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AR# 38509

12.3 EDK, AXI_DMA - Where can I find the loopback hardware widget for AXI_DMA?

Description

The AXI_DMA examples_poll.c driver example mentions an AXI feedback core:

This code assumes a loopback hardware widget is connected to the AXI DMA core for data packet loopback.
Where can I find a loopback core?

Solution

An AXI4-Stream widget is available in the below link:

http://www.xilinx.com/txpatches/pub/applications/misc/ar38509.zip

INSTALLATION:
Extract to project pcores/ directory. Project->Rescan User Repositories

The loopback core buffers incoming transactions on a slave interface in a FIFO, and then initiates the transaction on a master interface.
AR# 38509
Date Created 10/11/2010
Last Updated 12/15/2012
Status Active
Type General Article
Tools
  • EDK - 12.3
  • EDK - 13.1