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<p class=MsoNormal align=center style='text-align:center;line-height:150%;
word-break:break-all'><span lang=EN-US style='font-size:9.0pt;line-height:
150%'>ADI DSP</span><span style='font-size:9.0pt;line-height:150%'>開發相關知識介紹<span
lang=EN-US><o:p></o:p></span></span></p>
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<p class=MsoNormal align=center style='text-align:center;line-height:150%;
word-break:break-all'><span style='font-size:9.0pt;line-height:150%'>作者：<span
lang=EN-US>61IC </span>文章來源：本站原創<span lang=EN-US> </span>點擊數：<span
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</script> </span>更新時間：<st1:chsdate IsROCDate="False"
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lang=EN-US>2007-1-21</span></st1:chsdate><span lang=EN-US> <a
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<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'>1.</span><span style='font-size:9.0pt'>什么是<span
lang=EN-US>ADI DSP</span>，有什么特點，有些什么型號？<span lang=EN-US> ADI</span>的全稱是<span
lang=EN-US>Analog Device Inc</span>（美國模擬器件有限公司）。<span lang=EN-US>ADI DSP</span>是美國模擬器件公司推出的<span
lang=EN-US>dsp</span>的統稱，相對與<span lang=EN-US>ti</span>公司的<span lang=EN-US>dsp</span>系列，具有內部<span
lang=EN-US>mem</span>較大，多片協同工作能力強等優點，具體可查閱<span lang=EN-US>ADI</span>公司<span
lang=EN-US>http://www.analog.com </span>主要有以下幾個系列的<span lang=EN-US>DSP:
a)21xx</span>系列：<span lang=EN-US>16</span>位定點<span lang=EN-US>dsp</span>，主要以<span
lang=EN-US>218x</span>和<span lang=EN-US>219x</span>系列為代表，性能優異，內部<span
lang=EN-US>RAM</span>大，外圍接口多，適合作為控制類芯片使用，其中<span lang=EN-US>219x</span>系列性能更高。<span
lang=EN-US> b)SHARC</span>系列：<span lang=EN-US>32</span>位浮點<span lang=EN-US>dsp</span>，包括前期的<span
lang=EN-US>2106x</span>系列，和目前的主力<span lang=EN-US>21160,21161</span>系列，提供與大內存容量結合的簡單浮點算法，具有高水平的浮點性能。<span
lang=EN-US> c)TigerSHARC</span>系列：從<span lang=EN-US>SHARC</span>系列發展而來，比<span
lang=EN-US>SHARC</span>具有更高的浮點運算功能，目前有<span lang=EN-US>TS101,TS201</span>兩個系列。<span
lang=EN-US> d)blackfin</span>系列：<span lang=EN-US>ADI</span>最新推出的一款<span
lang=EN-US>dsp</span>，是高性能<span lang=EN-US>16</span>位<span lang=EN-US>DSP</span>信號處理能力與通用微控制器使用方便的性能結合。主要型號有<span
lang=EN-US>BF531,BF532,BF533,BF535</span>等型號。 除此外還有<span lang=EN-US>21065</span>是一種混合<span
lang=EN-US>DSP</span>，可以作為<span lang=EN-US>32bit</span>的定點運算，也可以設定作為<span
lang=EN-US>32bit</span>或是<span lang=EN-US>40bit</span>的浮點運算。 <span
lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'>2.</span><span style='font-size:9.0pt'>如何進行<span
lang=EN-US>ADI DSP</span>的開發工作？需要建立一套開發環境：（軟件<span lang=EN-US>VISUAL DSP++</span>）
＋ （仿真器） ＋ 目標板（或評估板）<span lang=EN-US>.</span>若只進行算法開發，有<span lang=EN-US>visual
dsp</span>集成開發環境即可。以上一套<span lang=EN-US>ADI</span>開發工具公司高校計劃的優惠價為<span
lang=EN-US>$1200</span>。還有單獨<span lang=EN-US>USB</span>方式的仿真器現在對于國內的優惠價格是<span
lang=EN-US>$750(</span>美金）。<span lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'>3.ADI DSP</span><span style='font-size:9.0pt'>的軟件集成開發環境如何？集成開發環境<span
lang=EN-US>visual dsp++.</span>目前已發展到<span lang=EN-US>3.5</span>版本<span
lang=EN-US>.</span>針對不同系列<span lang=EN-US>dsp</span>，<span lang=EN-US>visual
