VIVADO下ILA使用規(guī)范指南規(guī)范.doc

1、VIVADO 下ILA 使用指南ILA是VIVADO下的一個(gè)DEBUG- IP ,類似于片上邏輯分析儀，通過在 RTL設(shè)計(jì) 中嵌入ILA核，可以抓取信號(hào)的實(shí)時(shí)波形，幫助我們定位問題。本文檔以一個(gè)簡單的 COUNTER設(shè)計(jì)為例，對VIVADO (2014.1)下ILA核的使用進(jìn)行說明。第一部分RTL設(shè)計(jì)module counter(input clk, output 3:0 q );wire clk;/想抓取cnt信號(hào)進(jìn)行觀察(* keep = TRUE *)reg 3:0 cnt = 4d0;assign q = cnt;always(posedge clk) begincnt . . 0 )

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3、r o t ton g176 t mrs 11在“component Name ”可以修改例化名,在“Number of Prober ”可以修改想抓取信號(hào) 的分組個(gè)數(shù)，在本例中僅觀察1組信號(hào)cnt,在“sample Data Depth ”可以修改抓取信 號(hào)的深度，本例選擇默認(rèn)值1024。其他選項(xiàng)保持默認(rèn)值。第二頁input clk, output 3:0 q );wire clk;/想抓取cnt信號(hào)進(jìn)行觀察(* keep = TRUE *)reg 3:0 cnt = 4d0;assign q = cnt;always(posedge clk) begincnt Then c&nfisure

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6、Yoli can optionally select a debug probes file that corresponds to the debug cores contained in the bitstream prcgramMing file.Bitstreat file: |E:/TEST/debug_test_14_l/test. runs/test. blt| - Debua Probes file: IE:/TEST/debug_test_14_l/test. runs/inpl_l/debug_nets. Its -Pro,., Cancel點(diǎn)擊Pro.開始下載下載完成，v

7、ivado界面發(fā)生變化打開window菜單欄，選擇 Debug Probes選項(xiàng)，界面會(huì)多出一個(gè) Debug Probes窗口將需要觀察的信號(hào)cnt信號(hào)“拖入”右側(cè)的Basic Trigger Setup窗口在這個(gè)界面中可以修改觸發(fā)條件（cnt=2）,觸發(fā)深度（1024）,觸發(fā)位置（500）等參數(shù)（類似于 chipscope ）ILA Prayer Uvslode 5eftinsi=CaptureHod* SettingsTrigfer Capture StitmA 口上Cere status;Idlti尸re-TiqehWaiitiih% f-r Trigger iVirvisw 1 Qf 1VLndtiv sarafde 0 of 1024 Total suple *0 匚，iri + 】b* C t 3S tl IC - .- - - .S r11Tl. 二jlIjJCapturenoidc:luiber M nind”1B3.3 ic t ri E.ger Selqp X X1 - JIInJow J3ta dtptti:.rlfigev p&slticn in TliHkv: 1