Windows serial com port monitor

Google Play. GameStop in-store PS5 restock. Baby Shark hits 10B YouTube views. N95, KN95, KF94 masks. Windows Windows. Most Popular. New Releases. Desktop Enhancements. Networking Software. Trending from CNET. Download Now. Serial Com Port Monitor 3. It monitors, displays, logs and analyzes all serial port activity in Windows OS. This powerful system utility was developed for exploring the way OS works, monitoring how applications use ports, for tracking down problems in system or application configurations and processes, implementing, debugging and reverse-engineering serial protocols.

Full Specifications. What's new in version 3. Menus, hot-keys, or toolbar buttons can be used to clear the window, save the monitored data to a file, search output, change the window font, and more. The on-line help describes all of Portmon's features. For read and write requests Portmon displays the first several dozen bytes of the buffer, using '. The Portmon GUI is responsible for identifying serial and parallel ports.

These keys contain the mappings between serial and parallel port device names and the Winaccessible names. When you select a port to monitor, Portmon sends a request to its device driver that includes the NT name e. The driver uses standard filtering APIs to attach its own filter device object to the target device object. First, it uses ZwCreateFile to open the target device. Then it translates the handle it receives back from ZwCreateFile to a device object pointer.

After creating its own filter device object that matches the characteristics of the target, the driver calls IoAttachDeviceByPointer to establish the filter. It may capture serial port traffic which flows via Com ports created by our Free Virtual Serial Ports.

It supports monitoring of exchanged serial data from external devices connected to the PC via USB to Serial converters.

If you are looking for non-intrusive software-based serial port monitoring solution to view serial protocol packets, this Free Serial Port Analyser is exactly what you need.

This COM port monitoring tool requires no additional hardware and allows you to facilitate serial application development, debug protocol errors, view and test device failures.