( )!+,!)-!., /0!1(02)3 4045!6,7! 45!(!189 :* -1) :() ABC DEFGH DEFG 98* :* J/0K4!6+)))/!6/1!0,L5+, :)!! MABC DEFGN!!

Size: px

Start display at page:

Download "( )*!+,!)*-!.*, /0!*1(02)3 40*45!6,7! 45!(!18*9 :* -*1) :*() ABC DEFGH DEFG 98* :* J/0K4!6+)))*/!6/1!0,L5+, :*)!! MABC DEFGN!!"

Marilyn Ball
6 years ago
Views:

1 !"#$%&!!"##$%&' ( )*!+,!)*-!.*, /0!*1(02)3 40*45!6,7! 45!(!18*9 :* ;<=>?@ -*1) :*() ABC DEFGH DF@IG<F DEFG 98* :* J/0K4!6+)))*/!6/1!0,L5+, :*)!! MABC DEFGN!!) '()'*)+,-.!! /, 1!,! (-1!)*!! /(,7)*! )*1)(9040*! )*/0K : /0K4)*ABCDEFG4!60*! /0(!8*O1P:()!! /*QRBS1020.*)*3/*QRBS2!,T( U,T( :!.():202! )*)*31),7 ). (10! **-1!)*!! M19)*!(0)N(V W@IXEYZ[D +)20!! ( *!!20/+( ()* :!20*/0!.( +0(0-.20! /, 1! 1(10 +(0-* W@IXEYZ\]UC^U\] S^H W@IXEYZ_``Ù[D :W@IXEYZ_`à-.+(0!/8-!M.+(0 1)!/8-)-N (Kb!,T( (0b,!!!)!): 0*.! 8 )+,-

2 c#,t(1de,7:/*! +(01!) ABCcH ABC_H ABCa : ABCf _#))dt!maeig@hifjg@ein/*,t( a#, )0*! f#!.()dt! k#.! )/0K!1de1! /0K! 1//0K*1de 1! )*/0K!* l#.!,t(1m(mnjix=<n/*,t(+0!/--*l-:/,7, 1! (0;<=>?@!6/,70(, 1! +(0 (*- M4/0/-k+, +)+(0)*/*-*(N procedure TFormc#ButtoncClick(Ser: TObject); var hcom1othandle; ccom1otcommconfig; scom1odword; { Step 1. } hcomcopcreatefile('com1', GENERIC_READ or GENERIC_WRITE,0, NIL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,0); if (GetLastError() = ERROR_ALREADY_EXISTS) then MessageBox(handle,'CREATE_ALWAYS or OPEN_ALWAYS', 'Error', MB_OK); if (GetLastError() = INVALID_HANDLE_VALUE) then MessageBox(handle,'CINVALID_HANDLE_VALUE', 'Error', MB_OK); { Step 2. Read the COM1 config. } if hcom1 <> 0 then if GetCommConfig(hCom1, ccom1, scom1)=true then msg.items.add('::: Default setting :::'); msg.items.add('comc version = '+IntToStr(cComc#wVersion)); msg.items.add('baud rate = '+IntToStr(cComc#dcb.BaudRate)); msg.items.add('byte size = '+IntToStr(cComc#dcb.ByteSize)); if (ccom1#dcb.parity = 0)then msg.items.add('parity bit = no') else if (ccom1#dcb.parity = 1)then msg.items.add('parity bit = odd') else if (ccom1#dcb.parity = 2)then msg.items.add('parity bit = even') /

3 else if (ccom1#dcb.parity = 3) then msg.items.add('parity bit = mark') else if (ccom1#dcb.parity = 4)then msg.items.add('parity bit = space') // Parity bit if (ccom1#dcb.stopbits = 0)then msg.items.add('stop bit = 1') else if (ccom1#dcb.stopbits = 1)then msg.items.add('stop bits = 1.5') else if (ccom1#dcb.stopbits = 2)then msg.items.add('stop bits = 2') // StopBits // GetCommSetting { Step 3. } ccom1#dcb.baudrate := 9200; // 9200 bps ccom1#dcb.bytesize := 8; // data 8 bits ccom1#dcb.parity := 0; // no parity bit ccom1#dcb.stopbits := 0; // 1 stop bit { Step 4. } SetCommConfig(hCom1, ccom1, scom1n; if GetCommConfig(hCom1, ccom1, scom1)=true then msg.items.add('::: My setting :::'); msg.items.add('comc version = '+IntToStr(cComc#wVersion)); msg.items.add('baud rate = '+IntToStr(cComc#dcb.BaudRate)); msg.items.add('byte size = '+IntToStr(cComc#dcb.ByteSize)); if (ccom1#dcb.parity = 0)then msg.items.add('parity bit = no'); else if (ccom1#dcb.parity = 1)then msg.items.add('parity bit = odd'); else if (ccom1#dcb.parity = 2) then msg.items.add('parity bit = even'); else if (ccom1#dcb.parity = 3)then msg.items.add('parity bit = mark'); else if (ccom1#dcb.parity = 4)then msg.items.add('parity bit = space'); // Parity bit if (ccom1#dcb.stopbits = 0)then msg.items.add('stop bit = 1'); else if (ccom1#dcb.stopbits = 1)then msg.items.add('stop bits = 1.5'); else if (ccom1#dcb.stopbits = 2)then 0

