1. C++ Serial Communication

» » » Using ActiveXperts Serial Port Component with ASP.NET (C#) ActiveXperts Serial Port Component is a software development kit (SDK) that enables the user to communicate to a device over a serial interface. Such a device can be: a weight indicator, a modem, a scanner, or any other device that is equiped with a serial port. It can even be another PC, connected via a NULL modem cable.

C++ Serial Communication

Feb 7, 2013 - In today's programming tutorial, I am going to describe some basics about how we can perform serial port communication from our C#.NET applications. Serial communications can be done via either direct to physical serial port connected to the computer or via a USB to serial converter interface.

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ActiveXperts Serial Port Component features the following:. Direct COM port support (like 'COM1'). TAPI (Windows Telephony Device) support (like 'Standard 56000 bps Modem');. Support for RS-232/RS422/RS485, up to 256 simultaneous ports;. Support for all types of Hayes compatible modems;. Support for serial cable as well as USB cable or Bluetooth connections;. Support for Virtual COM ports (i.e.

COM ports redirected through the network);. Hardware flow control (RTS/CTS, DTR/DSR) and software flowcontrol (XON/XOFF) support;. Configurable baudrate/parity/stopbits, full buffered data transfer, text/binary data transfer. Prerequisites You must install and configure Internet Information Services (IIS) before using the ActiveXperts Serial Port Component with ASP.NET If you don't have IIS installed, use the following steps:.

From the Control Panel, click 'Add/Remove Programs'. Select the 'Add/Remove Windows Components' icon from the left pane. Select 'Application Server' and click on 'Details'. From the Control Panel, click 'Add/Remove Programs'. Select both 'ASP.NET' and 'Internet Information Services (IIS)'.

Click 'OK' to finish the installation'. Step 1: Download and install Serial Port Component Download the ActiveXperts Serial Port Component from the and start the installation. The installation guides you through the installation process. Step 2: Create a new ASP.NET C# Project Launch Microsoft Visual Studio from the Start menu.

Choose 'New' from the 'File' menu and click on 'Web Site'. In the 'Web Site' dialog, select ASP.NET Web Site. Select a name for the application, we used: 'DemoApp', and a name for the solution, we used: 'DemoSolution'. Finally, select the directory where you want to store the project, for example: 'C: MyProjects'. (Click on the picture to enlarge) Step 3: Refer to the ActiveXperts Serial Port Component Library and create the objects Now that a new project has been created, you must add a reference to the ActiveXperts Serial Port Component in the project to be able to use the ActiveXperts Serial Port Component object. To do so, choose 'Add Reference.'

From the 'Project' menu. In the 'Add Reference' dialog that pops up, select the 'COM' tab and select the 'Serial Port Component Type Library' as shown in the following picture.

Note To view the.NET Framework source code for this type, see the. You can browse through the source code online, download the reference for offline viewing, and step through the sources (including patches and updates) during debugging; see. Use this class to control a serial port file resource. This class provides synchronous and event-driven I/O, access to pin and break states, and access to serial driver properties. Additionally, the functionality of this class can be wrapped in an internal object, accessible through the property, and passed to classes that wrap or use streams.

The SerialPort class supports the following encodings:, and any encoding defined in mscorlib.dll where the code page is less than 50000 or the code page is 54936. You can use alternate encodings, but you must use the or method and perform the encoding yourself. You use the method to retrieve the valid ports for the current computer. If a SerialPort object becomes blocked during a read operation, do not abort the thread. Instead, either close the base stream or dispose of the SerialPort object.