I have a PCM RPT-800A UPS, connected to a Windows 2012 machine. I would like to use NUT for communicating with the UPS. But shortly after installing libusb-win32 for this UPS, the device in Device Manager starts to 'blink' (disappear and appear again), looking like it's disconnected and connected again randomly, but frequently (once in 30 seconds, approximately).
Sep 02, 2010 Instructions for installing: LibUSB for Windows Vista AND Windows 7 Download: You can follow me on twitter to get more product updates. How to install libusb in Ubuntu. Ask Question 19. Copy and install are different. Just like in Windows, you install MS Office to Programs folder, you do not simply copy MS Office file to Programs folder. That is what I mean. – John Feb 2 '11 at 20:54.
When I uninstall libusb-win32, it's automatically substituted with default 'HID UPS Battery', which works perfectly (no 'blinking'), but doesn't give any data to NUT. So, how do I install libusb-win32 so it won't 'blink' in the Device Manager?
UPDATE: As this question has been marked as unclear, I will try to make it more clear by this update using steps: • I have an uninterruptable power supply (UPS) made by Powercom (PCM) company; the model of the UPS is RPT-800A. This UPS has a Universal Serial Bus (USB) port, which can be used to connect the UPS to a personal computer (PC) and read various data from the UPS (percentage of load, input voltage, output voltage, etc.). • There's an application called Network UPS Tools (NUT):.
NUT can be used to read data from the UPS. • So I download the NUT binary package for Windows, install and set it up using manual.
Everything works fine for a few hours (I can get the data I need from my UPS using NUT). • And then NUT stops working. The error is 'Data stale'. • To read the data from UPS in Windows operating system (Windows OS), NUT uses the libusb-win32 library (). When this library is installed, it substitutes the current USB device driver in Device Manager with its own custom libusb-win32 driver.
So, basically, when I just plug the UPS USB cable into my PC, my Windows OS installs the 'HID UPS Battery' generic driver to communicate with UPS. And when I install the libusb-win32 library, the installer deletes the 'HID UPS Battery' driver and installs the 'libusb-win32' driver instead. So in Device Manager it was 'HID UPS Battery' and now it is 'libusb-win32'. • During my investigation of 'Data stale' error of NUT, I open Device Manager and I see that 'libusb-win32' device is disappearing and appearing again every 30 seconds approximately. It looks just like someone unplugs the UPS USB cable and plugs in again (but there is no indication of any actual disruption in physical connectivity). So what I have now: • if 'HID UPS Battery' driver is used for UPS, it doesn't disappear from Device Manager, but I cannot read any data using NUT.
• if 'libusb-win32' driver is used for UPS, at first it works OK, but in a few hours it spontaneously starts to disappear and then appear again in Device Manager as if someone unplugs the UPS USB cable and plugs it in again. I do really need to use NUT with this UPS (PCM RPT-800A). So the question again is: how do I make this 'libusb-win32' driver to be installed correctly so it won't disappear and appear in Device Manager by itself?
Installing USBASP drivers on Windows 8 or 10 is bit tricky. As these versions of Windows require DEVICE DRIVER VERIFICATION, they do not allow unsigned drivers like libusb. For programming 8051 or AVR you need this driver. You can install by following methods: 1. Disabling Windows driver enforcement on boot up.
Follow this link This method requires SHIFT+ RESTART of Windows to enter advanced troubleshooting where we disable signature verification.After this you can install the libusb driver. But in some laptops, this method fails on next Windows update. Install libusb drivers using ZADIG application.
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Programmnij kompleks deljta test 2 1. Zadig is meant to install a libusb compatible driver, for a device that does not yet have such a driver installed. With the application running, you should see your USB device appear in the dropdown list (click on the dropdown to see all devices). You can also plug your USB device after Zadig is running, as the list is refreshed automatically. Its recommended to leave only the device you want to install a driver for, and unplug any other USB device. You can also select the driver you want to install,( between WinUSB/ libusb-win32/libusb0 / libusbK ) Once you are satisfied with the selection and device description, simply click the Install Driver Button. Caution: If you select the wrong device, Zadig will replace its driver.