i need a usb to rs-232 converter to get into the console port i have an aten uc-232a converter and i have downloaded a .gz file called uplcom.4freebsd.gz i have unpacked it but i do not know what to do from here could some one please help i need to do some practice for the external icnd 2 exam and i have left it to the last minute as per usual.
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I am hoping to be able to get an old serial-touchscreen to work with a usb/serial adapter. I had this touchscreen working some years ago on different hardware. I would like to hook it to the machine I am setting up as a multimedia host with mythtv among other things.
Following the instructions I left behind when I got this to work way back when does not work. See [URL] ....
This info is a work around to get the xserver to see the touchscreen. [URL] ....
I do know that the touchscreen works as I am able to get garbage on the screen as in the first part of my howto. But I have not had any success getting xorg to see it. I wish I had posted a copy of the xorg.conf at the time, but......
There is an issue with the current xserver in testing that I am hoping the next update (in unstable) will fix when it gets pushed to testing. That is that Code: Select all# X -configure fails with a segfault. So I am not able to generate the xorg.conf needed to get it to work. I was going to post a bugreport, that is when I found out there is an update in unstable, so I am waiting for it to get pushed at the moment.
Anyway I am hoping that I can link /dev/ttyUSB0 to /dev/tty0 and get it to work. I would like some kind of guess as to my chances of success before I go to all the work of getting the monitor hooked to the host.
I am using a Sealink PN 2202 USB serial adapter on a linux box (Ubuntu 10.4) running kernel 2.6.32-28-generic. I have written a perl script to simply log the incoming RS232 data (9600 8N2) and it works fine when I start it from a bash shell:
perl /home/pk/PerlCode/RS232_D4_v11.pl
However, I need the computer to boot and start logging after a POR. If I try to use Startup Manager to execute my script everything seems ok but I randomly loose about 20% of the incoming RS232 data. In Startup Manager I use the command
gnome-terminal --title="D4 RS232 Log" --execute bash -c "perl
/home/pk/PerlCode/RS232_D4_v11.pl"
If I close the automatically-started script and restart it from a bash shell, I again will randomly loose about 20% of the incoming RS232 data. It almost seems like I have screwed up the driver by using the Startup Manager. The only way I can get reliable logging again is to remove the script from Startup Manager, then restart the computer and manually launch the perl script. I was thinking that maybe the order in which the driver was loaded and perl script started might be an issue. So I tried a bash script that sleeps for 15seconds, then starts the perl script. Again, I loose random pieces of incoming data when this is initiated by Startup Manager.
Here is some more info:
lsusb
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 004: ID 0c52:2223 Sealevel Systems, Inc.
Bus 002 Device 003: ID 0c52:2213 Sealevel Systems, Inc.
Bus 002 Device 002: ID 03eb:3301 Atmel Corp. at43301 4-Port Hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub .....
sudo cat /proc/tty/driver/usbserial
usbserinfo:1.0 driver:2.0
0: module:ftdi_sio name:"FTDI USB Serial Device" vendor:0c52
product:2213 num_ports:1 port:1 path:usb-0000:00:1d.0-2.1
1: module:ftdi_sio name:"FTDI USB Serial Device" vendor:0c52
product:2223 num_ports:1 port:1 path:usb-0000:00:1d.0-2.2
ls -al /dev/ttyUSB*
crw-rw---- 1 root dialout 188, 0 2011-03-08 09:56 /dev/ttyUSB0
crw-rw---- 1 root dialout 188, 1 2011-03-08 09:56 /dev/ttyUSB1
I am a member of the group dialout.
I though it may have something to do with su vs my ownership of files. If I do a sudo chmod 777 /dev/ttyUSB* then
ls -al /dev/ttyUSB*
crwxrwxrwx 1 root dialout 188, 0 2011-03-08 09:56 /dev/ttyUSB0
crwxrwxrwx 1 root dialout 188, 1 2011-03-08 09:56 /dev/ttyUSB1
However, after rebooting it reverts to
ls -al /dev/ttyUSB*
crw-rw---- 1 root dialout 188, 0 2011-03-08 09:56 /dev/ttyUSB0
crw-rw---- 1 root dialout 188, 1 2011-03-08 09:56 /dev/ttyUSB1
I need a to add a usb serial port adapter. Are they all basically the same? Do I need to find a Linux compatibility list before I go shopping?
