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公交車自動報站系統(tǒng)(正文)(文件)

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【正文】 H,00H,00H,00H,00H,00H,00H,00H,0FH,0FFH,0FCH,0FH,0FFH,0FEH,07H,0FFH,0FEH,04H,44H,0CH。 文字: 村 。DB 01H,00H,06H,7FH,0FFH,0FEH,7FH,0FFH,0FEH,3FH,0FFH,0FCH,23H,00H,00H,03H,00H,00H,01H,00H,00H,00H,00H,00H。 此字體下對應的點陣為:寬x高=24x24 DB 00H,80H,00H,00H,80H,18H,00H,0A0H,18H,00H,0BFH,98H,38H,9FH,90H,3EH,87H,0B0H,1EH,81H,0F0H,0CH,0FFH,0E0H。DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H。 此字體下對應的點陣為:寬x高=24x24 DB 00H,80H,40H,00H,0C0H,40H,10H,0E0H,0FEH,18H,71H,0FEH,1CH,6FH,0FEH,1CH,7FH,82H,0DH,0F8H,02H,01H,80H,06H。 文字: 陽 。DB 08H,08H,10H,08H,08H,10H,08H,08H,10H,1FH,0FFH,0FCH,1FH,0FFH,0FCH,08H,00H,00H,00H,00H,00H,00H,00H,00H。 此字體下對應的點陣為:寬x高=24x24 DB 00H,00H,00H,00H,40H,10H,00H,40H,38H,00H,40H,30H,00H,40H,30H,00H,40H,20H,00H,40H,60H,3FH,0FFH,0FEH。 文字: 站 。DB 3FH,0FCH,08H,31H,04H,08H,01H,04H,08H,01H,0FH,0FEH,03H,0FH,0FCH,03H,04H,0CH,01H,80H,00H,00H,00H,00H。 文字: 北 。DB 00H,30H,04H,00H,60H,04H,00H,0C0H,04H,01H,0C0H,04H,01H,80H,0FCH,01H,80H,0FCH,00H,80H,1CH,00H,00H,00H。 此字體下對應的點陣為:寬x高=24x24 DB 02H,00H,00H,02H,00H,02H,02H,00H,02H,02H,00H,06H,02H,00H,0CH,02H,00H,18H,02H,00H,38H,02H,00H,0F0H。 文字: 醫(yī) 。DB 11H,84H,0E4H,11H,04H,0F4H,31H,84H,74H,30H,8CH,3CH,38H,0CH,0CH,18H,0CH,0EH,00H,04H,06H,00H,00H,00H。 此字體下對應的點陣為:寬x高=24x24 DB 00H,00H,1FH,1FH,1FH,11H,1FH,1FH,00H,00H,00H,00H,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0E0H,0C0H,0F8H,0C2H,3FH,0C2H。DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H。 此字體下對應的點陣為:寬x高=24x24 DB 00H,08H,02H,00H,08H,06H,00H,08H,7EH,0FH,0FFH,0F8H,0FH,0FFH,0E0H,7DH,8AH,04H,7DH,0EBH,0C4H,74H,0E9H,0C6HDB 2FH,0FFH,0FEH,0FH,0FFH,0FEH,0FH,0FFH,0FEH,02H,00H,1EH,02H,7FH,0FCH,02H,7FH,0F0H,32H,7FH,0C0H,3EH,20H,00H。 宋體18。