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1answer
6 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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0answers
18 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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0answers
14 views

Arduino serial communication error [closed]

I am working on my final year project these days which is Arduino based hexapod. Everything was going perfect till last night but today when i tried to check my code its showing me these errors and i ...
0
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1answer
33 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
41 views

Why did the BlueTooth connection via HC 05 so unstable under Ubuntu? [closed]

I was trying to send the data from Arduino via HC05 to my laptop under Ubuntu 13.04\13.10\14.04. The data below was obtained using gtkTerm: 23456767890 123456767890 3490 127890 5678956789567890 ...
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0answers
19 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 ...
1
vote
1answer
124 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 ...
1
vote
1answer
42 views

Setting up a virtual COM port

Finally my Dell xps 13 has arrived. I was aware of this shortcoming when I bought it, however, now I wish to resolve it. My question. In ubuntu 12.04 can I establish a VCP so that I'm able to ...
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0answers
59 views

How to connect a raw serial terminal to a bluetooth connection without sudo?

How to I connect a raw serial terminal to a bluetooth connection? Brian's answer in the above link works but I need to use sudo to read or write to the serial port. How do I make it accessible ...
0
votes
1answer
117 views

Arduino serial port not found

I'm on Xububtu 13.10 64 bit. I installed Arduino IDE from the software. I have Arduino uno board. when I try to execute any code, I get this error Is there a driver missing?
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0answers
108 views

rs232 to usb not working

I have a konig rs232 serial to usb adapter (no FTDI chip), but when I try to connect to a cisco switch/router (via Putty, screen, minicom....), sometimes it just shows nothing (But it is connected ...
1
vote
1answer
89 views

Standard open /dev/ttyS0 [duplicate]

Every time i reboot my laptop i need to open terminal and type sudo chmod 777 /dev/ttyS0to use the serial port. For configuring Cisco routers I want /dev/ttyS0 to be open when i boot my laptop. ...
0
votes
1answer
53 views

USB and Microcontroller communication problem

I am new to the Linux world and am currently using Ubuntu 12.04. It is running in a Windows partition. I have developed a python program that reads in serial data from a micro-controller over the USB ...
2
votes
1answer
271 views

how to write characters to serial port

I have an ancient serial spectrometer which only runs on win9x. I want to convert to a Linux system, but the existing software is proprietary and wont work. I was able to access a console internally ...
1
vote
2answers
377 views

USB-to-Serial device, why no /dev entry?

I initially asked this question on SU but it is so specific to Ubuntu that I move it here. I installed an 433Mhz transceiver on my Ubuntu system (3.8.0-35). It is an USB-to-Serial kind of device and ...
1
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0answers
58 views

Monitor sleep mode

For my main monitor I use an LG LCD TV but it cant turn it self off when there is no signal(computer falls asleep). It has an RS-232 port for control and I figured out how to turn it off and on with ...
0
votes
1answer
492 views

Find which TTY device connected over USB

I am doing android development. The adb ppp command to switch back to the USB cable instead of tcp/ip says it needs the tty as a parameter. I have googled for this and found lots of references to ...
2
votes
1answer
378 views

How can I get communication with my Arduino Uno over the serial port to work?

I just got an Arduino starter kit and want to start learning more about working with electronics. But I have a problem, the Arduino Tools → Serial Port menu item is greyed out and I do not know how ...
1
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2answers
1k views

Problems establishing serial connection with beagle bone black on ttyUSB0

I have tried using minicom, Putty, screen and cKermit to no avail. It looks as if the connection is intermittent from the output of dmesg | grep tty. [1627865.078080] usb 5-2: Product: AM335x USB ...
2
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0answers
73 views

Looking at serial port traffic

I'm a Windoze guy so I'm kinda lost here. Usually when I want to see what's happening on a serial port IE com 1, I fire up PuTTY and point it at Com 1 and I'm done. In Linux I don't have PuTTY. ...
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0answers
49 views

MODBUS Simulator / VMWare

I am new on this forum and not a very experienced Ubuntu user. Let's say more like a homeuser. I am en automation engineer an i use software installed on virtual machines to program industrial PLC's. ...
0
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0answers
240 views

USB Parallel (LPT) and Serial (COM) emulation

Well, I'm trying to use a USB printer with a Windows program in Wine that uses only Parallel and serial ports to print. So I have to emulate parallel or serial ports to use the USB printer. I have it ...
2
votes
1answer
623 views

How to permanently change permissions for /dev/ttyS0

My system is Ubuntu 13.04 and works fine, but I had to installed VirtuaBox to guest Windows XP which is essential tu run an application that dialogues with an alarm set by a USB-to-Serial adapter. ...
0
votes
1answer
1k views

Sending HEX with CuteCom

I'm working a lot with CuteCom at the moment. But I could not yet find out how to send hex to the serial port. As an example I would like to send the character 0xFF. In the description on the ...
0
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0answers
117 views

serial port not sending keystrokes

I have been using putty for serial communication to a target for quite some time. But today, all the previous settings intact, i am not able to send key strokes to the target from ubuntu 13.04. Just ...
0
votes
1answer
144 views

How to dump raw serial data to disk

How can I record all data coming out of a serial port straight to a file on disk? I have tried cat and cp, but these appear to be buffered, and I am trying to log a small amount of data, so nothing ...
2
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2answers
555 views

Reading from multiple serial ports in Ubuntu

I´m trying to read and record data from two USBs that are connected to separate Arduinos and they are collecting different measurements. I´m having difficulties even reading from a single serial ...
1
vote
1answer
1k views

USB to Serial adapter doesn't works

I have a USB to serial adapter. It works OK with my desktop computer, but no on my laptop. My desktop PC is a generic computer (Athlon 64 X2 6000+ on board MSI K9AGM, 6 USB 2.0 ports, no USB 3.0 ...
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0answers
148 views

serial port can receive but won't transmit [closed]

