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Examples.zip (9024, )
Help.zip (80702, )
Sources.zip (64871, )

+----------------------------------------+ | ComPort Library version 2.61 | | for Delphi 3, 4, 5 | | and C++ Builder 3, 4, 5 | | | | by Dejan Crnila | | 19***-2000 | | C++ Builder support by Paul Doland | +----------------------------------------+ Contents 1. Author information 2. Files in archive 3. Examples 4. Package names 5. Installing ComPort Library 6. C++ Builder notes 7. Installing help file 8. Known problems and issues 9. Version history 1. Author information --------------------------------------------------------------------------------- Name: Dejan Crnila E-mail: dejancrn@yahoo.com Home page: http://www2.arnes.si/~sopecrni Home address: Dolenja vas 111, 3312 Prebold, SLOVENIA Year of birth: 1978 Occupation: Student of computer science at University of Ljubljana Note: ComPort Library has been in development more than two years with a lot of work put in it. I have been thinking about making it shareware, but i have decided to distribute it as freeware with sources, because i want to contribute as much as possible to the Delphi community on the internet. I have tried several programming languages, but not a single one comes close to Delphi's simplicity and power. However, i ask all ComPort Library users to send me at least a postcard if they find the component useful. That will give me a motivation for further development of the component. I hope that this is not too much to ask from you. 2. Files in archive -------------------------------------------------------------------------------- ReadMe.Txt - this file Sources.zip - ComPort Library sources Help.zip - Delphi context-sensitive help file for library Examples.zip - Example projects 3. Examples -------------------------------------------------------------------------------- ComExample.dpr - shows some basic send-recieve features ModTest.dpr - modem test console application MiniTerm.dpr - simple terminal application CPortMonitor.pas - TCPortMonitor component for monitoring incoming and outgoing data. This example shows how to link to TCustomComPort component. Author: Roelof Y. Ensing (e-mail: ensingroel@msn.com). 4. Package names -------------------------------------------------------------------------------- Design-Time Source Run-Time Source ---------------- --------------- Delphi 3 DsgnCPort3.dpk CPortLib3.dpk Delphi 4 DsgnCPort4.dpk CPortLib4.dpk Delphi 5 DsgnCPort5.dpk CPortLib5.dpk C++ Builder 3 DsgnCPortCB3.bpk CPortLibCB3.bpk C++ Builder 4 DsgnCPortCB4.bpk CPortLibCB4.bpk C++ Builder 5 DsgnCPortCB5.bpk CPortLibCB5.bpk Design-Time library Run-Time library ---------------- ---------------- Delphi 3 DsgnCPort3.dpl CPortLib3.dpl Delphi 4 DsgnCPort4.bpl CPortLib4.bpl Delphi 5 DsgnCPort5.bpl CPortLib5.bpl C++ Builder 3 DsgnCPortCB3.bpl CPortLibCB3.bpl (also .lib and .bpi) C++ Builder 3 DsgnCPortCB3.bpl CPortLibCB4.bpl (also .lib and .bpi) C++ Builder 3 DsgnCPortCB3.bpl CPortLibCB5.bpl (also .lib and .bpi) 5. Installation -------------------------------------------------------------------------------- Remove all previously installed files of ComPort Library (TComPort component). Create a new folder under Delphi directory and extract Sources zip file into new folder. Set Library Path to new ComPort folder (Tools-Environment Options-Library-Library Path). For Delphi 3, 4, 5 & C++ Builder 4, 5: (C++ Builder users also need to read the C++ Builder notes) Use "File/Open" menu item in Delphi/C++ Builder IDE to open ComPort run-time package source file (see above). Click "Compile" button in Package window to compile the library. Now move run-time package library file or files (see above) from ComPort folder to a folder that is accessible through the search PATH (e.g. WinNT\System32). Now you have to install design-time package. Use File/Open menu item to open design-time package source file (see above). Click "Compile" button in Package window to compile the package and "Install" button to register ComPort into the IDE. ComPort components appear in "CPortLib" page of component pallete. If it complains that it can't install it because it can't find a library, you probably did not put the run-time package in the search path. You might not get this error until the next time you try to start Delphi/C++ Builder. Note: Do not save packages under Delphi/C++ Builder IDE. For C++ Builder 3 (C++ Builder users also need to read the C++ Builder notes) C++ Builder 3 does not have a "Package window" like the other products. So, installation is slightly different. Use "File/Open" menu item in Delphi/C++ Builder IDE to open ComPort run-time package source file (see above). Compile the package from the project menu or Ctrl-F9. Now move run-time package library files (see above) from ComPort folder to a folder that is accessible through the search PATH (e.g. WinNT\System32). Now you have to install design-time package. Use File/Open menu item to open design-time package source file (see above). Compile the package from the project menu or Ctrl-F9. To install the package into the IDE, go to the Component menu, "Install Packages" option. Click the Add button. Browse to the design-time library and select it. If it complains that it can't install it because it can't find a library, you probably did not put the run-time package in the search path as described above. Note about Delphi 2: Note: Delphi 2 is no longer suported, however, with some minor changes, it should compile under Delphi 2 as well. Use "Component/Install" menu item to add "CPortReg.pas" unit to the component library. This unit registers ComPort components on "CPortLib" page of component pallete. 