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PC-Parallel port Interfacing text-lab manual (2nd edition)

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¡ÒÃ¹íÒ¾ÍÃ µ¢¹Ò¹ä»ãª §Ò¹ ÊíÒËÃÑº¾ÍÃ µ¢¹Ò¹áººÁÒµÃ°Ò¹ ¼Ùã ª §Ò¹ÊÒÁÒÃ¶¹íÒ¾ÍÃ µÍÔ¹¾Øµ 5 ºÔµ (¾ÍÃ µ Status) ¾ÍÃ µàÍÒµ ¾µØ 4 ºÔµ (¾ÍÃ µ Control) áÅÐ¾ÍÃ µàÍÒµ ¾µØ ÍÕ¡ 8 ºÔµ (¾ÍÃ µ Data) ä»ãª §Ò¹ä´ â´ÂµÃ§ â´Â·Õè 4 ºÔµ¢Í§¾ÍÃ µàÍÒµ ¾ØµËÃ×Í¾ÍÃ µ Control ¹Ñé¹ÊÒÁÒÃ¶´Ñ´á»Å§ãË ãª §Ò¹à» ¹ ¾ÍÃ µÍÔ¹¾Øµ¢¹Ò´ 4 ºÔµä´ ´Ç Â´Ñ§¹Ñ¹é ¼Ùã ª §Ò¹¨Ö§ÊÒÁÒÃ¶¹íÒÊÑÒ³¨Ò¡¾ÍÃ µ¢¹Ò¹·ÕÁè ÁÕ Ò¡¶Ö§ 17 àÊ ¹ä»ãª §Ò¹ã¹¡ÒÃ¤Çº¤ØÁâ´Âãª ÃÐ´ÑºÊÑÒ³ TTL

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 15

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 16

º··Õè 2 ¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁ µÔ´µ Í¡Ñº¾ÍÃ µ¢¹Ò¹ ¾ÍÃ µ¢¹Ò¹¢Í§¤ÍÁ¾ÔÇàµÍÃ ¨ÐÁÕÅ¡Ñ É³Ðàª ¹à´ÕÂÇ¡ÑºÍØ»¡Ã³ Í¹Ô ¾ØµàÍÒµ ¾µØ µÑÇÍ×¹è æ ¤×Í àÁ×Íè µ Í§¡ÒÃµÔ´µ Í¨Ðµ Í§¡íÒË¹´áÍ´à´ÃÊ·Õµè Í §¡ÒÃµÔ´µ Í´ ÇÂ µÒÃÒ§·Õè 2-1 áÊ´§áÍ´à´ÃÊ¢Í§¾ÍÃ µ ¢¹Ò¹ â´Âáº §ÍÍ¡à» ¹ 3 µíÒáË¹ §¤×Í áÍ´à´ÃÊ¢Í§ÃÕ¨ÔÊàµÍÃ Data , ÃÕ¨ÔÊàµÍÃ Status áÅÐ ÃÕ¨ÊÔ àµÍÃ Control â´ÂáÍ´à´ÃÊ¹Õ¨é ÐÁÕÍÂÙ· §Ñé ËÁ´ 3 ªØ´ ÊíÒËÃÑº¾ÍÃ µ¢¹Ò¹ 3 ªØ´¤×Í LPT1, LPT2 áÅÐ LPT3 àÁ×èÍµ Í§¡ÒÃµÔ´µ Í¡Ñº¾ÍÃ µ¢¹Ò¹ã¹µíÒáË¹ §ã´ ¡çãË Ê §¤ Ò¢ ÍÁÙÅÍÍ¡ä»·Õè¾ÍÃ µ¢¹Ò¹ã¹ µíÒáË¹ §¹Ñ¹é æ Â¡µÑÇÍÂ Ò§¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁ´ ÇÂ QBASIC à¾×èÍÊ §¤ ÒÅÍ¨Ô¡ 1 ÍÍ¡ä»·Ø¡ºÔµ ¢Í§¾ÍÃ µ Data ¢Í§ LPT1 ¨Ðµ Í§à¢ÕÂ¹â»Ãá¡ÃÁ´Ñ§¹Õé OUT

&H378,&HFF

â´Â·Õè à¤Ã×Íè §ËÁÒÂ &H ·Õáè Ê´§¹Ñ¹é ËÁÒÂ¶Ö§µÑÇàÅ¢°Ò¹ÊÔºË¡ ¤íÒÊÑ§è

OUT

à» ¹¡ÒÃÊ §¤ Ò¢ ÍÁÙÅÍÍ¡àÍÒµ ¾µØ ¢Í§¾ÍÃ µÍÔ¹¾ØµàÍÒµ ¾µØ

¤ Ò 378 à» ¹áÍ´à´ÃÊ¢Í§ÃÕ¨ÊÔ àµÍÃ Data ÊíÒËÃÑº LPT1 ¤ Ò¢ ÍÁÙÅ FF à» ¹¢ ÍÁÙÅàÅ¢°Ò¹ÊÔºË¡ «Öè§ËÁÒÂ¶Ö§¡ÒÃãË ºÔµ·Ø¡ºÔµ¢Í§ÃÕ¨ÔÊàµÍÃ Data ÁÕ ÅÍ¨Ô¡à» ¹ 1 ¹Ñ¹è àÍ§ Ê Ç¹¡ÒÃÍ Ò¹¤ Ò¨Ò¡¾ÍÃ µ¢¹Ò¹ÁÒÂÑ§¤ÍÁ¾ÔÇàµÍÃ ¼ Ò¹·Ò§¾ÍÃ µ Status ¢Í§ LPT1 ÊÒÁÒÃ¶à¢ÕÂ¹â»Ãá¡ÃÁ´ ÇÂ QBASIC ä´ ´§Ñ ¹Õé ª×Íè ¾ÍÃ µ

LPT1

LPT2

LPT3

°Ò¹ÊÔº

°Ò¹ÊÔºË¡

°Ò¹ÊÔº

°Ò¹ÊÔºË¡

°Ò¹ÊÔº

°Ò¹ÊÔºË¡

DATA

888

378H

956

3BCH

632

278H

STATUS

889

379H

957

3BDH

633

279H

CONTROL

890

37AH

958

3BEH

634

27AH

µÒÃÒ§·Õè 2-1 áÊ´§áÍ´à´ÃÊ¢Í§¾ÍÃ µ¢¹Ò¹ àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 17

Temp =

â´Â·Õè ¤íÒÊÑ§è

INP(&H379)

INP(_)

à» ¹¤íÒÊÑ§è ÊíÒËÃÑº¡ÒÃÍ Ò¹¤ Ò¢ ÍÁÙÅ

¤ Ò 379 à» ¹µíÒáË¹ §áÍ´à´ÃÊ¢Í§ÃÕ¨ÊÔ àµÍÃ STATUS ÊíÒËÃÑº LPT1 ã¹µÑÇàÅ¢°Ò¹ÊÔºË¡ µÑÇá»Ã

Temp

à» ¹µÑÇá»Ã·Õãè ª à¡çº¢ ÍÁÙÅ·ÕÍè Ò ¹ä´ ¨Ò¡¾ÍÃ µ¢¹Ò¹

ÊíÒËÃÑºâ»Ãá¡ÃÁÍ×¹è æ àª ¹ áÍÊà«ÁºÅÕ,é à·ÍÃ âº»ÒÊ¤ÒÅ ËÃ×Íà·ÍÃ âº«Õ ¨ÐÁÕÃ»Ù áºº¡ÒÃ à¢ÕÂ¹â»Ãá¡ÃÁ·Õèáµ¡µ Ò§¡Ñ¹º Ò§´Ñ§¹Õé

áÍÊà«ÁºÅÕé ¡ÒÃÊ §¤ Ò¢ ÍÁÙÅÍÍ¡ä»ÂÑ§¾ÍÃ µ¢¹Ò¹ mov dx,378h mov al,ffh out dx,al

¡ÒÃÍ Ò¹¤ Ò¢ ÍÁÙÅ¨Ò¡¾ÍÃ µ¢¹Ò¹ mov dx,379h in al,dx

à·ÍÃ âº»ÒÊ¤ÒÅ ¡ÒÃÊ §¤ Ò¢ ÍÁÙÅÍÍ¡ä»ÂÑ§¾ÍÃ µ¢¹Ò¹ Port[378H] := FFH

¡ÒÃÍ Ò¹¤ Ò¢ ÍÁÙÅ¨Ò¡¾ÍÃ µ¢¹Ò¹ Temp := Port[379H]

à·ÍÃ âº«Õ ¡ÒÃÊ §¤ Ò¢ ÍÁÙÅÍÍ¡ä»ÂÑ§¾ÍÃ µ¢¹Ò¹ outportb

(0x378,0xff)

¡ÒÃÍ Ò¹¤ Ò¢ ÍÁÙÅ¨Ò¡¾ÍÃ µ¢¹Ò¹ temp = inportb(0x379)

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¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁµÔ´µ Í¡Ñº¾ÍÃ µ¢¹Ò¹´ ÇÂ Visual BASIC ¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁ´ ÇÂ Visual BASIC ªØ´¤íÒÊÑ§è Ê Ç¹ãË ¨ÐÁÕÃ»Ù áººã¡Å à¤ÕÂ§¡Ñº QBASIC áµ Visual BASIC ¨ÐäÁ Á¤Õ Òí ÊÑ§è ÊíÒËÃÑº¡ÒÃµÔ´µ Í¡Ñº¾ÍÃ µâ´ÂµÃ§¤×Í ¤íÒÊÑ§è Inp() áÅÐ¤íÒÊÑ§è OUT àËÁ×Í¹¡Ñº QBASIC ´Ñ§¹Ñ¹ é à¾×Íè ãË ÊÒÁÒÃ¶µÔ´µ Í¡Ñº¾ÍÃ µ¢¹Ò¹ä´ ¨§Ö ¨íÒà» ¹µ Í§à¾ÔÁè â»Ãá¡ÃÁ ºÒ§µÑÇà¢ Òä» â´Ââ»Ãá¡ÃÁ·Õàè ¾ÔÁè à¢ Òä»¹Õ¨é ÐÍÂÙã ¹ÃÙ»¢Í§ DLL (Dynamic Linked Library) ä¿Å DLL ¹Õ·é ¹Õè Òí ÁÒá¹Ð¹íÒã¹Ë¹Ñ§Ê×ÍàÅ Á¹Õ¤é Í× io.dll â´ÂÊÒÁÒÃ¶ãª ä´ ¡ºÑ ÃÐºº»¯ÔºµÑ ¡Ô ÒÃ ·Õàè » ¹ 32 ºÔµ«Ö§è ¡ç¤Í× ÇÔ¹â´ÇÊ 95 ¢Ö¹é ä» «Ö§è ¡ç¤Í× ÇÔ¹â´ÇÊ 95/98/ME/2000/NT/XP ÊíÒËÃÑºµíÒáË¹ §·Õãè ª à¡çºä¿Å io.dll ¹Ñ¹é ¨Ðµ Í§à¡çºäÇ ·äÕè ´àÃ¡µÍÃÕè SYSTEM «Ö§è ÍÂÙÀ ÒÂ ã¹ä´àÃ¡µÍÃÕ·è àÕè ¡çºâ»Ãá¡ÃÁÇÔ¹â´ÇÊ â´ÂÊ Ç¹ãË ¨ÐÁÕªÍ×è à» ¹ Windows ¡ÒÃ¡íÒË¹´¤ Òã¹â»Ãá¡ÃÁà¾×Íè àÃÕÂ¡ãª §Ò¹ä¿Å DLL ÁÕÃ»Ù áºº¡ÒÃ¡íÒË¹´¤ Ò´Ñ§¹Õé Public Declare Function Inp Lib “io.dll” _ Alias “PortIn” (ByVal PortAddress As Integer) As Byte Public Declare Sub Out Lib “io.dll” _ Alias “PortOut” (ByVal PortAddress As Integer, ByVal Value As Byte)

àÁ×Íè ÁÒ¶Ö§µÃ§¹Õé ÍÒ¨à¡Ô´¤íÒ¶ÒÁ¢Ö¹é Ç Ò ·íÒäÁäÁâ¤Ã«Í¿µ ¼¾Ù ² Ñ ¹Ò«Í¿µ áÇÃ Visual BASIC ¨Ö§äÁ ÃÇÁ¤íÒÊÑ§è Inp áÅÐ¤íÒÊÑ§è Out äÇ ã¹â»Ãá¡ÃÁ Visual BASIC à¹×Íè §¨Ò¡Ç Ò¡ÒÃà¢ÕÂ¹áÅÐÍ Ò¹ ¢ ÍÁÙÅä»ÂÑ§¾ÍÃ µËÃ×ÍË¹ ÇÂ¤ÇÒÁ¨íÒâ´ÂµÃ§¹Ñ¹é ÍÒ¨·íÒãË à¡Ô´ÁÕ» ËÒáÎ§¡ ËÃ×Í·íÒ§Ò¹¼Ô´¾ÅÒ´ä´ áÅÐ Visual BASIC à» ¹ÃÐºº»¯ÔºµÑ ¡Ô ÒÃ·Õ·è Òí §Ò¹º¹ÇÔ¹â´ÇÊ «§Öè ÁÕ¡ÒÃ·íÒ§Ò¹áººÁÑÅµÔ·ÒÃ Ê¡Ô§é (multitasking) ÁÕâ»Ãá¡ÃÁËÅÒÂæ µÑÇ·íÒ§Ò¹ÍÂÙ¾ Ã ÍÁ¡Ñ¹ ´Ñ§¹Ñ¹é àÁ×Íè à¡Ô´¤ÇÒÁàÊÕÂËÒÂ¡Ñºâ»Ãá¡ÃÁµÑÇË¹Ö§è ¡çÍÒ¨¨ÐÊ §¼ÅãË â»Ãá¡ÃÁ·Õ·è Òí §Ò¹ÍÂÙ· §Ñé ËÁ´àÊÕÂËÒÂä´ ¹Í¡¨Ò¡¹Õ¡é ÒÃà¢ÕÂ¹¢ ÍÁÙÅâ´ÂµÃ§ä»ÂÑ§ ¾ÍÃ µ ÍÒ¨¨Ðä»·Ñº« Í¹¡Ñºâ»Ãá¡ÃÁÍ×è¹æ ·ÕèÁÕ¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§¾ÍÃ µàª ¹à´ÕÂÇ¡Ñ¹ Ê §¼ÅãË â»Ãá¡ÃÁ·íÒ§Ò¹¼Ô´¾ÅÒ´ ÊíÒËÃÑºÃÐºº»¯ÔºµÑ ¡Ô ÒÃÇÔ¹â´ÇÊ 95 ¢Ö¹é ä» ¹Í¡¨Ò¡¨ÐÊÒÁÒÃ¶ãª §Ò¹ DLL ã¹¡ÒÃµÔ´µ Í ¡Ñº¾ÍÃ µâ´ÂµÃ§áÅ Ç ÂÑ§ÊÒÁÒÃ¶ãª §Ò¹â»Ãá¡ÃÁ»ÃÐàÀ· Visual Device Driver (Vxd) ã¹¡ÒÃ µÔ´µ Í¡ÑºÍØ»¡Ã³ Í¹Ô ¾ØµàÍÒµ ¾µØ â´Â Vxd ¨ÐµÑ´» ËÒàÃ×Íè §¡ÒÃà¢ Ò¶Ö§¾ÍÃ µ¾Ã ÍÁ¡Ñ¹¢Í§â»Ãá¡ÃÁ ËÅÒÂæ µÑÇä´ áµ ÊÒí ËÃÑºâ»Ãá¡ÃÁÊÑ¹é æ àª ¹ â»Ãá¡ÃÁÍ Ò¹¤ ÒÍØ³ËÀÙÁÔ â»Ãá¡ÃÁ¤Çº¤ØÁÍØ»¡Ã³ ÍÔ¹¾ØµàÍÒµ ¾µØ »¡µÔ«§Öè äÁ Á¡Õ ÒÃµÔ´µ Í¡Ñº¾ÍÃ µÍÂÙµ ÅÍ´àÇÅÒ ¤íÒÊÑ§è Inp áÅÐ Out ã¹ DLL ¡çÂ§Ñ ·íÒ§Ò¹ä´ ´ÕáÅÐÁÕÃÙ»áºº¡ÒÃãª §Ò¹·Õè§ ÒÂ¡Ç Ò

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ÃÒÂÅÐàÍÕÂ´à¾ÔÁè àµÔÁà¡ÕÂè Ç¡Ñº io.dll io.dll ¾Ñ²¹Ò¢Ö¹é â´Ââ»Ãá¡ÃÁàÁÍÃ ¹ÃÔ ¹ÒÁ·Õãè ª ªÍ×è Ç Ò Fred «Ö§è ÁÕ¤ÇÒÁàªÕÂè ÇªÒ´ Ò¹¡ÒÃ¾Ñ²¹Ò ÃÐºº¡ÒÃàª×Íè Áµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ºÑ ÍØ»¡Ã³ ÀÒÂ¹Í¡ â´Âä¿Å io.dll ¹Õ¼é àÙ ¢ÕÂ¹â»Ãá¡ÃÁà¼Âá¾Ã â´Â äÁ ¤´Ô ÁÙÅ¤ Ò «Ö§è ¼ÙÊ ¹ã¨ÊÒÁÒÃ¶´ÒÇ¹ âËÅ´àÇÍÃ ª¹Ñè ãËÁ ·ÍÕè Ò¨ÁÕä´ ·Õè http://www.geekhideout.com ä¿Å dll µÑÇ¹ÕÁé »Õ ÃÐâÂª¹ ÍÂ Ò§ÁÒ¡ÊíÒËÃÑº¹Ñ¡¾Ñ²¹Ò·Õµè Í §¡ÒÃµÔ´µ Í¡Ñº¾ÍÃ µÍÔ¹¾ØµàÍÒµ ¾µØ ¢Í§¤ÍÁ¾ÔÇàµÍÃ â´Âà©¾ÒÐÍÂ Ò§ÂÔ§è ¡Ñº¾ÍÃ µ¢¹Ò¹ã¹ÃÐºº»¯ÔºµÑ ¡Ô ÒÃÇÔ¹â´ÇÊ «Ö§è ã¹» ¨¨Øº¹Ñ ¡ÒÃ µÔ´µ Í¾ÍÃ µ¡ÃÐ·íÒä´ ÂÒ¡¢Ö¹é áµ ´Ç Â¡ÒÃãª ä¿Å dll µÑÇ¹Õ¨é Ðª ÇÂãË ÊÒÁÒÃ¶à¢ Ò¶Ö§áÅÐ¤Çº¤ØÁä´ §Ò Â áÅÐ·Ã§»ÃÐÊÔ·¸ÔÀÒ¾ io.dll ÊÒÁÒÃ¶ãª §Ò¹ä´ ¡ÑºÃÐºº»¯ÔºÑµÔ¡ÒÃÇÔ¹â´ÇÊ 95/98/2000/NT ËÃ×Í¡ÃÐ·Ñè§ XP ¨Ö§ª ÇÂÅ´àÇÅÒáÅÐ¢Ñ¹é µÍ¹ã¹¡ÒÃ¾Ñ²¹Òâ»Ãá¡ÃÁµÔ´µ Í¾ÍÃ µ·ÕÃè ¹Ñ º¹ÇÔ¹â´ÇÊ ä´ ÍÂ Ò§ÁÒ¡

¿ §¡ ª¹Ñè ·ÕÁè ÍÕ ÂÙã ¹ io.dll ãª Ê§ ¢ ÍÁÙÅ¢¹Ò´ 1 äºµ ä»ÂÑ§¾ÍÃ µ·Õ¡è Òí Ë¹´ PortWordOut ãª Ê§ ¢ ÍÁÙÅ 1 àÇÔÃ´ (16 ºÔµ) ä»ÂÑ§¾ÍÃ µ·Õ¡è Òí Ë¹´ PortDWordOut ãª Ê§ ¢ ÍÁÙÅ´ÑºàºÔÅàÇÔÃ´ (32 ºÔµ) ä»ÂÑ§¾ÍÃ µ·Õ¡è Òí Ë¹´ PortIn ãª ÍÒ ¹¢ ÍÁÙÅ¢¹Ò´ 1 äºµ ¨Ò¡¾ÍÃ µ·Õ¡è Òí Ë¹´ PortWordIn ãª ÍÒ ¹¢ ÍÁÙÅ 1 àÇÔÃ´ (16 ºÔµ) ¨Ò¡¾ÍÃ µ·Õ¡è Òí Ë¹´ PortDWordIn ãª ÍÒ ¹¢ ÍÁÙÅ´ÑºàºÔÅàÇÔÃ´ (32 ºÔµ) ¨Ò¡¾ÍÃ µ·Õ¡è Òí Ë¹´ SetPortBit ãª à«µ¢ ÍÁÙÅã¹ÃÐ´ÑººÔµ¢Í§¾ÍÃ µ·Õ¡è Òí Ë¹´ ClrPortBit ãª à¤ÅÕÂÃ ¢Í ÁÙÅã¹ÃÐ´ÑººÔµ¢Í§¾ÍÃ µ·Õ¡è Òí Ë¹´ NotPortBit ãª ¡ÅÑº¢ ÍÁÙÅã¹ÃÐ´ÑººÔµ¢Í§¾ÍÃ µ·Õ¡è Òí Ë¹´ GetPortBit ãª ÍÒ ¹Ê¶Ò¹Ð¢Í§ºÔµ·Õ¡è Òí Ë¹´ RightPortShift ãª àÅ×Í è ¹¢ ÍÁÙÅ¢Í§¾ÍÃ µä»·Ò§¢ÇÒ ¨Ðä´ ¤Ò ¢Í§ºÔµ LSB ¡ÅÑºÁÒ LeftPortShift ãª àÅ×Í è ¹¢ ÍÁÙÅ¢Í§¾ÍÃ µä»·Ò§« ÒÂ ¨Ðä´ ¤Ò ¢Í§ºÔµ MSB ¡ÅÑºÁÒ IsDriverInstalled ãª µÃÇ¨ÊÍº¡ÒÃµÔ´µÑ§é ä¿Å io.dll â´Â¶ ÒËÒ¡ÁÕ¡ÒÃµÔ´µÑ§é ä¿Å ¨Ðä´ ¤Ò 1 ËÃ×Í non-zero ¡ÅÑºÁÒ PortOut

µÑÇÍÂ Ò§¡ÒÃãª ä¿Å io.dll ã¹¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁ´ ÇÂÀÒÉÒµ Ò§æ ÁÕ´§Ñ ¹Õé

