Programmatically read list of Windows USB ports

Want to be able to programmatically search all open USB ports for a specific piece of hardware.
Hope to start by only "pinging" the ports that Windows lists as open and used in Device Manager.
Suggestions??

devcon

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How to read a data from USB port using JAVA

hi all,
i need to know how to read a data from USB port using java. any API are available for java ?.........please give your valuable ideas !!!!!!!!!
Advance Thanks!!

You can do this. Please use this link
[http://www.google.co.in/search?hl=en&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=uHu&q=java+read+data+from+usb+port&btnG=Search&meta=&aq=f&oq=]
What research did you do of your own? Have you done some testing application and tried yourself??

How to get iCloud Reading list on Windows 7

I can see various blogs/ support website explaining how to sync the bookmarks between Apple devices (iMac/iPhone/iPad) and Windows using iCloud.
What is not clear is that whether this also supports the 'Reading List' sync.
Even on the iCloud support page, iCloud: Troubleshooting iCloud Bookmarks and Reading List, for Windows there is only a section for Bookmark sync but NOT Reading List.
If there is a way out - please advise.
System in Use:
MacBook Pro with Windows 7 (using BootCamp) and iCloud 3.1

Hi,
Have you tried the very first link ? Please try it now if still no luck please use Scan now from the following link:
http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?cc=us&lc=en&dlc=en&product=5318926
Regards.
BH
**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

I can't sync my reading list in windows 7.

I have everything I need to sync the reading list to windows, I have Safari 5.1.7 and iCloud 3.0. I can not get the two to syncronize. Safari does not even show up under the iCloud compatible browsers. I have tried a clean install of safari which did not work then I did a clean iCloud install over that which also failed. What do I do?

In the Menu:
Logic Pro>Preferences>Logic AU Manager
Once that opens click reset and rescan all. It will tell you of failed AUs.

How to Sync reading list with Windows

Have anyone actually gotten the reading list to sync with Windows (Vista)? I have the Windows iCloud app installed but the reading list syncs randomly. It's more rare that it actually syncs.

Hello.
Currently, there is no way to sync your reading list between your devices. Since the reading list is just webpages without all of the ads and a more reader-like experience, it's just like a bookmark. But, you have to make all of those reading list items into bookmarks to sync between devices. The reading list is for on-device only.
Sorry for all of the trouble. (With 200 and all) :-(

Multiple serial ports reading from a shared USB port

I have a program that reads from 4 flow controllers, which send data through RS232 serial ports. Because the computer is located pretty far away, the vendor suggested to use an Edgeport box to convert RS232 to USB, then convert to ethernet port using a SuperBooster converter. The signal travels long distance in ethernet cable to the computer and get converted back to USB, then to the computer. In MAX, I was able to see 8 com ports from the Edgeport box, and I was able to communicate with my flow controllers.
The problem is, it will give me some error message occasionally. Sometime it's a VISA Read error, sometime it's a VISA framing error. Could this be caused by the way the signal is transmitted?
In the program I have four parallel WHILE loops that constantly do READ and WRITE to the 4 flow controllers. Could this be causing the errors? If so, what is the best strategy to design this program?
Thanks

I agree with Mike, you will need an error handling strategy that accounts for these errors. And retries the communications. This can be a little tricky, but very doable. I believe some sort of statemachine approach will work best for this.
As for your heated probe. I would make some sort of hardware interlock that will shut it down in case of a coolant failure. NEVER, EVER trust the computer to be running where safety is concerned, either for personal or hardware. There are plenty of ICs that can monitor temperature, and have warning, and alarm outputs! Another option is some sort of watchdog on the communications bus for the coolant control, but I think this is a bit more tricky.
Paul <--Always Learning!!!
sense and simplicity.
Browse my sample VIs?

Mac Pro USB port can't detect SD card reader.

My new macpro ( 2014) can't detect SD card reader with all 4 USB port ! I try to test with macbook Pro it's work properly ! What wrong with my USB port ?

This is too obvious, but neverthelees:
Have you checked that the card works on another computer?
Does a different USB or FW device work on the same computer port?
Is there a card actually in the reader?

