Serial Communication over RTP/CDP by Finley Breese
Use Case of a Control Data Profile for the Real-time Transport Protocol

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Synopsis

- Protocol and Topology Considerations
- Linux Reference Implementation
- Microcontroller Reference Implementation
- Virtual COM Port Concept for MS Win

This pamphlet shares the practical experience with a simple, yet versatile
data aquisition and remote control topology using the Real-time Transport Protocol
for IP-based, soft real-time machine-to-machine communication.

A Control Data Profile for RTP is discussed along with reference applications of
RTP/CDP for bridging serial local bus communication over the Internet Protocol.
Furthermore, in-depth implementational details are provided for an exemplary
Linux userspace RTP/CDP software as well as for a functional stack and
state machine of a RTP/CDP-to-RS232 adapter using an 8-bit microcontroller.

On non-Linux platforms, RTP/CDP sessions can be interfaced by virtual COM ports.
This concept is discussed in detail and may be combined with the beforementioned
adapters to solve the problem of missing physical COM ports in recent computers.
 

About Finley Breese

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Published April 19, 2012 by Books on Demand. 52 pages
Genres: Computers & Technology.
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