View 1 Replies View RelatedIm a very basic Linux/ Centos user. I have Putty installed and a USB to serial adapter. All settings seem to be right as far as speed, etc, but I'm not sure how to list the device to open for the program. The default location it gives is "/dev/ttyS0" Trying to find where the USB is located using the "/sbin/lsusb" command gives me-
Bus 001 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 004 Device 002: ID 0557:2008 ATEN International Co., Ltd UC-232A Serial Port [pl2303]
Bus 004 Device 001: ID 0000:0000
So I think this means that it is on bus 4 correct? So how do I list this for putty to open the device.
I picked up as Dynex usb2serial converter to use with my cisco router/switch. The dongle works fine if plugged into a windows box & puTTy, but I cannot get it to work with Fedora 14. When I try to use cute, mini or command line it tells me it cannot open the connection. Here is the output from lsusb and dmesg. susb output:
[code]....
I have a usb serial adapter and was happily using minicom with it under openSUSE 11.2. I've upgraded to openSUSE 11.3 and I can only use minicom with this serial adapter as root. I had previously had problems writing to /var/lock under openSUSE 11.2 which I worked around by changing the minicom config to use /tmp as its lock file location.
Unfortunately my laptop doesn't have a built in serial port so I can't tell if its a general problem or something specific to the /dev/ttyUSB0 device. This is the output I get when I run minicom with my regular user account. I get the same output whether the lock file location is set to /tmp or /var/lock
Code:minicom usb0 Device /dev/ttyUSB0 lock failed: Permission denied. Before I started tinkering my user belonged to the following groups groups=16(dialout),33(video),100(users) I've since added 5(tty),14(uucp),21(console) but still no joy.
Does an have Mocship MCS9901 adapter in use. I cannot even install driver. Is ti the PC adapter between since this is express card. What to do?.
make[1]: *** [_module_/home/Xx_Xxx/Desktop/MCS9901_Linux/version1.6/starex] Error 2
make[1]: Leaving directory `/usr/src/kernels/2.6.31.12-174.2.3.fc12.i686'
make: *** [default] Error 2
I tried connecting my Debian laptop to a vintage Apple //e using a Super Serial Card on the Apple side and a USB to serial adapter on the laptop side. It kind of works -- I can send data over to the Apple using e.g. echo "foobar" > /dev/ttyUSB0 or via minicom --, but every 20 seconds (quite exactly!) some 4 random characters appear on the Apple's screen (mostly tildes, sometimes a pipe). This does *not* happen when booting the laptop into Debian rescue mode; so I guess it must be some (daemon?) process messing around with the usb serial device in regular intervals.
I tried to disable quite some services, but the problem remains.I don't have any clue how I might catch the evil-doer in the act -- virtually all serial monitors I've so far read about allow only monitoring the interaction of a known program/process with a serial port. But in this case I first have to actually find out which process is talking to the serial port in the first place.
I am using a Prolific pl2303 USB<=>Serial adapter. dmesg reports everything seems ok when I plug it in (see below) but when I open the ttyUSB0 port in minicom, it is always offline and nothing works. Also, minicom reports:
[code]....
If I plug the adapter into a different machine (Windows) everything works fine. The serial port is setup correctly (9600-8-N-1) What can I do to get this working?
usb 5-2: new full speed USB device using uhci_hcd and address 3
usb 5-2: configuration #1 chosen from 1 choice
pl2303 5-2:1.0: pl2303 converter detected
usb 5-2: pl2303 converter now attached to ttyUSB0
usb 5-2: New USB device found, idVendor=067b, idProduct=2303
[Code]....
I installed ubuntu on a relative's computer but on the last moment, before the "restarting now" the screen began to spam this message. After this everytime the system logs on after 3~10 seconds the graphic interface freezes, so i entered the TTY1 before that, but again the message "serial8250 too much work for irq19" began to spam and obviously this is the cause of the problem
info:
pentium dual core
2GB ram
HDD 300GB
ubuntu 10.04 32-bits
what is thiis and how to fix it??