Usb port reading example

Hello,
Can anyone plz attach a simple working example for READING DATA from a USB port.
Thanks as kudos only

I found those examples.But it won't seems to be simple.Iam a beginner trying to read from the USB port for the first tine.Can you suggest some simple examples.
Thanx
Thanks as kudos only

Iq518a usb ports not working

Whenever i plug anything into the usb ports i get a message popping up saying that it cant recognise the the port
Message Edited by Knobby_103 on 12-29-2008 01:32 AM

Knobby,
By chance, do you use the memory card reader and when done click the "Safely Remove Hardware" icon in the systray by the clock?
If so, it's possible you are disabling the USB ports at the same time because I believe that the card reader also utilizes a USB port on the motherboard. If this is what's happening, you can keep this from happening by either going into "Computer", right-clicking the card reader drive, and selecting Eject. This will make it so you can remove the memory card safely without removing the entire hardware device.
"A riot is the language of the unheard." - Dr. Martin Luther King Jr.

USB Ports and Bus Information

Hello, I have an i7 MBP 17" and am curious as to whether the 3 USB ports all share the same Bus, and if not, how they break down.
I have a USB reader that requires 2 USB ports (one for power, one for data). When I attempt to transfer data (usually in excess of 16GB) to a USB drive the whole works eventually chokes up and it can take up to 45 minutes to move 16GB. Firewire 800 only takes 12min at worst.
So, is there a way to connect these USB devices to improve throughput?

The difference between 12 minutes and 45 minutes is pretty nearly what one should expect for a large transfer via FireWire 800 vs USB 2. In real life, FW800 is more than twice as fast as USB 2, and it creates much less CPU overhead. If your memory cards and/or your reader can't move data at the full speed of USB 2 (and many can't), that slows things down more.

Is it possible to print from Windows 8.1 to a printer connected to the USB port on an Airport Express?

Is it possible to print from Windows 8.1 to a printer connected to the USB port on an Airport Express?
a) HP printer with USB port only (no ethernet port) connected to Airport Express
b) No issue printing from Macs
Tests
1) Installed Bonjour 2 - does not find printer (now uninstalled)
2) Bonjour 3 is listed in programs but no way to access
3) Using TCPIP address (and no Bonjour) gives 'Unsupported Personality' error when printing test page
Regards
Richard
p.s. why are all Windows 8.1 questios n the forum 'Locked' with no reply?

This is possible, but not with Bonjour or any other fixes. It is just a printer set up based on the Port name of the Airport, 10.0.1.1.
I found the answer on YouTube, Title: Windows Printing For Apple AirPort Extreme without Bonjour Wireless wifi.

If you're having problems with USB ports, read on...

i'm reading that alot of people on here are having problems with their front (or top) usb on their cases not working with their k7n2 boards. i have come across the correct solution to this problem in one of the posts (after having solved the problem on my own), however noone has posted the solution by itself on this forum so everyone can easily see it.
The trick is to make sure that pin 10 (at least on a K7n2 delta-L), the pin labeled USBOC (USB Open Connection), is wired to NOTHING. If the connector to your front usb ports is fused into one giant connector and it HAS a wire that will connect to this pin (labeled GND2 or Shield or something), CUT THAT WIRE. Pin 10 on JUSB2 (at least on a K7n2 delta-L) must be OPEN. If this pin IS connected to something (even if it is only GND), the motherboard will think something is connected to this usb port and you will get many unknown devices listed in your windows device manager and the rest of your usb ports may or may not work.
As a general rule of thumb, if a pin on a motherboard is labeled OC for "Open Connection" and you wire something to it, you're asking for trouble.
If you cannot understand this you should not be attempting to wire a motherboard in the first place.
Here is a picture to go along with this discussion. If you cannot see this picture, I am sorry for it has probably been removed from the place I posted it online as I cannot attach pictures physically to this post. If someone here has a way to permanently host this picture and post it to this thread permanently, that would be wonderful.
In summary: all usb ports/headers have only four pins associated with it (VCC, USB+, USB-, GND). If the connector (whether it's one big connector or individual sockets) to your front/top usb port has 5 sockets, don't connect the 5th socket to anything. That goes for any case/motherboard combination. This is what i'm talking about above. I have no idea why motherboard and case manufacturers have a 5th pin involved in any way on either the pin or socket side. It is not used for usb.
EDIT: I just noticed this has already been discussed in the trouble shooting guide in the above sticky post. oh well, now we have a pretty picture to go along with it (i hope).