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 20

¡ÒÃãª §Ò¹ã¹ÀÒÉÒ C void PortOut(short int Port, char Data); void PortWordOut(short int Port, short int Data); void PortDWordOut(short int Port, int Data); char PortIn(short int Port); short int PortWordIn(short int Port); int PortDWordIn(short int Port); void SetPortBit(short int Port, char Bit); void ClrPortBit(short int Port, char Bit); void NotPortBit(short int Port, char Bit); short int GetPortBit(short int Port, char Bit); short int RightPortShift(short int Port, short int Val); short int LeftPortShift(short int Port, short int Val); short int IsDriverInstalled();

¡ÒÃãª §Ò¹ã¹ Delphi procedure PortOut(Port : Word; Data : Byte); procedure PortWordOut(Port : Word; Data : Word); procedure PortDWordOut(Port : Word; Data : DWord); function PortIn(Port : Word) : Byte; function PortWordIn(Port : Word) : Word; function PortDWordIn(Port : Word) : DWord; procedure SetPortBit(Port : Word; Bit : Byte); procedure ClrPortBit(Port : Word; Bit : Byte); procedure NotPortBit(Port : Word; Bit : Byte); function GetPortBit(Port : Word; Bit : Byte) : WordBool; function RightPortShift(Port : Word; Val : WordBool) : WordBool; function LeftPortShift(Port : Word; Val : WordBool) : WordBool; function IsDriverInstalled : Boolean;

¡ÒÃãª §Ò¹ã¹ Visual BASIC Private Declare Sub PortOut Lib “IO.DLL” (ByVal Port As Integer, ByVal Data As Byte) Private Declare Sub PortWordOut Lib “IO.DLL” (ByVal Port As Integer, ByVal Data As Integer) Private Declare Sub PortDWordOut Lib “IO.DLL” (ByVal Port As Integer, ByVal Data As Long)

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Private Declare Function PortIn Lib “IO.DLL” (ByVal Port As Integer) As Byte Private Declare Function PortWordIn Lib “IO.DLL” (ByVal Port As Integer) As Integer Private Declare Function PortDWordIn Lib “IO.DLL” (ByVal Port As Integer) As Long Private Declare Sub SetPortBit Lib “IO.DLL” (ByVal Port As Integer, ByVal Bit As Byte) Private Declare Sub ClrPortBit Lib “IO.DLL” (ByVal Port As Integer, ByVal Bit As Byte) Private Declare Sub NotPortBit Lib “IO.DLL” (ByVal Port As Integer, ByVal Bit As Byte) Private Declare Function GetPortBit Lib “IO.DLL” (ByVal Port As Integer, ByVal Bit As Byte) As Boolean Private Declare Function RightPortShift Lib “IO.DLL” (ByVal Port As Integer, ByVal Val As Boolean) As Boolean Private Declare Function LeftPortShift Lib “IO.DLL” (ByVal Port As Integer, ByVal Val As Boolean) As Boolean Private Declare Function IsDriverInstalled Lib “IO.DLL” As Boolean

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2.3 á¡ ä¢â»Ãá¡ÃÁ¢Í§ Command2_Click à» ¹ Private Sub Command1_Click() Out &H37A, &HB End Sub

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+12V

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Private Sub Command1_Click(Index As Integer) Out &H378, Inp(&H378) Xor 2 ^ Index End Sub

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Private Sub Command1_Click(Index As Integer) Out &H378, Inp(&H378) Xor 2 ^ Index If (Inp(&H378) And 2 ^ Index) = 2 ^ Index Then Command1(Index).Caption = “ON” Else Command1(Index).Caption = “OFF” End If End Sub

4.7 ¡ÒÃãª ¤Òí ÊÑ§è IF THEN à¾×Íè µÃÇ¨ÊÍº¤ Ò¢Í§ÅÍ¨Ô¡¢Í§ºÔµáµ ÅÐºÔµÇ ÒÁÕ¤Ò à» ¹ 1 ËÃ×ÍäÁ ¶ ÒÁÕ¤ Òà» ¹ 1 ¡çãË ¢ Í¤ÇÒÁ·Õè»Ø Á Command1 áÊ´§¤íÒÇ Ò ON áµ ¶ ÒºÔµ¹Ñé¹ÁÕÅÍ¨Ô¡à» ¹ 0 ¢ Í¤ÇÒÁ·Õè Command1 ã¹µíÒáË¹ §·Õ¡è Òí Ë¹´¨ÐáÊ´§¤íÒÇ Ò OFF 4.8 ¹Í¡¨Ò¡¹Õ¡é Í ¹¡ÒÃÃÑ¹â»Ãá¡ÃÁãË ·Òí §Ò¹ µ Í§¡íÒË¹´¤ ÒÃÕàÅÂ ãË OFF ·Ñ§é ËÁ´¡ Í¹â´Â¡ÒÃ ÃÐºØ¤Òí ÊÑ§è Å§ã¹ Form1 ´Ñ§¹Õé Private Sub Form_Load() Out &H378, 0 End Sub

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¡ÒÃ·´ÅÍ§·Õè 5 ¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ áºº 1 à¿Ê à¤Ã×èÍ§Á×ÍáÅÐÍØ»¡Ã³ 1. ºÍÃ ´àª×Íè Áµ Í¾ÍÃ µ¢¹Ò¹ P-Board 1 á¼ ¹ 2. EX-05 ºÍÃ ´¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ 1 á¼ ¹ 3. ¤ÍÁ¾ÔÇàµÍÃ ·µÕè ´Ô µÑ§é ÃÐºº»¯ÔºµÑ ¡Ô ÒÃÇÔ¹â´ÇÊ áÅÐ Visual BASIC ÍÂ Ò§¹ ÍÂàÇÍÃ ª¹Ñ 5.0 4. áËÅ §¨ ÒÂä¿µÃ§ +12V 2A ËÃ×ÍÁÒ¡¡Ç Ò 1 à¤Ã×Íè § 5. Êàµç»à»ÍÃ ÁÍàµÍÃ áººÂÙ¹âÔ ¾Å ÒÃ ¢¹Ò´ 12V 100Ω 7.5 Í§ÈÒµ ÍÊàµç» ËÃ×Í´Õ¡Ç Ò 1 µÑÇ 6. ÊÒÂàª×Íè Áµ Í IDC-10

1 àÊ ¹

¡ÒÃ·´ÅÍ§ ÃÙ»áºº¡ÒÃ¢Ñºáºº 1 à¿Ê¨Ò¡ã¹µÒÃÒ§·Õè 5-1 ¢Í§Ê Ç¹·ÄÉ®Õ àÁ×Íè á»Å§à» ¹¡ÒÃ» Í¹ÅÍ¨Ô¡ ¡ÒÃ» Í¹¤ Ò¨Ðà» ¹ 1,2,4,8 ÊíÒËÃÑº¡ÒÃËÁØ¹·Ç¹à¢çÁ¹ÒÌ ¡ÒËÃ×ÍËÁØ¹« ÒÂáÅÐ» Í¹ 8,4,2,1 ÊíÒËÃÑº ¡ÒÃËÁØ¹µÒÁà¢çÁ¹ÒÌ ¡ÒËÃ×ÍËÁØ¹¢ÇÒ â´ÂÊÒÁÒÃ¶à¢ÕÂ¹â»Ãá¡ÃÁ¤Çº¤ØÁÍÂ Ò§§ ÒÂä´ ´§Ñ ¹Õé 5.1 ÊíÒËÃÑº¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁ Visual BASIC à¾×Íè ¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ ´Ç ÂºÍÃ ´ EX-05 ãË ËÁØ¹ ·Ò§´ Ò¹« ÒÂ¨Ðãª »ÁØ Command1 «Ö§è à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ºÑ Command1 ä´ ´§Ñ ¹Õé Private Sub Command1_Click() Lefts = False Rights = True Do DoEvents Out &H378, 1 Call delay Out &H378, 2 Call delay Out &H378, 4 Call delay Out &H378, 8 Call delay Loop Until Lefts = True End Sub

5.2 àª×Íè Áµ Í P-Board ¡ÑººÍÃ ´ EX-05 ´ ÇÂÊÒÂ IDC-10 ¼ Ò¹·Ò§¤Í¹à¹ç¡àµÍÃ DATA BUS áÅÐ µ ÍÊàµç»à»ÍÃ ÁÍàµÍÃ à¢ Ò¡ÑººÍÃ ´ EX-05 â´Âµ Í§ÊÑ§à¡µà¿Ê¢Í§ÁÍàµÍÃ ãË ¶¡Ù µ Í§´ ÇÂ 5.3 ¨ ÒÂä¿ãË P-Board áÅÐ EX-05 ¨Ò¡¹Ñ¹é ÃÑ¹â»Ãá¡ÃÁ·Õàè ¢ÕÂ¹¢Ö¹é ã¹¢ Í 5.1 àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 53

5.4 ¡´»ØÁ Command1 â»Ãá¡ÃÁ¨ÐÊ §¤ Ò 1,2,4,8 â´Â¨Ð¤Ñ¹è ´ ÇÂâ»Ãá¡ÃÁÂ ÍÂË¹ Ç§àÇÅÒ (delay) áÅÐÇ¹ÅÙ»ä»àÃ×Íè Â æ â´Â ãª ¤Òí ÊÑ§è Do...... Loop Until «Ö§è ¨Ð¤ÍÂµÃÇ¨ÊÍºÇ ÒÁÕ¡ÒÃ¡´ Command2 ËÃ×ÍäÁ ÊÑ§à¡µ¡ÒÃ·íÒ§Ò¹¢Í§Êàµç»à»ÍÃ ÁÍàµÍÃ 5.5 ÊíÒËÃÑºâ»Ãá¡ÃÁË¹ Ç§àÇÅÒ ÁÕÇ¸Ô ¡Õ ÒÃà¢ÕÂ¹ä´ ËÅÒÂÇÔ¸Õ ÇÔ¸áÕ Ã¡¤×Í ¡ÒÃãª Timer «Ö§è à» ¹°Ò¹ àÇÅÒã¹¤ÍÁ¾ÔÇàµÍÃ ÊíÒËÃÑºÇÔ¸¹Õ äÕé Á ÇÒ ¨Ðãª ¤ÍÁ¾ÔÇàµÍÃ Ã¹Ø ã´ã¹¡ÒÃ·´ÅÍ§ ¤ÇÒÁàÃçÇã¹¡ÒÃ·íÒ§Ò¹ ¢Í§â»Ãá¡ÃÁË¹ Ç§àÇÅÒ¢Í§¤ÍÁ¾ÔÇàµÍÃ áµ ÅÐà¤Ã×Íè §¡çÂ§Ñ ¤§à· Òà´ÔÁ áµ ¢Í àÊÕÂ¤×Í ¤ÇÒÁàÃçÇÊÙ§ÊØ´ ·Õâè »Ãá¡ÃÁ·íÒä´ ÍÒ¨äÁ à¾ÕÂ§¾Íµ Í¤ÇÒÁµ Í§¡ÒÃ à¹×Íè §¨Ò¡¤ ÒµèÒí ÊØ´¢Í§¡ÒÃ¹ÑºÁÕ¤Ò à· Ò¡Ñº 0.01 ÇÔ¹Ò·Õà· Ò¹Ñ¹é ÊÒÁÒÃ¶à¢ÕÂ¹â»Ãá¡ÃÁä´ ´§Ñ ¹Õé Sub delay() Times = Timer Do DoEvents Loop Until Timer >= Times + 0.01 End Sub

â»Ãá¡ÃÁ¹Õ¨é Ð·íÒ¡ÒÃµÃÇ¨ÊÍºÇ Ò¤ Ò Timer «Ö§è à» ¹¤ ÒµÑÇàÅ¢àÇÅÒÀÒÂã¹à¤Ã×Íè §¤ÍÁ¾ÔÇàµÍÃ ¹Ñ¹é ÁÕ¤Ò ÁÒ¡¡Ç Ò ¤ Ò Times +0.01 «Ö§è à» ¹¤ ÒµÑÇá»Ã·ÕÁè ¡Õ ÒÃ¡íÒË¹´äÇ ¡Í ¹Ç¹ÅÙ»ËÃ×ÍÂÑ§ ¶ ÒàÇÅÒ à´Ô¹ä»¨¹ÁÕ¤Ò ÁÒ¡¡Ç ÒËÃ×Íà· Ò¡Ñº Times +0.01 áÅ Ç â»Ãá¡ÃÁ¨ÐÍÍ¡¨Ò¡ÅÙ»¡ÒÃË¹ Ç§àÇÅÒ â´Â·Õè ¤íÒÊÑ§è Doevents à» ¹¤íÒÊÑ§è ·Õªè Ç ÂãË â»Ãá¡ÃÁÊÒÁÒÃ¶·íÒ§Ò¹ã¹â»Ãá¡ÃÁÊ Ç¹Í×¹è æ ä»¾Ã ÍÁ¡Ñ¹ ä´ àª ¹ ÊÒÁÒÃ¶¡´»ØÁ Command2 ã¹¢³Ð·Õ¡è ÒÃÅÑ§Ç¹ÍÂÙã ¹ÅÙ»ä´ à» ¹µ ¹ ¼Ùã ª §Ò¹ÍÒ¨·´ÅÍ§ äÁ ãÊ ¤Òí ÊÑ§è Doevents à»ÃÕÂºà·ÕÂº¡Ñº¡ÒÃãÊ ¤Òí ÊÑ§è ¹Õäé Ç ã¹â»Ãá¡ÃÁáÅ Ç ÊÑ§à¡µ´Ù¤ÇÒÁáµ¡µ Ò§ 5.6 ¨Ò¡â»Ãá¡ÃÁË¹ Ç§àÇÅÒã¹ÃÙ»áººáÃ¡ã¹¡ÒÃ·´ÅÍ§¢ Í 5.5 ÍÒ¨ãË ¤ÇÒÁàÃçÇã¹¡ÒÃ·íÒ§Ò¹äÁ ÁÒ¡¹Ñ¡ ´Ñ§¹Ñ¹é â»Ãá¡ÃÁË¹ Ç§àÇÅÒã¹ÃÙ»áºº·Õè 2 ¨ÐãË ¤ÇÒÁàÃçÇã¹¡ÒÃ·íÒ§Ò¹·ÕÁè Ò¡¡Ç Ò â´Âã¹ ÃÙ»áºº¹Õé ¤ÇÒÁàÃçÇ¨Ð¢Ö¹é ÍÂÙ¡ ºÑ ¤ÇÒÁàÃçÇ¢Í§¤ÍÁ¾ÔÇàµÍÃ â´ÂÊÒÁÒÃ¶à¢ÕÂ¹â»Ãá¡ÃÁä´ ´§Ñ ¹Õé Sub delay() For i = 1 To HScroll1.Value DoEvents Next i End Sub

¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁã¹ÃÙ»áºº¹Õé¨Ðãª ¤íÒÊÑè§ For...Next áÅÐãª á¶ºàÅ×èÍ¹ Hscroll ã¹¡ÒÃ »ÃÑº¤ÇÒÁàÃçÇã¹¡ÒÃ·íÒ§Ò¹ áÅÐã¹¡Ã³Õ·ÕèÁÕ¡ÒÃÇ¹ÅÙ»·ÕèÂÒÇ¹Ò¹áÅÐäÁ µ Í§¡ÒÃãË â»Ãá¡ÃÁ ËÂØ´¤ Ò§ ¡çµÍ §á·Ã¡¤íÒÊÑ§è Doevents à¢ Òä»ÃÐËÇ Ò§ÅÙ» 5.7 ÊíÒËÃÑº¡ÒÃËÁØ¹ä»·Ò§´ Ò¹¢ÇÒ ¨Ðµ Í§ÊÃ Ò§»ØÁ Command2 ¢Ö¹é â´Â¡ Í¹·Õ¨è ÐÊÑ§è ãË Êàµç»à»ÍÃ ÁÍàµÍÃ ËÂØ´¡ÒÃËÁØ¹¡ Í¹ â´Âã¹¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁ¨Ðãª µÇÑ á»Ã Lefts áÅÐ Rights ´Ñ§â»Ãá¡ÃÁ µÑÇÍÂ Ò§µ Íä»¹Õé àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 54

Private Sub Command2_Click() Lefts = True Rights = False Do DoEvents Out &H378, 8 Call delay Out &H378, 4 Call delay Out &H378, 2 Call delay Out &H378, 1 Call delay Loop Until Rights = True End Sub

¡ÒÃ·íÒ§Ò¹¢Í§â»Ãá¡ÃÁ¨ÐàËÁ×Í¹¡Ñº¡ÒÃËÁØ¹« ÒÂ áµ ¨Ðáµ¡µ Ò§¡Ñ¹·ÕÃè »Ù áºº¢Í§¢ ÍÁÙÅ¡ÒÃ ËÁØ¹¨Ðà» ¹ 8,4,2,1 á·¹ â´ÂàÁ×Íè ÃÑ¹â»Ãá¡ÃÁµÑÇÍÂ Ò§¨Ð»ÃÒ¡¯ÃÙ»áºº¢Í§Ë¹ Ò¨Í´Ñ§ÃÙ»·Õè P5-1 ÍÂ Ò§äÃ¡çµÒÁÊÒÁÒÃ¶´ÙÃÒÂÅÐàÍÕÂ´·Ñé§ËÁ´¢Í§â»Ãá¡ÃÁáÅÐ·´ÅÍ§ãª §Ò¹ä´ ¨Ò¡ä¿Å LAB05.VBP

ÃÙ»·Õè P5-1 Ë¹ Ò¨Í¢Í§â»Ãá¡ÃÁ·Õè à¢ÕÂ¹¢Öé¹ã¹¡ÒÃ·´ÅÍ§·Õè 5 ¹Õé ãª ÊíÒËÃÑº»ÃÑº¤ÇÒÁàÃçÇáÅÐ·ÔÈ·Ò§ ¡ÒÃËÁØ¹¢Í§Êàµç»à»ÍÃ ÁÍàµÍÃ

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¡ÒÃ·´ÅÍ§·Õè 6 ¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ áººÊÍ§à¿Ê à¤Ã×èÍ§Á×ÍáÅÐÍØ»¡Ã³ 1. ºÍÃ ´àª×Íè Áµ Í¾ÍÃ µ¢¹Ò¹ P-Board 1 á¼ ¹ 2. EX-05 ºÍÃ ´¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ 1 á¼ ¹ 3. ¤ÍÁ¾ÔÇàµÍÃ ·µÕè ´Ô µÑ§é ÃÐºº»¯ÔºµÑ ¡Ô ÒÃÇÔ¹â´ÇÊ áÅÐ Visual BASIC ÍÂ Ò§¹ ÍÂàÇÍÃ ª¹Ñ 5.0 4. áËÅ §¨ ÒÂä¿µÃ§ +12V 2A ËÃ×ÍÁÒ¡¡Ç Ò 1 à¤Ã×Íè § 5. Êàµç»à»ÍÃ ÁÍàµÍÃ áººÂÙ¹âÔ ¾Å ÒÃ ¢¹Ò´ 12V 100Ω 7.5 Í§ÈÒµ ÍÊàµç» ËÃ×Í´Õ¡Ç Ò 1 µÑÇ 6. ÊÒÂàª×Íè Áµ Í IDC-10

1 àÊ ¹

¡ÒÃ·´ÅÍ§ 6.1 ¡ÒÃ¤Çº¤ØÁÊàµç»à»ÍÃ ÁÍàµÍÃ ãË ·Òí §Ò¹à» ¹áºº 2 à¿Ê¹Ñ¹é ÁÕÃ»Ù áºº¡ÒÃ¢ÑºáÊ´§ã¹µÒÃÒ§·Õè 4-2 ã¹Ê Ç¹¢Í§·ÄÉ®Õ â´Â¨Ðµ Í§» Í¹¤ Ò 9,3,6,12 ÊíÒËÃÑº¡ÒÃËÁØ¹´ Ò¹« ÒÂáÅÐ 12,6,3,9 ÊíÒËÃÑº ¡ÒÃËÁØ¹·Ò§´ Ò¹¢ÇÒã¹â»Ãá¡ÃÁ â´ÂÊÒÁÒÃ¶á¡ ä¢ Command1 áÅÐ Command2 ¨Ò¡â»Ãá¡ÃÁ ã¹¡ÒÃ·´ÅÍ§·Õè 5 ä´ ´§Ñ ¹Õé Dim i As Integer Dim Lefts, Rights As Boolean Private Sub Command1_Click() Lefts = False Rights = True Do DoEvents Out &H378, 9 Call delay Out &H378, 3 Call delay Out &H378, 6 Call delay Out &H378, 12 Call delay Loop Until Lefts = True End Sub Private Sub Command2_Click() Lefts = True Rights = False

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 56

Do DoEvents Out &H378, 12 Call delay Out &H378, 6 Call delay ut &H378, 3 Call delay Out &H378, 9 Call delay Loop Until Rights = True End Sub

6.2 àª×Íè Áµ Í P-Board ¡ÑººÍÃ ´ EX-05 ´ ÇÂÊÒÂ IDC-10 ¼ Ò¹·Ò§¤Í¹à¹ç¡àµÍÃ DATA BUS áÅÐ µ ÍÊàµç»à»ÍÃ ÁÍàµÍÃ à¢ Ò¡ÑººÍÃ ´ EX-05 â´Âµ Í§ÊÑ§à¡µà¿Ê¢Í§ÁÍàµÍÃ ãË ¶¡Ù µ Í§´ ÇÂ 6.3 ¨ ÒÂä¿ãË P-Board áÅÐ EX-05 ¨Ò¡¹Ñ¹é ÃÑ¹â»Ãá¡ÃÁ·Õàè ¢ÕÂ¹¢Ö¹é ã¹¢ Í 6.1 6.4 ÊÑ § à¡µ¡ÒÃËÁØ ¹ ¢Í§Êàµç » à»ÍÃ Á ÍàµÍÃ à »ÃÕ Â ºà·Õ Â º¡Ñ º ã¹¡ÒÃ·´ÅÍ§·Õè 5 ¨Ð¾ºÇ Ò ¡ÒÃ¢ÑºãË Êàµç»à»ÍÃ ÁÍàµÍÃ ËÁØ¹ã¹áººÊÍ§à¿Ê¨ÐãË áÃ§ºÔ´·ÕèÁÒ¡¡Ç Ò áµ ¡ç¨Ð¡Ô¹ ¡íÒÅÑ§§Ò¹ÁÒ¡¡Ç ÒáººË¹Ö§è à¿Êà» ¹ 2 à· Ò´ ÇÂàª ¹¡Ñ¹ ÊíÒËÃÑºÃÒÂÅÐàÍÕÂ´·Ñé§ËÁ´¢Í§â»Ãá¡ÃÁ·´ÅÍ§¹ÕéÊÒÁÒÃ¶´ÙáÅÐ·´ÅÍ§ãª §Ò¹ä´ ¨Ò¡ä¿Å LAB06.VBP