DB 1FH,88H,40H,7FH,08H,40H,7CH,08H,40H,35H,0FFH,0FEH,25H,0FFH,0FEH,05H,0FFH,0FEH,04H,08H,40H,04H,08H,40H。 宋體18。END附錄Ⅱ 原器件清單序號名稱型號數(shù)量編號1單片機AT89C521U4238譯碼器74LS1383UUU73移位寄存器74HC5953UUU348x8LED點陣MARTIX8X8RED9M1~M988位電阻排(1KΩ)RESPACK81JP110晶振12MHz1Y111按鍵四腳5S1~S513電容30pF2C1~C214電容10uF1C315電阻 KΩ2RR316電阻1 KΩ5RR2~R517電阻200Ω1LS1附錄Ⅲ 原理圖附錄Ⅳ。DB 00H,0FFH,20H,03H,0B8H,20H,03H,20H,60H,01H,8FH,0FEH,00H,8FH,0FEH,00H,07H,0FEH,38H,04H,08H,3FH,0FCH,08H。 宋體18。DB 00H,80H,0F0H,00H,87H,0E0H,7FH,0FFH,0C0H,7FH,0FFH,00H,3FH,0FCH,00H,20H,0BFH,00H,00H,87H,80H,00H,81H,0E0H。 文字: 航 。DB 1CH,47H,0FCH,04H,0C7H,0FCH,05H,0CCH,04H,0FH,4CH,04H,0EH,0CH,7CH,04H,0CH,7CH,04H,00H,0CH,00H,00H,00H。 文字: 院 。 此字體下對應的點陣為:寬x高=24x24 DB 00H,00H,00H,00H,00H,02H,3FH,0FFH,0FEH,1FH,0FFH,0FEH,1FH,0FFH,0FCH,10H,1CH,0CH,10H,3CH,0CH,10H,0F4H,1CH。DB 02H,1FH,0FEH,02H,3FH,0FCH,02H,3FH,0C0H,02H,10H,00H,06H,00H,00H,06H,00H,00H,03H,00H,00H,00H,00H,00H。 文字: 方 。 此字體下對應的點陣為:寬x高=24x24 DB 00H,00H,00H,00H,40H,10H,00H,40H,38H,00H,40H,30H,00H,40H,30H,00H,40H,20H,00H,40H,60H,3FH,0FFH,0FEH。DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H。 此字體下對應的點陣為:寬x高=24x24 DB 00H,80H,00H,00H,80H,18H,00H,0A0H,18H,00H,0BFH,98H,38H,9FH,90H,3EH,87H,0B0H,1EH,81H,0F0H,0CH,0FFH,0E0H。DB 00H,30H,04H,00H,60H,04H,00H,0C0H,04H,01H,0C0H,04H,01H,80H,0FCH,01H,80H,0FCH,00H,80H,1CH,00H,00H,00H。 文字: 北 。 此字體下對應的點陣為:寬x高=24x24 DB 00H,00H,00H,00H,00H,00H,3FH,0FFH,0FEH,3FH,0FFH,0FEH,1FH,0FFH,0FEH,10H,40H,80H,13H,0E0H,0C0H,1FH,0B9H,0C0H。DB 02H,10H,04H,02H,00H,04H,02H,0C0H,04H,03H,0C0H,04H,03H,00H,0CH,03H,00H,7CH,00H,00H,7CH,00H,00H,00H。 文字: 沈 。DB 3FH,0FCH,08H,31H,04H,08H,01H,04H,08H,01H,0FH,0FEH,03H,0FH,0FCH,03H,04H,0CH,01H,80H,00H,00H,00H,00H。 文字: 站 。 此字體下對應的點陣為:寬x高=24x24 DB 00H,00H,20H,01H,00H,60H,01H,01H,0E0H,01H,0FH,80H,01H,7FH,00H,7FH,0FFH,0FFH,7FH,0FFH,0FFH,3FH,0FFH,0FEH。DB 0FH,0FDH,8CH,0FH,0FFH,0CH,04H,07H,0EH,00H,03H,06H,00H,01H,06H,00H,00H,04H,00H,00H,04H,00H,00H,00H。 