<?xml-stylesheet type="text/xsl" href="https://community.element14.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>PYNQ and Zynq: the Vitis HLS Accelerator with DMA training - Part 1: Turn C++ code into an FPGA IP</title><link>/technologies/fpga-group/b/blog/posts/pynq-and-zynq-the-vitis-hls-accelerator-with-dma-training</link><description>PYNQ now supports Vivado and Vitis HLS version 2020.2 (since PYNQ 2.7).Time to re-check the hardware accelerator mechanisms, with DMA. This workflow has now stabilised.
Hardware Acceleration is the technique to implement program logic insi...</description><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>RE: PYNQ and Zynq: the Vitis HLS Accelerator with DMA training - Part 1: Turn C++ code into an FPGA IP</title><link>https://community.element14.com/technologies/fpga-group/b/blog/posts/pynq-and-zynq-the-vitis-hls-accelerator-with-dma-training</link><pubDate>Mon, 03 Jan 2022 22:44:21 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:fc83a27c-11b8-4763-8e85-8cdea2ab61b9</guid><dc:creator>Jan Cumps</dc:creator><slash:comments>1</slash:comments><description>&lt;p&gt;Warning if you&amp;#39;re using Vitis HLS. The platform is impacted by a Year2022 bug:&amp;nbsp;&lt;a href="https://support.xilinx.com/s/question/0D52E00006uxnnFSAQ/2022-timestamp-overflow-error-2201011128-is-an-invalid-argument-please-specify-an-integer-value?language=en_US"&gt;https://support.xilinx.com/s/question/0D52E00006uxnnFSAQ/2022-timestamp-overflow-error-2201011128-is-an-invalid-argument-please-specify-an-integer-value?language=en_US&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;TL;DR: you need to set the clock to a 2021 date to build a design. All recent Vitis HLS versions are affected.&lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=22365&amp;AppID=19&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: PYNQ and Zynq: the Vitis HLS Accelerator with DMA training - Part 1: Turn C++ code into an FPGA IP</title><link>https://community.element14.com/technologies/fpga-group/b/blog/posts/pynq-and-zynq-the-vitis-hls-accelerator-with-dma-training</link><pubDate>Fri, 26 Nov 2021 12:04:47 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:fc83a27c-11b8-4763-8e85-8cdea2ab61b9</guid><dc:creator>Jan Cumps</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;The generated IP block contains the VHDL and Verilog source.&lt;br /&gt;This source should not be edited&amp;nbsp;and isn&amp;#39;t intended for human consumption. Her&amp;#39;s a snippet anyway:&lt;br /&gt;&lt;br /&gt;&lt;/p&gt;
&lt;p&gt;[embed:dc8ab71f-3b98-42d9-b0f6-e21e02a0f8e2:f2a58c81-0d0c-40be-96c7-7fe2435b2705:type=text&amp;text=constant%20ap_const_lv32_5%20%3A%20STD_LOGIC_VECTOR%20%2831%20downto%200%29%20%3A%3D%20%2200000000000000000000000000000101%22%3B%0D%0A--%0D%0AB_TDATA_int_regslice%20%3C%3D%20std_logic_vector%28unsigned%28A_TDATA_int_regslice%29%20%2B%20unsigned%28ap_const_lv32_5%29%29%3B]&lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=22365&amp;AppID=19&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item></channel></rss>