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 57

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Index = Index + 1 Else Index = 0 End If Out &H37A, &H5 End Sub

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9.5 à¢ÕÂ¹â»Ãá¡ÃÁ·´ÅÍ§º¹ Visual BASIC ´Ñ§¹Õé Private Sub Timer2_Timer() Text1.Text = Format(Now, “hh:mm:ss”) Index1 = Asc(Right(Text1.Text, 1)) - &H30 Index2 = Asc(Mid(Text1.Text, 7, 1)) - &H30 Index3 = Asc(Mid(Text1.Text, 5, 1)) - &H30 Index4 = Asc(Mid(Text1.Text, 4, 1)) - &H30 End Sub

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,# ,"

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äºµ 5 = 00H äºµ 4 = 3FH äºµ 3 = 48H äºµ 2 = 48H äºµ 1 = 3FH

4 4 +

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Char(65,1) Char(65,2) Char(65,3) Char(65,4) Char(65,5)

= = = = =

&H3F &H48 &H48 &H3F &H0

¨Ò¡µÑÇÍÂ Ò§¹Õ¨é Ðãª µÇÑ á»Ã Char áÅÐà¡çºà» ¹áººÍÒÃ àÃÂ 2 ÁÔµÔ â´ÂàÅ¢´ Ò¹Ë¹ ÒËÁÒÂ¶Ö§ ÃËÑÊáÍÊ¡Õ¢é Í§µÑÇÍÑ¡ÉÃ àÅ¢ 65 áÊ´§¶Ö§µÑÇÍÑ¡ÉÃ A µÑÇÍÑ¡ÉÃ·ÕÍè ÂÙ´ Ò ¹ËÅÑ§ËÁÒÂ¶Ö§á¶Çáµ ÅÐá¶Ç àÇÅÒàÃÕÂ¡ãª §Ò¹ÊÒÁÒÃ¶¹íÒÅíÒ´Ñº¢Í§µÑÇÍÑ¡ÉÃáÅÐá¶Ç·Õµè Í §¡ÒÃ¹íÒä»áÊ´§¼Åä»ãª §Ò¹ä´ «Ö§è ÍÒ¨¨ÐàÃÕÂ¡¡ÒÃà¡çº¹ÕÇé Ò ¡ÒÃà¡çº¿Í¹µ ¢Í§´çÍµàÁµÃÔ¡« «Ö§è ÁÕÃÒÂÅÐàÍÕÂ´´Ñ§¹Õé Sub init() ‘ A to Z Char(65,1)=&H3F:Char(65,2)=&H48:Char(65,3)=&H48:Char(65,4)=&H3F:Char(65,5)=&H0 Char(66,1)=&H7F:Char(66,2)=&H49:Char(66,3)=&H49:Char(66,4)=&H36:Char(66,5)=&H0 Char(67,1)=&H3E:Char(67,2)=&H41:Char(67,3)=&H41:Char(67,4)=&H22:Char(67,5)=&H0 Char(68,1)=&H7F:Char(68,2)=&H41:Char(68,3)=&H22:Char(68,4)=&H1C:Char(68,5)=&H0 Char(69,1)=&H7F:Char(69,2)=&H49:Char(69,3)=&H49:Char(69,4)=&H49:Char(69,5)=&H0 Char(70,1)=&H7F:Char(70,2)=&H48:Char(70,3)=&H48:Char(70,4)=&H48:Char(70,5)=&H0 Char(71,1)=&H3E:Char(71,2)=&H41:Char(71,3)=&H49:Char(71,4)=&H2E:Char(71,5)=&H0 Char(72,1)=&H7F:Char(72,2)=&H8:Char(72,3)=&H8:Char(72,4)=&H7F:Char(72,5)=&H0 Char(73,1)=&H0:Char(73,2)=&H41:Char(73,3)=&H7F:Char(73,4)=&H41:Char(73,5)=&H0 Char(74,1)=&H4E:Char(74,2)=&H41:Char(74,3)=&H7E:Char(74,4)=&H40:Char(74,5)=&H0 Char(75,1)=&H7F:Char(75,2)=&H14:Char(75,3)=&H22:Char(75,4)=&H41: Char(75,5)=&H0 Char(76,1)=&H7F:Char(76,2)=&H1:Char(76,3)=&H1:Char(76,4)=&H1:Char(76,5)=&H0 Char(77,1)=&H7F:Char(77,2)=&H20:Char(77,3)=&H10:Char(77,4)=&H20:Char(77,5)=&H7F Char(78,1)=&H7F:Char(78,2)=&H10:Char(78,3)=&H4:Char(78,4)=&H7F: Char(78,5)=&H0 Char(79,1)=&H3E:Char(79,2)=&H41:Char(79,3)=&H41:Char(79,4)=&H3E:Char(79,5)=&H0 Char(80,1)=&H7F:Char(80,2)=&H48:Char(80,3)=&H48:Char(80,4)=&H30:Char(80,5)=&H0 Char(81,1)=&H3E:Char(81,2)=&H41:Char(81,3)=&H45:Char(81,4)=&H3E:Char(81,5)=&H1 Char(82,1)=&H7F:Char(82,2)=&H4C:Char(82,3)=&H4A:Char(82,4)=&H31:Char(82,5)=&H0 Char(83,1)=&H32:Char(83,2)=&H49:Char(83,3)=&H49:Char(83,4)=&H26:Char(83,5)=&H0 Char(84,1)=&H40:Char(84,2)=&H40:Char(84,3)=&H7F:Char(84,4)=&H40:Char(84,5)=&H40 Char(85,1)=&H7E:Char(85,2)=&H1:Char(85,3)=&H1:Char(85,4)=&H7E:Char(85,5)=&H0 Char(86,1)=&H7C:Char(86,2)=&H2:Char(86,3)=&H1:Char(86,4)=&H2: Char(86,5)=&H7C Char(87,1)=&H7F:Char(87,2)=&H4:Char(87,3)=&H18:Char(87,4)=&H4:Char(87,5)=&H7F Char(88,1)=&H77:Char(88,2)=&H8:Char(88,3)=&H8:Char(88,4)=&H77:Char(88,5)=&H0 Char(89,1)=&H70:Char(89,2)=&H8:Char(89,3)=&H7:Char(89,4)=&H8:Char(89,5)=&H70 Char(90,1)=&H43:Char(90,2)=&H45:Char(90,3)=&H49:Char(90,4)=&H51:Char(90,5)=&H61 ‘ a to z Char(97,1)=&H17:Char(97,2)=&H15:Char(97,3)=&H15:Char(97,4)=&H1F:Char(97,5)=&H0 Char(98,1)=&H7E:Char(98,2)=&H11:Char(98,3)=&H11:Char(98,4)=&HE:Char(98,5)=&H0 Char(99,1)=&HE:Char(99,2)=&H11:Char(99,3)=&H11:Char(99,4)=&HA:Char(99,5)=&H0 Char(100,1)=&HE:Char(100,2)=&H11:Char(100,3)=&H11:Char(100,4)=&H7E:Char(100,5)=&H0 Char(101,1)=&HE:Char(101,2)=&H15:Char(101,3)=&H15:Char(101,4)=&HD:Char(101,5)=&H0

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Char(102,1)=&H8:Char(102,2)=&H3F:Char(102,3)=&H48:Char(102,4)=&H20:Char(102,5)=&H0 Char(103,1)=&H39:Char(103,2)=&H45:Char(103,3)=&H45:Char(103,4)=&H3E:Char(103,5)=&H0 Char(104,1)=&H7F:Char(104,2)=&H10:Char(104,3)=&H10:Char(104,4)=&HF:Char(104,5)=&H0 Char(105,1)=&H0:Char(105,2)=&H0:Char(105,3)=&H5F:Char(105,4)=&H0:Char(105,5)=&H0 Char(106,1)=&H2:Char(106,2)=&H1:Char(106,3)=&H1:Char(106,4)=&H5E:Char(106,5)=&H0 Char(107,1)=&H7F:Char(107,2)=&H4:Char(107,3)=&HA:Char(107,4)=&H11:Char(107,5)= &H0 Char(108,1)=&H0:Char(108,2)=&H0:Char(108,3)=&H7F:Char(108,4)=&H0:Char(108,5)=&H0 Char(109,1)=&HF:Char(109,2)=&H10:Char(109,3)=&HF:Char(109,4)=&H10:Char(109,5)=&HF Char(110,1)=&H1F:Char(110,2)=&H8:Char(110,3)=&H10:Char(110,4)=&H1F:Char(110,5)=&H0 Char(111,1)=&HE:Char(111,2)=&H11:Char(111,3)=&H11:Char(111,4)=&HE:Char(111,5)=&H0 Char(112,1)=&H7F:Char(112,2)=&H44:Char(112,3)=&H44:Char(112,4)=&H38:Char(112,5)=&H0 Char(113,1)=&H38:Char(113,2)=&H44:Char(113,3)=&H44:Char(113,4)=&H7F:Char(113,5)=&H0 Char(114,1)=&H10:Char(114,2)=&HF:Char(114,3)=&H10:Char(114,4)=&H8:Char(114,5)=&H0 Char(115,1)=&H9:Char(115,2)=&H15:Char(115,3)=&H15:Char(115,4)=&H12:Char(115,5)=&H0 Char(116,1)=&H20:Char(116,2)=&H7E:Char(116,3)=&H21:Char(116,4)=&H2:Char(116,5)=&H0 Char(117,1)=&H1E:Char(117,2)=&H1:Char(117,3)=&H1:Char(117,4)=&H1E:Char(117,5)=&H0 Char(118,1)=&H1F:Char(118,2)=&H2:Char(118,3)=&H4:Char(118,4)=&H18:Char(118,5)=&H0 Char(119,1)=&H1F:Char(119,2)=&H2:Char(119,3)=&H4:Char(119,4)=&H2:Char(119,5)=&H1F Char(120,1)=&H1B:Char(120,2)=&H4:Char(120,3)=&H4:Char(120,4)=&H1B:Char(120,5)=&H0 Char(121,1)=&H79:Char(121,2)=&H5:Char(121,3)=&H5:Char(121,4)=&H7E:Char(121,5)=&H0 Char(122,1)=&H13:Char(122,2)=&H17:Char(122,3)=&H1D:Char(122,4)=&H19:Char(122,5)=&H0 ‘ 0 to 9 Char(48,1)=&H3E:Char(48,2)=&H41:Char(48,3)=&H41:Char(48,4)=&H3E:Char(48,5)=&H0 Char(49,1)=&H10:Char(49,2)=&H21:Char(49,3)=&H7F:Char(49,4)=&H1:Char(49,5)=&H0 Char(50,1)=&H6F:Char(50,2)=&H49:Char(50,3)=&H49:Char(50,4)=&H79:Char(50,5)=&H0 Char(51,1)=&H49:Char(51,2)=&H49:Char(51,3)=&H49:Char(51,4)=&H7F:Char(51,5)=&H0 Char(52,1)=&H78:Char(52,2)=&H8:Char(52,3)=&H8:Char(52,4)=&H7F:Char(52,5)=&H0 Char(53,1)=&H79:Char(53,2)=&H49:Char(53,3)=&H49:Char(53,4)=&H4F:Char(53,5)=&H0 Char(54,1)=&H7F:Char(54,2)=&H49:Char(54,3)=&H49:Char(54,4)=&H4F:Char(54,5)=&H0 Char(55,1)=&H40:Char(55,2)=&H47:Char(55,3)=&H48:Char(55,4)=&H70:Char(55,5)=&H0 Char(56,1)=&H7F:Char(56,2)=&H49:Char(56,3)=&H49:Char(56,4)=&H7F:Char(56,5)=&H0 Char(57,1)=&H79:Char(57,2)=&H49:Char(57,3)=&H49:Char(57,4)=&H7F:Char(57,5)=&H0 ‘ + - * / Char(43,1)=&H8:Char(43,2)=&H8:Char(43,3)=&H3E:Char(43,4)=&H8:Char(43,5)=&H8 Char(45,1)=&H8:Char(45,2)=&H8:Char(45,3)=&H8:Char(45,4)=&H8:Char(45,5)=&H8 Char(42,1)=&H22:Char(42,2)=&H14:Char(42,3)=&H8:Char(42,4)=&H14:Char(42,5)=&H22 Char(47,1)=&H22:Char(47,2)=&H4:Char(47,3)=&H8:Char(47,4)=&H10: Char(47,5)=&H22 ‘ < > [ ] ( ) Char(60,1)=&H8:Char(60,2)=&H14:Char(60,3)=&H22:Char(60,4)=&H41:Char(60,5)=&H0 Char(62,1)=&H41:Char(62,2)=&H22:Char(62,3)=&H14:Char(62,4)=&H8:Char(62,5)=&H0 Char(91,1)=&H0:Char(91,2)=&H7F:Char(91,3)=&H41:Char(91,4)=&H41:Char(91,5)=&H0 Char(93,1)=&H0:Char(93,2)=&H41:Char(93,3)=&H41:Char(93,4)=&H7F:Char(93,5)=&H0 Char(41,1)=&H0:Char(41,2)=&H1C:Char(41,3)=&H22:Char(41,4)=&H41:Char(41,5)=&H0 Char(42,1)=&H0:Char(42,2)=&H41:Char(42,3)=&H22:Char(42,4)=&H1C:Char(42,5)=&H0 ‘ “ : ; = _ Char(35,1)=&H0:Char(35,2)=&H60:Char(35,3)=&H0:Char(35,4)=&H60:Char(35,5)=&H0 Char(58,1)=&H0:Char(58,2)=&H36:Char(58,3)=&H36:Char(58,4)=&H0:Char(58,5)=&H0 Char(59,1)=&H0:Char(59,2)=&H31:Char(59,3)=&H36:Char(59,4)=&H0:Char(59,5)=&H0 Char(61,1)=&H0:Char(61,1)=&H14:Char(61,3)=&H14:Char(61,4)=&H14:Char(61,5)=&H0 Char(95,1)=&H1:Char(95,2)=&H1:Char(95,3)=&H1:Char(95,4)=&H1:Char(95,5)=&H0

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‘ blank . , Char(33,1)=&H0:Char(33,2)=&H0:Char(33,3)=&H0:Char(33,4)=&H0:Char(33,5)=&H0 Char(46,1)=&H0:Char(46,2)=&H3:Char(46,3)=&H3:Char(46,4)=&H0:Char(46,5)=&H0 Char(44,1)=&H0:Char(44,2)=&H1:Char(44,3)=&H7:Char(44,4)=&H6:Char(44,5)=&H0

End Sub

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ÃÙ»·Õè 7-4 ¤Ø³ÊÁºÑµáÔ ÅÐË¹ ÒµÒ¢Í§ EX-04A ºÍÃ ´¢Ñº LED ´ÍµàÁµÃÔ¡« ¢¹Ò´ 7x20 ¨Ø´ » ¨¨Øº¹Ñ ºÍÃ ´ EX-04A ·Õãè ª ã¹º·¹Õäé ´ ËÂØ´¡ÒÃ¼ÅÔµ ´Ñ§¹Ñ¹é ¢ ÍÁÙÅã¹º·¹Õ¨é §Ö à» ¹ ¡ÒÃ¹íÒàÊ¹Íà¾×Íè à» ¹¤ÇÒÁÃÙà · Ò¹Ñ¹é 5. ÊÑÒ³áÊ´§¼ÅàÍÒµ ¾µØ COL_OE (COE) ãª àÍç¹àÍàºÔÅ¡ÒÃáÊ´§¼Å·Ò§àÍÒµ ¾µØ ¢Í§ 74HC595 ·íÒ§Ò¹´ ÇÂÅÍ¨Ô¡ 0 ¹Ñ¹è ¤×Í ËÒ¡ÊÑÒ³¹Õàé » ¹ 1 ¨ÐäÁ Á¢Õ Í ÁÙÅ»ÃÒ¡¯ÍÍ¡ä»·Õ¢è Ò àÍÒµ ¾µØ ¢Í§ 74HC595 áµ ¶Ò µ Í§¡ÒÃãË ¢Í ÁÙÅ»ÃÒ¡¯µ Í§·íÒãË Ê Ñ Ò³¹Õàé » ¹ 0 ÅíÒ´Ñº¢Ñ¹é ¡ÒÃµÔ´µ Í¡ÑºªÔ¿µ Ã¨Õ ÊÔ àµÍÃ ÁÕ´§Ñ ¹Õé 1. à¤ÅÕÂÃ ¤Ò ¢ ÍÁÙÅà¾×Íè ãË á¹ ã¨Ç ÒàÇÅÒÊ §¤ Ò¢ ÍÁÙÅãËÁ ÍÍ¡ä» äÁ Á¢Õ Í ÁÙÅà´ÔÁµ¡¤ Ò§ 2. ·íÒ¡ÒÃàÍç¹àÍàºÔÅàÍÒµ ¾µØ â´ÂÊ §ÊÑÒ³ COL_OE (áÍ¡µÕ¿ÅÍ¨Ô¡ 0 ) 3. Ê §ÊÑÒ³ COL_LE 1 ÅÙ¡ à¾×Íè ÃÑ¡ÉÒ¤ ÒàÍÒµ ¾µØ äÇ 4. Ê §¢ ÍÁÙÅ COL_DIN 1 ºÔµ 5. Ê §ÊÑÒ³¹ÒÌ ¡ÒÍÍ¡ä» 1 ÅÙ¡à¾×Íè àÅ×Íè ¹¢ ÍÁÙÅ 6. ·íÒµÒÁ¢ Í 4 áÅÐ 5 ãËÁ Í¡Õ ¤ÃÑ§é ¨¹¡Ç Ò¢ ÍÁÙÅ¨ÐÊ §ÍÍ¡ä»·Ñ§é ËÁ´

¡ÒÃ¹íÒ¢ ÍÁÙÅà¾×Íè áÊ´§¼Åº¹ºÍÃ ´ EX-04A ÁÕ¢¹Ñé µÍ¹â´ÂÊÃØ»´Ñ§¹Õé 1. Ê §ÊÑÒ³ COL_RESET áÅÐ ROW_RESET à¾×Íè à¤ÅÕÂÃ ¢Í ÁÙÅ·Ñ§é ËÁ´ 2. Ê §ÊÑÒ³ COL_LE 1 ÅÙ¡ à¾×Íè ÃÑ¡ÉÒ¤ ÒàÍÒµ ¾µØ äÇ 3. Ê §¢ ÍÁÙÅ COL_DIN 1 ºÔµ 4. Ê §ÊÑÒ³¹ÒÌ ¡ÒÍÍ¡ä» 1 ÅÙ¡à¾×Íè àÅ×Íè ¹¢ ÍÁÙÅ 5. ·íÒµÒÁ¢ Í 4 áÅÐ 5 ãËÁ Í¡Õ ¤ÃÑ§é ¨¹¡Ç Ò¢ ÍÁÙÅ¨ÐÊ §ÍÍ¡ä»·Ñ§é ËÁ´ 20 ËÅÑ¡ àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 78

6. ·íÒ¡ÒÃàÍç¹àÍàºÔÅàÍÒµ ¾µØ â´ÂÊ §ÊÑÒ³ COL_OE (áÍ¡µÕ¿ÅÍ¨Ô¡ 0 ) 7. Ê §ÊÑÒ³ ROW_CLK 1 ÅÙ¡à¾×Íè ãË à¡Ô´¡ÒÃáÊ´§¼Å·Õáè ¶ÇËÃ×ÍâÃÇ º¹ÊØ´ (á¶Ç·Õè 1) 8. ·íÒ¡ÒÃ´ÔÊàÍàºÔÅàÍÒµ ¾µØ ·Ò§¤ÍÅÑÁ¹ â´ÂÊ §ÊÑÒ³ COL_OE ÅÍ¨Ô¡ 1 9. Ê §ÊÑÒ³ COL_RESET à¾×Íè à¤ÅÕÂÃ ¢Í ÁÙÅ·Ò§¤ÍÅÑÁ¹ ·§Ñé ËÁ´ 10. ¨Ò¡¹Ñ¹é ·íÒ¡ÒÃÊ §¢ ÍÁÙÅã¹á¹Ç¤ÍÅÑÁ¹ ·§Ñé 20 ¨Ø´ÍÕ¡¤ÃÑ§é 11. Ê §ÊÑÒ³ ROW_CLK 1 ÅÙ¡ à¾×Íè àµÃÕÂÁ¡ÒÃáÊ´§¼Åã¹á¶Ç¶Ñ´ä» 12. Ê §ÊÑÒ³àÍç¹àÍàºÔÅàÍÒµ ¾µØ ¨Ðà¡Ô´¡ÒÃáÊ´§¼Åã¹á¶Ç¶Ñ´ÁÒ 13. ·íÒµÒÁ¢Ñ¹é µÍ¹¢ Í 8-11 ¨¹¤Ãº 7 ¤ÃÑ§é ¡ç¨Ðä´ ¡ÒÃáÊ´§¼Åº¹ºÍÃ ´ EX-04A ¤Ãº·Ñ§é 7N20 ¨Ø´ 14. ·íÒ¡ÒÃÃÕà«µ¢ ÍÁÙÅ·Ñ§é ËÁ´áÅ ÇàÃÔÁè µ ¹·íÒ§Ò¹ÃÍºãËÁ

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 79

¡ÒÃ·´ÅÍ§·Õè 10 ¢Ñº LED ´ÍµàÁµÃÔ¡« 7x20 ¨Ø´ à¤Ã×Íè §Á×ÍáÅÐÍØ»¡Ã³

1. ºÍÃ ´àª×Íè Áµ Í¾ÍÃ µ¢¹Ò¹ P-Board ¾Ã ÍÁÊÒÂàª×Íè Áµ Í¾ÍÃ µ¢¹Ò¹ 1 ªØ´ 2. EX-04A ºÍÃ ´ LED ´ÍµàÁµÃÔ¡« 7x20 ¨Ø´ 3. ¤ÍÁ¾ÔÇàµÍÃ ·µÕè ´Ô µÑ§é ÃÐºº»¯ÔºµÑ ¡Ô ÒÃÇÔ¹â´ÇÊ áÅÐ Visual BASIC ÍÂ Ò§¹ ÍÂàÇÍÃ ª¹Ñ 5.0 4. ÊÒÂàª×Íè Áµ Í IDC-10 1 àÊ ¹ » ¨¨Øº¹Ñ ºÍÃ ´ EX-04A ·Õãè ª ã¹º·¹Õäé ´ ËÂØ´¡ÒÃ¼ÅÔµ ´Ñ§¹Ñ¹é ¢ ÍÁÙÅã¹º·¹Õ¨é §Ö à» ¹ ¡ÒÃ¹íÒàÊ¹Íà¾×Íè à» ¹¤ÇÒÁÃÙà · Ò¹Ñ¹é

