Microsoft® ODBC Driver 13.1 for SQL Server® - Windows, Linux, & macOS. The Microsoft ODBC Driver for SQL Server provides native connectivity from Windows, Linux, & macOS to Microsoft SQL Server and Microsoft Azure SQL Database. Virtual COM port (VCP) drivers cause the USB device to appear as an additional COM port available to the PC. Application software can access the USB device in the This page contains the VCP drivers currently available for FTDI devices. For D2XX Direct drivers, please click here.
- Linux Developer Community Port Devices Driver Download For Windows 7
- Linux Developer Community Port Devices Driver Download For Windows 8
- Linux Developer Community Port Devices Driver Download For Windows 10
- Linux Developer Community Port Devices Driver Download For Windows Xp
V-USB is a software-only implementation of a low-speed USB device for Atmel’s AVR® microcontrollers, making it possible to build USB hardware with almost any AVR® microcontroller, not requiring any additional chip.
Linux Developer Community Port Devices Driver Download For Windows 7
- Fully USB 1.1 compliant low-speed device, except handling of communication errors and electrical specifications.
- Example projects demonstrate device and host driver implementations on Linux, Mac OS X and Windows.
- Supports multiple endpoints: one control endpoint, two interrupt/bulk-in endpoints and up to 7 interrupt/bulk-out endpoints. (Note that the USB specification forbids bulk endpoints for low speed devices, but V-USB supports them to some degree.)
- Transfer sizes up to 254 bytes by default, more as configuration option.
- Comes with freely usable USB identifiers (Vendor-ID and Product-ID pairs).
- Runs on any AVR microcontroller with at least 2 kB of Flash memory, 128 bytes RAM and a clock rate of at least 12 MHz.
- No UART, timer, input capture unit or other special hardware is required (except one edge triggered interrupt).
- Can be clocked with 12 MHz, 15 MHz, 16 MHz 18 MHz or 20 MHz crystal or from a 12.8 MHz or 16.5 MHz internal RC oscillator.
- High level functionality is written in C and is well commented.
- Only about 1150 to 1400 bytes code size.
- You can choose the License: Open Source or commercial. Click here for details.
This diagram shows a typical circuit for a bus powered device.
D1 and D2 are a low cost replacement for a low drop 3.3 V regulator chip, such as the LE33. Operating the AVR at higher voltages exceeds the common mode range of many USB chips. If you need to run the AVR at 5 V, add 3.6 V zener diodes at D+ and D- to limit the voltage.
For a prototyping board, please see metaboard.
- Download the V-USB package containing a short description and several simple code examples.
- V-USB's git repository is on github.com.
- V-USB Forum. Discuss ideas or get help from other users.
- V-USB Wiki is a public Wiki with lots of additional information.
- There is also an excellent step by step tutorial by Code and Life.
- Another third party tutorial can be found at workinprogress.ca.
- Objective Development's Developer Article: Implementing USB 1.1 in Firmware
Benefits over Alternative Solutions
Why not choose a microcontroller with built-in USB hardware? There are several of these available (see http://janaxelson.com). Or combine the microcontroller of your choice with a USB chip?
Advantages over Microcontrollers with USB Hardware
- Standard AVR controllers are usually easier to obtain.
- Most of the controllers with USB support are only available in SMD, which is almost impossible to handle for hobbyists.
- V-USB comes with a free shared Vendor- / Product-ID pair.
- A good free ANSI-C compiler (GNU gcc) and a free development system for Windows (WinAVR) are available for AVR.
- AVR controllers are faster than most of the controllers with integrated USB and cost less.
- Stand-alone operation: Some of the USB controllers download their firmware from the host computer into RAM. They don’t work without connection to the host.
- AVR controllers have on-chip EEPROM.
Advantages over separate USB Peripheral
- No additional cost.
- No additional hardware complexity: simpler PCB, less failures.
- More freedom in the choice of USB descriptors.
- V-USB comes with a free shared Vendor- / Product-ID pair.
- Little hardware resources used: only two to three I/O pins.
- USB chips are often hard to obtain.
Advantages over other Firmware-Only Implementations
A similar driver for the AVR series of microcontrollers is available from Igor Češko. Our USB driver has the following advantages over Igor’s driver:
- All customizable code written in ANSI-C and thus easier to maintain.
