Virtual Serial Port Driver

Fully emulate real serial port
Create virtual COM port pairs

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Case Studies

Client: Bjørn Krangnes

"We are using Virtual Serial Port Driver for testing out Geographic Information System software connectivity with a virtual GPS (software simulation). The GPS emulator is simulating the output we normally receive from a GPS navigator."

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Build Info
File size:
6.77Mb
Latest build:
7.0.1.263
Release date:
26th July, 2010
Build compiled:
26th July, 2010
Compatible with:
 
 
 
User ManualChangelog (RSS)
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virtual serial port - virtual com port

Create virtual serial port pairs

Virtual Serial Port Driver creates virtual serial ports and connects them in pairs via virtual null-modem cable. Applications on both ends of the pair will be able to exchange data in such a way, that everything written to the first port will appear in the second one and backwards.

All virtual serial ports work and behave exactly like real ones, emulating all their settings. You can create as many virtual port pairs as you want, so there will be no serial ports shortage and no additional hardware crowding your desk.

Moreover, Eltima virtual serial port technology can be fully integrated into your own software (OEM license).

Virtual Serial Port Driver is completely compatible with Windows 7 (32-bit and 64-bit editions)
virtual serial port

Virtual Serial Port Driver main features:

Create any number of virtual COM ports

Virtual Serial Port Driver provides you with the ability to create an unlimited number of virtual serial ports. Created ports are located in "ports" group in Device Manager, which means that they will be visible and easily recognized by all software and hardware you install. You will be able to set which application has access to the defined port. No real hardware serial ports are occupied.
virtual COM port

Complete real ports settings emulation

Virtual ports, created by Virtual Serial Port Driver, work exactly like real ones. They emulate all real serial ports settings and provide strict baudrate emulation and full HandFlow control support. Additionally, you can easily emulate a serial line break. Moreover, VSPD uses advanced Windows kernel driver technology, which ensures WDM, WMI, Power Management, PnP, etc. support. Virtual Serial Port Driver is fully compatible with API COM and supports all Windows messages.
virtual rs232 port

Manage all signal lines

Virtual serial ports created with Virtual Serial Ports Driver emulate and support all standard hardware signal lines (DTR/DSR, RTS/CTS, RING, ERROR, DCD, etc.). As in real null-modem connection, DTR of the local port is connected to DSR and DCD of the remote port, and RTS of the local port is connected to CTS of the remote port. Moreover, you can choose loopback pinout or create custom one depending on your hardware configuration.

Full features list:

  • Any number of virtual serial ports pairs can be created
  • Virtual serial ports are absolutely the same copies of real ones - applications won't see the difference between real and virtual serial ports
  • Virtual serial ports can be controlled directly from your own application via Dynamic Link Library supplied with VSPD (for OEM License owners)
  • Link between virtual serial ports is much faster than real null-modem cable connection and solely depends on your processor speed (average transfer speed is about 5.5 Mbytes/sec)
  • Real serial ports are not occupied - you can even have no real ports in system at all
  • Strict baudrate emulation (for Windows NT4/2000/XP/2003/Server 2008/Vista/Windows 7)
  • All signal lines are available: DTR/DSR/CTS/RTS/DCD/RI
  • Full support of HandFlow control (Hardware and Xon/Xoff)
  • Virtual serial line connection break emulation (for Windows NT4/2000/XP/2003/Vista/Server 2008/Windows 7)
  • Different virtual null-modem schemes are available: standard/loopback/custom (for Windows NT4/2000/XP/2003/Vista/Server 2008/Windows 7)
  • Virtual serial port may have any name you like, even the same name as real port has
  • Ports are automatically re-created on system reboot (prior to user login)
  • Possibility to change names of virtual serial ports, created by VSPD, shown in Device Manager
  • Restriction of access to created virtual ports for various applications (for Windows 2000/XP/2003/Vista/Server 2008/Windows 7)
  • Virtual Serial Port Driver and all of its internal drivers are digitally signed
  • Complete information about current virtual serial port state, sent/received data, etc (for Windows NT4/2000/XP/2003/Vista/Server 2008/Windows 7)
  • Windows kernel driver technology support (WDM, WMI, Power Management, PnP, etc)
  • Printers can be assigned to any virtual serial port (available after Windows reboot)
  • Hyper-threading and VMware friendly
  • No reboot is required after VSPD installation, creation and reconfiguration of virtual serial ports

Demo version limitations:

  • 14-day fully-functional trial

Interface languages:

English

Compatible with:

  • Windows 98 SE
  • Windows Me
  • Windows NT 4.x
  • Windows XP 32-bit
  • Windows 2000
  • Windows XP 64-bit
  • Windows 2003 32-bit
  • Windows 2003 64-bit
  • Windows 2008 32-bit
  • Windows 2008 64-bit
  • Windows Vista 32-bit
  • Windows Vista 64-bit
  • Windows 7 32-bit
  • Windows 7 64-bit

OEM LICENSE

for Virtual Serial Port Driver

Why OEM?
OEM License permits you to embed Virtual Serial Port Driver technology into your own software or hardware products.

OEM license grants you the right for unlimited redistribution of Virtual Serial Port Driver as an integral part of your software. OEM license is a royalty-free one-time purchase.

Purchasing the OEM license you get:
  • OEM documentation on how to work with our driver directly
  • Example for creating a class which demonstrates the possibility to create the ports like in VSPD (visible and invisible ports)
  • vspdctl.DLL - wrapper for a driver for manipulations with virtual serial ports on a higher level
How to evaluate the OEM license
To let you evaluate the OEM license before purchasing, we are ready to send you the OEM Evaluation Kit, so you can try integrating Virtual Serial Port Driver into your project. The documents will be sent to you upon your request.

Supported IDEs
You will be able to use Virtual Serial Port Driver OEM license in the following IDEs: Borland Delphi, C++ Builder, Microsoft VC++, Microsoft Visual Basic, Visual Basic.Net, Visual Studio C#, Visual C.Net, some other "exotic" IDEs which our clients randomly report us about.

SOURCE CODE LICENSE

for Virtual Serial Port Driver

Ordering Source Code license for Virtual Serial Port Driver you receive all extensively commented programming source code of the driver (GUI sources are not included). In addition, we provide technical and information lifetime support by email, IMs and phone, and high-end consulting services. Our leading developers will help you implement Source codes and understand the advanced part of the product.

SITE LICENSING

for Virtual Serial Port Driver

Unlimited Site License grants you the right to install and utilize Virtual Serial Port Driver application with GUI on unlimited number of computers by all workers of your company worldwide. It is the ideal solution if your company has representation offices in the different parts of the world.

If you know the certain number of computers to be equipped with VSPD you may consider obtaining Limited Site License. The advantage of Site Licensing comparing to multiple Single licenses is one license key for all company computers.