QextSerialPort provides an interface to old fashioned serial ports for Qt-based applications. It currently supports Mac OS X, Windows, Linux, FreeBSD.

Note - as of May 2009, this is the new location of the project. The sourceforge project is no longer active.

Resources

Trolltech

• Qt 4.5: QIODevice Class Reference
• Writing a Custom I/O Device
• Qt 3.3: QIODevice Class Reference

MSDN

• Communications Resources
• About Communications Resources
• Using Communications Resources
• Communications Functions
• Communications Structures

TLDP

• Serial HOWTO
• Serial Programming HOWTO

Other

• Serial Programming Guide for POSIX Operating Systems