![]() ![]() The COM specification defines how objects are created and how they communicate with each other. COM is both a specification and an implementation. In facts there are 2 programming aspects used in WinCOM applications. This allows the system headers to supply the definitions of interfaces such as IUnknown, and the redeclaration in some other header (such as COMDEF.H) to supply the GUID (is a 128-bit randomly generated number). This attribute can be applied in a redeclaration. You simply can create such an ID with CreateClassID: writeln(createclassid) > Excel.Application.11 The string names an existing GUID in normal registry format so you can find them in the registry. COM classes add functionality for using class factories and class identifiers (CLSIDs). Delphi provides base classes for these technologies that extend the basic interface functionality in TInterfacedObject, which simply implements the IInterface interface methods. In VCL applications as maxbox use, interfaces are a fundamental element in the COM, SOAP, and CORBA distributed object models. The Arduino is what is known as a Physical or Embedded Computing platform, which means that it is an interactive system that through the use of hardware and software can interact with its environment. Hope you did already work with the Starter 1 till 18 (especially the 18 with Arduino) at: Arduino hardware is programmed using a Wiring-based language (syntax and libraries), similar to C++ and Object Pascal with some slight simplifications and modifications. ![]() In the second part we control a DC-motor with Arduino and deliver the data to the excel file mentioned above. In the first part of this tutorial we export data to a spreadsheet by using WinCOM (not the same as COM for the RS232 Serial interface, so I stress the name WinCOM). 1 maxbox Starter 19 Start with WinCOM / Arduino Programming 1.1 Embedded Computing and a Spreadsheet This tutorial illustrates what the WinCOM (Component Object Model) interface level does and what you can do to make sure your code works with an Excel spreadsheet. ![]()
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