I tried my COM mouse KM-203S on Windows, it works out of the box. Now i want to make it work on linux. But the problem is that mdetect doesn't recognize it, and whatever protocol i select in inputattach, the cursor jumps unpredictably when i move the mouse. How can i get the parameters for this mouse - maybe baudrate, etc.? Or maybe i'm doing something totally wrong?Here's mdetect output (i moved the mouse while mdetect was working) on 300 8N1 mode (set by minicom):
Code:
Found the following devices:
/dev/ttyS1
[code]...
I had a web server running from a Windows 7 computer and recently moved everything to an Ubuntu server. All is set up and running smoothly. I do have one page that actually interfaces with the serial port. The only thing I do with it is to set the DTR pin to "true" which applies +12v to the pin. This activates a relay. It is very basic and simple. After moving everything to Linux, this page will no longer work. I knew this would happen. I know the page had code in it to call out "Com1" which would change to "ttyS0". It also had "set_serDTR(True);" in the code. I can't figure out how to get PHP to control the DTR pin on a Linux serial port.
View 10 Replies View RelatedI configured the serial consol on centos5 as follows
# dmesg |grep tty
Kernel command line: ro root=/dev/VolGroup00/LogVol00 console=tty0 console=ttyS0,9600n8
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A[code]......
But I could not consol Centos server from my labtop (win xp) Is there missing or wrong configurations ?
Label on card: "I-440 PCI 4S1P IO Card"
Code:
# lspci -v
...
[code].....
I add one serical card which is extended to 4 serial ports to my host, but in centos 5.4, only 3 (In my machine, is ttyS1, ttyS2 and ttyS3,ttyS0 is another serial port) of my host can be used, and /dev/ttyS4 doesn't work.
$ sudo cat /dev/ttyS4
cat: /dev/ttyS4: No such device or address
The card info is as follows:
Host> lspci -vvv
03:01.0 Serial controller: Oxford Semiconductor Ltd OX16PCI954 (Quad 16950 UART) function 0 (Uart) (prog-if 06 [16950])
Subsystem: AFAVLAB Technology Inc Unknown device 2150
[code]....
I was using V9 and upgrade to V10 and now my logins in my inittab do not work. I realize that is file structure is outdated so I made individual run files for each of my serial devices under event.d ( such as TX0000 - rc....etc) - all this works but i need to manual type initctl start TX000o to get logon for my serial devices. I would so much like them to automatically start on bootup.
View 3 Replies View RelatedI have a bit of a dilemma. I'm attempting to use a microcontroller to send MIDI messages over a virtual serial port. I want to (eventually) read them with Mixxx. I'm using an FTDI chip, so I get a /dev/ttyUSB0. I've tried spikenzielabs' Serial-Midi program, but it doesn't see any serial ports. NOTEMIDI looks really old and won't compile on my 10.04 LTS machine.
View 2 Replies View RelatedI need to do some serial comms work and need an equivalent to hyper terminal on Debian. Does it exist?
View 3 Replies View RelatedI am trying to get two way serial communications going between a Windows XP system and a Linux system (RHEL 5).I have /sbin/agetty -L 9600 ttyS0
in /etc/inittab. I am using a generic USB to serial adaptor on Windows (Unitek) and a null modem cable. I have putty configured for 9600 baud, 8 bits, no parity, one stop bit, no flow control.I get the login prompt from agetty in the putty window but input does not work; I see weird characters in the putty screen. I can echo output into the device from windows and see it, but
cat < /dev/ttyS0. just prints out weird characters from what I type.
On my CentOS 5.2 install I've installed a dual-port serial card based on the NetMOS 9835 chipset. I've followed the serial instructions, but everything they tell me to do is already done - see setserial outputs below. I've compared these values to the lspci output (below, NetMos card is at the bottom of the output) for the card and it appears right. Problem being, I can't use the serial ports. Oh and I did use search, and looked at every 9835-related article before posting this :)
[Code]....
i have a Conexant AccessRunner ADSL WAN USB Adapter and i want to switch from windows to ubuntu! i have installed along side windows and i don't know how can i get my ADSL adapter to work under ubuntu?