dsp</span>都有相應的軟件，均可在<span lang=EN-US>ADI</span>網站<span lang=EN-US>www.analog.com</span>上下載得到。在網站上可申請<span
lang=EN-US>testdriver</span>（測試版）的<span lang=EN-US>serial number</span>（該系列號以<span
lang=EN-US>TST</span>打頭），可以使用<span lang=EN-US>90</span>天試用期。<span lang=EN-US>90</span>天后需要重新安裝系統。關于<span
lang=EN-US>serial number </span>有幾種：<span lang=EN-US> tst</span>打頭的： 是測試版的系列號，一般可以使用<span
lang=EN-US>30</span>天、<span lang=EN-US>60</span>天、<span lang=EN-US>90</span>天、<span
lang=EN-US>255</span>天等幾種；<span lang=EN-US> adi</span>打頭的：是正版系列號，可以用這個號碼最終到<span
lang=EN-US>ADI</span>網站進行注冊，一般一個號碼僅可以在一臺電腦上運行的。<span lang=EN-US> kit</span>打頭的：是適用于用于評估芯片的評估板的系列號，在應用時對于芯片的內存等方面有一些限制。
注意：當你拿到<span lang=EN-US>testdriver</span>的序列號時，先將系統時間改到<span lang=EN-US>n</span>年以后，注冊，最后再把時間改回來，這樣就可以使用較長的一段時間了。<span
lang=EN-US>ADI</span>公司得<span lang=EN-US>Visual DSP++</span>軟件在設計上進行了加密，據相關人士介紹，總共在硬盤上進行<span
lang=EN-US>7</span>處加密，一般情況下，很難被破解。 <span lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'>4.ADI DSP</span><span style='font-size:9.0pt'>的硬件開發環境如何？仿真器：仿真器的功能是實現代碼下載到目標板的<span
lang=EN-US>dsp</span>中，在線調試，斷點，觀察<span lang=EN-US>mem</span>，<span
lang=EN-US>REG</span>等，是<span lang=EN-US>DSP</span>開發中不可缺少的東西。目前<span
lang=EN-US>ADI</span>的仿真器在國內沒有第三方開發，只能購買原裝的，優點是質量可以得到保證，但一旦仿真器損壞，返修會耗費較長的一段時間。<span
lang=EN-US>ADI</span>得開發工具有集中型號的：<span lang=EN-US>PCI</span>板卡方式的、<span
lang=EN-US>USB</span>方式的。評估板：每種<span lang=EN-US>DSP</span>系列都有對應的評估板，評估板的原理圖可以稱為該款<span
lang=EN-US>dsp</span>硬件設計的典范，可以根據該評估 板的設計原理圖進行設計，很多地方可以完全照搬，真的很方便。擁有評估板可以使新手更快地掌握該型號的<span
lang=EN-US>DSP</span>。 <span lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'>5.</span><span style='font-size:9.0pt'>如何得到<span
lang=EN-US>ADSP</span>開發的相關資料？針對<span lang=EN-US>dsp</span>芯片：每款<span
lang=EN-US>dsp</span>都有硬件手冊和指令集，建議開發者詳細閱讀。針對<span lang=EN-US>visual dsp</span>開發環境：如果有購買正版軟件，將有一些關于<span
lang=EN-US>visual dsp</span>的<span lang=EN-US>assembly</span>，<span
lang=EN-US>compiler</span>，<span lang=EN-US>linker</span>，<span lang=EN-US>loader</span>的書籍附送，建議詳細閱讀。該資料都可以從<span
lang=EN-US>adi</span>網站上下載到<span lang=EN-US>pdf</span>文檔。針對硬件開發：每款<span
lang=EN-US>dsp</span>對應評估板的原理圖是絕對值得參考的，在評估板附帶的光盤或<span lang=EN-US>adi</span>網站上有評估板的說明書。另外硬件手冊也需要吃透。其他：<span
lang=EN-US>www.analog.com</span>上有<span lang=EN-US>Technical Library</span>模塊，是非常好的參考資料。
<span lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal style='word-break:break-all'><span lang=EN-US
style='font-size:9.0pt'>6.</span><span style='font-size:9.0pt'>如何高效地進行<span
lang=EN-US>ADSP</span>的開發工作？<span lang=EN-US> a)</span>仔細閱讀硬件手冊和指令集<span
lang=EN-US> b)</span>查閱<span lang=EN-US>adi</span>網站上的<span lang=EN-US>Technical
Library</span>模塊，其中的<span lang=EN-US>application notes</span>和<span
lang=EN-US>code examples</span>很有用<span lang=EN-US> c)</span>咨詢代理商或<span
lang=EN-US>adi</span>技術支持<span lang=EN-US> d)</span>在<span lang=EN-US>dsptech</span>版面上發文詢問<span
lang=EN-US> e)</span>在<span lang=EN-US>google</span>的<span lang=EN-US>comp.dsp</span>模塊求助，老外有很多做<span
lang=EN-US>adsp</span>的，相對國內要少得多。<span lang=EN-US><o:p></o:p></span></span></p>
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