USB FX3 SDK\1.3\firmware\basic_examples\cyfxgpiftousb) device tree is generating but end points where not getting .
please refer attachment above.and the end points are generating on slavefifosync data is also saving successfully but after each 512 bytes 2 bytes of 00 00 are coming
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