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14 views

Resetting the USB modem data port(ATDT port)

Actually i want to do reconnect in USB-Modem - i.e Once pdp session is established with modem using sequence of AT commands (like AT+CGATT,ATDT etc), I am trying to reestablish the connection after ...
0
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0answers
14 views

setserial and Serial port communication not working

I have two computers running ubuntu. I am able to communicate between them using minicom without problem. But if I try to use echo 'hello' > /dev/ttyUSB0 on one computer and cat -v < ...
0
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0answers
22 views

Error thrown while loading gnu.io.RXTXCommDriver

I am trying to run a java program which list all available ports using Eclipse IDE in Ubuntu 14.04. My program is as follows: import gnu.io.CommPortIdentifier; import java.util.Enumeration; public ...
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1answer
17 views

Connecting multiple serial ports

I am trying to communicate serially using bluetooth. I have tried to send a character serially to a program1.c program and it is reading it. I would like to use the same serial port /dev/rfcomm0 so ...
2
votes
1answer
36 views

Setup virtual serial ports (Linux null modem emulator) using tty0tty

I want to setup virtual serial port emulator in Linux. I want the ports to be permanent, so that I can use them every time I restart. I tried using socat for that purpose as in this way, socat -d -d ...
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1answer
13 views

What makes an analog modem pickup an inbound call

I have a series of Modems connected to Ubuntu 12.04 3.2.0-23-generic-pae via a PCI-E card and the system recognizes them as ttyS0, ttyS4, ttyS5, ttyS7 No matter what the serial connection is, ttys4, ...
0
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1answer
71 views

how send at command in minicom or cu

How I can send command to usb/com device? I setup port in minicom to /dev/ttyUSB0 and run sudo minicom after this command I try enter AT command, but get unreadeble symbols in terminal. Добро ...
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0answers
38 views

install driver for pci to serial card of Enter E-2S

Recently i have purchased Enter E-2S pci to serial card and got driver for linux in CD along card. I am not able to install the driver, actually it is giving compilation error. If someone has tried ...
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0answers
80 views

RXTX Library Ubuntu 14.04 Soft link to see the serial port

I have installed the RXTX Java library rxtx-2.1-7-bins-r2 in Ubuntu 14.04 32 bit machine with JDK8. I would like to communicate with Arduino Micro connected to the serial port. But I am not able to ...
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0answers
49 views

networking multiple Beaglebone Black over USB

I'm working on a project where I would like to "daisy-chain" network multiple Beaglebone Black boards from the standard USB port on one to the USB-mini on the next. The problem I'm coming up with ...
0
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1answer
39 views

Serial device not detected by Lubuntu

Serial Wacom Tablet stylus and Serial Wacom Tablet eraser should appear in the xinput list in a Motion LE 1700, however they are missing in Lubuntu 14 (32bit). Is there a way to make Lubuntu discover ...
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0answers
98 views

Cannot get serial port to read input on Ubuntu 14.04

I recently installed a startech PEX1S1P952 serial/parallel adapter card into a machine with Ubuntu 14.04. Output of lspci -vv shows the following on the card: 04:00.1 Serial controller: Oxford ...
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1answer
34 views

Xubuntu service send data over serial port

when i open a serial terminal (i.e. minicom) some data are send automatically from my pc to the device, these data are: AT+GMI ~x�~ ~x�~ I know that by default there is a modem client doing this ...
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0answers
104 views

Using lircd on Ubuntu 14.04

I'm trying to set up lirc 0.9.0 on Ubuntu 14.04. I had it running on an old computer using 12.04. The old system had a /dev/ttyS0 on the motherboard, and used IRQ 3. The new computer has a PCI ...
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0answers
95 views

Connecting ALIX 6F2 through USB serial port, putty displays nothing

Please help me connect ALIX with my laptop through a serial port to usb converter. Has anyone ever tried it? Do suggest if there is some different approach. My OS: UBUNTU 12.04 Using Device : ALIX ...
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0answers
150 views

How to share COM ports from hyper-V

I am trying to enable COM ports from my host machine. I have an Ubuntu 14.10 running on Hyper-V. Host machine is a Windows 8.1 How should I use these pipes? The idea is to connect my Arduino, so ...
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1answer
104 views

FT_Read is not working properly [closed]