- Modular concept: easier to integrate into existing designs.
- Slightly smaller code size in spite of high level language modules.
- Faster: All encoding/decoding (USB requires NRZI coding and bit stuffing) is done in real-time, not in the main loop after storing away the raw data stream.
- More endpoints, USB descriptors can be better customized.
- V-USB comes with a free shared Vendor- / Product-ID pair.
- The level of standards conformance is documented (description of limitations and potential problems).
- Licensed under the terms of the GNU General Public License or alternatively under a commercial license.
Dick Streefland has stripped down an older version of V-USB to the basics. His code is easier to read and understand, but lacks some of the features found in V-USB:
- V-USB supports up to 4 endpoints. This allows implementing devices conforming to the HID or CDC device class.
- V-USB passes the tests in usb.org’s test utility.
- V-USB supports many different clock rates, some even with the internal RC oscillator.
The Google USB Driver is required for Windows if you want to performadb debugging with Google devices. Windows drivers forall other devices are provided by the respective hardware manufacturer, as listed in theOEM USB Drivers document.
Note:If you're developing on Mac OS X or Linux, then you do not need to install a USBdriver. Instead seeUsing Hardware Devices.
You can download the Google USB Driver for Windows in one of two ways:
- Or, get it from the Android SDK Manager as follows:
- In Android Studio, click Tools > SDK Manager.
- Click the SDK Tools tab.
Select Google USB Driver and click OK.
Figure 1. The SDK Manager with the Google USB Driver selected
- Proceed to install the package. When done, the driver files are downloaded into the
Using the SDK Managerhelps you keep the driver up to date by notifying you when your current driveris out of date.
For installation information, readInstall a USB Driver.
Download the Google USB driver
Before downloading, you must agree to the following terms and conditions.
Terms and ConditionsThis is the Android Software Development Kit License Agreement
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Linux Developer Community Port Devices Driver Download For Windows 10
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14. General Legal Terms14.1 The License Agreement constitutes the whole legal agreement between you and Google and governs your use of the SDK (excluding any services which Google may provide to you under a separate written agreement), and completely replaces any prior agreements between you and Google in relation to the SDK.14.2 You agree that if Google does not exercise or enforce any legal right or remedy which is contained in the License Agreement (or which Google has the benefit of under any applicable law), this will not be taken to be a formal waiver of Google's rights and that those rights or remedies will still be available to Google.14.3 If any court of law, having the jurisdiction to decide on this matter, rules that any provision of the License Agreement is invalid, then that provision will be removed from the License Agreement without affecting the rest of the License Agreement. The remaining provisions of the License Agreement will continue to be valid and enforceable.14.4 You acknowledge and agree that each member of the group of companies of which Google is the parent shall be third party beneficiaries to the License Agreement and that such other companies shall be entitled to directly enforce, and rely upon, any provision of the License Agreement that confers a benefit on (or rights in favor of) them. Other than this, no other person or company shall be third party beneficiaries to the License Agreement.14.5 EXPORT RESTRICTIONS. THE SDK IS SUBJECT TO UNITED STATES EXPORT LAWS AND REGULATIONS. YOU MUST COMPLY WITH ALL DOMESTIC AND INTERNATIONAL EXPORT LAWS AND REGULATIONS THAT APPLY TO THE SDK. THESE LAWS INCLUDE RESTRICTIONS ON DESTINATIONS, END USERS AND END USE.14.6 The rights granted in the License Agreement may not be assigned or transferred by either you or Google without the prior written approval of the other party. Neither you nor Google shall be permitted to delegate their responsibilities or obligations under the License Agreement without the prior written approval of the other party.14.7 The License Agreement, and your relationship with Google under the License Agreement, shall be governed by the laws of the State of California without regard to its conflict of laws provisions. You and Google agree to submit to the exclusive jurisdiction of the courts located within the county of Santa Clara, California to resolve any legal matter arising from the License Agreement. Notwithstanding this, you agree that Google shall still be allowed to apply for injunctive remedies (or an equivalent type of urgent legal relief) in any jurisdiction.January 16, 2019