文字: 良 。 此字體下對應的點陣為:寬x高=24x24 DB 00H,00H,00H,00H,00H,04H,00H,00H,04H,08H,00H,04H,08H,00H,04H,08H,7FH,0FCH,08H,7FH,0FCH,08H,7FH,0FCH。 ,0DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH。導師的言傳身教讓我銘記在心,必會導航我今后的人生道路,謹此向滕老師表示誠摯的感謝。有點缺憾是時間有限,不能進一步深入和擴散學習和研究。三,本文列出了系統(tǒng)具體的硬件設計方案,硬件結構電路圖,軟件流程圖和具體匯編語言程序設計與調(diào)試等方面。并且通過對單片機資料的查閱和應用,更進一步增加了對單片機知識的理解和運用能力??偨Y 本設計的是一個公交車報站24x24的點陣LED顯示屏,能夠在目測條件下LED顯示屏各點亮度均勻、充足,可顯示圖形和文字,顯示圖形和文字應穩(wěn)定、清晰無串擾。在公交車上,經(jīng)常有誤報站的現(xiàn)象,在早晚高峰期,公交車內(nèi)擁擠,環(huán)境噪聲大,語音報站往往聽不清楚,影響報站,車箱內(nèi)的喇叭分布不均勻也容易造成乘客聽不清報站。Proteus仿真如圖20所示。在Proteus ISIS中,選中AT89C51并單擊鼠標左鍵,對AT89C51進行設置,設置單片機時鐘頻率為12MHz。當?shù)贸龉收显蚝?,仔細檢查電路,用萬用表對焊點逐個檢測,最終檢測出來是第六列與電源線相連接才導致整個硬件電路出現(xiàn)故障。1. 時常焊錯點陣屏管腳是因為點陣屏的管腳號和功能號是不對應的,所以先仔細查看資料,然后用萬能表點個測量,確定各個管腳所對應的功能號,并做相應的記號以防焊接錯誤。下面為設計過程中遇到的主要問題:1. 焊接2424 LED點陣屏時管腳焊接錯誤。按鍵四的程序流程圖如圖18所示。當按第四次時,又恢復到第一個站名,接著依次類推,是一個循環(huán)的過程。根據(jù)硬件電路,當按鍵沒有按下時,接按鍵的單片機接口處于高電平狀態(tài)。 2*R7 DJNZ R6,DELAY。利用以上三條指令的組合就可以比較精確地編寫出所需要的延時程序。 (2)空操作指令 NOP 空操作指令功能只是讓單片機執(zhí)行沒有意義的操作,消耗一個機器周期。 (1)數(shù)據(jù)傳送指令 MOV 數(shù)據(jù)傳送指令功能是將數(shù)據(jù)從一個地方復制、拷貝到另一個地方。在弄清延時程序指令的用法之前,要清楚的了解延時程序的基本概念,機器周期和指令周期的區(qū)別和聯(lián)系、相關指令的用法等。系統(tǒng)初始化開始數(shù)據(jù)清零、顯示字數(shù),賦字模初地址判斷按鍵和按鍵處理片選和列控制字賦初值調(diào)行數(shù)據(jù)傳送子程序掃描列使能延時子程序八列掃描完N取下一幀首地址字模地址改變24列掃描和數(shù)據(jù)傳輸完掃描次數(shù)到顯示字數(shù)到YNNNYYY圖16 主流程序圖 行數(shù)據(jù)傳輸子程序設計DPTR置數(shù)據(jù)表地址的基值,R2作地址指針,以兩者之和查找相應的數(shù)據(jù),R2的初值為0,當DPTR為表首地址時,在子程序的循環(huán)中R2從0加到3,取出顯示一列字符的全部字節(jié)并與列掃描配合逐列顯示,完成一幀掃描的全部操作。最終點陣屏在視覺上的顯示效果是“沈”字慢慢向左邊移動,如圖15所示。原第二列由上到下排列,為1滅,2滅,3滅,4滅,5滅,7滅,8滅,9滅,10亮,1124滅。00H,7CH,00H,00H,04H,00H,00H,00H;豎直方向掃描圖13 2424點陣顯示字體 2424點陣LED顯示屏左跑馬顯示原理如果要在2424點陣屏以左跑馬的方式顯示以字體,則需以以下方式進行顯示。接著再顯示左邊部分的第一列的Q~X,從圖上可以看出Q~X都為滅,即二進制00000000轉換為16進制為00H。A—H全是滅的。我們以顯示漢字的89C51單片機控制,由于單片機的總線為8位一個字
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