reading from and writing to serial port Post: 302563465

9 More Discussions You Might Find Interesting

1. Programming

serial port reading

Hai there, Can any one provide me with a ansi c source code for opening com1 or com2 and read data. The port is connected to another serial communication device on rs232 port. The o/s is Sco Unix 5.0.6 Matter urgent Viswanath

2. Solaris

Serial port problem

I am working with solaris 9 sparc and I want to connect physical device in serial port but when I am connecting it,It is showing the error window saying-- So can any1 tell me the reason or is there any package I have to add to work with serial port???

3. Programming

How to tell if a string to serial port has been sent

I have a need to determine when a string has been completely sent via a serial port from a standard 'C' application. The code is as follows: SerialPort_Send = open (pPortString, O_WRONLY | O_NOCTTY | O_NONBLOCK); write (SerialPort_Send, pCommandString, strlen (pCommandString)); ...

4. OS X (Apple)

Serial port parameters

Hello, I am trying to use a rs232 device through a USB serial port on my MacBook pro laptop. I think the device needs the communication parameters to be 9600 n 8 1 my question is does anyone know what the default communication parameters are for mac os x 10.5.7 unix? And if the default...

5. Shell Programming and Scripting

Need help with serial port

Hi, I have a external board connected to my serial port. I need to execute "shutdown -r now" command when system boot up. When system boots up it requires a username ans password. Then I need to run my command. I can use rc script but that is rebooting system before it asks for username and...

6. Solaris

How to enable Serial port on ILOM, when Network Port is enabled in parallel

Hi Everyone, In my environment, I have few T5220. On the iLOM Management Card, I have both Network and Serial port are cabled, I don't have any issues while I try to connect using Network Management port, but when I try to connect the serial port for the same server which is actually connected...

7. Debian

Reading data from a serial port

Dear List - I am trying to capture data from a serial port and write it to a file. /var/www$ cat /dev/ttyS0 > scale_value.html cat: /dev/ttyS0: Device or resource busy /var/www# cat /proc/tty/driver/serial serinfo:1.0 driver revision: 0: uart:16550A port:000003F8 irq:4 tx:90...

8. Web Development

Writing to a Serial Port

I am trying to write to a serial port and capture the reponse in a file - adduser ethan dialout The user `ethan' is already a member of `dialout' root@meow:/home/ethan# ls -l /dev/ttyS0 crw-rw-r-- 1 ethan dialout 4, 64 Oct 7 20:55 /dev/ttyS0 $fh1 = fopen("/dev/ttyS0", "w+");...

9. Solaris

Cabling and adapters to communicate to service processor serial port from Windows PC with USB port.

Hello, I have an unloaded T5140 machine and want to access the ILOM for the first time and subsequently the network port after that., and then load Solaris 10 the final January 2011 build. The first part is what confuses me -the cabling. I am coming from a Windows machine (w/appropriate...

LEARN ABOUT DEBIAN

ldp

LDP(7)							 Miscellaneous Information Manual						    LDP(7)

NAME

       LDP - Intro to the Linux Documentation Project, with help, guides and documents

SYNOPSIS

       The  Linux  Documentation Project (LDP) provides a variety of free documentation resources including guides, FAQs, HOWTOs, and man-pages to
       the Linux community.

AUTHORS

       The various documents in the LDP archives are maintained by individual authors, and are listed in the beginning of each HOWTO.  If you have
       any questions or inputs to a document we encourage you to contact the authors directly.

WEB PAGES

       The LDP has its own dedicated web site as do many of the various translations projects which are linked from the main LDP web site at:

	      http://www.tldp.org/

MAN PAGES

       A web page with status information for manual pages and translations is found at:

	      http://www.win.tue.nl/~aeb/linux/man/

MAILING LISTS

       LDP has a number of mailing lists, such as

       <announce@en.tlpd.org>
	      Announcements from the LDP project

       <discuss@en.tldp.org>
	      General discussion on the LDP project

       <docbook@en.tldp.org>
	      Questions about the use of DocBook

       For subscription information, see the website.

       If  you	are interested in DocBook beyond the simple markup of your LDP document, you may want to consider joining one of the OASIS DocBook
       mailing lists.  Please see http://docbook.org/mailinglist/index.html for more information.

FILES

       Most distributions include the HOWTOs and mini-HOWTOs in the installation
       /usr/doc/		   (old place for documentation)
       /usr/share/doc/		   (new place for documentation)
       /usr/share/doc/HOWTO/	   (HOWTO files)
       /usr/share/doc/HOWTO/mini/  (mini-HOWTO files)

SEE ALSO

       info(1), man(1), xman(1x)

       info pages as read with emacs(1) or info(1)

LDP
								    2001-11-15								    LDP(7)