¡ÒÃ·´ÅÍ§¢Ñº LED ´ÍµàÁµÃÔ¡« àº×Íé §µ ¹

10.1 àÅ×Í¡àÁ¹Ù Project à Components à Tab Controls ¨Ð»ÃÒ¡¯Ë¹ Òµ Ò§ãË à¾ÔÁè àµÔÁ¤Í¹â·ÃÅ áÅ ÇàÅ×Í¡¤Í¹â·ÃÅ HighPerformanceCounter ´Ñ§ÃÙ»·Õè 10-1 ¶ ÒäÁ ¾ºª×èÍ¤Í¹â·ÃÅ¹Õé ¡´»Ø Á Browse áÅ ÇàÅ×Í¡ä¿Å HPCOUNT.OCX ã¹ä´àÃ¡µÍÃÕè Windows\System áµ ¶Ò ËÒ¡äÁ ÁÊÕ ÒÁÒÃ¶ ¤Ñ´ÅÍ¡ä¿Å hpcount.ocx ¨Ò¡á¼ ¹«Õ´ÃÕ ÍÁ PC interface : Parallel port Experiment ã¹ä´àÃç¡ µÍÃÕè Software\ocx ä»à¡çºäÇ ·Õè Windows\System ¨Ò¡¹Ñ¹é ¨ÐÊÒÁÒÃ¶àÃÕÂ¡ãª ä´ ·¹Ñ ·Õ 10.2 ÊÃ Ò§¿ÍÃ Á´Ñ§ÃÙ»·Õè 10-2 áÅÐà»ÅÕÂè ¹¤Ø³ÊÁºÑµ¢Ô Í§ CommandButton áÅÐ hpCounter µÒÁ·Õè ¡íÒË¹´ã¹ÃÙ» 10.3 à¢ÕÂ¹â»Ãá¡ÃÁÂ ÍÂÊíÒËÃÑº¡ÒÃÊÃ Ò§ÊÑÒ³µ Ò§æ·Õãè ª ã¹¡ÒÃ¢Ñº´ÍµàÁµÃÔ¡« ´Ñ§¹Õé

hpCounter Name

CommandButton Name

cmdRun

Caption

Run

ÃÙ»·Õè P10-1 ¡ÒÃàÅ×Í¡ HighPerformance ÃÙ»·Õè P10-2 áÊ´§¡ÒÃÊÃ Ò§¿ÍÃ ÁÊíÒËÃÑº Counter à¾ÔÁè à¾×Íè ãª ã¹â»Ãá¡ÃÁ·´ÅÍ§¢Ñº ¡ÒÃ·´ÅÍ§¾Ã ÍÁ¡Ñº¡ÒÃ¡íÒË¹´¤Ø³ÊÁºÑµÔ LED ´ÍµàÁµÃÔ¡« ¢Í§¤Í¹â·ÃÅµ Ò§æ ·Õãè ª àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 80

â»Ãá¡ÃÁÂ ÍÂ Initial ÊÑÒ³ã¹¾ÍÃ µ Private Sub InitialDatabus() Out &H378, &H18 End Sub

‘ Initial databus

â»Ãá¡ÃÁÂ ÍÂÊÃ Ò§ÊÑÒ³¹ÒÌ ¡Òã¹á¹Ç¤ÍÅÑÁ¹ Private Sub ColCLK() Out &H378, Inp(&H378) Xor 1 Out &H378, Inp(&H378) Xor 1 End Sub

‘ Toggle column clock ‘ Toggle column clock

â»Ãá¡ÃÁÂ ÍÂÊÃ Ò§ÊÑÒ³¹ÒÌ ¡Òã¹á¹Çá¶Ç (âÃÇ ) Private Sub RowCLK() Out &H378, Inp(&H378) Xor &H40 Out &H378, Inp(&H378) Xor &H40 End Sub

‘ Toggle row clock ‘ Toggle row clock

â»Ãá¡ÃÁÂ ÍÂÊÃ Ò§ÊÑÒ³ÃÕà«µ¢ ÍÁÙÅ¤ÍÅÑÁ¹ Private Sub ColRST() Out &H378, Inp(&H378) Xor &H8 Out &H378, Inp(&H378) Xor &H8 End Sub

‘ Toggle column reset ‘ Toggle column reset

â»Ãá¡ÃÁÂ ÍÂÊÃ Ò§ÊÑÒ³ÃÕà«µ¢ ÍÁÙÅá¶Ç Private Sub RowRST() Out &H378, Inp(&H378) Xor &H80 Out &H378, Inp(&H378) Xor &H80

‘ Toggle row reset ‘ Toggle row reset

End Sub

â»Ãá¡ÃÁÂ ÍÂÊÃ Ò§ÊÑÒ³áÅµª ¢Í ÁÙÅ¤ÍÅÑÁ¹ Private Sub ColLE() Out &H378, Inp(&H378) Xor &H2 Out &H378, Inp(&H378) Xor &H2 End Sub

‘ Toggle column latch ‘ Toggle column latch

â»Ãá¡ÃÁÂ ÍÂÊÃ Ò§ÊÑÒ³¢ ÍÁÙÅ¤ÍÅÑÁ¹ Private Sub ColDA(ByVal Logic As Boolean) If Logic Then Out &H378, Inp(&H378) Or &H4 ‘ Set column data to high Else Out &H378, Inp(&H378) And &HFB ‘ Set column data to low End If End Sub

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 81

â»Ãá¡ÃÁÂ ÍÂÊÃ Ò§ÊÑÒ³àÍç¹àÍàºÔÅ¢ ÍÁÙÅ¤ÍÅÑÁ¹ Private Sub ColOE(ByVal Logic As Boolean) If Logic Then Out &H378, Inp(&H378) Or &H10 ‘ Set column output enable to high Else Out &H378, Inp(&H378) And &HEF ‘ Set column output enable to low End If End Sub

â´Ââ»Ãá¡ÃÁÂ Í ÂÊÃ Ò §ÊÑ Ò³¹ÒÌ ¡ Ò, ÊÑ Ò³ÃÕ à «µ áÅÐÊÑ Ò³áÅµ« ¨ÐÊÃ Ò§ÊÑÒ³à» ¹¾ÑÅÊ 1 ÅÙ¡ 10.4 à¢ÕÂ¹â»Ãá¡ÃÁÊíÒËÃÑºàµÃÕÂÁ DATA BUS à¾×Íè Ê §¢ ÍÁÙÅ·Õàè ËµØ¡ÒÃ³ Form_Load ´Ñ§¹Õé Private Sub Form_Load() InitialDatabus RowRST ColRST ColLE End Sub

‘ ‘ ‘ ‘

Initial databus Reset row counter Reset column data Latch column data

¢Ñ¹é µÍ¹¡ÒÃ·íÒ§Ò¹ÁÕ´§Ñ ¹Õé 10.4.1 Initial data bus â´ÂÊ §¢ ÍÁÙÅ &H18 à¾×Íè ãË ¾ÍÃ µÍÂÙã ¹ÊÀÒÇÐàÃÔÁè µ ¹ 10.4.2 Ê §ÊÑÒ³ÃÕà«µá¶Ç à¾×Íè à¤ÅÕÂÃ à¤Ò¹ àµÍÃ 10.4.3 Ê §ÊÑÒ³ÃÕà«µ¤ÍÅÑÁ¹ à¾×Íè à¤ÅÕÃÂ ¢Í ÁÙÅã¹ªÔ¿µ Ã¨Õ ÊÔ àµÍÃ ãË ·¡Ø ¤ÍÅÑÁ¹ à» ¹ 0 10.4.4 Ê §ÊÑÒ³áÅµ« à¾×Íè áÅµ« ¢Í ÁÙÅ¨Ò¡ªÔ¿µ Ã¨Õ ÊÔ àµÍÃ 10.5 à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ºÑ àËµØ¡ÒÃ³ cmdRun_Click à¾×Íè ·´ÅÍ§¡ÒÃ·íÒ§Ò¹¢Í§ºÍÃ ´´Ñ§¹Õé Private Sub cmdRun_Click() Dim i As Integer Dim j As Integer ColOE False For i = 0 To 6 RowCLK For j = 19 To 0 Step -1 DoEvents ColDA True ColCLK ColLE hp.Delay_ms 100 Next j ColRST ColLE Next i RowRST ColOE True End Sub

‘ Column data output enable ‘ send row clock

‘ ‘ ‘ ‘

send data 1 to column data send column clock Latch column data Delay 100 ms

‘ Reset column data ‘ Latch column data ‘ Reset row counter ‘ Column data output disable

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 82

ÁÕ¢¹Ñé µÍ¹¡ÒÃ·íÒ§Ò¹´Ñ§¹Õé 10.5.1 àÍç¹àÍàºÔÅàÍÒµ ¾µØ ¢Í§ªÔ¿µ Ã¨Õ ÊÔ àµÍÃ ãË áÊ´§¢ ÍÁÙÅã¹ºÑ¿à¿ÍÃ ¢Í§ªÔ¿µ Ã¨Õ ÊÔ àµÍÃ 10.5.2 ÊÃ Ò§ÊÑÒ³¹ÒÌ ¡ÒãË à¤Ò¹ àµÍÃ à¾×Íè àÃÔÁè áÊ´§¼Åã¹á¶ÇáÃ¡ ( á¶Çº¹ÊØ´ ) 10.5.3 Ê §¢ ÍÁÙÅÅÍ¨Ô¡ 1 ä»·Õºè ¿Ñ à¿ÍÃ ¢Í§ªÔ¿µ Ã¨Õ ÊÔ àµÍÃ 10.5.4 Ê §ÊÑÒ³¹ÒÌ ¡Òä»·Õªè ¿Ô µ Ã¨Õ ÊÔ àµÍÃ à¾×Íè ÃÑº¢ ÍÁÙÅà¢ ÒÊÙº ¿Ñ à¿ÍÃ ÊØ´)

10.5.5 áÅµ« ¢Í ÁÙÅã¹ºÑ¿à¿ÍÃ ¨ÐàËç¹ LED µÔ´·Õ¨è ´Ø º¹« ÒÂº¹´ÍµàÁµÃÔ¡« µÇÑ áÃ¡ (µÑÇ« ÒÂ 10.5.6 Ë¹ Ç§àÇÅÒ 100 ÁÔÅÅÔÇ¹Ô Ò·Õ

10.5.7 ·íÒ«éÒí ¢ Í 10.5.3 ¨¹¶Ö§¢ Í 10.5.6 ãË ¤Ãº 20 ÃÍº à¾×Íè Ê §¢ ÍÁÙÅãË ¤Ãº 20 ¤ÍÅÑÁ¹ ã¹áµ ÅÐÃÍº LED ¨ÐµÔ´à¾ÔÁè ¢Ö¹é ·ÕÅÐ´Ç§ 10.5.8 ÃÕà«µºÑ¿à¿ÍÃ ¢Í§ªÔ¿µ Ã¨Õ ÊÔ àµÍÃ à¾×Íè àµÃÕÂÁ¡ÒÃÊ §¢ ÍÁÙÅá¶Ç¶Ñ´ä» 10.5.9 áÅµ« ¢Í ÁÙÅã¹ºÑ¿à¿ÍÃ 10.5.10 ·íÒ«éÒí ¢ Í 10.5.1 ¨¹¶Ö§¢ Í 10.5.10 ãË ¤Ãº 7 ÃÍº à¾×Íè Ê §¢ ÍÁÙÅãË ¤Ãº 7 á¶Ç 10.5.11 àÁ×Íè áÊ´§¢ ÍÁÙÅ¤Ãº·Ø¡¤ÍÅÑÁ¹ áÅÐá¶Ç Ê §ÊÑÒ³ÃÕà«µãË à¤Ò¹ àµÍÃ à¾×Íè àµÃÕÂÁ ¡ÒÃáÊ´§¼Åã¹¤ÃÑé§µ Íä» 10.5.12 ´ÔÊàÍàºÔÅàÍÒµ ¾µØ ¢Í§ªÔ¿µ Ã¨Õ ÊÔ àµÍÃ ¼Å¡ÒÃ·íÒ§Ò¹¢Í§â»Ãá¡ÃÁ¹Õé ¨ÐáÊ´§¼Åº¹ LED ´ÍµàÁµÃÔ¡« µÔ´¤Ãº·Ø¡¤ÍÅÑÁ¹ ·ÕÅÐá¶Ç µÑÇÍÂ Ò§¢Í§â»Ãá¡ÃÁ´Ùä´ ·äÕè ¿Å LAB10A .vbp

¡ÒÃ·´ÅÍ§¢Ñº LED ´ÍµàÁµÃÔ¡« ã¹ÅÑ¡É³Ð¡íÒË¹´¨Ø´áÊ´§¼Å àÁ×èÍÊÒÁÒÃ¶áÊ´§¼Åä´ ¤Ãº·Ø¡¨Ø´ ¡ÒÃ·´ÅÍ§µ Íä»¨ÐáÊ´§¢ ÍÁÙÅµÒÁ·Õè¡íÒË¹´â´Âãª ¤Í¹â·ÃÅ MsFlexGrid 10.6 à¾ÔÁè ¤Í¹â·ÃÅ Microsoft FlexGrid Control 6.0 â´ÂàÅ×Í¡àÁ¹Ù Projecà Components à Tab Controls 10.7 àÅ×Í¡¤Í¹â·ÃÅ Microsoft FlexGrid Control 6.0 ¶ ÒäÁ ¾ºª×Íè ¤Í¹â·ÃÅ¹Õé ¡´»ØÁ Browse áÅ ÇàÅ×Í¡ä¿Å MSFLXGRD.OCX ã¹ä´àÃ¡µÍÃÕè Windows\System ´Ñ§ÃÙ»·Õè P10-3 àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 83

10.8 ·í Ò ¡ÒÃà¾Ôè Á ¤Í¹â·ÃÅ FlexGrid áÅÐ CommandButton º¹¿ÍÃ Á´Ñ§ÃÙ»·Õè 10-4 ¾Ã ÍÁ ·Ñé§¡íÒË¹´¤Ø³ÊÁºÑµÔµÒÁ·ÕèáÊ´§ã¹ÃÙ»´ ÇÂ 10.9 à¢ÕÂ¹â»Ãá¡ÃÁÂ ÍÂ InitialFlexGrid à¾×Íè ¡í Ò Ë¹´¤Ø ³ ÊÁºÑ µÔ ¢ Í§ flx ãË à » ¹ µÒÃÒ§ÊÕè àËÅÕèÂÁ¢¹Ò´ 7x20 ¨íÒÅÍ§à» ¹Ê Ç¹áÊ´§¼Å LED ´ÍµàÁµÃÔ¡« ¢Í§ºÍÃ ´ EX-04A ´Ñ§¹Õé ÃÙ»·Õè P10-3 ¡ÒÃàÅ×Í¡¤Í¹â·ÃÅ Microsoft FlexGrid Control 6.0 à¾×èÍãª ã¹â»Ãá¡ÃÁ ·´ÅÍ§¢Ñº LED ´ÍµàÁµÃÔ¡«

Private Sub InitialFlexGrid() Dim i As Integer For i = 0 To 6 flx.RowHeight(i) = 200 ‘ Set cell height = 200 Next i For i = 0 To 19 flx.ColWidth(i) = 200 ‘ Set cell width = 200 Next i End Sub

¡ÒÃÍ Ò§µíÒáË¹ §º¹ FlexGrid ¨ÐÍÂÙã ¹ ÅÑ¡É³ÐµÒÃÒ§ ¡ÒÃà¡çº¢ ÍÁÙÅ¤ÇÃãª µÑÇá»Ã·Õè FlexGrid CommandButton à» ¹ªØ´ÍÒÃ àÃÂ ã¹·Õ¹è ¨Õé Ðãª ÍÒÃ àÃÂ 2 ÁÔµÔ ¢¹Ò´ 7x20 àÁ×Íè ãª ¤Çº¤Ù¡ ºÑ FlexGrid ¨Ð·íÒãË ¡ÒÃ·íÒ §Ò¹§ ÒÂ¢Ö¹é µÑÇá»Ã¹Õ¨é Ðãª ã¹ÅÑ¡É³ÐµÑÇá»ÃÃÇÁ (Global variable) ÊÒÁÒÃ¶àÃÕ Â ¡ãª ä ´ ·Ø ¡ â»Ãá¡ÃÁÂ ÍÂã¹¿ÍÃ Á â´Âµ Í§»ÃÐ¡ÒÈµÑÇá»Ã ·ÕÊè Ç ¹ General Declaration ¤×ÍÊ Ç¹·ÕÍè ÂÙº ¹ÊØ´ ¢Í§â»Ãá¡ÃÁ ¡ÒÃ»ÃÐ¡ÒÈµÑÇá»Ã¨Ðµ Í§à¢ÕÂ¹ ÃÙ»·Õè P10-4 áÊ´§¡ÒÃÊÃ Ò§¿ÍÃ ÁÊíÒËÃÑº â»Ãá¡ÃÁ´Ñ§¹Õé ¡ÒÃ·´ÅÍ§¾Ã ÍÁ¡Ñº¡ÒÃ¡íÒË¹´¤Ø³ÊÁºÑµÔ Dim flgDot(0 To 19, 0 To 6) As ¢Í§¤Í¹â·ÃÅ FlexGrid áÅÐ Command Boolean Button ÊíÒËÃÑº¡ÒÃ·´ÅÍ§¢Ñº LED ´Íµ «Öè§ÊÒÁÒÃ¶¨íÒÅÍ§ÅÑ¡É³Ð¢Í§µÑÇá»Ã àÁµÃÔ¡« 7x20 ¼ Ò¹ºÍÃ ´ EX-04A ä´ ´Ñ§¹Õé Name

flx

Name

cmdRndData

Cols

Caption

Random

Rows

FixedCols

FixedRows

FocusRect

0-flexFocusNone

HighLight

0-flexHighlightNever

High

1455

Width

4000

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 84

...

flgDot(0,0)

flgDot(1,0)

flgDot(2,0)

...

flgDot(19,0)

flgDot(0,1)

flgDot(1,1)

flgDot(2,1)

...

flgDot(19,1)

flgDot(0,2)

flgDot(1,2)

flgDot(2,2)

...

flgDot(19,2)

...

flgDot(0,6)

flgDot(1,6)

flgDot(2,6)

...

flgDot(19,6)

10.10 àÃÕÂ¡ãª â»Ãá¡ÃÁÂ ÍÂ InitialFlexGrid áÅÐà¤ÅÕÂÃ ¤Ò µÑÇá»Ã flgDot ·Õàè ËµØ¡ÒÃ³ Form_Load Private Sub Form_Load() Dim i As Integer Dim j As Integer InitialFlexGrid For i = 0 To 6 For j = 0 To 19 flgDot(j, i) = False Next j Next i InitialDatabus RowRST ColRST ColLE End Sub

‘ Clear all dot matrix buffer

‘ ‘ ‘ ‘

Initial databus Reset row counter Reset column data Latch column data

10.11 à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ºÑ àËµØ¡ÒÃ³ flx_Click Private Sub flx_Click() flx.Visible = False If flx.CellBackColor = vbRed Then flx.CellBackColor = vbWhite flgDot(flx.Col, flx.Row) = False ‘ Clear point dot matrix buffer Else flx.CellBackColor = vbRed flgDot(flx.Col, flx.Row) = True ‘ Set point dot matrix buffer End If flx.Visible = True End Sub

àÁ×èÍãª àÁÒÊ ¤ÅÔé¡·Õè flx ¨ÐÁÕÊÕá´§µÔ´¢Öé¹ã¹ª Í§·Õè¤ÅÔé¡ àÁ×èÍ¤ÅÔé¡«éíÒ¨ÐÊÅÑº¡ÅÒÂà» ¹ ÊÕ¢ÒÇ ¾Ã ÍÁ¡Ñºà¡çº¢ ÍÁÙÅÅ§ã¹µÑÇá»Ã àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 85

10.12 à»ÅÕÂè ¹â»Ãá¡ÃÁã¹àËµØ¡ÒÃ³ cmdRun_Click â´ÂãË Ê§ ¢ ÍÁÙÅ¨Ò¡µÑÇá»Ã flgDot á·¹ ÅÍ¨Ô¡ 1 ´Ñ§¹Õé ¨Ò¡ ColDA True à» ¹ ColDA flgDot(j, i)áÅÐà»ÅÕÂè ¹¤ ÒË¹ Ç§àÇÅÒ¨Ò¡ 100ms ãË à» ¹ 1ms 10.13 ·´ÅÍ§ÃÑ¹â»Ãá¡ÃÁ â´ÂÊØÁ ¤ÅÔ¡é ·Õè flx ãË à¡Ô´ÊÕá´§¡ÃÐ¨ÒÂä»·ÑÇè áÅ Ç¡´»ØÁ Run ¨ÐàËç¹ à» ¹á¶ºÊÕá´§ à¹×Íè §¨Ò¡áÊ´§¼Åµ Íà¹×Íè §¡Ñ¹·íÒãË àËç¹à» ¹á¶ºÊÕá´§ 10.14 »ÃÐ¡ÒÈµÑÇá»Ã flgRun ·ÕÊè Ç ¹ Declaration ÊíÒËÃÑºÇ¹ÅÙ»à¾×Íè ãË áÊ´§¼Åµ Íà¹×Íè §´Ñ§¹Õé Dim flgRun as Boolean

áÅÐá¡ ä¢â»Ãá¡ÃÁ´Ñ§¹Õé Private Sub cmdRun_Click() Dim i As Integer Dim j As Integer If flgRun Then flgRun = False cmdRun.Caption = “Run” Exit Sub Else flgRun = True cmdRun.Caption = “Stop” RowRST ColRST End If ColOE False For i = 0 To 6 RowCLK For j = 19 To 0 Step -1 DoEvents ColDA flgDot(j, i) ColCLK Next j ColLE hp.Delay_ms 1 ColRST ColLE Next i RowRST ColOE True End Sub

‘ Reset row counter ‘ Reset column data ‘ Column data output enable ‘ send row clock

‘ send data 1 to column data ‘ send column clock ‘ ‘ ‘ ‘

Latch Delay Reset Latch

column data 100 ms column data column data

‘ Reset row counter ‘ Column data output disable

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 86

10.15 à¾ÔÁè â»Ãá¡ÃÁÂ ÍÂÊíÒËÃÑºÍÍ¡¨Ò¡â»Ãá¡ÃÁ¡ÒÃáÊ´§¼Å·Õàè ËµØ¡ÒÃ³ Form_QueryUnload áÅÐ Form_Unload ´Ñ§¹Õé Private Sub Form_QueryUnload (Cancel As Integer, UnloadMode As Integer) flgRun = False End Sub Private Sub Form_Unload(Cancel As Integer) End End Sub