I am running a copy putty on a Windows 7 and a Linux box. I have a 3rd Linux box set up where it displays the console in text mode over the serial port. I can use putty on the windows box to the ...
2
votes
1answer
125 views

how to copy updates from 1 linux box to another using cli remote serial and usb drive

I have 2 old pc's that I'm going to remote into using serial port/tcp. The first one is a 32-bit machine that I remoted into serially and couldn't get it to connect to the internet for various ...
1
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0answers
1k views

On configuration of serial ports on wine

I have wine 1.6 on Ubuntu 12.04 and I have tried to get PINReader.exe on http://www.eobd2.com/upload/pro/renault-pin-reader-v312.rar to detect serial ports (COM1) automatically. I have created ...
0
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0answers
82 views

Serial ports dont work on A-open DE3100 using F81865 super i/o chip

Using putty I was able to get the serial ports to work with a RX/TX loopback on the A-Open DE2700 I was originally using this box is no longer available so I changed to the DE3100. The serial ports ...
1
vote
1answer
205 views

Can't connect my USB device

I have a steno machine that I'm trying to connect to my computer with free steno software I downloaded called Plover... It's connected through a serial cable and usb-to-serial converter, and my ...
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0answers
69 views

serial to usb connector is working only for the first time!

for the first time i connected my serial device using serial to usb connector i could able to read the device. sudo cat /dev/serial/by-id/usb-Prolific_Technology_Inc._USB-Serial_Controller-if00-port0 ...
0
votes
2answers
806 views

Using Ubuntu with a dial-up connection

Is it possible to install Ubuntu on a machine with only a dial-up connection? That is, does the Ubuntu install CD come with everything needed to set up an Internet connection using a dial-up modem (I ...
0
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0answers
59 views

Problem with Serial. ttyS*

i've a problem with the serial port of my pc. When i try to write to a serial port(ttyS0,ttyS1) using minicom the signal doesn't seem to get out but if i try to write on the port using the ...
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0answers
99 views

serial port is read randomly

I am trying to read the serial port by the following command after opening the device. read(fd,&UBX_buffer,1); for it was working fine but for some reason it stopped working and while I ...
1
vote
2answers
88 views

Why won't COM2 work?

What is the command for turning COM2 (Header Connector) on. Motherboard is a Intel D2500HN with one DB9 (COM1) and a header connector for COM2. We were using the Intel D425KT and both COM ports worked ...
1
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0answers
227 views

irq set in Bios is not the same as the irq set at startup

I installed Elo Serial TouchScreen as /ttyS1 (as presented below). Besides, two other serial cables connect to ttyS0 and ttyS3. Here is the output of dmesg | grep -i ttyS* [ 0.000000] console ...
2
votes
2answers
197 views

activation/configuration of ttys0 - ttys3

I am an amateur radio operator and love digital radio communications. I need to get my com ports functional (ttys0, s1, s2 and s3). I have been searching for a way to activate/configure these ports. ...
0
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0answers
76 views

Receiving a forwarded serial port

I have a device that is sending data over a vitual serial port and I'm trying to figure out how to receive that data. I tried running this: socat TCP:192.168.0.10:520 /dev/ttyUSB0,raw,echo=1,crnl ...
5
votes
1answer
748 views

How do I setup multiple minicom / Cisco console server sessions without too much hassle?

I'm working on my CCNA and have 4 switches & 4 routers which make up my main lab. I bought two quad port USB to Serial (1 USB to 4 Serial) Adapters onto the ends of which I've attached 8 Serial ...
0
votes
1answer
237 views

How to forward serial devices' input to X?

We have a barcode scanner used here, which for some reason has to be a serial device. So all its scanning output is sent to /dev/ttyACM0. If I cat /dev/ttyACM0, I could get the strings. Problem now ...
0
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0answers
315 views

linux serial port configuration

I need to connect an Intel Series Panel PC to two DB9 serial connectors. There are 4 COMs and 4 USB ports, ttyS1 is dedicated to Elo TouchScreen serial port,(manually installed, it is serial). I can ...
2
votes
0answers
510 views

3rd and 4th serial port not configured on startup

Ubuntu 12.04.2 LTS 3.2.0-39-generic-pae Hi there, the PC I'm working on has 4 serial ports. ttyS0 and ttyS1 function properly straight from startup, ttyS2 and ttyS3 do not. here is the relevant ...
2
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0answers
2k views

Serial console configuration

So I have an Ubuntu server (12.10) running on Shuttle XS36V. This computer is totaly headless (just connected on the TV while installing). Now, I'm trying to use the serial port to connect to my box ...
2
votes
1answer
8k views

cannot open /dev/ttyS0: Permission denied, but in dialout group

I am trying to use my 9 pin serial port to connect my automotive ECU to my computer (megasquirt controller). I've done this before with Ubuntu 10.04 but now that I've just upgraded to 12.04 it simply ...
3
votes
2answers
18k views

Serial port terminal > Cannot open /dev/ttyS0: Permission denied

I had Windows XP on this box and it failed. Thinking it was corrupted OS I tried to reinstall, and it failed. But then I tried to install Ubuntu, and I could not run it from the USB or from the HD. ...
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0answers
230 views

How to get terminal input from keyboard, but output to serial port?

The ARM board computer I am currently working on does not have a working framebuffer terminal due to a buggy kernel. I have managed to follow the instructions at ...
2
votes
1answer
254 views

What other things can I use my dumb terminal for? [closed]

I have a serial dumb terminal. I use a null modem via a serial port to connect it to my Ubuntu computer. It comes in handy when X freezes and the there is no response using the keyboard. If I can ...