Shared Serial Ports

Share real serial port
between multiple applications

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Case Studies

Client: André Frederico Lucas da Silva

"I'm using Serial Port Share to finish my graduating project. I am developing a software to control some sensors on cereal harvester."

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Build Info
File size:
2.9Mb
Latest build:
2.0.80.893
Release date:
8th November, 2006
Build compiled:
12th May, 2008
Works with Vista User ManualChangelog (RSS)
share gps - share com device

COM port sharing solution

Shared Serial Ports is an advanced utility for sharing a hardware serial port between multiple applications by creating virtual serial ports, so that each application can communicate via a port exclusively assigned to it, thus ensuring simultaneous data exchange. Any of the virtual ports may be allowed to send data to the real serial port, while separate permissions may be set for each application to read/write or modify the state of control lines (RTS, DTR, DCD, and RI).

serial device share

With Shared Serial Port you can:

Share one port between several applications

Shared Serial Ports creates virtual copies of a hardware serial port and invisibly gives them the same name. For example, sharing the COM1 port means that several virtual COM1 ports are created to serve as common ports for all applications that need to communicate with the serial device connected to that port.

share rs232 port

Let several applications control the shared port

Shared Serial Ports allows one COM port to be opened by several applications. As all of these applications are shown in the Applications List, you can easily add/remove them and set specific access permissions (such as read/write and control) for them. By default, the read/write permission is set for all applications; enabling some application to control the port means that it is allowed to modify the state of control lines, too.

shared serial port management

Control signal lines of the shared serial port

Virtual ports created by Shared Serial Ports fully support all hardware signal lines (DTR/DSR, RTS/CTS, RING, ERROR, DCD, etc.). As in a 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, to CTS of the remote port.

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