I am writing code for serial programming for serial communication between FTDI device and Desktop through XBEE. I am writing command on device for (in example) reading Battery Voltage Current and ...
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0answers
345 views

libusb couldn't open USB device /dev/bus/usb/002/006: Permission denied. libusb requires write access to USB device nodes

I am connecting my FTDI Device with Laptop USB. I was following all the steps given in the link How to build libftdi git under Linux But after installing.. When I was running ./eeprom it is throwing: ...
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2answers
1k views

2 usb ports stopped working

I have HP pavillion g6, running xubuntu 14.04 64 bit. I have 3 usb ports. For some reason, 2 of them stopped working this morning, I have xserver-xorg-input-all installed, followed the instructions ...
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1answer
271 views

Connection Problem with Cutecom Serial Terminal

I am using cutecom for sending serial commands to my FTDI Device, which is connected in /dev/ttyUSB0. But i am unable to connect through Cutecom and input text box is disable. When i am pressing Open ...
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1answer
185 views

CF-30 GPS and Ubuntu 14.04

I recently purchased a Panasonic CF-30 with the built in factory default GPS module. The GPS feature worked perfectly while still running Windows XP, but i switched over to 14.04 and I cant figure out ...
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0answers
92 views

How can I get my serial to usb adapter to work?

I have a Trendnet Tu-s9 usb to rs232 serial adapter, I'm having a problem getting it to link up to my Dell Latitude c640 . I'm able to read it in the terminal with command lsusb, I'm a Linux newbie ...
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0answers
62 views

Samsung tv serial commands with python

I have a Samsung Plasma display that I use a Python script to turn on and off with its serial interface. (ex-link). import time, serial ser = serial.Serial(port='/dev/ttyUSB0', baudrate=9600, ...
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0answers
24 views

Can I use my serial receipt printer as an emergency console?

I recently came into possession of a serial receipt printer and I would like to know if I could use it as an emergency print-out console for the following purposes: Kernel Panic (Stack Traces) Any ...
2
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1answer
176 views

ttyUSB not recognized in ubuntu server

I have a very basic question here I believe. When installed ubuntu (Ubuntu 14.04.1 LTS) and I type the command dmesg | grep tty, it gives me the following output: renato@ubuntu:~$ dmesg | grep tty [ ...
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0answers
181 views

Can't read data through USB serial port, but can send data

I have two computers connected by USB-RS485 serial adapters. On one computer, I type cat > /dev/ttyUSB0 at the prompt, and the other (windows) I run PuTTY on the appropriate COM port. Typing things ...
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0answers
117 views

Enable COM ports

I have a costume built computer in which I added two extra COM ports. But I don't know the exact name they were given (e.g. ttyS32). I actually tested all 32 found ports in my computer, and non seem ...
1
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3answers
352 views

Problems Initiating Serial Port PCI Card

I am running Ubuntu 14.04.1 x64 with 3.16 kernel. My computer has 2 onboard serial ports which work well and 2 serial ports added by a PCI card which work from time to time. That's the card: ...
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0answers
160 views

uport 1150 version problem in ubuntu

I have a uport 1150 and my operating system is that "Linux version 3.11.0-26-generic (buildd@komainu) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #45~precise1-Ubuntu SMP Tue Jul 15 04:02:35 ...
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1answer
264 views

Sending data to port does not seem to be working on Ubuntu Linux?

I am trying to send data to port 2003 I am using tcpflow to listen however i cannot see any data being printed or sent ? Sending Data to port 127.0.0.1 2003 echo hello | nc localhost 2003 or ...
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0answers
29 views

How to get my serial printer to work

I'w tried every tips i have found. I cant get my Star termic printer to work. After my Win server died, i installed a Ubuntu 13.? server with LAMP I have a receipt printer attached to it an here is my ...
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0answers
114 views

the procedure for creating the virtual serial ports and communicate with them in Ubuntu

I'm new in ubuntu. I want to add virtual serial port to my computer. I used this command: sudo socat -d -d PTY: PTY: and I got this answer: 2014/07/01 08:47:09 socat[3901] N PTY is /dev/pts/1 ...
2
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0answers
559 views

Mount usb to serial adapter CANBUS and can-utils ubuntu?

I have this adapter and I'm trying desperately to mount in in Ubuntu so I can use can-utils to monitor the device but I'm failing. I'm trying to communicate with a serial to can-bus adapter in 14.04 ...
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0answers
178 views

driver for a TRENDnet USB-to-Serial adapter for Lubuntu 14.04 LTS?