10.16 à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ÑºàËµØ¡ÒÃ³ cmdRndData_Click ÊíÒËÃÑº¡ÒÃÊÃ Ò§¢ ÍÁÙÅÊØ Áº¹ flx à¾×èÍãª ÊíÒËÃÑº·´ÊÍº¡ÒÃáÊ´§¼Å¡Ñº´ÍµàÁµÃÔ¡« ´Ñ§¹Õé Private Sub cmdRndData_Click() Dim i As Integer Dim j As Integer Dim tmp As Double flx.Visible = False Randomize For i = 0 To 6 flx.Row = i For j = 0 To 19 flgDot(j, i) = CBool(Round(Rnd)) flx.Col = j If flgDot(j, i) Then flx.CellBackColor = vbRed Else flx.CellBackColor = vbWhite End If Next j Next i flx.Visible = True End Sub

ÃÒÂÅÐàÍÕ Â ´¢Í§â»Ãá¡ÃÁ ·´ÅÍ§¹Õé´Ùä´ ¨Ò¡ä¿Å LAB10B.VBP ã¹ÃÙ»·Õè P10-5 áÊ´§¼Å¡ÒÃ·íÒ§Ò¹¢Í§ â»Ãá¡ÃÁ·´ÅÍ§¹Õé ÃÙ»·Õè P10-5 ¼Å¡ÒÃ·íÒ§Ò¹¢Í§â»Ãá¡ÃÁ·´ÅÍ§ LAB10B.VBP àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 87

¡ÒÃ·´ÅÍ§¢Ñº LED ´ÍµàÁµÃÔ¡« º¹ºÍÃ ´ EX-04A à¾×Íè áÊ´§µÑÇÍÑ¡ÉÃ àÁ×Íè µ Í§¡ÒÃáÊ´§µÑÇÍÑ¡ÉÃ¨Ðµ Í§à»ÅÕÂè ¹¨Ò¡µÑÇÍÑ¡ÉÃÁÒà» ¹µÒÃÒ§¢Í§¢ ÍÁÙÅ ¨Ò¡¹Ñ¹é ¨Ö§ãª ÇÔ¸ÕáÊ´§¼Åáººà´ÕÂÇ¡Ñº·Õè¼ Ò¹ÁÒ 10.17 ÊÃ Ò§ TextBox ÊíÒËÃÑº¾ÔÁ¾ µÇÑ ÍÑ¡ÉÃ·Õµè Í §¡ÒÃ áÅÐá¡ ¤³ Ø ÊÁºÑµ¢Ô Í§ TextBox ´Ñ§ÃÙ»·Õè P10-6 TextBox Name

txt

MaxLength

ÃÙ»·Õè P10-6 µÑÇÍÂ Ò§¿ÍÃ ÁáÅÐ¡ÒÃ¡íÒË¹´¤Ø³ÊÁºÑµÊÔ Òí ËÃÑº·´ÅÍ§¢Ñº LED ´ÍµàÁµÃÔ¡« ãË áÊ´§µÑÇÍÑ¡ÉÃ 10.18 »ÃÐ¡ÒÈµÑÇá»Ã·Õãè ª à¡çº¢ ÍÁÙÅ¿Í¹µ ã¹Ê Ç¹ General Declaration â´Âà» ¹µÑÇá»ÃÍÒÃ àÃÂ 2 ÁÔµÔ ´Ñ§¹Õé Dim Char(1 To 128, 1 To 5) As Integer

10.19 ÊÃ Ò§¿Í¹µ ÊÒí ËÃÑº LED ´ÍµàÁµÃÔ¡« ´Ç Ââ»Ãá¡ÃÁÂ ÍÂ BuildFontMap ´Ñ§áÊ´§äÇ áÅ Ç ã¹Ê Ç¹¢Í§·ÄÉ®Õ 10.20 ÊÃ Ò§â»Ãá¡ÃÁÂ ÍÂÊíÒËÃÑºÃÑºµÑÇÍÑ¡ÉÃ¨Ò¡ txt ÁÒá»Å§à» ¹¢ ÍÁÙÅã¹ÃÙ»áºº¢Í§¿Í¹µ áÅÐ ¹íÒä»à¡çºäÇ ã¹µÑÇá»Ã flgDot à¾×Íè ¾Ã ÍÁã¹¡ÒÃáÊ´§¼Å·Õ´è ÍµàÁµÃÔ¡« Private Sub ReadText() Dim i As Integer Dim j As Integer Dim k As Integer Dim tmpAsc As Integer Dim tCol As Integer Dim tRow As Integer Dim tmpstr As String tmpstr = txt.Text & “ “ flx.Visible = False For i = 0 To 3 tmpAsc = Asc(Mid(tmpstr, i + 1, 1))

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 88

For j = 0 To 4 flx.Col = (i * 5) + j tCol = (i * 5) + j For k = 0 To 6 flx.Row = 6 - k tRow = 6 - k If (Char(tmpAsc, j + 1) And (2 ^ k)) = (2 ^ k) Then flx.CellBackColor = vbRed flgDot(tCol, tRow) = True Else flx.CellBackColor = vbWhite flgDot(tCol, tRow) = False End If Next k Next j Next i flx.Visible = True End Sub

10.21 àÃÕÂ¡ãª â»Ãá¡ÃÁÂ ÍÂ BuildFontMap ·Õàè ËµØ¡ÒÃ³ Form_Load Private Sub Form_Load() Dim i As Integer Dim j As Integer BuildFontMap InitialFlexGrid For i = 0 To 6 For j = 0 To 19 flgDot(j, i) = False Next j Next i InitialDatabus RowRST ColRST ColLE End Sub

‘ Clear all dot matrix buffer

‘ ‘ ‘ ‘

Initial databus Reset row counter Reset column data Latch column data

10.22 àÃÕÂ¡ãª â»Ãá¡ÃÁÂ ÍÂ ReadText ã¹ÅÙ»¢Í§¡ÒÃáÊ´§¼Å·Õ´è ÍµàÁµÃÔ¡« à¾×Íè ·íÒ¡ÒÃÍ Ò¹¤ Ò ¨Ò¡ txt ¡ Í¹¨Ð·íÒ¡ÒÃáÊ´§¼ÅÃÍºãËÁ

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 89

ÃÙ»·Õè P10-7 ¼Å¡ÒÃ·íÒ§Ò¹¢Í§ â»Ãá¡ÃÁ·´ÅÍ§ LAB10-3.VBP Do While flgRun ReadText For i = 0 To 6 RowCLK For j = 19 To 0 Step -1 DoEvents ColDA flgDot(j, i) matrix buffer to column data ColCLK Next j ColLE hp.Delay_ms 1 ColRST ColLE Next i RowRST Loop

‘ send row clock

‘

send

data

from

dot

‘ send column clock ‘ ‘ ‘ ‘

Latch Delay Reset Latch

column data 100 ms column data column data

‘ Reset row counter

ÃÒÂÅÐàÍÕÂ´¢Í§â»Ãá¡ÃÁ·´ÅÍ§¹Õ´é äÙ ´ ¨Ò¡ä¿Å LAB13C.VBP ã¹ÃÙ»·Õè P10-7 áÊ´§¼Å¡ÒÃ ·íÒ§Ò¹¢Í§â»Ãá¡ÃÁ·´ÅÍ§¹Õé

» ¨¨Øº¹Ñ ºÍÃ ´ EX-04A ·Õãè ª ã¹º·¹Õäé ´ ËÂØ´¡ÒÃ¼ÅÔµ ´Ñ§¹Ñ¹é ¢ ÍÁÙÅã¹º·¹Õ¨é §Ö à» ¹ ¡ÒÃ¹íÒàÊ¹Íà¾×Íè à» ¹¤ÇÒÁÃÙà · Ò¹Ñ¹é

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 90

º··Õè 8 ¡ÒÃ¢ÂÒÂ¤ÇÒÁÊÒÁÒÃ¶¢Í§ ¾ÍÃ µ¢¹Ò¹¼ Ò¹ÃÐºººÑÊ I2C I2C Â ÍÁÒ¨Ò¡ Inter-IC Communication ËÁÒÂ¶Ö§ ¡ÒÃµÔ´µ ÍÊ×Íè ÊÒÃÃÐËÇ Ò§äÍ«Õ â´ÂºÑÊ I2C ¾Ñ²¹Ò¢Ö¹é â´Â¿ Å»Ô Ê (Philips) ´ ÇÂ¨Ø´ÁØ§ ËÁÒÂËÅÑ¡¤×Í µ Í§¡ÒÃãË äÍ«ÕËÃ×ÍâÁ´ÙÅÊÒÁÒÃ¶µÔ´µ Í ÊÑè§§Ò¹áÅÐ¤Çº¤ØÁÀÒÂãµ ÊÒÂÊÑÒ³à¾ÕÂ§ 2 àÊ ¹ àÊ ¹Ë¹Öè§¤×ÍÊÒÂ¢ ÍÁÙÅ ÍÕ¡àÊ ¹Ë¹Öè§¤×ÍÊÒÂ ÊÑÒ³¹ÒÌ ¡Ò·Õãè ª ã¹¡ÒÃ¡íÒË¹´¨Ñ§ËÇÐ¡ÒÃ·íÒ§Ò¹ ¡ÒÃµ ÍÃ ÇÁ¡Ñ¹¢Í§ÍØ»¡Ã³ º¹ºÑÊ I2C ·íÒä´ § ÒÂÁÒ¡ à¾ÕÂ§µ ÍÊÒÂ¢ ÍÁÙÅáÅÐÊÒÂÊÑÒ³¹ÒÌ ¡Ò¢Í§ÍØ»¡Ã³ áµ ÅÐµÑÇ¢¹Ò¹ËÃ×Í¾ Ç§¡Ñ¹ä» Ê Ç¹ ¡ÒÃ¡íÒË¹´áÍ´à´ÃÊËÃ×ÍµíÒáË¹ §ÊíÒËÃÑºµÔ´µ ÍÍØ»¡Ã³ áµ ÅÐµÑÇ ¨Ðãª ÃËÑÊ¢ ÍÁÙÅáÅÐ¡ÒÃ¡íÒË¹´ ÊÀÒÇÐÅÍ¨Ô¡·Õè¢ÒáÍ´à´ÃÊ¢Í§ÍØ»¡Ã³ áµ ÅÐµÑÇ ÊÒÂ¢ ÍÁÙÅº¹ºÑÊ I2C ÁÕªÍ×è àÃÕÂ¡ÍÂ Ò§à» ¹·Ò§¡ÒÃÇ Ò ÊÒÂ¢ ÍÁÙÅÍ¹Ø¡ÃÁËÃ×Í SDA (Serial Data line) Ê Ç¹ÊÒÂÊÑÒ³¹ÒÌ ¡ÒÁÕªÍ×è àÃÕÂ¡Ç Ò ÊÒÂÊÑÒ³¹ÒÌ ¡ÒÍ¹Ø¡ÃÁËÃ×Í SCL (Serial Clock line) ã¹¡ÒÃÍ¸ÔºÒÂµ Íä»¹Õ¨é ÐàÃÕÂ¡ÊÒÂÊÑÒ³·Ñ§é ÊÍ§Ç Ò ÊÒÂ SDA áÅÐ SCL

¤Ø³ÊÁºÑµâÔ ´Â·ÑÇè ä»¢Í§ºÑÊ I2C ÊÒÂ SDA áÅÐ SCL à» ¹ÊÒÂÊÑÒ³ 2 ·ÔÈ·Ò§ (bi-directional line) µ Í§ÁÕ¡ÒÃµ ÍµÑÇµ Ò¹ ·Ò¹¾ÙÅÍÑ»¡ÑºáÃ§´Ñ¹ +5V äÇ µÅÍ´àÇÅÒ à¾×Íè ãË ÊÒÂÁÕÊ¶Ò¹ÐÅÍ¨Ô¡ÊÙ§ã¹¢³Ð·Õäè Á Á¡Õ ÒÃãª §Ò¹ ·Ñ§é ÂÑ§ª ÇÂã¹¡ÒÃ» Í§¡Ñ¹ÊÑÒ³Ãº¡Ç¹·ÕÍè Ò¨ÁÕà¢ ÒÁÒã¹ÊÒÂÊÑÒ³·Ñ§é ÊÍ§ Ç§¨ÃàÍÒµ ¾µØ ¢Í§ÍØ»¡Ã³ ·Õµè Í ÍÂÙº ¹ºÑÊ I2C µ Í§ÁÕÅ¡Ñ É³Ðà» ¹Ç§¨Ãà´Ã¹à» ´ (open-drain) ËÃ×Í¤ÍÅàÅç¡àµÍÃ à» ´ (opencollector) ´Ñ§áÊ´§ÃÒÂÅÐàÍÕÂ´ã¹ÃÙ»·Õè 8-1 ÍÑµÃÒ¡ÒÃ¶ ÒÂ·Í´¢ ÍÁÙÅº¹ºÑÊ I2C ÊÙ§¶Ö§ 100 ¡ÔâÅºÔµµ ÍÇÔ¹Ò·Õã¹âËÁ´»¡µÔ (standard mode) áÅÐÊÙ§¶Ö§ 400 ¡ÔâÅºÔµµ ÍÇÔ¹Ò·Õã¹âËÁ´¤ÇÒÁàÃçÇÊÙ§ (fast mode) ÍØ»¡Ã³ ·µÕè Í Ã ÇÁÍÂÙº ¹ ºÑÊ I2C ¨Ðµ Í§ÁÕ¤Ò ¤ÇÒÁ¨Øä¿¿ ÒÃÇÁ·Õàè ¡Ô´¢Ö¹é ÃÐËÇ Ò§ÊÒÂ SDA áÅÐ SCL äÁ à¡Ô¹ 400pF ¡ÒÃà¢ Ò ¶Ö§ÍØ»¡Ã³ º¹ºÑÊ I2C ·íÒä´ 2 áºº¤×Í 7 ºÔµ (7-bit addressing) áÅÐ 10 ºÔµ (10-bit addressing) ¢ Íà´ ¹ÍÕ¡»ÃÐ¡ÒÃË¹Öè§¢Í§ºÑÊ I2C ¤×Í ÊÒÁÒÃ¶àª×èÍÁµ ÍÍØ»¡Ã³ ·Õèãª ä¿àÅÕéÂ§äÁ à· Ò¡Ñ¹ãË ÊÒÁÒÃ¶µÔ´µ ÍÊ×Íè ÊÒÃ¡Ñ¹ä´ â´ÂÍØ»¡Ã³ º¹ºÑÊ I2C µÑÇË¹Ö§è ÍÒ¨ãª ä¿àÅÕÂé § +5V ã¹¢³Ð·ÕÍè ¡Õ µÑÇË¹Ö§è ãª ä¿àÅÕÂé § +12V ¡ÒÃµ ÍÃ ÇÁ¡Ñ¹º¹ºÑÊ I2C ÊÒÁÒÃ¶¡ÃÐ·íÒä´ ã¹ÅÑ¡É³Ðà´ÕÂÇ¡Ñº¡Ã³Õ·ÍÕè »Ø ¡Ã³ ·Ñ§é ÊÍ§ãª ä¿àÅÕÂé §à· Ò¡Ñ¹ ¡Å ÒÇ¤×Í ãË µÍ ÊÒÂ SDA áÅÐ SCL ¢Í§ÍØ»¡Ã³ áµ ÅÐµÑÇà¢ Ò´ ÇÂ¡Ñ¹ áÅÐ µ Í§µ ÍµÑÇµ Ò¹·Ò¹¾ÙÅÍÑ» (RP) à¢ Ò¡ÑºáÃ§´Ñ¹ +5V äÇ ´Ç ÂàÊÁÍ ´Ñ§áÊ´§ã¹ÃÙ»·Õè 8-2 àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 91

+5V

SDA (Serial Data line)

SCL (Serial Clock line)

SCLKN1 OUT

DATAN1 OUT

SCLKN2 OUT

DATAN2 OUT

SCLK IN

DATA IN

SCLK IN

DATA IN

ÍØ»¡Ã³ I C ºÑÊ µÑÇ·Õè 1

ÍØ»¡Ã³ I C ºÑÊ µÑÇ·Õè 2

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+5V

+9V

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ÍØ»¡Ã³ 1 + ºÑÊ ª¹Ô´ BICMOS

ÍØ»¡Ã³ 1 + ºÑÊ ª¹Ô´ CMOS

ÍØ»¡Ã³ 1 + ºÑÊ ª¹Ô´ BIPOLAR

SDA SCL

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R2 SDA

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SDA

SCL

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àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 96

¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁà¾×Íè ÊÃ Ò§ÊÑÒ³µ Ò§ æ ÊíÒËÃÑººÑÊ I2C à¾×Íè ãË §Ò Âµ Í¡ÒÃàÃÕÂ¡ãª §Ò¹ ´Ñ§¹Ñ¹é ¡ÒÃµÔ´µ Í¡ÑººÑÊ I2C â´Âãª ¾ÍÃ µ¢¹Ò¹¨Ö§µ Í§à¢ÕÂ¹ â»Ãá¡ÃÁÂ ÍÂà¾×Íè ÊÃ Ò§ÊÀÒÇÐµ Ò§æ ¢Í§ÃÐºººÑÊ I2C à¾×Íè ÊÃ Ò§à» ¹âÁ´ÙÅÊíÒËÃÑºµÔ´µ Í¡ÑººÑÊ I2C «Öè§ÁÕÃÒÂÅÐàÍÕÂ´¢Í§â»Ãá¡ÃÁ´Ñ§¹Õé

ÊÑÒ³ SDA 0 Private Sub SDA_L() Out &H37A, Inp(&H37A) And &HFE End Sub

‘SDA=0

ÊÑÒ³ SDA 1 Private Sub SDA_H() Out &H37A, Inp(&H37A) Or 1 End Sub

‘SDA=1

ÊÑÒ³ SCL 0 Private Sub SCL_L() Out &H37A, Inp(&H37A) And &HFD End Sub

‘SCL=0

ÊÑÒ³ SCL 1 Private Sub SCL_H() Out &H37A, Inp(&H37A) Or 2 End Sub

‘SCL=1

Í Ò¹ÊÑÒ³¨Ò¡ SDA Private Function Rd_SDA() As Boolean SDA_H Rd_SDA = (Inp(&H379) And &H80) <> &H80 End Function

ÊÑÒ³ Start Public Sub I2CStart() SDA_H SCL_H SDA_L SCL_L End Sub

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 97

ÊÑÒ³ Stop Public Sub I2CStop() SDA_L SCL_H SDA_H End Sub

Ê §¢ ÍÁÙÅÅÍ¨Ô¡ 0 Public Sub Send0() SDA_L SCL_H SCL_L End Sub

Ê §¢ ÍÁÙÅÅÍ¨Ô¡ 1 Public Sub Send1() SDA_H SCL_H SCL_L End Sub

Í Ò¹ÊÑÒ³ Acknowledge Public Function Ack() As Boolean Ack = Not Rd_SDA SCL_H SCL_L End Function

¡ÒÃÍ Ò¹ÊÑÒ³ Acknowledge ¨Ò¡ÍØ»¡Ã³ Slave ¨Ðª ÇÂãË µÃÇ¨ÊÍºä´ ÇÒ ÍØ»¡Ã³ ·µÕè ´Ô µ Í¹Ñ¹é ÂÑ§·íÒ§Ò¹ÍÂÙË Ã×ÍäÁ

Ê §ÊÑÒ³ Master Acknowledge Public Sub MAck() SDA_L SCL_H SCL_L End Sub

Ê §ÊÑÒ³ Master Not Acknowledge Public Sub MNAck() SCL_H SCL_L End Sub

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 98

â»Ãá¡ÃÁÂ ÍÂÃÑºÊ §ËÃ×ÍÍ Ò¹à¢ÕÂ¹¢ ÍÁÙÅ 8 ºÔµ ã¹¡ÒÃÊ §áÅÐÃÑº¢ ÍÁÙÅ 8 ºÔµº¹ÃÐºººÑÊ I2C ÊÒÁÒÃ¶à¢ÕÂ¹â»Ãá¡ÃÁÂ ÍÂä´ ´§Ñ ¹Õé

Ê §¢ ÍÁÙÅ 8 ºÔµ Public Sub Send8BIT(Data As Byte) Dim i As Integer For i = 7 To 0 Step -1 ‘ Loop 7 Cycle If (Data And 2 ^ i) = 2 ^ i Then ‘Test Bit 0 OR 1 Call Send1 Else Call Send0 End If Next i End Sub

Í Ò¹¢ ÍÁÙÅ 8 ºÔµ Public Function Read8Bit() As Byte Dim Dat1 As Integer Dim i As Integer For i = 7 To 0 Step -1 If Rd_SDA Then ‘Read SDA Dat1 = (2 ^ i) Or Dat1 End If SCL_H SCL_L Next i Read8Bit = Dat1 End Function

‘Data 8 Bit

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9. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ PCF8591 10. Í Ò¹¤ Ò¨Ò¡¢ÒÍÔ¹¾Øµ¢Í§Ç§¨Ãá»Å§ÊÑÒ³ÍÐ¹ÒÅÍ¡à» ¹´Ô¨µÔ ÍÅª Í§·Õè 1 11. Ê §ÊÑÒ³ MAck (Master Ack) ä»ÂÑ§ PCF8591 12. Í Ò¹¤ Ò¨Ò¡¢ÒÍÔ¹¾Øµ¢Í§Ç§¨Ãá»Å§ÊÑÒ³ÍÐ¹ÒÅÍ¡à» ¹´Ô¨µÔ ÍÅª Í§·Õè 2 13. Ê §ÊÑÒ³ MAck (Master Ack) ä»ÂÑ§ PCF8591 14. Í Ò¹¤ Ò¨Ò¡¢ÒÍÔ¹¾Øµ¢Í§Ç§¨Ãá»Å§ÊÑÒ³ÍÐ¹ÒÅÍ¡à» ¹´Ô¨µÔ ÍÅª Í§·Õè 3 15. Ê §ÊÑÒ³ MAck (Master Ack) ä»ÂÑ§ PCF8591 16. Í Ò¹¤ Ò¨Ò¡¢ÒÍÔ¹¾Øµ¢Í§Ç§¨Ãá»Å§ÊÑÒ³ÍÐ¹ÒÅÍ¡à» ¹´Ô¨µÔ ÍÅª Í§·Õè 4 17. ÃÍÃÑºÊÑÒ³ ACK 18. Ê §ÊÑÒ³ STOP ¨Ò¡¢Ñ¹é µÍ¹´Ñ§¡Å ÒÇÊÒÁÒÃ¶à¢ÕÂ¹à» ¹â»Ãá¡ÃÁÂ ÍÂ´ ÇÂ Visual BASIC ä´ ´§Ñ ¹Õé â»Ãá¡ÃÁÂ ÍÂ¡ÒÃÍ Ò¹¤ ÒÊÑÒ³ÍÐ¹ÒÅÍ¡ 4 ª Í§áººµ Íà¹×Íè §ÊíÒËÃÑº PCF8591 Private Sub Timer1_Timer() Call I2CStart Call Send8BIT(&H90) Call Ack Call Send8BIT(&H45) Call Ack Call I2CStop Call I2CStart Call Send8BIT(&H91) Call Ack Text1.Text = (Read8Bit * 5) Call MAck Text2.Text = (Read8Bit * 5) Call MAck Text3.Text = (Read8Bit * 5) Call MAck Text4.Text = (Read8Bit * 5) Call Ack Call I2CStop End Sub

