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To verify the authenticity of any downloaded data, grab both files and then run:. Note that you must use the name of the signature file, and you should use the one that's appropriate to the download you're verifying. Toggle navigation Go Ethereum. Install Downloads Documentation. Retrieving packages from release server Download Geth — — Release Notes. Specific Versions If you're looking for a specific release, operating system or architecture, below you will find: All stable and develop builds of Geth and tools Archives for non-primary processor architectures Android library archives and iOS XCode frameworks Please select your desired platform from the lists below and download your bundle of choice.
Stable releases These are the current and previous stable releases of go-ethereum, updated automatically when a new version is tagged in our GitHub repository. Unlike RS based devices which are connected to physical COM ports, USB devices are assigned a logical handle by operating systems when they are first plugged in. This process is known as enumeration. Once a USB device has been enumerated, it is ready for use by the host computer software.
For the host application software to communicate with the USB device, it must first obtain the handle assigned to the USB device during the enumeration process. The handle can be obtained using an open function along with some specific information about the USB device.
Once the application has finished with all communication with the USB device, the handle is closed. The handle is generally closed when the application terminates. USB devices have defined interfaces which relate to their functionality. For example, a USB keyboard with built in LEDs may have an interface for sending key presses and an interface for controlling the lights on the keyboard.
Interfaces as defined as a set of endpoints. Endpoints are used as communication channels to and from the device and host and can either be IN or OUT. They are defined relative to the host - OUT endpoints transport data to the device write and IN endpoints transport data to the host read.
Once we obtain a USB device handle, we must claim the interface we want to use. This will allow us to read and write information to and from the USB device via our application. The sample source code outlines the basics of communicating directly with an ADU device on Linux and Windows using Python and libusb. Basics of opening a USB device handle, writing and reading data, as well as closing the handle of the ADU usb device is provided as an example. All source code is provided so that you may review details that are not highlighted here.
This example illustrates the basics of reading and writing to ADU devices using the libusb library. First we'll import the libusb library.