:-D)Hello guys,
as promised I come back here to give the results of my tests... and I have to say that you saved my day (even if I had to open back 60 secured cases).
So the solution was the right one, when I unplugged the "ground" end of the front USB connector cable from the USBOC pin, those connectors finally worked as expected with USB 2.0 compliant devices.
So thank you really much for this very usefull information !
And even if maybe it's not only MSI's fault, I still believe that more information on those connectors in the user's manual would be really usefull (who knows what USBOC means except a few people and who could imagine that pluggin on it a "ground" cable would make it unserviceable ??). And who ever saw a user's manual bundled with a case ?? it's pretty unusual
Hope that someone at MSI will read that and take it into consideration, not for me (because now I'm aware) but for the thousands other consumers that will feel a little bit "annoyed" with that issue. I don't think that adding one line about it in user's manuals would be so much expensive
But I'm quite lucky myself... being able to understand and write english (even if I still have some progress to do ) gave me the possibility to find the solution... but a lot of my french fellows can't do that... and there's no french forum here... How can they do ? They rely on user's manual
Best regards,
Nicolas

USB Ports Not Working - L530 (Windows 8 - 64 Bit)

I was recently having problems with the USB ports and SD Card reader on my laptop coming out of hibernation. I had to start the Lenovo Solutions Center and run the Hardward Check and they would start working. Then, programs would start hanging in the middle of operation so I called the Lenovo support. They suggested I upgrade the BIOS.
Now that I have upgraded the BIOS, the applications still hang mid processing, but I cannot get my USB drivers working again. I have tried turning them on in the hardward and devices menu, without success. I have refreshed the whole computer and reset the settings to default in the setup utility. The only thing I haven't done is start from scratch with the recovery disks because I want to make a backup, which I can't do without the USB drive working.
Does anyone have any ideas that I can try?

Hi, ralbritton
There are two things I would try to see if they alleviate this issue: Firstly, I would go to the BIOS of the system and make sure that the USB ports are set to Enabled under Security ► I/O Port Access. Secondly, I would attempt to boot the system into Safe Mode and try to use the USB ports in this mode. If the USB ports do not work under these conditions then it is likely that the motherboard is going bad, which can also explain the hanging programs to an extent. If this turns out to be the case, then I would give Lenovo Support a call at 1-800-426-7378 and discuss a motherboard replacement.
To boot into Safe Mode into Windows 8:
When in Windows, open the Charms Bar from the right.
Select Settings
Select Power
While holding down the left shift key, click Restart
Continue to hold down the left shift key until a menu appears.
Select Troubleshoot
Select Advanced Options
Select Startup Settings
Click Restart
Select Safe Mode from the list that appears after boot (should be #4)
Best of luck,
Adam
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How do I make the wired keyboard's USB ports work properly in windows? (Eg. Powered)

I will begin by saying that this tutorial:
http://www.youtube.com/watch?v=s8kVWy8Qf7A
...does not work. Because on my windows 7 bootcamp install, there are no "generic usb hubs" listed in device manager. The keyboard shows up as a Composite device. I still tried adding the regedit, but it didnt work.
So does anyone else know how to fix the powered usb ports on the Wired apple keyboard, in windows 7?

Anyone?

My new 8th gen iPod nano is 'not recognized' by my computer. My computer runs on Windows 7, and I've installed and updated the latest versions of itunes etc, but still to no avail! I've tried different usb ports, troubleshooting...

My computer runs on Windows 7, and I've installed and updated the latest versions of itunes etc, but still to no avail! I've tried different usb ports, troubleshooting, etc... But it still says "One of the USB decuces arrached to this omputer has malfunctioned and windows does not recognize it".
The iPod is brand new, sent to me by Apple as part of the 1st gen replacement programme. I've been using the cable that came with the 1st gen iPod (I bought the first gen second hand) It always worked on my computer with the 1st gen iPod. So I was wondering, do you think I need to replace my cable in order for my PC to recognize my iPod or is it something else?
Thanks

Try a different cable. And are you connecting directly to your computer or through a USB hub?

Programmatically read list of Windows USB ports

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