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5 256

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Ê Ç¹¡ÒÃ¤íÒ¹Ç³¤ ÒáÃ§´Ñ¹¨Ò¡¤ Ò¢ ÍÁÙÅ·ÕèÍ Ò¹ä´ ¨Ðä´ ÁÒ¨Ò¡ÊÙµÃ ¤ ÒáÃ§´Ñ¹ = ¤ Ò·ÕÍè Ò ¹ä´ X ¤ ÒáÃ§´Ñ¹àµçÁÊà¡Å / ¤ ÒÊÙ§ÊØ´¢Í§µÑÇàÅ¢ 8 ºÔµ ÊÁÁµÔ Í Ò¹¤ Ò¨Ò¡ PCF8591 ä´ ¤Ò à· Ò¡Ñº 128 ¤ ÒáÃ§´Ñ¹·Õáè · ¨ÃÔ§·Õ»è Í ¹ãË ¡ºÑ ÍÔ¹¾Øµ ¨ÐÁÕ ¤ Òà· Ò¡Ñº

128 × 5 = 2.5V 256

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+ -

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CH-2

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¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§Ç§¨Ãá»Å§ÊÑÒ³´Ô¨µÔ ÍÅà» ¹ÍÐ¹ÒÅÍ¡¢Í§ PCF8591 PCF8591 ¹Í¡¨Ò¡¨ÐÁÕÇ§¨Ãá»Å§ÊÑÒ³ÍÐ¹ÒÅÍ¡à» ¹´Ô¨ÔµÍÅáÅ ÇÂÑ§ÁÕÇ§¨Ãá»Å§ ÊÑÒ³´Ô¨µÔ ÍÅà» ¹ÍÐ¹ÒÅÍ¡ÍÂÙÀ ÒÂã¹µÑÇ´ ÇÂ ¡ÒÃÊ §¤ Ò¢ ÍÁÙÅÍÍ¡ä»ÂÑ§ PCF8591 ¨Ðà» ¹¡ÒÃ Ê §¤ ÒÍÍ¡ä»ÂÑ§Ç§¨Ãá»Å§ÊÑÒ³´Ô¨µÔ ÍÅà» ¹ÍÐ¹ÒÅÍ¡ â´Âµ Í§ÁÕÃ»Ù áººã¹¡ÒÃÊ §¢ ÍÁÙÅ´Ñ§¹Õé 1. Ê §ÊÑÒ³ START 2. Ê §¢ ÍÁÙÅ¡íÒË¹´áÍ´à´ÃÊâ´ÂãË ·Òí §Ò¹ã¹âËÁ´à¢ÕÂ¹¢ ÍÁÙÅ (ºÔµ R/W ÁÕ¤Ò à» ¹ÅÍ¨Ô¡ 0 ) 3. ÃÍÃÑºÊÑÒ³ ACK 4. Ê §¢ ÍÁÙÅ¤Çº¤ØÁ 44H ä»ÂÑ§ PCF8591 à¾×Íè àÍç¹àÍàºÔÅÍÐ¹ÒÅÍ¡àÍÒµ ¾µØ 5. ÃÍÃÑºÊÑÒ³ ACK 6. Ê §¢ ÍÁÙÅä»ÂÑ§àÍÒµ ¾µØ ÍÐ¹ÒÅÍ¡ â´Â¤ Ò·ÕÊè § ÍÍ¡ä»¨Ðµ Í§ÁÕ¤Ò ÍÂÙÃ ÐËÇ Ò§ 0-255 7. ÃÍÃÑºÊÑÒ³ ACK 8. Ê §ÊÑÒ³ STOP ¨Ò¡¢Ñ¹é µÍ¹´Ñ§¡Å ÒÇ¢ Ò§µ ¹ÁÒà¢ÕÂ¹à» ¹â»Ãá¡ÃÁÂ ÍÂ´ ÇÂ Visual BASIC ´Ñ§¹Õé â»Ãá¡ÃÁÂ ÍÂÊ §¢ ÍÁÙÅä»ÂÑ§ÍÐ¹ÒÅÍ¡àÍÒµ ¾µØ Private Sub Text5_Change() If Val(Text5.Text) > 5 Then Text5.Text = 5 Call I2CStart Call Send8BIT(&H90) Call Ack Call Send8BIT(&H44) Call Ack Call Send8BIT(Val(Text5.Text) * 51.2) Call Ack Call I2CStop End Sub

â»Ãá¡ÃÁÂ ÍÂ¹Õ¨é Ðãª TextBox ÍÕ¡µÑÇË¹Ö§è ¤×Í Text5 ÁÒà» ¹µÑÇ¡íÒË¹´¤ ÒáÃ§´Ñ¹·Õ¨è ÐÊ §ä» ãË ¡ºÑ PCF8591 â´Â¤ Ò·Õ¨è ÐÊ §ÍÍ¡ä»¹Õ¨é Ðµ Í§¹íÒÁÒ¤Ù³´ ÇÂ 51.2 (µÑÇàÅ¢ 51.2 ÁÒ¨Ò¡ ¤ Ò¢ ÍÁÙÅ ÊÙ§ÊØ´ 8 ºÔµËÒÃ´ ÇÂ¤ ÒáÃ§´Ñ¹àµçÁÊà¡Å : 256/5 ) àÊÕÂ¡ Í¹à¾×Íè à»ÅÕÂè ¹¤ ÒáÃ§´Ñ¹·Õ¡è Òí Ë¹´Å§ä»ãË à» ¹¤ Ò¢ ÍÁÙÅ 8 ºÔµàÊÕÂ¡ Í¹ àÁ×Íè ¼Ùã ª §Ò¹à»ÅÕÂè ¹¤ Ò¢ ÍÁÙÅãË Text5 áÅ ÇãË àÍÒÁÑÅµÔÁàÔ µÍÃ ÁÒÇÑ´¤ Ò áÃ§´Ñ¹·ÕèàÍÒµ ¾ØµÍÐ¹ÒÅÍ¡¢Í§ PCF8591 ¨ÐàËç¹¤ ÒáÃ§´Ñ¹à»ÅÕèÂ¹á»Å§ä»µÒÁ¤ Ò·Õè» Í¹Å§ä» ËÃ×ÍÊÒÁÒÃ¶¹íÒàÍÒ¢ÒÍÔ¹¾Øµ¢Í§ PCF8591 µ Í¾ Ç§¡Ñº¢ÒàÍÒµ ¾µØ ¢Í§ PCF8591 à¾×Íè Í Ò¹¤ ÒÍÍ¡ àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 117

ÁÒâ´ÂµÃ§·Ò§¨ÍÀÒ¾¡çä´ â´ÂË¹ ÒµÒ¢Í§â»Ãá¡ÃÁàÁ×Íè à¾ÔÁè Text5 à¢ Òä»áÊ´§ã¹ÃÙ»·Õè P12-4 Ê Ç¹â»Ãá¡ÃÁ·Õáè ¡ ä¢à¾ÔÁè àµÔÁàÃÕÂ¡ãª §Ò¹ä´ ¨Ò¡ LAB12B.VBP ã¹á¼ ¹«Õ´ÃÕ ÍÁ 12.10 ãË ãÊ ¨ÁÑê à»ÍÃ à¾×Íè àÅ×Í¡áÍ´à´ÃÊ A2-A0 ¢Í§äÍ«Õ PCF8591 º¹ºÍÃ ´ EX-08 äÇ ·Õè 000 12.11 àª×Íè Áµ Í P-Board ¡Ñº EX-08 â´Âãª ÊÒÂ I2C ´Ñ§áÊ´§ã¹ÃÙ»·Õè P13-2 12.12 à» ´â»Ãá¡ÃÁ Visual BASIC àÃÕÂ¡ä¿Å LAB12B.VBP ¢Ö¹é ÁÒ·íÒ¡ÒÃÃÑ¹ ¨Ð»ÃÒ¡¯Ë¹ Ò¨Í ´Ñ§ã¹ÃÙ»·Õè P12-4 12.13 » Í¹¤ ÒáÃ§´Ñ¹·Õµè Í §¡ÒÃÅ§ã¹ª Í§ Text5 â´ÂÁÕ¢Í ¨íÒ¡Ñ´Ç Òµ Í§äÁ à¡Ô¹ 5 12.14 ãª ´¨Ô µÔ ÍÅÁÑÅµÔàµÍÃ àÅ×Í¡Â Ò¹ÇÑ´áÃ§´Ñ¹ä¿µÃ§ ÇÑ´·Õ¨è ´Ø ANALOG OUTPUT º¹ºÍÃ ´ EX08 ´Ñ§ã¹ÃÙ»·Õè P12-5 à»ÃÕÂºà·ÕÂº¤ ÒáÃ§´Ñ¹·ÕÇè ´Ñ ä´ ¡ºÑ ¤ Ò·Õ»è Í ¹ã¹ª Í§ Text5 12.15 ·íÒ¡ÒÃµ ÍÊÒÂ¨Ò¡¨Ø´ ANALOG OUTPUT à¢ Ò·ÕÍè ¹Ô ¾Øµ CH-1 º¹ºÍÃ ´ EX-08 ´Ñ§ã¹ÃÙ»·Õè P12-6 12.16 » Í¹¤ ÒáÃ§´Ñ¹·Õèµ Í§¡ÒÃÅ§ã¹ª Í§ Text5 â´ÂÁÕ ¢ Í¨íÒ¡Ñ´Ç Òµ Í§äÁ à¡Ô¹ 5 â´Â·´ÅÍ§» Í¹ËÅÒÂæ ¤ Ò 12.17 ÊÑ§à¡µ¼Å¡ÒÃà»ÅÕÂè ¹á»Å§¢Í§¢ ÍÁÙÅã¹ª Í§ Text1 Ç ÒÊÍ´¤Å Í§¡Ñº¤ Ò·Õ»è Í ¹ã¹ª Í§ Text5 ËÃ×ÍäÁ ¡ÒÃ·´ÅÍ§ã¹¢ Í12.13 áÅÐ 12.14 à» ¹¡ÒÃµÃÇ¨ ÊÍº¤ÇÒÁÊÒÁÒÃ¶¢Í§ PCF89591 ã¹¡ÒÃá»Å§¢ ÍÁÙÅ ´Ô¨ÔµÍÅà» ¹ÍÐ¹ÒÅÍ¡ â´Â¡ÒÃ¡íÒË¹´¢ ÍÁÙÅã¹ª Í§ Text5 â»Ãá¡ÃÁ¨Ð¹íÒ¢ ÍÁÙÅ¹Ñ¹é á»Å§à» ¹¢ ÍÁÙÅ´Ô¨µÔ ÍÅ ¡ Í¹ ¨Ò¡¹Ñ¹é Ê §ä»ÂÑ§ PCF8591 à¾×Íè á»Å§à» ¹ÊÑÒ³ ÍÐ¹ÒÅÍ¡Ê §ÍÍ¡ÁÒ·Õàè ÍÒµ ¾µØ ANALOG OUTPUT Ê Ç¹¡ÒÃ·´ÅÍ§ã¹¢ Í 12.15 -12.17 à» ¹¡ÒÃãª §Ò¹Ç§¨Ã ADC áÅÐ DAC ÀÒÂã¹ PCF8591 ¾Ã ÍÁ¡Ñ¹ ¡Å ÒÇ¤×Í â»Ãá¡ÃÁ¨Ðá»Å§¢ ÍÁÙÅã¹ª Í§ Text5 à» ¹ ¢ ÍÁÙÅ´Ô¨µÔ ÍÅÊ §ä»ãË PCF8591 á»Å§à» ¹áÃ§´Ñ¹Ê §ÍÍ¡ ä»ÂÑ§àÍÒµ ¾µØ ÍÐ¹ÒÅÍ¡ ¨Ò¡¹Ñ¹é áÃ§´Ñ¹ÍÐ¹ÒÅÍ¡¹Ñ¹é ¡ç¨Ð ÃÙ»·Õè P12-4 Ë¹ Òµ Ò§¢Í§â»Ãá¡ÃÁ Ê §µ Íä»ÂÑ§ÍÔ¹¾ØµÍÐ¹ÒÅÍ¡ª Í§·Õè 1 ¢Í§ PCF8591 äÍ«Õ LAB12B.VBP à¾×èÍµÃÇ¨ÊÍº¡ÒÃ PCF8591 ¡ç¨Ðá»Å§à» ¹¢ ÍÁÙÅ´Ô¨µÔ ÍÅÊ §ä»ãË â»Ãá¡ÃÁ ·íÒ§Ò¹¢Í§ ADC áÅÐ DAC ¢Í§ »ÃÐÁÇÅ¼Åà» ¹¤ ÒáÃ§´Ñ¹áÊ´§ÍÍ¡ÁÒ·Õªè Í § Text1 PCF8591¾Ã ÍÁ¡Ñ¹ àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 118

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CH-1 ANALOG INPUT

CH-2 CH-3 CH-4 GND

CH-1

CH-2

CH-3

CH-4

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CH-1 ANALOG INPUT

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CH-1

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ÃÙ»·Õè P12-6 ¡ÒÃµ ÍÊÒÂà¾×Íè ·íÒ¡ÒÃ·´ÅÍ§ã¹¢ Í 12.15

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DATA (DI) LATCH (LE) CLOCK (CLK)

SERIAL DATA OUT (SO)

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¡ÒÃ·´ÅÍ§ 13.1 µ ÍÊÒÂ IDC-1 0 ¨Ò¡¤Í¹à¹ç¡àµÍÃ DATA BUS ¢Í§ P-Board ä»ÂÑ§¤Í¹à¹ç¡àµÍÃ SHIFT IN ¢Í§ EX-09 áÅÐµ ÍÊÒÂ¨Ò¡¤Í¹à¹ç¡àµÍÃ OUTH áÅÐ OUTL ¢Í§ EX-09 ä»ÂÑ§¤Í¹à¹ç¡àµÍÃ DATA BUS1 áÅÐ 2 ¢Í§ºÍÃ ´ EX-01 µÒÁÅíÒ´Ñº 13.2 ÇÒ§¤Í¹â·ÃÅº¹¿ÍÃ ÁáÅÐà»ÅÕÂè ¹ª×Íè ´Ñ§ÃÙ»·Õè P13-1 áÅ Çà¢ÕÂ¹â»Ãá¡ÃÁ´Ñ§¹Õé Private Sub InitialShiftIn() Out &H378, &H8 End Sub Private Sub CLK() Out &H378, Inp(&H378) Xor &H1 Out &H378, Inp(&H378) Xor &H1 End Sub Private Sub RST() Out &H378, Inp(&H378) Xor &H8 Out &H378, Inp(&H378) Xor &H8 End Sub Private Sub LE() Out &H378, Inp(&H378) Xor &H2 Out &H378, Inp(&H378) Xor &H2 End Sub

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Private Sub DI(ByVal Logic As Boolean) If Logic Then Out &H378, Inp(&H378) Or &H4 Else Out &H378, Inp(&H378) And &HFB End If End Sub

13.4 à¢ÕÂ¹â»Ãá¡ÃÁÂ ÍÂÊíÒËÃÑºÊ §¢ ÍÁÙÅ 8 ºÔµ Private Sub Shift8Bit(ByVal Data As Byte) Dim i As Integer For i = 7 To 0 Step -1 If (Data And (2 ^ i)) = (2 ^ i) Then DI True Else DI False End If CLK Next i End Sub

13.5 à¢ÕÂ¹â»Ãá¡ÃÁãË àËµØ¡ÒÃ³ Form_Load , cmdReset_Click áÅÐ cmdOut_Click ´Ñ§¹Õé Private Sub Form_Load() InitialShiftIn RST LE End Sub Private Sub cmdReset_Click() RST LE End Sub Private Sub cmdOut_Click() Shift8Bit CByte(“&H” & txtOutH.Text) Shift8Bit CByte(“&H” & txtOutL.Text) LE End Sub

àÁ×Íè ÃÑº¢ ÍÁÙÅ¨Ò¡ txtOutH ã¹ÃÙ»¢Í§àÅ¢°Ò¹ÊÔºË¡ ¹íÒ &H ÁÒµ Í¢ Ò§Ë¹ ÒáÅ Çá»Å§¤ ÒãË à» ¹äºµ Ê §ä»ÂÑ§â»Ãá¡ÃÁÂ ÍÂ Shift8Bit à¾×èÍàÅ×èÍ¹¢ ÍÁÙÅÍÍ¡ä»ãË 74HC595 ¾Ã ÍÁ¡ÑºÊ § ÊÑÒ³ Clock àÁ×Íè ¤Ãº 8 ºÔµ ¨Ð¹íÒ¢ ÍÁÙÅ¨Ò¡ txtOutL ÁÒá»Å§à» ¹¤ Òäºµ áÅÐÊ §ä»àÁ×Íè Ê § ¤Ãº·Ñ§é 16 ºÔµ Ê §ÊÑÒ³áÅµ« LED º¹ºÍÃ ´ EX-01 ¨ÐáÊ´§¼Å¢Í§¢ ÍÁÙÅ â´Â·Õ¢è Í ÁÙÅ¨Ò¡ txtOutH ¨ÐÍÍ¡·Õ¾è ÍÃ µ OUTH áÅÐ¢ ÍÁÙÅ¨Ò¡ txtOutL ¨ÐÍÍ¡·Õ¾è ÍÃ µ OUTL µÑÇÍÂ Ò§â»Ãá¡ÃÁ ´Ù·äÕè ¿Å LAB13A.VBP àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 126

13.6 à¾ÔÁè ¤Í¹â·ÃÅáÅÐ¨Ñ´¿ÍÃ Á´Ñ§ÃÙ»·Õè P13-2 â´ÂãË »ÁØ à» ¹¤Í¹â·ÃÅ Array â´ÂãË áµ ÅÐ»ØÁ ÁÕ ª×Íè à´ÕÂÇ¡Ñ¹áµ Index äÁ «Òéí ¡Ñ¹µÑ§é áµ 0-15 ÇÔ¸ÊÕ Ã Ò§¤Í¹â·ÃÅ Array ´Ùä´ ¨Ò¡¡ÒÃ·´ÅÍ§·Õè 4 13.7 à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ºÑ àËµØ¡ÒÃ³ cmdD_Click(Index As Integer) ´Ñ§¹Õé Private Sub cmdD_Click(Index As Integer) Dim i As Integer Dim tmp As Byte If cmdD(Index).Caption = “OFF” Then cmdD(Index).Caption = “ON” Else cmdD(Index).Caption = “OFF” End If tmp = 0 For i = 0 To 7 If cmdD(i + 8).Caption = “ON” Then tmp = tmp + (2 ^ i) Next i txtOutH.Text = Hex(tmp) Shift8Bit tmp tmp = 0 For i = 0 To 7 If cmdD(i).Caption = “ON” Then tmp = tmp + (2 ^ i) Next i txtOutL.Text = Hex(tmp) Shift8Bit tmp LE End Sub

àÁ×Íè ¤ÅÔ¡é ·Õ»è ÁØ cmdD(Index) ã´æ â»Ãá¡ÃÁ¨ÐµÃÇ¨ÊÍºÇ Ò Caption ¢Í§»ØÁ ¹Ñ¹é à» ¹¤íÒÇ Ò ON ËÃ×Í OFF áÅÐ·íÒ¡ÒÃ¡ÅÑº Caption ãË à» ¹¤íÒµÃ§¡Ñ¹¢ ÒÁ ¨Ò¡¹Ñ¹é ¨ÐµÃÇ¨ÊÍº Caption ¢Í§áµ ÅÐ»ØÁ ·Õ¡è ÅØÁ OUTH à¾×Íè Í Ò¹¤ Òáµ ÅÐºÔµ áÅ Çá»Å§¤ ÒãË à» ¹àÅ¢°Ò¹ÊÔºË¡áÊ´§ã¹ª Í§ txtOutH áÅÐÊ §¤ ÒÍÍ¡ä»ãË ¾ÍÃ µ SHIFT IN º¹ºÍÃ ´ EX-09 àÁ×Íè Ê §¤Ãº 8 ºÔµ â»Ãá¡ÃÁ¨Ð ·íÒ§Ò¹¡Ñº¡ÅØÁ OUTL àËÁ×Í¹¡Ñº¡ÅØÁ OUTH àÁ×Íè Ê §¤Ãº·Ñ§é 16 ºÔµáÅ Ç¨ÐÊ §ÊÑÒ³áÅµ« ÍÍ¡ä» àÍÒµ ¾µØ ¤ Òà´ÔÁ¨Ð¶Ù¡·´á·¹â´Â¤ ÒàÍÒµ ¾µØ ãËÁ ·ÊÕè § ÍÍ¡ä» ÊíÒËÃÑºÃÒÂÅÐàÍÕÂ´·Ñé§ËÁ´¢Í§â»Ãá¡ÃÁ·´ÅÍ§¹Õé´Ùä´ ¨Ò¡ä¿Å LAB13B.VBP ÃÙ»·Õè P13-2 Ë¹ ÒµÒ¢Í§¿ÍÃ Á·ÕÊè Ã Ò§¢Ö¹é ¨Ò¡ â»Ãá¡ÃÁ·´ÅÍ§ LAB13B.VBP ´ ÇÂ¡ÒÃãª à·¤¹Ô¤¡ÒÃÊÃ Ò§¤Í¹â·ÃÅ Array

