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6
votes
1answer
298 views

Attaching USB-Serial device with custom PID to ttyUSB0 on embedded

I'm attempting to get an FTDI USB-Serial device with a custom PID to automatically (or even manually) attach to ttyUSB%n, without much success. The device's normal VID/PID is 0403/6001. When ...
2
votes
1answer
1k views

Unable to receive data from /dev/ttyACM0 device [SOLVED]

Description: Using USB based CAN device connected on AR9350 mips processor based Atheros reference board with linux kernel 2.6.32.61. Which is coming up as /dev/ttyACM0 device. In which Able to ...
1
vote
1answer
2k views

How to send AT commands to a modem in Linux?

In Linux (Ubuntu) I am trying to send AT commands to a modem at /dev/ttyACM0. I tried to do it as: sudo socat - /dev/ttyACM0 but when typing anything I just get a line repeating this command (I ...
0
votes
1answer
48 views

Printing on serial printer via cups

I'm trying to set up my serial printer with cups, but I can't see any serial port in cups config page nor via lpinfo -v. I have serial port at /dev/ttyAMA0. I was trying to set proper permissions for ...
0
votes
1answer
47 views

Monitor com port with strace

I have done small application in Java that writes to com port two strings -'dddd' and 'ffff'. I decided to look how it writes with thelp of strace -s9999 -o serialtrace.log -eread,write,ioctl And I ...
2
votes
0answers
104 views

Sun type 5 keyboard via serial port replicator

I'm running Ubuntu 12.04 on an HP G60 laptop with a Targus serial port replicator to USB and a custom cable between the keyboard and the replicator I ran modprobe sunkbd. Nothing works for the Type ...
1
vote
0answers
8 views

Cygwin serial tty device for high-numbered COM ports

My hardware enumerates as COM125 on the device manager (CDC-ACM class). But, I can't find it under /dev/tty* listing. Does cygwin have a limitation on CDC-ACM class of com ports or numbers greater ...
1
vote
0answers
567 views

Connecting to a serial port with VMWare ESXi and Ubuntu

Using VMWare ESXi 5.0.0, having a guest OS Ubuntu 12.04.3, upgraded to the date 05 january 2014. I've added "Serial port 1" to the Ubuntu 12.04 guest OS (let's call it "MyUbuntuPC"). Serial port 1 is ...
1
vote
0answers
72 views

Kicking a process from a USB-Serial port

I have a application which is using the USB-serial port. Occasionally on shutdown the port cannot be opened by another instance of the program, and up until now the only way I know of the program ...
1
vote
0answers
114 views

Serial Communication on DD-WRT stty config not sticking

I am attempting to control a serial device (in this case a projector) using a Fonera router with DD-WRT on it. I've got the serial port on the fonera wired through a level shifter and then into my ...
1
vote
0answers
350 views

Setting up tty ports on Beaglebone Black with Angstrom linux

I'm using a Beaglebone Black running the Angstrom v2012.12 build that came pre-loaded. I want to be able to connect another device to a serial port via the UART connections on the GPIO headers. The ...
1
vote
0answers
176 views

Where are the logs for the serial port (power save modes, specifically)

I'm running a system with Ubuntu 10.10 (pretty old, I know, but it has to be that one), with all its packages updated to the latest version supported (the distribution is not supported anymore so, to ...
0
votes
0answers
28 views

cat echoes to serial port

Connecting my Windows PC to a Linux system (Wheezy) via the serial port (RS232) basically works except one problem when sending a message from the the PC terminal the Linux system. The reception of ...
0
votes
0answers
16 views

Why can't I connect to my Linux bluetooth serial port?

I have a USB bluetooth dongle on a Linux 3.12.5 ARM system. I've been attempting to make a bluetooth serial connection from my android phone to the USB dongle on Linux. I've referenced this question ...
0
votes
0answers
12 views

Can slattach control a serial WiFi device?

I have a Wi-Fi device which is driven by AT commands over a USB-Serial connection. I am able to successfully make a serial connection to the device and set the SSID, PSK, obtain an IP address, and do ...
0
votes
0answers
22 views

HP-UX itanium cannot log in or connect

I just had this problem where suddenly I cannot ssh into my HP-UX itanium, but still can ping. Few hours before that, I was still able to so. I tried to force reboot (Pressing the power button). Then, ...
0
votes
0answers
32 views

What's up with “Error in lockf()” just for one particular user?

We're running a Java manufacturing/equipment control application on Solaris. Equipment control is done via the serial port on the SunRay terminal at the user station. The interesting thing is that ...
0
votes
0answers
58 views

rs232 to usb not working

I also asked this question on AskUbuntu but there nobody comments on it 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, ...
0
votes
0answers
85 views

Serial Over Lan redirection stops at OS boot

I'm trying to create a monitoring system for a remote machine using an IPMI Serial Over Lan (SOL) console. The remote OS is RHEL 6, the mobo manufacturer is Supermicro. I've successfully enabled SOL ...
0
votes
0answers
155 views

lrzsz doesn't working in my Mac OS X

When I was used secureCRT in Windows, I often used sz and rz to transfer files between my linux server and client machine. But I can't use that way in iterm2 in MacOS X. lrzsz package has installed ...
0
votes
0answers
271 views

Trouble communicating with FTDI FT245RL on ttyUSB0. works fine on Win7x64

I purchased a Sainsmart 4 channel USB relay board which seems to be based on a FTDI FT245RL chip. I should be easy enough to use. when you plug it in it appears as a serial port (VCP). You send it ...