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Download Serial Port Utility - A simple and lightweight application that facilitates the communication and data transfer via RS232 serial ports, automatically detecting connected devices. This page shows a list of downloadable files for the Active USB-COM Port Driver of DENSO WAVE’s automatic data capture devices. DENSO WAVE serves as a leader in developing and manufacturing automatic data capture devices for QR codes and IC cards and industrial robots (FA equipment), etc. RS232 Software Download: WinWedge is designed to be highly flexible and can easily parse, filter and format your device data to fit your project's requirements. It can also transmit prompts or commands through the serial port to control your instruments. Think of WinWedge as an easily customizable serial I/O device driver. All current software, firmware, and drivers for the Surface Pro 3; including optional WinTab drivers. Links to drivers for other Surface devices are in the Details section below.
It defines Windows Runtime classes that can use to communicate with a USB CDC device through a serial port or some abstraction of a serial port. The classes provide functionality to discover such serial device, read and write data, and control serial-specific properties for flow control, such as setting baud rate, signal states.
The topics in this section provides information about USB pipes and URBs for I/O requests, and describes how a client driver can use the device driver interfaces (DDIs) to transfer data to and from a USB device.
A transfer takes place every time data is moved between the host controller and the USB device. In general, USB transfers can be broadly categorized into control transfers and data transfers. All USB devices must support control transfers and can support endpoints for data transfers. Each type of transfer is associated with the type of USB endpoint (a buffer in the device). Control transfer is associated with the default endpoint and data transfers use unidirectional endpoints. The data transfer types use interrupt, bulk, and isochronous endpoints. The USB driver stack creates a communication channel called a pipe for each endpoint supported by the device. One end of the pipe is the device's endpoint. The other end of the pipe is always the host controller.
Before sending I/O requests to the device, the client driver must retrieve information about configurations, interfaces, endpoints, the vendor, and class-specific descriptors from a USB device. In addition, the driver must also configure the device. Device configuration involves tasks such as selecting a configuration and an alternate setting within each interface. Each alternate setting can specify one or more USB endpoints that are available for data transfers.
For information about device configuration, see How to Select a Configuration for a USB Device and How to select an alternate setting in a USB interface.
After the client driver has configured the device, the driver has access to the pipe handles created by the USB driver stack for each endpoint in the currently selected alternate setting. To transfer data to an endpoint, a client driver creates a request by formatting an URB specific to the type of request.
In this section
| Topic | Description |
|---|---|
This topic explains the structure of a control transfer and how a client driver should send a control request to the device. | |
This topic provides an overview of USB pipes and describes the steps required by a USB client driver to obtain pipe handles from the USB driver stack. | |
This topic describes the WDF-provided continuous reader object. The procedures in this topic provide step-by-step instructions about how to configure the object and use it to read data from a USB pipe. | |
This topic provides a brief overview about USB bulk transfers. It also provides step-by-step instructions about how a client driver can send and receive bulk data from the device. | |
This topic discusses static streams capability and explains how a USB client driver can open and close streams in a bulk endpoint of a USB 3.0 device. | |
This topic describes how a client driver can build a USB Request Block (URB) to transfer data to and from isochronous endpoints in a USB device. | |
In this topic, you will learn about the chained MDLs capability in the USB driver stack, and how a client driver can send a transfer buffer as a chain of MDL](/windows-hardware/drivers/ddi/wdm/ns-wdm-_mdl)'>MDL structure. | |
This topic provides information about steps you can try when a data transfer to a USB pipe fails. The mechanisms described in this topic cover abort, reset, and cycle port operations on bulk, interrupt, and isochronous pipes. | |
This section provides guidance concerning the careful management of USB bandwidth. |
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Related topics
USB driver is crucial when you want to access your Android device from a Windows computer for file transfer, tethering, rooting, backup or Android data recovery. In most cases, Android USB driver should be automatically installed when you first connect your handset to a Windows 7/8/10 computer. However, it is actually very common that Android USB device drivers fail to install on PC due to system glitch, wrong configuration, compatibility, etc. In this article, we’re going to learn to install USB driver for Android phone/tablet on computer manually. You can also check other tips for fixing Android USB device not recognized problem.
Method 1. Update and Install Android USB Driver on Windows 7/8/10
Sometimes Windows doesn’t recognize Android device because the driver is corrupted and USB driver not working. Hence, you need to update and install proper driver for your Android phone/tablet.
Step 1. Open Device Manager: for Windows 7, go to Start> Control Panel> System and Security> System> Device Manager; for Windows 8/10, press “Windows + X”, then click “Device Manager”.
Step 2. Drivers jungo input devices definition. Keymaestro driver download for windows. Find and expand “Other devices” or “Portable devices” and find your device. If there is a problem with the driver, it should be marked with a yellow exclamation mark.
Step 3. Right click on the driver and choose “Update Driver Software…”.
Step 4. Choose “Browse my computer for driver software”> “Let me pick a list of device drivers on my computer”, then hit “MTP USB Device” and click Next.
Step 5. You may need to reboot your computer after the update, and then check whether the USB driver problem is solved or not.
Method 2. Download Android USB Driver for Windows from OEM Manufacturer
If the driver for your Android device is deleted due to a certain reason, you can still download USB driver from your cellphone manufacturer site. Please download OEM USB driver according to your device manufacturer, such as Samsung, HTC, LG, etc., from the page linked below and learn how to install them on Windows 10/7/Vista computer.
Download and Install OEM USB driver
Here we take Samsung Galaxy S5 AT&T for example:
Step 1. Visit Samsung download page.
Step 2. Click MOBILE> Phones> Galaxy S> Phone Name> Carrier> CONFIRM.
Step 3. On the new page, find Downloads section, and then click DOWNLOAD icon > CONTINUE> I ACCEPT.
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Step 4. Once Samsung USB driver is downloaded, you can install it on your computer under the guide of the page linked above.
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Method 3. Install Universal Android ADB USB Driver for Windows
If you don’t have a brand or widely-used Android device, or don’t want to seek hard for the specific driver, a universal Android ADB USB driver might work for you. Visit AdbDriver and download ADB Driver Installer to your computer, then follow steps below.
Step 1. Make sure you have USB debugging enabled in your Android device. For this:
- Go to Settings> About phone, and then tap “Build number” 7 times.
- Go back to Settings, then choose “Developer options”.
- Find the “USB debugging” option and tap the button to enable it. Accept warning by tapping on OK button.
Step 2. Connect your device to PC/Laptop using a properly functional USB cable.
Step 3. Unzip the downloaded ADB file, and then launch ADBDriverInstaller.exe.
Step 4. Select your device from the list, and click Install. This process might some time to complete.
Step 5. Once the installation is completed, you’ll find the Device Status marked with OK.
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Method 4. Fix Android USB Device Drivers Fail Problem with Command Line
Even though we are quite sure that USB drivers can be successfully installed with Method 1 to 3, it is worth a try to fix “Android USB driver fails to install error” with a command line.
Step 1. Run Command Prompt as administrator: for Windows 10/8, press Windows + X, then choose Command Prompt (Admin); for Windows 7, click Start> All Programs> Accessories, then right-click Command Prompt> Run as administrator.
Step 2. Click Yes when User Account Control window pop up.
Step 3. Copy and paste the following command to the window, and then press Enter:
net localgroup Administrators local service /add
Step 4. Exit the window, and then connect your phone to PC again.
Now that Android USB driver has been successfully installed, you can transfer files between mobile phone and PC, or recover deleted photos, contacts or other data from Android device.