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¡ÒÃ·´ÅÍ§·Õè 14 ¡ÒÃ¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ ¼Ò ¹ºÍÃ ´ EX-09 à¤Ã×Íè §Á×ÍáÅÐÍØ»¡Ã³ 1. ºÍÃ ´àª×Íè Áµ Í¾ÍÃ µ¢¹Ò¹ P-Board 1 á¼ ¹ 2. EX-05 ºÍÃ ´¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ 1 á¼ ¹ 3. EX-09 ºÍÃ ´¢ÂÒÂ¾ÍÃ µàÍÒµ ¾µØ áºº«Ô§â¤Ã¹ÑÊ 1 á¼ ¹ 4. Êàµç»à»ÍÃ ÁÍàµÍÃ áººÂÙ¹âÔ ¾ÅÒÃ ¢¹Ò´ 12V 100Ω 7.5 Í§ÈÒµ ÍÊàµç» 1 µÑÇ 5. áËÅ §¨ ÒÂä¿µÃ§ +12V 2A ËÃ×ÍÁÒ¡¡Ç Ò 1 à¤Ã×Íè § 6. ¤ÍÁ¾ÔÇàµÍÃ ·µÕè ´Ô µÑ§é ÃÐºº»¯ÔºµÑ ¡Ô ÒÃÇÔ¹â´ÇÊ áÅÐ Visual BASIC ÍÂ Ò§¹ ÍÂàÇÍÃ ª¹Ñ 5.0 7. ÊÒÂàª×Íè Áµ Í IDC-10 3 àÊ ¹

¡ÒÃ·´ÅÍ§ 14.1 µ ÍÊÒÂ¨Ò¡¤Í¹à¹ç¡àµÍÃ OUTL ¢Í§ºÍÃ ´ EX-09 ä»ÂÑ§¤Í¹à¹ç¡àµÍÃ DATA BUS ¢Í§ºÍÃ ´ EX-05 áÅ Çµ ÍÁÍàµÍÃ áÅÐáËÅ §¨ ÒÂä¿ãË ¶¡Ù µ Í§ 14.2 ÊÃ Ò§â»Ãá¡ÃÁ¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ â´Â¡ÒÃÇÒ§¤Í¹â·ÃÅ µÑ§é ª×Íè áÅÐ¡íÒË¹´¤ Ò¤Ø³ÊÁºÑµÔ ´Ñ§ÃÙ»·Õè P14-1 14.3 ËÅÑ¡¡ÒÃ¢Í§¡ÒÃ·íÒ§Ò¹â»Ãá¡ÃÁ¹Õé ¨Ð·íÒ¡ÒÃÇ¹ÅÙ»àÁ×Íè à¡Ô´àËµØ¡ÒÃ³ cmdRun_click à¾×Íè ¤Çº¤ØÁÁÍàµÍÃ â´Â¨Ðãª µÇÑ á»Ãã¹¡ÒÃ¡íÒË¹´ÅÑ¡É³Ð¡ÒÃ¢ÑºáÅÐµÑÇá»ÃÊíÒËÃÑº¡ÒÃÇ¹ÅÙ»à» ¹ ª¹Ô´ boolean »ÃÐ¡ÒÈµÑÇá»Ã·ÕÊè Ç ¹ General Declare ´Ñ§¹Õé Dim flgRun As Boolean Dim flgLeft As Boolean, flgRight As Boolean, flgFree As Boolean, flgBreak As Boolean Name

hsc

Max

Min

LargeChange

SmallChange

Value

100

ÃÙ»·Õè P14-1 Ë¹ Òµ Ò§¢Í§â»Ãá¡ÃÁ¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ ·ãÕè ª ã¹¡ÒÃ·´ÅÍ§¹Õé ÊÒÁÒÃ¶ ·´ÅÍ§áÅÐ´ÙÃÒÂÅÐàÍÕÂ´¢Í§â»Ãá¡ÃÁä´ ¨Ò¡ä¿Å LAB14A.VBP àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 128

ÊÃ Ò§â»Ãá¡ÃÁÂ ÍÂÊíÒËÃÑº¡ÒÃà»ÅÕèÂ¹ÅÑ¡É³Ð¡ÒÃ¢Ñº·ÕèàËµØ¡ÒÃ³ cmdFree_Click, cmdBreak_Click, cmdLeft_Click áÅÐ cmdRight_Click ´Ñ§¹Õé Private Sub cmdBreak_Click() flgLeft = False flgRight = False flgBreak = True flgFree = False End Sub Private Sub cmdFree_Click() flgLeft = False flgRight = False flgBreak = False flgFree = True End Sub Private Sub cmdLeft_Click() flgLeft = True flgRight = False flgBreak = False flgFree = False End Sub Private Sub cmdRight_Click() flgLeft = False flgRight = True flgBreak = False flgFree = False End Sub

14.4 ÊÃ Ò§â»Ãá¡ÃÁÂ ÍÂÊíÒËÃÑº¡ÒÃË¹ Ç§àÇÅÒâ´Âãª ¤Ò ¨Ò¡ hsc áÅÐ¡ÒÃÊ §¢ ÍÁÙÅ·Ñ§é 16 ºÔµ Private Sub Delay() Dim a As Single a = Timer Do While Timer < a + (hsc.Value / 100) DoEvents Loop End Sub Private Sub Shift16Bit(Optional ByVal OutH As Byte = 0, Optional ByVal OutL As Byte = 0) Shift8Bit OutH Shift8Bit OutL LE End Sub

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 129

14.5 à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ºÑ àËµØ¡ÒÃ³ cmdRun_Click áÅÐ Form__Unload ´Ñ§¹Õé Private Sub cmdRun_Click() If flgRun Then flgRun = False cmdRun.Caption = “Run” Exit Sub Else flgRun = True cmdRun.Caption = “Stop” End If Do While flgRun If flgLeft Then Shift16Bit 0, 8 Delay Shift16Bit 0, 4 Delay Shift16Bit 0, 2 Delay Shift16Bit 0, 1 Delay ElseIf flgRight Then Shift16Bit 0, 1 Delay Shift16Bit 0, 2 Delay Shift16Bit 0, 4 Delay Shift16Bit 0, 8 Delay ElseIf flgBreak Then Shift16Bit 0, 3 Delay ElseIf flgFree Then Shift16Bit 0, 0 Delay End If Loop End Sub Private Sub Form_Unload(Cancel As Integer) Shift16Bit 0, 0 ‘ Release Motor End End Sub

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 130

14.6 ÃÑ¹â»Ãá¡ÃÁ àÁ×Íè ¤ÅÔ¡é »ØÁ Run ¨ÐàËç¹Ç ÒÁÍàµÍÃ äÁ ·Òí §Ò¹à¹×Íè §¨Ò¡ µÑÇá»Ã·Õ¡è Òí Ë¹´ÅÑ¡É³Ð ¡ÒÃ¢ÑºÁÍàµÍÃ ·¡Ø µÑÇÁÕ¤Ò àÃÔÁè µ ¹à» ¹ False ¨Ö§äÁ Á¡Õ ÒÃÊ §¢ ÍÁÙÅ à¾ÔÁè â¤ ´·Õàè ËµØ¡ÒÃ³ Form_Load ãË ¡íÒË¹´·ÔÈ·Ò§àÃÔèÁµ ¹ flgLeft = True

µÑÇÍÂ Ò§â»Ãá¡ÃÁ¹Õ´é ·Ù äÕè ¿Å LAB14A.VBP ¨Ò¡«ÍÃ Êâ»Ãá¡ÃÁ ÊÑ§à¡µä´ ÇÒ ·Ø¡¤ÃÑ§é ·ÕÊè § ¢ ÍÁÙÅä»¤Çº¤ØÁÁÍàµÍÃ ¤ Ò·Õ¾è ÍÃ µ OUTH à» ¹ 0 ¶ Ò·Õè¾ÍÃ µ OUTH ÁÕÍØ»¡Ã³ ã´µ ÍÍÂÙ ã¹â»Ãá¡ÃÁÊÒÁÒÃ¶á·Ã¡¤ ÒÊíÒËÃÑº¤Çº¤ØÁÍØ»¡Ã³ µÑÇ¹Ñé¹ä´ ã¹¡ÒÃÊ §¤ Ò¤ÃÑé§à´ÕÂÇ «Öè§ã¹¡ÒÃà¢ÕÂ¹â»Ãá¡ÃÁ¨Ðµ Í§ÁÕ¡ÒÃ¤íÒ¹Ç³ËÃ×Í¡íÒË¹´¤ Ò¢Í§ ¾ÍÃ µ OUTH áÅÐ OUTL äÇ ÅÇ §Ë¹ Ò¡ Í¹Ê §¢ ÍÁÙÅä» «Ö§è ¨ÐáÊ´§ãË àËç¹ã¹¡ÒÃ·´ÅÍ§µ Íä»

¡ÒÃ·´ÅÍ§¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ ¾Ã ÍÁ¡Ñº¢Ñº LED ¼ Ò¹ºÍÃ ´ EX-09 14.7 à¾ÔÁè ¤Í¹â·ÃÅáÅÐ¤Í¹â·ÃÅ Array ´Ñ§ÃÙ»·Õè P14-2 â´Â¡íÒË¹´ãË »ÁØ cmdD ÁÕ Index µÑ§é áµ 8 - 15 14.8 »ÃÐ¡ÒÈµÑÇá»ÃÊíÒËÃÑºà¡çº¤ Ò¾ÍÃ µ OUTH áÅÐ OUTL ·ÕÊè Ç ¹ General Declaration Dim OutH As Byte, OutL As Byte

14.9 á¡ ä¢â»Ãá¡ÃÁ·Õàè ËµØ¡ÒÃ³ cmdRun_Click ãË Ê§ Ê¶Ò¹Ð¢Í§¾ÍÃ µ OUTH á·¹¤ Ò 0 áÅÐÁÕ ¡ÒÃà¡çºÊ¶Ò¹Ð¢Í§¾ÍÃ µ OUTL ËÅÑ§¨Ò¡Ê §¢ ÍÁÙÅÍÍ¡ä»¢ÑºÁÍàµÍÃ µÑÇÍÂ Ò§ºÒ§Ê Ç¹áÊ´§ä´ ´Ñ§¹Õé Shift16Bit OutH, 1 OutL = 1 Delay Shift16Bit OutH, 2 OutL = 2 Delay ....

ÃÙ»·Õè P14-2 Ë¹ Òµ Ò§¢Í§â»Ãá¡ÃÁ¢ÑºÊàµç»à»ÍÃ ÁÍàµÍÃ ¾Ã ÍÁ¡Ñº LED ·Õãè ª ã¹¡ÒÃ·´ÅÍ§ ¹Õé ÊÒÁÒÃ¶·´ÅÍ§áÅÐ´ÙÃÒÂÅÐàÍÕÂ´¢Í§â»Ãá¡ÃÁä´ ¨Ò¡ä¿Å LAB14B.VBP àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 131

14.10 à¢ÕÂ¹â»Ãá¡ÃÁ·Õàè ËµØ¡ÒÃ³ cmdD_Click áÅÐ cmdReset_Click ´Ñ§¹Õé Private Sub cmdD_Click(Index As Integer) Dim i As Integer Dim tmp As Byte If cmdD(Index).Caption = “OFF” Then cmdD(Index).Caption = “ON” Else cmdD(Index).Caption = “OFF” End If tmp = 0 For i = 0 To 7 If cmdD(i + 8).Caption = “ON” Then tmp = tmp + (2 ^ i) Next i txtOutH.Text = Hex(tmp) OutH = tmp Shift16Bit OutH, OutL End Sub Private Sub cmdReset_Click() Dim i As Byte For i = 8 To 15 cmdD(i).Caption = “OFF” Next i txtOutH.Text = 0 OutH = 0 Shift16Bit OutH, OutL End Sub

14.11 ÃÑ¹â»Ãá¡ÃÁ ÊÑè§ãË ÁÍàµÍÃ ËÁØ¹ áÅÐà» ´» ´ LED ¡ÒÃ·íÒ§Ò¹¢Í§â»Ãá¡ÃÁ¨Ðãª µÑÇá»Ã OUTH áÅÐ OUTL à¡çºÊ¶Ò¹Ð¢Í§¾ÍÃ µäÇ ·¡Ø ¤ÃÑ§é ·ÕÁè ¡Õ ÒÃà»ÅÕÂè ¹á»Å§ àÁ×Íè ÁÕ¡ÒÃÊ §¢ ÍÁÙÅ¡ç¨Ð¹íÒ ¤ ÒÊ¶Ò¹Ð¨Ò¡µÑÇá»Ã·Ñ§é ÊÍ§Ê §ÍÍ¡ä»´ ÇÂ Ê¶Ò¹Ð·Õ¾è ÍÃ µ·Ñ§é ÊÍ§¨Ö§¶Ù¡µ Í§ ã¹¡ÒÃãª §Ò¹ÊÒÁÒÃ¶ ¹íÒÇÔ¸¡Õ ÒÃà¡çºáÅÐÊ §¢ ÍÁÙÅä»»ÃÐÂØ¡µ ãª ¡ºÑ ÃÐººµ Ò§æ ä´ àª ¹¡Ñ¹ ÊíÒËÃÑºÃÒÂÅÐàÍÕÂ´·Ñé§ËÁ´¢Í§â»Ãá¡ÃÁ·´ÅÍ§¹Õé´Ùä´ ¨Ò¡ä¿Å LAB14B.VBP

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SCL

TOUT 3 GND 4

8 +Vcc ,5 $ Digital Tthermometer and thermostat

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SCL

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TOUT

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GND

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DS1621 äÍ«ÕÇ´Ñ ÍØ³ËÀÙÁáÔ ºº´Ô¨µÔ ÍÅ ¼Ù¼ ÅÔµ¤×Í Dallas Semiconductor à» ¹äÍ«ÕÇ´Ñ ÍØ³ËÀÙÁ·Ô ãÕè ª ¡ÒÃµÔ´µ Í¼ Ò¹ÃÐºººÑÊ I2C ã¹ ÃÙ»·Õè 11-2 áÊ´§¡ÒÃ¨Ñ´¢ÒáÅÐË¹ Ò·Õ¢è Í§áµ ÅÐ¢Ò¢Í§äÍ«Õ DS1621 ÊíÒËÃÑº¤Ø³ÊÁºÑµ·Ô ÊÕè Òí ¤Ñ¢Í§ DS1621 ÁÕ´§Ñ ¹Õé ÊÒÁÒÃ¶ÇÑ´ÍØ³ËÀÙÁäÔ ´ µ§Ñé áµ -55ðC ¶Ö§ +125ðC â´ÂÁÕ¤ÇÒÁÅÐàÍÕÂ´ã¹¡ÒÃÇÑ´ 0.5ðC à·ÕÂºà» ¹Ë¹ ÇÂ¢Í§¿ÒàÃ¹äÎµ ä´ à· Ò¡Ñº -67ðF ¶Ö§ +257ðF ¤ÇÒÁÅÐàÍÕÂ´ 0.9ðF â´ÂäÁ µÍ §ãª ÍØ»¡Ã³ µ ÍÃ ÇÁÀÒÂ¹Í¡ l

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"0"

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TL t1

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TOUT

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TOUT

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á¹Ç¡ÒÃ»ÃÐÂØ¡µ ãª §Ò¹ ´ ÇÂ¡ÒÃãª ºÍÃ ´ EX-10 ¨Ðª ÇÂãË ¤ÍÁ¾ÔÇàµÍÃ ÊÒÁÒÃ¶·íÒ§Ò¹ËÃ×Í»ÃÐÁÇÅ¼Å¡Ñº¢ ÍÁÙÅ·Õè à» ¹¤ ÒÍØ³ËÀÙÁäÔ ´ §Ò Â¢Ö¹é ·Ñ§é ÂÑ§ÊÐ´Ç¡à¹×Íè §¨Ò¡äÁ µÍ §ãª Ç§¨ÃËÃ×ÍÍØ»¡Ã³ µÃÇ¨¨Ñº·ÕÁè ¡Õ ÒÃ·íÒ§Ò¹«Ñº « Í¹ ËÒ¡ÁÕ¤ÇÒÁÊÒÁÒÃ¶´ Ò¹°Ò¹¢ ÍÁÙÅ ¡ç¨ÐÊÒÁÒÃ¶»ÃÐÂØ¡µ ãª P-Board Ã ÇÁ¡Ñº EX-10 ã¹¡ÒÃ ÊÃ Ò§ÃÐºººÑ¹·Ö¡¢ ÍÁÙÅÍØ³ËÀÙÁËÔ Ã×Í temperature logger ÍÂ Ò§§ ÒÂæ ä´ áÅÐ¶ ÒËÒ¡ÊÒÁÒÃ¶ÈÖ¡ÉÒ ¡ÒÃ·íÒ§Ò¹¢Í§ DS1621 ä´ Å¡Ö «Ö§é ÁÒ¡¢Ö¹é ¡ç¨ÐÊÒÁÒÃ¶¡íÒË¹´ãË DS1621 áÊ´§¤ ÒÍØ³ËÀÙÁ·Ô ÁÕè Õ ¤ÇÒÁÅÐàÍÕÂ´ÁÒ¡¢Öé¹ä´ áÅÐ´ ÇÂ¡ÒÃà¾ÔÁè àµÔÁÇ§¨Ã¢ÑºÍØ»¡Ã³ àÍÒµ ¾µØ ãË á¡ DS1621 ·íÒãË ÊÒÁÒÃ¶»ÃÐÂØ¡µ ãª §Ò¹ EX-10 ãË à» ¹à·ÍÃ âÁÊµÑµ·Õ·è Òí §Ò¹â´ÂÅíÒ¾Ñ§áººâ»Ãá¡ÃÁä´ â´ÂàÁ×Íè µ Í§¡ÒÃµÑ§é ¤ ÒÍØ³ËÀÙÁãÔ Ë ·Òí ¡ÒÃàª×Íè Áµ Í EX-10 à¢ Ò¡Ñº P-Board áÅ Çà¢ÕÂ¹â»Ãá¡ÃÁà¾×Íè µÑ§é ¤ Ò TH áÅÐ TL ¨Ò¡¹Ñ¹é »Å´ EX-10 ÍÍ¡¹íÒä»ãª §Ò¹ä´ ·¹Ñ ·Õ àÁ×Íè µ Í§¡ÒÃà»ÅÕÂè ¹¤ Ò TH áÅÐ TL ¨Ö§¤ ÍÂ¹íÒÁÒàª×Íè Áµ Í¡Ñº¤ÍÁ¾ÔÇàµÍÃ ãËÁ ÍÕ¡á¹Ç·Ò§»ÃÐÂØ¡µ ãª §Ò¹¤×Í ÊÃ Ò§à» ¹à¤Ã×Í¢ ÒÂÇÑ´¤ ÒÍØ³ËÀÙÁÔ à¹×Íè §¨Ò¡ DS1621 ÊÒÁÒÃ¶ µ Í¾ Ç§¡Ñ¹ä´ ÃÇÁ 8 µÑÇ ¨Ö§·íÒãË ÊÒÁÒÃ¶µ Í¾ Ç§ºÍÃ ´ EX-10 ä´ ÃÇÁ 8 ºÍÃ ´´ ÇÂàª ¹¡Ñ¹ ËÒ¡¹íÒ ºÍÃ ´ EX-10 ä»µÔ´µÑ§é ã¹¾×¹é ·Õµè Ò §æ áÅ Çµ ÍÊÒÂàª×Íè ÁâÂ§¡Ñ¹µÒÁ¢ Í¡íÒË¹´¢Í§ºÑÊ I2C áÅ Çàª×Íè Á µ Í¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹ P-Board ¡ç¨Ð·íÒãË ÊÒÁÒÃ¶ÊÃ Ò§à¤Ã×Í¢ ÒÂ¡ÒÃµÃÇ¨ÊÍºáÅÐÇÑ´¤ ÒÍØ³ËÀÙÁÔ ä´ ·Ñ§é ÂÑ§ÊÒÁÒÃ¶¹íÒ¢ ÍÁÙÅä»»ÃÐÁÇÅ¼Åµ Íä´ ÍÂ Ò§ÍÕ¡´ ÇÂ

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¡ÒÃ·´ÅÍ§·Õè 15 ¾ÍÃ µ¢¹Ò¹¡Ñº¡ÒÃÇÑ´¤ ÒÍØ³ËÀÙÁ¼Ô Ò ¹ÃÐºººÑÊ I2C à¤Ã×Íè §Á×ÍáÅÐÍØ»¡Ã³ 1. ºÍÃ ´àª×Íè Áµ Í¾ÍÃ µ¢¹Ò¹ P-Board 1 á¼ ¹ 1 á¼ ¹ 2. EX-10 ºÍÃ ´ÇÑ´ÍØ³ËÀÙÁ¼Ô Ò ¹ÃÐºººÑÊ I2C 3. ¤ÍÁ¾ÔÇàµÍÃ ·µÕè ´Ô µÑ§é ÃÐºº»¯ÔºµÑ ¡Ô ÒÃÇÔ¹â´ÇÊ áÅÐ Visual BASIC ÍÂ Ò§¹ ÍÂàÇÍÃ ª¹Ñ 5.0 1 àÊ ¹ 4. ÊÒÂàª×Íè Áµ Í I2C

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¡ÒÃ·´ÅÍ§Í Ò¹¤ ÒÍØ³ËÀÙÁ¨Ô Ò¡ DS1621 ¡ Í¹Í Ò¹¤ Ò¨Ò¡ÃÕ¨ÊÔ àµÍÃ Temperature µ Í§ÊÑ§è ãË DS1621 àÃÔÁè ¡ÒÃá»Å§¤ ÒÍØ³ËÀÙÁÔ (Start Convert) «Ö§è ÁÕ¢¹Ñé µÍ¹´Ñ§¹Õé 1. Ê §ÊÑÒ³ START 2. Ê §¢ ÍÁÙÅ¡íÒË¹´áÍ´à´ÃÊº¹ºÍÃ ´ EX-10 ãË DS1621 â´ÂºÔµÊØ´· ÒÂà» ¹ 0 à¾×Íè ¡íÒË¹´¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§ DS1621 3. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 4. Ê §¤íÒÊÑ§è (Command) &HEE ÊÑ§è ãË àÃÔÁè ¡ÒÃá»Å§¤ ÒÍØ³ËÀÙÁÔ 5. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 6. Ê §ÊÑÒ³ STOP ¶ Òµ Í§¡ÒÃãË DS1621 ËÂØ´¡ÒÃá»Å§¤ ÒÍØ³ËÀÙÁÔ (Stop Convert) ÁÕ¢¹Ñé µÍ¹´Ñ§¹Õé 1. Ê §ÊÑÒ³ START 2. Ê §¢ ÍÁÙÅ¡íÒË¹´áÍ´à´ÃÊº¹ºÍÃ ´ EX-10 ãË DS1621 â´ÂºÔµÊØ´· ÒÂà» ¹ 0 à¾×Íè ¡íÒË¹´ ¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§ DS1621 3. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 4. Ê §¤íÒÊÑ§è (Command) &H22 ÊÑ§è ãË ËÂØ´¡ÒÃá»Å§¤ ÒÍØ³ËÀÙÁÔ 5. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 6. Ê §ÊÑÒ³ STOP ¡ÒÃÍ Ò¹¤ Ò¨Ò¡ÃÕ¨ÊÔ àµÍÃ Temperature ÁÕ¢¹Ñé µÍ¹´Ñ§¹Õé 1. Ê §ÊÑÒ³ START àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 142