4 msg.items.add('stop bits // StopBits // GetCommSetting = 2'); // hcom1 <> 0 { Step 6. } if hcom1 <> 0 then CloseHandle(hComcN; 6).,70* K0! )1( +(0!*:;<=>?@^>@ZEX< R( OP6(K 2* -* 0*! ( 62!.*10*8!O-*(20/02!)10)q+ /8-(r- B><ISEiFs< 20 ((0(/* /8!O:/0210 q/8-2),7/** :,+,)/ q!6+(0m19+(0 (2! q(0),74k08*-.b><iseifs<n 4!6+)!b:(100(!620+(00*+)+(00*)*4/04!-!.20 ( M0(0N!6*0(K###110!6! B><I ZEiFs< )*( + ()!! 20!;<=>?@1AttQi@=X<F4!6:!8* :ADEFG ::63:AEuDEFGv@wFjFxy<FZ@EI_#lfgEF;<=>?@aHfHkHlHzjIXAtt Qi@=X<F ah fh kh lp8*q(;<{ji AFI@=j1vjFZ;xwXj?=.) ! ;<=>?@z+(0(0 + -K)21des>EFGa#< <M/(z``!)!+((W@I}~}N4 1! /0*2d( f:< ju>=<z!6)*, 1! H?<=>!61de):H =Esj=<.!6.b)*OMO9###+)O+ N 1ZEiFs<Z!60(0V 1

,3456)'*)78!):201de s>efga#< <(0! XEiw=< s=@s :1de10:! *!-/0+,2d( : SEiFs<Z -!60*(K) ;<=>?@ )+90,7 ) z :!/*4!620 XEiw=< =@s 1de:)ADEFGv@wz#X> :!

5 ,3456)'*)78!):201de s>efga#< <(0! XEiw=< :1de10:! *!-/0+,2d( : SEiFs<Z -!60*(K) ;<=>?@ )+90,7 ) z :!/*4!620 XEiw=< =@s 1de:)ADEFGv@wz#X> :!1de **10 0)*:(* K,c K,c0)* **/*A>EFGv@wz#X> 20! AEu>@=< 10(0! RIZGj= *!-,T(;<=>?@/-)+,20 XEiw=< s=@s 1de;ZhIADEFGz#X> 10+(00: K,_ 20.! AEu>@=< 1 RIZGj=:/-!)0-*!-20,T(, 1! ;<=>?@ 2

K,_0)* **/*;ZhIADEFGz#X> /-)+,-.5! +, 1! 0*20! 1de )+,-2! +0/* :0*(!1de(*!)+,+02d( vrq/* ;<=>?@*)-!6 020*+ ADEFG10 4 CPort.dcu CPortAbout.dcu CPortCtl.dcu CPortEsc.dcu CPortImg.res CPortSetup.

6 K,_0)* **/*;ZhIADEFGz#X> /-)+,-.5! +, 1! 0*20! 1de )+,-2! +0/* :0*(!1de(*!)+,+02d( vrq/* 020*+ ADEFG10 4 CPort.dcu CPortAbout.dcu CPortCtl.dcu CPortEsc.dcu CPortImg.res CPortSetup.dcu CPortSetup.dfm CPortTrmSet.dcu CPortTrmSet.dfm gnugettext.dcu ),:+8;<5 )*, 1! -: **)CEX <ZG#X>FP8*K)2d( ^ ju>=<z;<=>?@ /*1de20(( 2)*-,7! /, 1! 1(P MAEIZE=< CEX<N :0!2:/*(!O 0(, 1! /*)*-,7(*- program ModTest; {$APPTYPE CONSOLE} uses SysUtils, CPort, Windows, SyncObjs; 9

