Sponsored Content
Full Discussion: Writing to a Serial Port
Top Forums Web Development Writing to a Serial Port Post 302921713 by neutronscott on Sunday 19th of October 2014 09:08:19 PM
Old 10-19-2014
Is that a yes?

I looked at some weight protocols and you may need to send \r:

Code:
$ printf '\rW\n' >/dev/ttyS0
$ cat /dev/ttyS0

You should see a weight then. If so, and your permissions are correct, your PHP may work using \rW\n
 

10 More Discussions You Might Find Interesting

1. 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

2. Solaris

Serial port not found

Hi, I am working with solaris 9,SUN-Blade-100 and I want to communicate with the Serial port.To check whether the port is working or not.I write code and when I execute the file,then I got the output-- According to this,serial port is not found.can anyone please tell me how to configure the... (1 Reply)
Discussion started by: smartgupta
1 Replies

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)); ... (2 Replies)
Discussion started by: ExDes
2 Replies

4. AIX

Serial port in AIX

Hi, How can i configure my modem in AIX thru serial port (sa0-->tty0) I have two port serial card configured as sa0 I created tty1 which port is tty0 and which port is tty1 how can i know?? (1 Reply)
Discussion started by: pchangba
1 Replies

5. UNIX for Dummies Questions & Answers

Missing serial port

A neighbour's Ubuntu 10.04 machine has five serial ports, one on the motherboard and four on a PCI card. However, only four cards are showing: # dmesg | grep tty console enabled serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A 00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A ... (2 Replies)
Discussion started by: dotancohen
2 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. Shell Programming and Scripting

reading from and writing to serial port

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)
Discussion started by: yashwantkumar
1 Replies

9. 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

10. 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
PRINTER_CREATE_FONT(3)							 1						    PRINTER_CREATE_FONT(3)

printer_create_font - Create a new font

SYNOPSIS
resource printer_create_font (string $face, int $height, int $width, int $font_weight, bool $italic, bool $underline, bool $strike- out, int $orientation) DESCRIPTION
The function creates a new font and returns a handle to it. A font is used to draw text. For an example see printer_select_font(3). PARAMETERS
o $face -$face must be a string specifying the font face. o $height -$height specifies the font height. o $width -$width specifies the font width. o $font_weight - The $font_weight specifies the font weight (400 is normal), and can be one of the following predefined constants. o PRINTER_FW_THIN: sets the font weight to thin (100). o PRINTER_FW_ULTRALIGHT: sets the font weight to ultra light (200). o PRINTER_FW_LIGHT: sets the font weight to light (300). o PRINTER_FW_NORMAL: sets the font weight to normal (400). o PRINTER_FW_MEDIUM: sets the font weight to medium (500). o PRINTER_FW_BOLD: sets the font weight to bold (700). o PRINTER_FW_ULTRABOLD: sets the font weight to ultra bold (800). o PRINTER_FW_HEAVY: sets the font weight to heavy (900). o $italic -$italic can be TRUE or FALSE, and sets whether the font should be italic. o $underline -$underline can be TRUE or FALSE, and sets whether the font should be underlined. o $strikeout -$strikeout can be TRUE or FALSE, and sets whether the font should be stroked out. o $orientaton -$orientation specifies a rotation. RETURN VALUES
Returns a font handle on success or FALSE on error. PHP Documentation Group PRINTER_CREATE_FONT(3)
All times are GMT -4. The time now is 01:53 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy