I meant rfnoc_create_verilog.py
https://github.com/EttusResearch/uhd/blob/master/host/utils/rfnoc_blocktool/rfnoc_create_verilog.py jeff ________________________________ From: Hodges, Jeff Sent: Friday, December 11, 2020 3:44:41 PM To: usrp-users@lists.ettus.com Subject: RFNoC passing metadata on the dataplane I'd like to pass metadata over the dataplane using the available space in the CHDR header. However, I cannot find an easy way to do this using UHD3.15. I've identified two possible approaches but I'm not sure either will work: (1) Set AXI_Wrapper (Simple_Mode =0) to require user provided CHDR header. It's unclear how to provide the header, and if this can be modified quickly. (2) Expose the AXI-Stream CHDR interface the way UHD4.0 does it: In UHD4.0 the verilog_image_builder.py includes the options to expose HDL interface: o Definition: Which HDL interface to expose o Options: “AXI-Stream CHDR” (axis_chdr), “AXI-Stream Payload Context” (axis_pyld_ctxt), or “AXI-Stream Data” (axis_data) If Option (2) is the recommended, can I just copy the code from verilog_image_builder.py TEMPLATE such as below, or were other changes made to make it incompatible with 3.15? %if config['data']['fpga_iface'] == "axis_pyld_ctxt": assign axis_data_clk = ${config['data']['clk_domain']}_clk; assign axis_data_rst = ${config['data']['clk_domain']}_rst; <%include file="/modules/axis_pyld_ctxt_modules_template.mako"/> Thanks, Jeff
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