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EnumSerialPorts v1.02 - Enumerating Serial Ports

, 3 Mar 2000 183.2K 4.4K 41
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A freeware MFC function to enumerate serial ports.
  • Download source files - 7 Kb
  • Introduction

    Welcome to EnumSerialPorts v1.01, a simple MFC function to enumerate the serial ports installed on your machine.


    Features
    Usage
    History
    API Reference
    Contacting the Author


    Features

    • Simple C style function interface.
    • The code works on both Windows 95/98 and NT.
    • The code is fully Unicode compliant and include Unicode built options in the workspace file.


    Usage

    • To use the function in your code simply #include "enumser.cpp" in your project and #include "enumser.h" in which ever of your modules needs to make calls to the function.
    • Your code will need to include MFC either statically or dynamically.
    • To see the class in action, have a look at the main function in the module main.cpp.


    History

    v1.0 (3 November 1998)
    • Initial Public release.

    v1.01 (23 February 1999)

    • Code now uses QueryDosDevice() if running on NT to determine which serial ports are available. This avoids having to open the ports at all. It should operate a lot faster in addition.

    V1.02 (12 December 1999)

    • Fixed a problem in the Win9x code path when trying to detect deactivated IRDA-ports. When trying to open those, you will get the error-code ERROR_GEN_FAILURE.


    API Reference

    EnumerateSerialPorts

    void ::EnumerateSerialPorts(CUIntArray& ports);

    Parameters:

    • ports -- Upon return this array will contain the port numbers of all the serial ports installed on the computer.



    Contacting the Author

    PJ Naughter
    Email: pjn@indigo.ie
    Web: http://www.naughter.com
    12 December 1999


    License

    This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

    A list of licenses authors might use can be found here

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    About the Author

    PJ Naughter

    United States United States
    No Biography provided

    Comments and Discussions

     
    GeneralUintArray Pin
    drequinox4-Sep-06 10:44
    memberdrequinox4-Sep-06 10:44 
    GeneralProblem: Other devices starting with "Com"... Pin
    Supermagle11-Nov-05 3:03
    memberSupermagle11-Nov-05 3:03 
    GeneralRe: Problem: Other devices starting with "Com"... Pin
    Supermagle11-Nov-05 3:12
    memberSupermagle11-Nov-05 3:12 
    GeneralVIRTUAL SERIAL PORT Pin
    Joseph126-May-03 8:53
    memberJoseph126-May-03 8:53 
    GeneralRe: VIRTUAL SERIAL PORT Pin
    JLT7623-Feb-05 16:28
    memberJLT7623-Feb-05 16:28 
    GeneralSuggestion for another method Pin
    chris10919-Mar-02 3:03
    memberchris10919-Mar-02 3:03 
    GeneralThe way I do it ... Pin
    anonymous24-Aug-01 7:36
    memberanonymous24-Aug-01 7:36 
    GeneralIncorrect COM0 detection Pin
    Anonymous6-Aug-01 20:26
    memberAnonymous6-Aug-01 20:26 
    I'm using WinNT4. I get two COM0 when I use your library. After debugging, I find that there are devices named comxxxx where xxxx is anything (eg comDet). In this case, the _ttoi will return 0 because it failed to translate 'det' to a number.

    In other words, even if the first three characters are com, it may not be a com port. You have to verify that the trailing characters are all numbers.
    GeneralRe: Incorrect COM0 detection Pin
    Anonymous12-Aug-01 14:18
    memberAnonymous12-Aug-01 14:18 
    GeneralRe: Incorrect COM0 detection Pin
    Anonymous12-Aug-01 14:31
    memberAnonymous12-Aug-01 14:31 
    GeneralThere is a better way to enumerate ports... Pin
    Christian B25-Jul-01 1:15
    memberChristian B25-Jul-01 1:15 
    GeneralHelp for Windows CE Pin
    Chris Pichon19-May-01 5:48
    memberChris Pichon19-May-01 5:48 
    GeneralRe: Help for Windows CE Pin
    susilrani9-May-08 0:22
    membersusilrani9-May-08 0:22 
    Generali need to detect a modem . . . Pin
    guy19-Sep-00 5:37
    sussguy19-Sep-00 5:37 
    GeneralUse vector<UINT> instead of CUIntArray Pin
    leowlf9-Apr-00 16:22
    sussleowlf9-Apr-00 16:22 
    GeneralRe: Use vector<UINT> instead of CUIntArray Pin
    PJ Naughter16-May-00 13:57
    sussPJ Naughter16-May-00 13:57 
    GeneralRe: Use vector<UINT> instead of CUIntArray Pin
    Anonymous19-Apr-02 4:50
    memberAnonymous19-Apr-02 4:50 
    GeneralVirtual Ports Pin
    CMG4-Apr-00 12:06
    sussCMG4-Apr-00 12:06 
    GeneralRe: Virtual Ports Pin
    PJ Naughter5-Apr-00 11:46
    sussPJ Naughter5-Apr-00 11:46 
    GeneralRe: Virtual Ports Pin
    Eldad Kuperman12-Apr-00 23:25
    sussEldad Kuperman12-Apr-00 23:25 
    GeneralRe: Virtual Ports Pin
    Eldad Kuperman12-Apr-00 23:27
    sussEldad Kuperman12-Apr-00 23:27 
    GeneralRe: Virtual Ports Pin
    PJ Naughter16-May-00 14:00
    sussPJ Naughter16-May-00 14:00 
    GeneralRe: Virtual Ports Pin
    PJ Naughter17-May-00 3:13
    sussPJ Naughter17-May-00 3:13 
    GeneralRe: Virtual Ports Pin
    Gin Hwee2-Sep-01 21:52
    memberGin Hwee2-Sep-01 21:52 
    GeneralRe: Virtual Ports Pin
    Anonymous11-Dec-03 23:38
    sussAnonymous11-Dec-03 23:38 

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