7 var ComPort: TComPort; Events: TComEvents; Answer, Data: string; Step: Integer; Event: TEvent; function CtrlHandler(CtrlType: LongWord): Boolean; Event.SetEvent; Result := True; Event := TEvent.Create(nil, True, False, ''); True); try ComPort := TComPort.Create(nil); try if ParamCount > 0 then ComPort.Port := ParamStr(1) else ComPort.Port := 'COM1'; ComPort.Events := []; ComPort.FlowControl.ControlDTR := dtrenable; ComPort.FlowControl.ControlRTS := rtsenable; ComPort.Open; // open port ComPort.WriteStr('AT'#13#10); // s test command Answer := ''; Step := 0; repeat Events := [evrxchar]; // wait for characters ComPort.WaitForEvent(Events, Event.Handle, 5000); if evrxchar in Events then ComPort.ReadStr(Data, ComPort.InputCount); Answer := Answer + Data; if Pos('OK', Answer) > 0 then Break; Inc(Step) until (Events = []) or (Step = 20); if Pos('OK', Answer) > 0 then WriteLn('Modem found on ' + ComPort.Port) else WriteLn('Modem NOT found on ' + ComPort.Port); finally ComPort.Free; except on E: Exception do WriteLn('Error: ' + E.Message); Event.Free;. =

8 , 1! -.!,T( ABCc :,T( /0 )*,7!, 1! ) Modtest COM2 *!-.! *20,T( MComport.OpenN 1.! )*/0K+,,7 ~ ) AT #13#10 P8*,7! * (6:20(6)* /0!! 10 /0K)!!)! M^y<IGZN,7))* :. _` (21) -!!!! /0K, k1 90/0K4)* (if evrxchar in Events then ) * )/0. (0.* Comport.ReadStr!621, Data,7.ComPort.InputCount!O :!!! )/0) Bƒ :+)901(*)(6 1)90+)!61(*/0)+)(6) :*/* exception )*.) tryh finally1except-902 )+)/02*0**:! /, 1! (0 ;<=>?@)10) ),:+8;<5/ )**:C@I@ <Fu#X>F )*-!!(4((6!0 :* 1de ***+)#}^SP8*98*10)+)1de(*!);<=>?@!6}<sF<jG<20 K)10 0/*, 1! -,7(* K,a6)(0!/*+ ADEFG ).,70*20*nx><F <Fu@Ij=!6+(0 * 20!6*. /, 1! +(0!1:*!)*-b10)/0*4/!,7! 0)! *(K ), 1! *+ 0*902 :-;<=>?@!)!6! 20+)!1)90*+)8!O!)102 0)!6/1.)( K*10*:;<=>?@8!O)* **!+(010 >

@< *)4K0)**6) 920+ -!+(0)*+ 1*)* q,, *,7/* +(0. 6 (00*//* ^ 1!! 4,7)*K**20!42! /!)+,1// 1: )***20!.*24 0*,7)* :* /!0*) P8* *310 :* / 4,!!!!+0101)4!64((K) :,!!1de0VK5 +,!m ((!

9 @< *)4K0)**6) !+(0)*+ 1*)* q,, *,7/* +(0. 6 (00*//* ^ 1!! 4,7)*K**20!42! /!)+,1// 1: )***20!.*24 0*,7)* :* /!0*) P8* *310 :* / 4,!!!!+0101)4!64((K) :,!!1de0VK5 +,!m ((!M/(,e*!)*(10 +)*m0n/2)!6+) 1)2) 6:+!.+ 3 *!6010 Mm)33 N 20b!,7!610! (r!6,7)*1m!)4( (/b 1)4)!!2!!!6!+,)!m)33N /20!!! /, 1! 4)4/+,1!0,L5)!) 9(+,,7(:0 4/20,7 :*,7 200! /(: -* 4?

10 K,a0, 1! <Fu A

REAL TIME OPERATING SYSTEM PROGRAMMING-II: II: Windows CE, OSEK and Real time Linux. Lesson-9: WCE Serial Communication, Network, device-to

REAL TIME OPERATING SYSTEM PROGRAMMING-II: II: Windows CE, OSEK and Real time Linux Lesson-9: WCE Serial Communication, Network, device-to to-device socket and Communication Functions 1 1. Windows CE Serial