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## 23. Other Sources of Information

## 23.1 Books

1. Axleson, Jan: Serial Port Complete, Lakeview Research, Madison, WI, 1998.
2. Black, Uyless D.: Physical Layer Interfaces & Protocols, IEEE Computer Society Press, Los Alamitos, CA, 1996.
3. Campbell, Joe: The RS-232 Solution, 2nd ed., Sybex, 1982.
4. Campbell, Joe: C Programmer's Guide to Serial Communications, 2nd ed., Unknown Publisher, 1993.
5. Levine, Donald: POSIX Programmer's Guide, O'Reilly, 1991.
6. Nelson, Mark: Serial Communications Developer's Guide, 2nd ed., Hungry Minds, 2000.
7. Putnam, Byron W.: RS-232 Simplified, Prentice Hall, 1987.
8. Seyer, Martin D.: RS-232 Made Easy, 2nd ed., Prentice Hall, 1991.
9. Stevens, Richard W.: Advanced Programming in the UNIX Environment, (ISBN 0-201-56317-7; Addison-Wesley)
10. Tischert, Michael & Bruno Jennrich: PC Intern, Abacus 1996. Chapter 7: Serial Ports

Notes re books:

1. "... Complete" has hardware details (including register) but the programming aspect is Window oriented.
2. "Physical Layer ..." covers much more than just EIA-232.

## 23.2 Serial Software

If it's not available in your Linux distribution try:
Serial Software for Linux software for the serial ports including getty and port monitors.
Serial Communications for communication programs.

- `irqtune` will give serial port interrupts higher priority to improve performance. Using `hdparm` for hard-disk tuning may help some more.
- `modemstat` and `statserial` show the current state of various modem control lines. See Serial Monitoring/Diagnostics

## 23.3 Related Linux Documents

- man pages for: `setserial` and `stty`
- Low-Level Terminal Interface part of "GNU C Library Reference manual" (in libc (or glibc) docs package). It covers the detailed meaning of "stty" commands, etc.
- Modem-HOWTO: modems on the serial port
- PPP-HOWTO: help with PPP (using a modem on the serial port)
- Printing-HOWTO: for setting up a serial printer
- Serial-Programming-HOWTO: for some aspects of serial-port programming
- Text-Terminal-HOWTO: how they work and how to install and configure
- UPS-HOWTO: setting up UPS sensors connected to your serial port
- UUCP-HOWTO: for information on setting up UUCP

## 23.4 Usenet newsgroups:

- comp.os.linux.answers
- comp.os.linux.hardware: Hardware compatibility with the Linux operating system.
- comp.os.linux.networking: Networking and communications under Linux.
- comp.os.linux.setup: Linux installation and system administration.

## 23.5 Serial Mailing List

The Linux serial mailing list. To join, send email to `majordomo@vger.kernel.org`, with ```subscribe linux-serial`'' in the message body. If you send ```help`'' in the message body, you get a help message. The server also serves many other Linux lists. Send the ```lists`'' command for a list of mailing lists.

## 23.6 Internet

- Linux Serial Driver home page Includes info about PCI support.
- Serial-Programming-HOWTO (not yet available from the Linux Documentation Project). It's now on my website: http://www.lafn.org/~dave/linux/Serial-Programming-HOWTO.txt See also: Serial-Programming-HOWTO by Peter Baumann
- Terminal IO by Vern Hoxie Termios man page revision by Vern Hoxie
- A white paper discussing serial communications and multiport serial boards was available from Cyclades at `http://www.cyclades.com`.
- Serial and UART Tutorial (FreeBSD)

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