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src="https://cdn.wpsshop.cn/public/wpsshopindex/js/mid_detail_last.js?v=33890"></script><style type="text/css"></style><script type="text/javascript"></script><div class="interactive_info" id="body-data-0098" attrv="46098"></div><div class="article_box" style="overflow: hidden;"><div class="article_channel"><div class="channel_top_line"><div class="cn_t_l"></div><div class="cn_t_r"></div></div><div class="article_channel_info">当前位置: <a href="/article/list/1">article</a> > 正文 </div></div><div class="article_title"><h1>FPGA开发——DMA_zynq dma fpga</h1></div><div class="article_info"><div class="article_c_info"> 作者：Monodyee | 2024-05-30 08:28:46</div><div class="article_click" style="width: 140px;"><p class="operation-b-img operation-b-img-active"><i class="img-up txclick" attc="upclick" attn="0"></i><span class="num"> 赞</span></p><p class="operation-b-img operation-b-img-active"><i class="img-down txclick" attc="downclick" attn="0"></i><span class="num">踩</span></p></div></div><div class="article_intro">zynq dma fpga</div><div class="article_content article_contentheight"> <link rel="stylesheet" href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/editerView/kdoc_html_views-1a98987dfd.css"> <link rel="stylesheet" href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/editerView/ck_htmledit_views-044f2cf1dc.css"> <div id="content_views" class="markdown_views prism-atom-one-dark"> <svg xmlns="http://www.w3.org/2000/svg" style="display: none;"> <path stroke-linecap="round" d="M5,0 0,2.5 5,5z" id="raphael-marker-block" style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0);"></path> </svg> <ol><li> <p>基础知识<br> 1.1 官方参考资料<br> pg021（axi_dma）<br> ug585</p> </li><li> <p>例程</p> </li></ol> <p>2.1 环路测试（PS：zynq + PL：axi_dma+fifo）</p> <p>ZYNQ基础系列（六） DMA基本用法<br> <a href="https://blog.csdn.net/long_fly/article/details/79702222#commentBox">https://blog.csdn.net/long_fly/article/details/79702222#commentBox</a><br> Zynq PS_PL间通信学习（一） AXI_DMA_LOOP测试<br> <a href="https://blog.csdn.net/weisili2000_2000/article/details/84850090">https://blog.csdn.net/weisili2000_2000/article/details/84850090</a></p> <p>【总结】</p> <ol><li>sdk和vivado联合调试，在vivado中设置好触发条件，在sdk中单步执行，观察波形。（分析dma的axi时序，axis时序）</li><li>sdk中看memory，找到dma收发数据地址，看到收发数据</li><li>sdk中看memory，找到dma寄存器基地址，看到register，具体说明见pg021中关于register</li><li>整个流程：.c文件中产生待tx数据–>dcache刷到ddr中–>启动dma收发–>ddr中接收数据刷到dcache中</li></ol> <p>2.2 官方例程(pg021)(在PL端实现）<br> 【总结】</p> <ol><li>axi_dma的控制通过.v实现</li><li>axi_mm侧通过.v实现</li></ol> </div><div data-report-view="{"mod":"1585297308_001","spm":"1001.2101.3001.6548","dest":"https://blog.csdn.net/weixin_44712637/article/details/94739446","extend1":"pc","ab":"new"}"><div></div></div> <link href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/editerView/markdown_views-f23dff6052.css" rel="stylesheet"> <link href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/style-c216769e99.css" rel="stylesheet"> 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