Sponsored Content
Operating Systems Linux Red Hat Serial Port Setting Automatically changes Post 302963113 by Anjan Ganguly on Thursday 24th of December 2015 02:16:30 AM
Old 12-24-2015
I have detected a process which is resetting the serial port settings.
But not able to understand why it is happening.It is a custom application which is resetting the baud rate,
I have another replica server of the same.But I am not facing this kind of problem.
Can some body help me out in this regard.
 

10 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 (0 Replies)
Discussion started by: viswanath
0 Replies

2. UNIX for Dummies Questions & Answers

serial port configuration

I am having trouble with a device connected through a serial port on my sun workstation ( I am running solaris 7). The seriel device works on an identical workstation running the same o/s version but when I move it to the initial workstation it doesn't work. I am using an rs232 serial cable and... (1 Reply)
Discussion started by: Henrik
1 Replies

3. Programming

Telling apart serial from // port

I'm writing a journal_write() function and I want it to: - be a possible drop in replacement for write() - write entries to the journal ;-) Could be a regular file (journal.txt), a serial printer or a // printer. - handle printer status if needed. fstat() tells weather or not we're dealing with... (2 Replies)
Discussion started by: starless
2 Replies

4. Linux

urgent......Serial port

I think my serial port(on board) is not working ...... because when I am running same code on two machines its working good....but when my system comes into picture ....it doesnt show any output comming from serial port.......... can anybody tell me how to configure my serial port.........or to... (16 Replies)
Discussion started by: arunchaudhary19
16 Replies

5. Programming

Programming serial port

Hello! Can someone advice me which method I will use if I want to communicate with device via RS232 serial port with this requirements: 1. Serial port is opened in non-canonical mode. 2. All the time I need to check is there something to read. 3. If I have to write something I need to write it... (6 Replies)
Discussion started by: jvrlic
6 Replies

6. 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... (0 Replies)
Discussion started by: charlie.arya
0 Replies

7. 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... (3 Replies)
Discussion started by: bobby320
3 Replies

8. Web Development

Setup Serial Port

I need to set a serial port to 9600 7E1. How do I accomplish this? I've tried every combination, with no luck. (6 Replies)
Discussion started by: Meow613
6 Replies

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... (5 Replies)
Discussion started by: joboy
5 Replies

10. Red Hat

Setting serial port configuration

I have 1 serial port (9 Pin) attached with my Linux server.If I give $dmesg | grep tty , it provides me the following. ttyS0 and ttyS1. I have 1 COM port with my server mother board. I have 1 customized application that requires this COM port to be used. The parameter to be set for COM port... (4 Replies)
Discussion started by: Anjan Ganguly
4 Replies
DIO_TCSETATTR(3)							 1							  DIO_TCSETATTR(3)

dio_tcsetattr - Sets terminal attributes and baud rate for a serial port

SYNOPSIS
bool dio_tcsetattr (resource $fd, array $options) DESCRIPTION
dio_tcsetattr(3) sets the terminal attributes and baud rate of the open $fd. PARAMETERS
o $fd - The file descriptor returned by dio_open(3). o $options - The currently available options are: o 'baud' - baud rate of the port - can be 38400,19200,9600,4800,2400,1800, 1200,600,300,200,150,134,110,75 or 50, default value is 9600. o 'bits' - data bits - can be 8,7,6 or 5. Default value is 8. o 'stop' - stop bits - can be 1 or 2. Default value is 1. o 'parity' - can be 0,1 or 2. Default value is 0. RETURN VALUES
No value is returned. EXAMPLES
Example #1 Setting the baud rate on a serial port <?php $fd = dio_open('/dev/ttyS0', O_RDWR | O_NOCTTY | O_NONBLOCK); dio_fcntl($fd, F_SETFL, O_SYNC); dio_tcsetattr($fd, array( 'baud' => 9600, 'bits' => 8, 'stop' => 1, 'parity' => 0 )); while (1) { $data = dio_read($fd, 256); if ($data) { echo $data; } } ?> NOTES
Note This function is not implemented on Windows platforms. PHP Documentation Group DIO_TCSETATTR(3)
All times are GMT -4. The time now is 01:03 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy