Sometimes a serial transfer can be a RPITA...
There is usually a buffer of _at_least_ 256 bytes to fill first, so........
........try this sequence of events as a starter test mode from root TO assume a 3 wire system only:-
(RTS and CTS should be ignored using the below.)
Hope this works for you...
Hi every body, i have the following problem :
I need to read incoming data from a serial port, this port has connected a weigth device to it that send the weigth and i need to read this data to my aplication, i had this problem in Window Enviroment and i resolve with a "C" routine, but in Unix... (1 Reply)
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)
dear sir,
pls. can you help me ? , my os is unix sco 5.0.4 and ,server dat derive (1,4gb)
not working, now i want to transfer my server data in other machine (unix/other possible) by serial port/other port comminication.
thanks
pankaj raval (2 Replies)
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)
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)
hello all,
please any one can provide me the shell script to write data to /dev/ttyS1
and read responce from /dev/ttyS1 and compare the responce to some string ..
thnxx
---------- Post updated at 03:35 PM ---------- Previous update was at 11:46 AM ----------
any body help me..
how do i... (1 Reply)
hi, I've a problem on my C/C++ program with Posix Library.
I have to read data from the serial but I have incorrect data, in fact I get a bunch of zeros:
"2953.3174, 2785.2126, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0 , 0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ,... (24 Replies)
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
LEARN ABOUT PHP
dio_tcsetattr
DIO_TCSETATTR(3) 1 DIO_TCSETATTR(3)dio_tcsetattr - Sets terminal attributes and baud rate for a serial portSYNOPSIS
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)