6. C++ Builder Notes ------------------------------------------------------------------------------ The .hpp file C++ Builder creates for cport.pas will have a bug in it. The first time you compile a project, you will get one or two duplicate definitions within the EComPort exception class. It seems to be safe to delete or comment out the duplicates. Also, the CPortCtl.HPP may have a bug in it. If you get an error about the following being ambiguous; typedef TBitmap TLedBitmap; Change it to: typedef Grahpics::TBitmap TLedBitmap; If someone knows how to fix these more cleanly, send me an e-mail to pdoland@flash.net. 7. Installing help file ------------------------------------------------------------------------------ The example shown is for Delphi version 4. For other version of Delphi change the 4 to your version number. a) Copy the CPort.hlp and CPort.cnt to the Delphi4 Help directory. b) Load the DELPHI4.CFG file (located in the Delphi4/Help directory) into an editor such as Notepad. At the bottom of the file, you will see something like this: ; Third-party Help ;----------------- :Link quickrpt.hlp :Link teechart.hlp :Link imagedit.hlp c) Add the following line to the bottom of the Third-party Help section: :Link CPort.hlp d) Save the DELPHI4.CFG file. e) Load the DELPHI4.CNT file (located in the Delphi4/Help directory) into an editor such as Notepad. At the top of the file you will see something like this: :Base delphi4.HLP>main :Title Delphi Help ; Index section ;============== :Index VCL Object and Component Reference=vcl3.hlp :Index Object Pascal Reference=obpascl3.hlp At the bottom of the Index section add the following line: :Index ComPort Library=CPort.hlp f) Go to the bottom of the DELPHI4.CNT file and you should see an "Include section" something like this: ; Include section ;================ :Include win32sdk.toc :Include winhlp32.cnt At the bottom of the Include section add the following line: :Include CPort.cnt Context-sensitive Help should now be available from the Delphi4 IDE (choosing the F1 key while a property is selected should bring up the appropriate item in the TComport.HLP file). Also, the Comport Component Help will be available from the Delphi 4 Help file Contents list, and Index list. 8. Known problems and issues ----------------------------------------------------------------------------- 1.) OnRxBuf event handler problem in Delphi IDE If user double clicks on OnRxBuf event in Delphi IDE, message pops up saying: "Property and Method ComPort1RxBuf are not compatible". This is a Delphi IDE bug, since it can't handle untyped parameters like Buffer parameter of OnRxBuf event. Solution: Application has to assign OnRxBuf handler manually in code. 2.) Two serial ports sharing the same IRQ address Some users of Windows 95/*** have reported that application can't have two TComPort components open simultaneouslly if serial ports share the same IRQ address. This usually COM1/COM3 and COM2/COM4. Solution: Not known yet. 9. Version history ----------------------------------------------------------------------------- 2.61 (11.6.2000) TComDataPacket supports custom packet forming TComTerminal LoadFromStream/SaveToStream methods lsConn signal support in TComLed Other minor changes 2.60 (1.5.2000) TComTerminal component WaitForEvent method in TComPort component 2.52 (30.3.2000) C++ Builder support added by Paul Doland Rx and Tx signal support in TComLed 2.51 (3.3.2000) OnAfterOpen, OnAfterClose, OnBeforeClose, OnBeforeOpen events Support for custom baud rate values Other minor changes and fixes 2.50 (10.2.2000) New components: TComDataPacket, TComComboBox, TComRadioGroup and TComLed BeginUpdate, EndUpdate methods StoreSettings, LoadSettings methods TComFlowControl.FlowControl property Bug fix and code optimization 2.01 (1.11.1999) Added EnumComPorts procedure Port property changed to PortNum (now String type property) 2.00 (17.10.1999) New concept of calling asynchronous operations Some new properties, methods Code optimization, simplification Help file included 1.71 (27.05.1999) A bug fix! 1.70 (28.04.1999) New methods: SetDTR, SetRTS, SetBreak, SetXonXoff Properties can be changed during a session 1.60 (10.04.1999) New properties: EventChar, DiscardNull, SyncMethod Extended Parity property Fixed compilation problems Other bug fixes 1.50 (13.03.1999) Read/Write operations in asynchronous/synchronous mode Added OnRx80Full event Extended flow control Added Timeouts property 1.01 (24.10.19***) Added more signal detection functions. Added this documentation. Added PurgeOut function. Fixed some minor bugs. 1.00 (29.09.19***) Basic version of the component

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