View 9 Replies View RelatedThis usb adapter is not working with ubuntu 10.04 64 bit! what to do! I used ndisk, and it has the latest driver, now, but no networks show up on the menu! [URL]
View 6 Replies View RelatedHow do I get my intellinet wireless USB adapter to work with ubuntu 10.4?
View 1 Replies View RelatedI love ubuntu, but I don't know how to use a command line to save my life. I'd just as soon never use a terminal ever. My big issue is I cannot get my wireless adapter to work. It is a keebox w150nu, which is based off the Ralink RT3070 chip. I am willing to use command line to get this thing to work because I love ubuntu to death, but everything I have tried has failed. I have gone to the Ralink website and downloaded the Tar.bz file from there. t
The file I grabbed is the third one down from the top: [URL].
I have absolutely no idea what to do from there with the file however. Please understand that I have zero idea how to use command line in a terminal. What I have to do to make this work? Is there a usb wireless N adapter that works straight away with ubuntu 10.10, as in I plug it in before the install, and it is immediately recognized and works immediately?
I've been trying to get a Zoom wireless-n usb adapter to work. It works under Windows once I enable file & printer sharing.I tried to connect directly to the D-Link router using its IP4 address. I received the message the site could not be found. I used network manager (I think. I'm new to wireless ubuntu networking) and manually set the computer's IP4, Gateway, and netmask addresses. Nothing. I connect the ethernet patch cable and I'm in. Network Manager show the wireless network, set as automatic log in, as never used even tho I've connected to it manually several times. The router is in multi-mode - b, g, & n.
I'd show the output from sudo ifconfig -a, and sudo lsmod | grep rt but I keep getting this error message: " 1. You are only allowed to post URLs to other sites after you have made 15 posts or more."Windows shows the adapter as rt2780 but here you can see it's claiming rt3070. The wireless icon shows it's getting a signal and I can connect to the local network, or so it seems. I'm running it thru a D-Link DIR-628 router. Is there something else I'm missing?
We have a new machine with RedHat enterprise 5 on it. I need to connect a serial cable to the serial port and talk to another system (old alpha system) instead of using a VT connected to the alpha.Does RedHat come with anything like Keaterm/hyperterm/etc etc?
View 3 Replies View RelatedI recently installed Ubuntu 10.04 (and eventually upgraded to 10.10) on a 6+ year old Gateway Laptop. When I booted Ubuntu up after installing it, I was rather surprised to discover that the wireless card didn't work. I am almost certain that the wireless card is a Broadcom BCM4306, but I am unable to determine what revision it is, if at all. When I look at the network connections widget, it says that the wireless card is not ready, and iwconfig (I think) says that it's disabled.
It's not a problem with the laptop itself, because I was able to get a Linksys usb wireless adapter to work just fine on it, although it was SLOW (about 90 kbs). I am trying to fix this on a FRESH installation of Xubuntu 10.04 with the default packages on it, nothing more. Now, I was able to get the wireless working ONCE on ubuntu, using fwcutter I think, but it went away upon reboot. One last thing, I am running the 32 bit Xubuntu 10.04 on what I think is a 64 bit machine (I think it ran x64 Ubuntu 10.04 before I ditched it), so how to figure out if it is 64 bit.
I have this tread, for a ASIX USB ethernet adapter. Still don't work.Tody i bought a Davicom DM9601 USB 10/100 EthernetI read here about this work out of the box, since 2.6.21 kernel. I have Linux Mint (Ubuntu 10.10) with 2.6.35-x kernol version; lsusb detect it; dmesg, detect it; at configure, automaticly get the MAC address, but just didn't work; with ping command, i get network is unreachable.
View 1 Replies View RelatedWith out going into 2 much detail at this point this is my issue.
I have installed unbuntu 11.04. I have 3 screens. 2 are attached to a ATi adapter and 1 screen is a sandy bridge video adapter.
I have already used the forums a lot to reach this point.
When i change my bios to set the primary adapter to sandy bridge, I can only get 1 screen to work.
When I set my bios to point to the Ati adapter as primary, then only the 2 screens connected to that adapter work.
How do I get both video adapters and all 3 screens to work?
I have run out of ideas on what my next step should be.
Ati adapter is a Radeon HD 4800 Series. The Sandy bridge one HD Graphics Family