2. Ê §¢ ÍÁÙÅ¡íÒË¹´áÍ´à´ÃÊº¹ºÍÃ ´ EX-10 ãË DS1621 â´ÂºÔµÊØ´· ÒÂà» ¹ 0 à¾×Íè ¡íÒË¹´¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§ DS1621 3. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 4. Ê §¤íÒÊÑ§è (Command) &HAA ÊíÒËÃÑºÍ Ò¹¤ Ò¨Ò¡ÃÕ¨ÊÔ àµÍÃ Temperature ãË DS1621 5. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 6. Ê §ÊÑÒ³ START 7. Ê §¢ ÍÁÙÅ¡íÒË¹´áÍ´à´ÃÊº¹ºÍÃ ´ EX-10 ãË DS1621 â´ÂºÔµÊØ´· ÒÂà» ¹ 0 à¾×Íè ¡íÒË¹´ ¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§ DS1621 8. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 9. Í Ò¹¤ Ò¨Ò¡ MSB ¢Í§ÃÕ¨ÊÔ àµÍÃ Temperature 10. Ê §ÊÑÒ³ Master ACK ãË DS1621 11. Í Ò¹¤ Ò¨Ò¡ LSB ¢Í§ÃÕ¨ÊÔ àµÍÃ Temperature 12. Ê §ÊÑÒ³ Master Not ACK ãË DS1621 13. Ê §ÊÑÒ³ STOP ¨Ò¡¢Ñ¹é µÍ¹´Ñ§¡Å ÒÇÊÒÁÒÃ¶à¢ÕÂ¹à» ¹â»Ãá¡ÃÁ·´ÅÍ§µÒÁ¢Ñ¹é µÍ¹µ Íä»¹Õé 15.1 ÊÃ Ò§¿ÍÃ ÁáÅÐà»ÅÕÂè ¹ª×Íè ¤Í¹â·ÃÅµ Ò§æ´Ñ§ÃÙ»·Õè P15-1

ÃÙ»·Õè P15-1 Ë¹ ÒµÒ¿ÍÃ Á ¢Í§â»Ãá¡ÃÁ·´ÅÍ§Í Ò¹¤ Ò ÍØ³ËÀÙÁÔ¨Ò¡äÍ«Õ DS1621 º¹ ºÍÃ ´ EX-10 15.2 à»ÅÕÂè ¹¤Ø³ÊÁºÑµ¢Ô Í§¤Í¹â·ÃÅµ Ò§æ ´Ñ§¹Õé (pro1101.vsd) Name

cmdRdTemp

Name

txtTemp

Caption

Read Temp

Text

Name

cmdSTARTConv

Name

cmdSTOPConv

Caption

Start Convert

Caption

Stop Convert

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 143

15.3 à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ºÑ àËµØ¡ÒÃ³ cmdSTARTConv_Click ´Ñ§¹Õé Private Sub cmdSTARTConvert_Click() I2CSTART Send8BIT &H90 Ack Send8BIT &HEE ‘Start Convert Temperature Command Ack I2CSTOP End Sub

15.4 à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ºÑ àËµØ¡ÒÃ³ cmdSTOPConv_Click ´Ñ§¹Õé Private Sub cmdSTOPConvert_Click() I2CSTART Send8BIT &H90 Ack Send8BIT &H22 ‘Stop Convert Temperature Command Ack I2CSTOP End Sub

15.5 à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ºÑ àËµØ¡ÒÃ³ cmdRdTemp_Click ´Ñ§¹Õé Private Sub cmdRdTemp_Click() Dim tmp As Double Dim datH As Integer Dim datL As Integer I2CSTART Send8BIT &H90 Ack Send8BIT &HAA ‘Read Temperature Command Ack I2CSTART Send8BIT &H90 + 1 Ack datH = Read8Bit ‘Read TH Register MAck datL = Read8Bit ‘Read TL Register MNAck I2CSTOP If (datL And &H80) = &H80 Then tmp = datH + 0.5 Else tmp = datH End If txtTemp.Text = tmp End Sub

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 144

15.6 ËÅÑ§¨Ò¡ÊÔ¹é ÊØ´¡ÃÐºÇ¹¡ÒÃµÔ´µ Í¡Ñº DS1621 ¢ ÍÁÙÅ·Õäè ´ ¨Ðµ Í§¹íÒÁÒ¤íÒ¹Ç³à¾ÔÁè àµÔÁâ´Â µÃÇ¨ÊÍºÇ ÒºÔµ 7 ¢Í§¢ ÍÁÙÅäºµ ÅÒ §¢Í§ÃÕ¨ÊÔ àµÍÃ Temperature ÁÕ¤Ò à» ¹ 1 ËÃ×ÍäÁ ¶ Òà» ¹ ãË ¹Òí ¤ Ò·Õäè ´ ¨Ò¡¢ ÍÁÙÅäºµ º¹ËÃ×Íäºµ Ê§Ù ¢Í§ÃÕ¨ÊÔ àµÍÃ Temperature ºÇ¡´ ÇÂ 0.5 áµ ¶Ò à» ¹µÃ§ ¢ ÒÁ ¢ ÍÁÙÅäºµ Ê§Ù ¢Í§ÃÕ¨ÊÔ àµÍÃ Temperature ¡ç¤Í× ¤ Ò¢Í§ÍØ³ËÀÙÁ·Ô ÍÕè Ò ¹ä´ 15.7 ÃÑ¹â»Ãá¡ÃÁáÅ Ç·´ÅÍ§¤ÅÔ¡é »ØÁ Read Temp ¨ÐàËç¹Ç Ò¤ Ò·ÕÍè Ò ¹ä´ à» ¹ 0 à¹×Íè §¨Ò¡ÂÑ§ äÁ Á¡Õ ÒÃàÃÔÁè µ ¹¡ÒÃá»Å§¤ ÒÍØ³ËÀÙÁÔ ¤ Ò·ÕÍè Ò ¹ä´ ¨Ò¡ÃÕ¨ÊÔ àµÍÃ Temperature ¨Ö§à» ¹ 0 15.8 ¤ÅÔ¡é »ØÁ Start Convert à¾×Íè àÃÔÁè ¡ÒÃá»Å§¤ ÒÍØ³ËÀÙÁÔ ¨Ò¡¹Ñ¹é ¤ÅÔ¡é ·Õ»è ÁØ Read Temp ÍÕ¡ ¤ÃÑé§¨ÐÊÒÁÒÃ¶Í Ò¹¤ ÒÍØ³ËÀÙÁÔä´ 15.9 ·´ÅÍ§ãª ¹ÔéÇËÃ×ÍÍØ»¡Ã³ Í×è¹áµÐ·ÕèµÑÇ DS1621 ãË ÍØ³ËÀÙÁÔà»ÅÕèÂ¹ ¨Ò¡¹Ñé¹¤ÅÔé¡»Ø Á Read Temp ÍÕ¡¤ÃÑ§é ¶ ÒäÁ Á¡Õ ÒÃà»ÅÕÂè ¹á»Å§ ÁÕÊÒàËµØ¤Í× µÑÇ DS1621 äÁ ·Òí ¡ÒÃá»Å§¤ ÒÍØ³ËÀÙÁÔ ÍÂ Ò§µ Íà¹×Íè § à¾ÃÒÐ·Õºè µÔ 1SHORT ã¹ÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹ÐÁÕ¤Ò à» ¹ 1 «Ö§è à» ¹âËÁ´á»Å§¤ ÒÍØ³ËÀÙÁàÔ ¾ÕÂ§¤ÃÑ§é à´ÕÂÇàÁ×Íè ä´ ÃºÑ ÊÑÒ³ Start Convert áÅÐËÂØ´¡ÒÃ·íÒ §Ò¹ÍÑµâ¹ÁÑµÔ ¶ Òà¡Ô´¡ÒÃà»ÅÕÂè ¹á»Å§¤ Ò¢Ö¹é áÊ´§Ç Ò ·Õºè µÔ 1Shot ÁÕ¤Ò à» ¹ 0 ÍÑ¹à» ¹âËÁ´ á»Å§¤ Òµ Íà¹×Íè §àÁ×Íè ä´ ÃºÑ ÊÑÒ³ Start Convert ÃÒÂÅÐàÍÕÂ´¢Í§â»Ãá¡ÃÁ·´ÅÍ§¹Õ´é äÙ ´ ¨Ò¡ä¿Å LAB15A.VBP

¡ÒÃ·´ÅÍ§à¢ Ò¶Ö§ÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹Ð (Config register) ¡ÒÃà¢ Ò¶Ö§ÃÕ¨ÔÊàµÍÃ ¡íÒË¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹ÐÊÒÁÒÃ¶·íÒä´ â´Âãª ¤íÒÊÑè§ &HAC «Ö§è ÁÕ¢¹Ñé µÍ¹´Ñ§¹Õé 1. Ê §ÊÑÒ³ START 2. Ê §¢ ÍÁÙÅ¡íÒË¹´áÍ´à´ÃÊº¹ºÍÃ ´ EX-10 ãË DS1621 â´ÂºÔµÊØ´· ÒÂà» ¹ 0 à¾×Íè ¡íÒË¹´¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§ DS1621 3. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 4. Ê §¤íÒÊÑ§è (Command) &HAC à¾×Íè à¢ Ò¶Ö§ÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹Ð 5. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 6. Ê §ÊÑÒ³ START 7. Ê §¢ ÍÁÙÅ¡íÒË¹´áÍ´à´ÃÊº¹ºÍÃ ´ EX-10 ãË DS1621 â´ÂºÔµÊØ´· ÒÂà» ¹ 1 à¾×Íè ¡íÒË¹´¡ÒÃÍ Ò¹¢ ÍÁÙÅÍÍ¡¨Ò¡ DS1621 8. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 9. ÃÑº¤ Ò¨Ò¡ÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹Ð àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 145

10. Ê §ÊÑÒ³ Master Not ACK ãË DS1621 11. Ê §ÊÑÒ³ STOP Ê Ç¹¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅÅ§ÃÕ¨ÔÊàµÍÃ ¡íÒË¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹Ð ·íÒä´ â´Âãª ¤íÒÊÑè§ &HAC ÁÕ¢¹Ñé µÍ¹´Ñ§¹Õé 1. Ê §ÊÑÒ³ START 2. Ê §¢ ÍÁÙÅ¡íÒË¹´áÍ´à´ÃÊº¹ºÍÃ ´ EX-10 ãË DS1621 â´ÂºÔµÊØ´· ÒÂà» ¹ 0 à¾×Íè ¡íÒË¹´ ¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§ DS1621 3. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 4. Ê §¤íÒÊÑ§è (Command) &HAC à¾×Íè à¢ Ò¶Ö§ÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹Ð 5. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 6. Ê §¢ ÍÁÙÅÊíÒËÃÑºÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹Ð ä»·Õè DS1621 7. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 8. Ê §ÊÑÒ³ STOP ÊíÒËÃÑº¡ÒÃà¢ Ò¶Ö§ÃÕ¨ÔÊàµÍÃ ¡íÒË¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹ÐÊÒÁÒÃ¶à¢ÕÂ¹â»Ãá¡ÃÁ ·´ÅÍ§ä´ ´Ñ§µ Íä»¹Õé 15.10 ÊÃ Ò§»ØÁ 2 »ØÁ áÅÐ 1 TextBox à¾ÔÁè àµÔÁáÅÐà»ÅÕÂè ¹ª×Íè ´Ñ§ÃÙ»·Õè P15-2

ÃÙ»·Õè P15-2 Ë¹ ÒµÒ¿ÍÃ Á¢Í§â»Ãá¡ÃÁ·´ÅÍ§Í Ò¹¤ ÒÍØ³ËÀÙÁÔ¨Ò¡äÍ«Õ DS1621 º¹ ºÍÃ ´ EX-10 ·ÕÁè ¡Õ ÒÃà¾ÔÁè ¤íÒÊÑ§è à¾×Íè Í Ò¹áÅÐà¢ÕÂ¹¤ Ò¡ÑºÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ·íÒ§Ò¹¢Í§ DS1621 àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 146

15.11 à»ÅÕÂè ¹¤Ø³ÊÁºÑµ¢Ô Í§¤Í¹â·ÃÅµ Ò§æ´Ñ§¹Õé Name

cmdRdConfig

Name

cmdWrConfig

Name

Caption

Read Config

Caption

Write Config

Text

txtConfig

15.12 à¾ÔÁè â»Ãá¡ÃÁ·Õàè ËµØ¡ÒÃ³ cmdRdConfig_Click à¾×Íè Í Ò¹¢ ÍÁÙÅ¨Ò¡ÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹Ð Private Sub cmdRdConfig_Click() I2CSTART Send8BIT &H90 Ack Send8BIT &HAC Ack I2CSTART Send8BIT &H91 Ack txtConfig.Text = Hex(Read8Bit) MNAck I2CSTOP End Sub

15.13 à¾ÔÁè â»Ãá¡ÃÁ·Õàè ËµØ¡ÒÃ³ cmdWrConfig_Click à¾×Íè à¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§ÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹Ð Private Sub cmdWrConfig_Click() I2CSTART Send8BIT &H90 Ack Send8BIT &HAC Ack Send8BIT CByte(“&H” & txtConfig.Text) Ack I2CSTOP End Sub

15.14 ·´ÅÍ§µÑ§é ¤ ÒºÔµ 1Shot ã¹ÃÕ¨ÊÔ àµÍÃ ¡Òí Ë¹´¡ÒÃ·íÒ§Ò¹áÅÐáÊ´§Ê¶Ò¹Ð ãË à» ¹ 0 à¾×Íè à¢ ÒÊÙâ ËÁ´á»Å§¤ Òµ Íà¹×Íè § â´Â¾ÔÁ¾ àÅ¢ 8 ã¹ txtConfig ¨Ò¡¹Ñ¹é ¤ÅÔ¡é »ØÁ Write Config áÅ Ç¤ÅÔ¡é »ØÁ Stop Convert (ãË DS1621 ËÂØ´¡ÒÃ·íÒ§Ò¹ à¾×Íè à»ÅÕÂè ¹âËÁ´¡ÒÃá»Å§¤ Ò ) ¤ÅÔ¡é »ØÁ Start Convert à¾×Íè àÃÔÁè Í Ò¹ÍØ³ËÀÙÁÍÔ ¡Õ ¤ÃÑ§é ã¹âËÁ´¡ÒÃá»Å§¤ ÒÍØ³ËÀÙÁµÔ Í à¹×Íè § ÊÒÁÒÃ¶´ÙÃÒÂÅÐàÍÕÂ´¢Í§â»Ãá¡ÃÁ¾Ã ÍÁ·´ÅÍ§ãª §Ò¹ä´ ¨Ò¡ä¿Å LAB15B.VBP àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 147

¡ÒÃ·´ÅÍ§ãª DS1621 ·íÒ§Ò¹ã¹âËÁ´à·ÍÃ âÁÊµÑµ ¡ÒÃÍ Ò¹¢ ÍÁÙÅ¨Ò¡ÃÕ¨ÊÔ àµÍÃ TH áÅÐ TL ¹Ñ¹é ÁÕ¢¹Ñé µÍ¹àËÁ×Í¹¡ÒÃÍ Ò¹ÃÕ¨ÊÔ àµÍÃ Temperature áµ ¤Òí ÊÑ§è (Command) áµ¡µ Ò§¡Ñ¹ ¤×Í¡ÒÃÍ Ò¹ÃÕ¨ÊÔ àµÍÃ TH ãª ¤Òí ÊÑ§è &HA1 Ê Ç¹ TL ãª ¤Òí ÊÑ§è &HA2 Ê Ç¹¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§ÃÕ¨ÊÔ àµÍÃ ·§Ñé ÊÍ§ÁÕ¢¹Ñé µÍ¹´Ñ§¹Õé 1. Ê §ÊÑÒ³ START 2. Ê §¢ ÍÁÙÅ¡íÒË¹´áÍ´à´ÃÊº¹ºÍÃ ´ EX-10 ãË DS1621 â´ÂºÔµÊØ´· ÒÂà» ¹ 0 à¾×Íè ¡íÒË¹´¡ÒÃà¢ÕÂ¹¢ ÍÁÙÅä»ÂÑ§ DS1621 3. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 4. Ê §¤íÒÊÑ§è (Command) &HA1 à¾×Íè à¢ Ò¶Ö§ÃÕ¨ÊÔ àµÍÃ TH ËÃ×Í¤íÒÊÑ§è &HA2 ÊíÒËÃÑº TL 5. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 6. Ê §¢ ÍÁÙÅ MSB ¢Í§ ÃÕ¨ÊÔ àµÍÃ TH / TL ä»·Õè DS1621 7. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 8. Ê §¢ ÍÁÙÅ LSB ¢Í§ ÃÕ¨ÊÔ àµÍÃ TH / TL ä»·Õè DS1621 9. ÃÍÃÑºÊÑÒ³ ACK ¨Ò¡ DS1621 10. Ê §ÊÑÒ³ STOP ã¹¡ÒÃµÔ´µ Í¡ÑºÃÕ¨ÊÔ àµÍÃ TH áÅÐ TL ÊÒÁÒÃ¶à¢ÕÂ¹â»Ãá¡ÃÁ·´ÅÍ§ä´ ´§Ñ ¹Õé 15.15 à¾ÔÁè ¤Í¹â·ÃÅáÅÐà»ÅÕÂè ¹ª×Íè ´Ñ§ÃÙ»·Õè P15-3

ÃÙ»·Õè P15-3 Ë¹ ÒµÒ¢Í§â»Ãá¡ÃÁ·´ÅÍ§Í Ò¹áÅÐµÑ§é ¤ ÒÍØ³ËÀÙÁ¡Ô ºÑ DS1621 àÁ×Íè ¡íÒË¹´ ãË ·Òí §Ò¹ã¹âËÁ´à·ÍÃ âÁÊµÑµ àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 148

15.16 à¾ÔÁè â»Ãá¡ÃÁãË ¡ºÑ àËµØ¡ÒÃ³ cmdRdTH_Click ´Ñ§¹Õé Private Sub cmdRdTH_Click() Dim tmp As Double Dim datH As Integer Dim datL As Integer I2CSTART Send8BIT &H90 Ack Send8BIT &HA1 ‘Access TH Register Command Ack I2CSTART Send8BIT &H91 Ack datH = Read8Bit ‘Read MSB TH Register MAck datL = Read8Bit ‘Read LSB TH Register MNAck I2CSTOP If (datL And &H80) = &H80 Then tmp = datH + 0.5 Else tmp = datH End If txtTH.Text = tmp End Sub

¨ÐàËç¹ä´ ÇÒ â»Ãá¡ÃÁÊíÒËÃÑºàËµØ¡ÒÃ³ cmdRdTL_Click ¹Ñ¹é àËÁ×Í¹¡Ñº cmdRdTH_Click áµ à»ÅÕÂè ¹ Command à» ¹ &HA2 áÅÐà¡çº¤ ÒÅ§ã¹ txtTL.Text 15.17 à¢ÕÂ¹â»Ãá¡ÃÁãË ¡ºÑ àËµØ¡ÒÃ³ cmdWrTH_Click ´Ñ§¹Õé Private Sub cmdWrTH_Click() Dim tmp As Double Dim datH As Byte Dim datL As Byte datH = Fix(txtTH.Text) tmp = Val(txtTH.Text) - datH If tmp <> 0 Then datL = &H80 I2CSTART Send8BIT &H90

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 149

Ack Send8BIT &HA1 Ack Send8BIT datH Ack Send8BIT datL Ack I2CSTOP End Sub

‘Access TH Register Command

¨Ò¡â»Ãá¡ÃÁ¢ Ò§µ ¹ àËµØ¡ÒÃ³ cmdWrTL_Click ¶Ù¡á¡ ä¢ãË ÃºÑ ¤ Ò¨Ò¡ txtTL.Text áÅÐ ãª Command &HA2 15.18 ÃÑ¹â»Ãá¡ÃÁáÅ Çà¢ÕÂ¹¤ Ò Config ãË à» ¹ A ¤ÅÔ¡é »ØÁ Write Config à¾×Íè ¡íÒË¹´âËÁ´¡ÒÃ á»Å§¤ Òµ Íà¹×Íè § áÅÐãË Thermostat ·íÒ§Ò¹âËÁ´ Active High 15.19 ãÊ ¤Ò 30 ã¹ª Í§ TH áÅÐ 28 ã¹ª Í§ TL ¤ÅÔ¡é »ØÁ Write ¢Í§ TH áÅÐ TL 15.20 ¤ÅÔ¡é »ØÁ Start Convert ãË DS1621 àÃÔÁè á»Å§¤ ÒÍØ³ËÀÙÁÔ ãª ¹ÇÔé ËÃ×ÍÇÑµ¶ØÍ¹×è áµÐãË DS1621 à»ÅÕÂè ¹ÍØ³ËÀÙÁÔ ¤ÅÔ¡é »ØÁ Read Temp ÊÑ§à¡µÍØ³ËÀÙÁ·Ô ÍÕè Ò ¹ä´ ¶ ÒÁÕ¤Ò ÁÒ¡¡Ç Ò 30 LED º¹ºÍÃ ´ EX-10 ¨ÐµÔ´¾Ã ÍÁ¡ÑºÁÕàÊÕÂ§áÅÐÃÕàÅÂ ·Òí §Ò¹µÒÁ¨ÑÁê à»ÍÃ ·µÕè §Ñé äÇ àÁ×Íè Í Ò¹¤ Ò¨Ò¡ÃÕ¨ÊÔ àµÍÃ Config ¨ÐÁÕ¤Ò à» ¹ 2A à¾ÃÒÐºÔµ THF ÁÕ¤Ò à» ¹ 1 ·Ñ§é ¹Õàé » ¹¼ÅÁÒ¨Ò¡ÍØ³ËÀÙÁ·Ô ÇÕè ´Ñ ä´ ÁÕ ¤ ÒÁÒ¡¡Ç Ò TH ·Õµè §Ñé äÇ ÊÒÁÒÃ¶´ÙÃÒÂÅÐàÍÕÂ´¢Í§â»Ãá¡ÃÁ¾Ã ÍÁ¡Ñº·´ÅÍ§ãª §Ò¹ä´ ¨Ò¡ä¿Å LAB15C.VBP ã¹ á¼ ¹«Õ´ÃÕ ÍÁ

àÃÕÂ¹ÃÙ áÅÐ»¯ÔºÑµÔ¡ÒÃàª×èÍÁµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ÑºÍØ»¡Ã³ ÀÒÂ¹Í¡¼ Ò¹¾ÍÃ µ¢¹Ò¹ 150