I'm running Lubuntu 14.04 LTS from a "Live Disc" (USB) and I want to connect a Cisco 1841 router via a USB to Serial Converter (specifically- TRENDnet TU-S9) to my netbook running the Lubuntu 14.04 ...
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0answers
23 views

Ubuntu guest to PC connection over serial cable

I want my pc having windows 7(teraterm installed ) to talk(connect) to my guest VM (ubuntu os 14.04) on another PC. The connection is through an ATEN usb to serial port convertor. Help please!!!!
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0answers
420 views

Serial Ports Not Working

I am having issues getting my console DB9 serial ports to work on an Ubuntu 14.04 LTS machine. I have a Megabyte motherboard, an Intel Pentium processor, and a 2-port DB9 serial card. I am ...
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0answers
97 views

Startech PCI2S550 serial card on shared IRQ

First of all I’m totally new to Linux and have been overwhelmed with all the information on setting it up. So with that please bear with me and my silly questions. I’m trying to install a Startech ...
0
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0answers
103 views

How to configure X - or make it recognize serial mouse?

Installation of 14.04 went OK with a USB mouse, but after that I attached a serial mouse to the single COM port of my rig and Ubuntu did not recognize it. Being a newbie in Linux I wandered by the ...
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0answers
17 views

One thread hinders the other in initializing serial port

I've been struggling for this problem for a long time. I have two peripheral devices A and B that communicate with the software with USB serial ports. B has its own .jar file for finding and ...
0
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0answers
178 views

how to get my serial port working in ubuntu 12.04

I have recently added some hardware (which I am not aware is exactly what) for 2 additional serial ports on my pc. The ports were added my pc my some service support group of my company, So I won't ...
0
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1answer
5k views

PL2303 attached to ttyUSB0 -> Change it to ttyS*?

I want to read the single status lines (txd, dtr, ...) of a PL2303 USB2RS232 converter with statserial. I already attached my PL2303 to the ttyUSB0 port. But to read the data, I need the command ...
0
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0answers
43 views

GPSbabel won't write into file

I'm trying to use gpsbabel to communicate with my Garmin eTrex H (via a RS232 interface) When writing the (unformatted) output to the terminal, it works without problems: gpsbabel -i garmin -f ...
0
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0answers
49 views

All AT Commands failed, only AT is accepted

I have 3G modem, but i can't connect to the internet because it can't send AT commands. A single AT is the only one that is accepted. I tried to send AT commands manually via cutecom, these are the ...
0
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1answer
43 views

Read serial error counters from shell

The TIOCGICOUNT ioctl call can be used to retrieve the interrupt and error counts for a serial port (e.g. how many overruns, parity errors, framing errors). Is there any way to get this information ...
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0answers
142 views

How to Enable Port Persist for a USB to Serial com port

I am followed this guide (http://www.zedboard.org/sites/default/files/documentations/GS-AES-Z7EV-7Z020-G-V7.pdf) for working with a SoC board in windows. I would like to switch to working under Ubuntu ...
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0answers
143 views

Ubuntu 14 + Psion NEO device

this is what my /var/log/syslog tells me when connecting a Psion Neo device using USB: (actually I'm connecting the Psion Neo Cradle PX3001 holding the device) Apr 23 14:46:01 ENVY kernel: [ ...
2
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1answer
193 views

Serial port emulator or simulator

I am running Ubuntu 12.04.2 LTS on a PC with no serial ports. I have a Qt application that needs to connect to a serial device. I have written a simulator for this device as well. I need a way of ...
0
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1answer
960 views

what does this mean “80/tcp filtered http”

Our linux server(ubuntu) stop listing on port 80. this is what i got : PORT STATE SERVICE 22/tcp open ssh 80/tcp filtered http what does this "80/tcp filtered http" means? What ...
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0answers
54 views

How to add serial port in VM to connect to physical network

I have created VM in Ubuntu server host.This VM in-turn has ubuntu operating system installed on it.Now I want to connect this VM to a physical serial port of a device. My issue is :- How can I ...
2
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1answer
1k views

serial-port thermal printer communication

I am trying to establish low level communication with an Epson tm-t88iv thermal printer via shell but I can't figure it out. I'm working on ubuntu 13.10 64 bit with a Dell vostro 1510. I have it ...