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Visual Basic Excel Serial Port

вторник 14 апреля admin 35

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ActiveXperts » Serial Port Component » How to Use Serial Port Component » Visual Basic for Applications

Perform serial port communication with Visual Basic Serial Port Communication The sample code linked to this page consists of a VB module containing a collection of routines to perform serial port I/O without using the Microsoft Comm Control component. Excel, Visual Basic And Serial Communication - Excel: View Answers: greetz to you all gurus here I'm trying to find a way to start controlling my serial port from within visual basic in excel. Anybody know how to get a good start in doing so? Object is to control/communicate a (self built) controller attached to.

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.

Cia wallpaper. 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.

Step 1: Download and install the ActiveXperts Serial Port Component

Download the ActiveXperts Serial Port Component from the ActiveXperts Download Site and start the installation. The installation guides you through the installation process.

Step 2: Create a new Excel document

Create the form displayed in the image below. To create the buttons, textarea's and drop down menu's, click 'View', 'Toolbars', 'Control toolbox'.

(Click on the picture to enlarge)

Step 3: Fill in the dropdown-menu's

Wen you're finished setting up the form, you need to fill in the dropdown menu's. You need to load the content of your submenu when you open your workbook.You can do this using a visual basic code. To edit your visual basic code you need to be in design mode. To get in design mode, click the button 'Design mode' on the control toolbox. You can edit the visual basic code behind your form in Excel by clicking the button 'View code' below 'Design mode' on the control toolbox.

Open 'ThisWorkbook'.

(Click on the picture to enlarge)

Type the following code in private sub workbook_open():

Make sure you're directing to the right sheet (worksheets('sheet1')).

Step 4: Send an AT command to a connected Hayes compatible modem

In this step the code to send and recieve information from the modem will be written. Type the code below down to sheet1. Make sure the buttons, comboboxes and textarea's have the right names.

The following code shows how to query a modem:

You can download the Excel document from our FTP site. There are many other working samples included with the product. You can also find them on the ActiveXperts FTP site: ftp.activexperts-labs.com/samples/serial-port-component.