![]() I can understand a serial port down to the register level inside the chip. Other serial port systems such as USB are very complicated in their operation and extremely fragile in an industrial environment. However I get an 'Access Is Denied' error.Īctually, standard serial comports are still being used by vast quantities of newly manufactured items such as weighing machines, bar code scanners, modems, satellite boxes, GPS, test equipment, medical systems, scientific instruments etc. Hi, I am using win32 API call to CreateFile in my Delphi app in order to read bytes from the Serial Port COM1. This professional Serial Port component is compatible with Microsoft Windows 95/ 98/ NT/ ME/ 2000/ XP/ Vista, Microsoft Visual Basic 5, 6.NET Microsoft Visual C++ 5, 6.NET Inprise/Borland Delphi 3-7, Inprise/Borland C++ Builder 3-6. Includes examples for Microsoft VC++ and Microsoft Visual Basic. ![]()
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