1# BTstack Port for Windows Systems using the WinUSB Driver 2 3The Windows-WinUSB port uses the native run loop and WinUSB API to access a USB Bluetooth dongle. 4 5The port provides both a regular Makefile as well as a CMake build file. It uses native Win32 APIs for file access and does not require the Cygwin or mingw64 build/runtine. All examples can also be build with Visual Studio 2022 (e.g. Community Edition). 6 7## Access to Bluetooth USB Dongle with Zadig 8 9To allow WinUSB to access an USB Bluetooth dongle, you need to install a special device driver to make it accessible to user space processes. 10 11It works like this: 12 13- Download [Zadig](http://zadig.akeo.ie) 14- Start Zadig 15- Select Options -> “List all devices” 16- Select USB Bluetooth dongle in the big pull down list 17- Select WinUSB in the right pull down list 18- Select “Replace Driver” 19 20 21 22After the new driver was installed, your device is shown in the Device Manager with Device Provider 'libwdi' 23 24 25 26## Visual Studio 2022 27 28Visual Studio can directly open the provided `port/windows-winusb/CMakeLists.txt` and allows to compile and run all examples. 29For this, the C++ CMake tools for Windows is required. They are part of the Desktop development with C++ workloads. 30 31## mingw64 32 33It can also be compiles with a regular Unix-style toolchain like [mingw-w64](https://www.mingw-w64.org). 34mingw64-w64 is based on [MinGW](https://en.wikipedia.org/wiki/MinGW), which '...provides a complete Open Source programming tool set which is suitable for the development of native MS-Windows applications, and which do not depend on any 3rd-party C-Runtime DLLs.' 35 36In the MSYS2 shell, you can install everything with pacman: 37 38 $ pacman -S git 39 $ pacman -S cmake 40 $ pacman -S make 41 $ pacman -S mingw-w64-x86_64-toolchain 42 $ pacman -S mingw-w64-x86_64-portaudio 43 $ pacman -S python 44 $ pacman -S winpty 45 46### Compilation with CMake 47 48With mingw64-w64 installed, just go to the port/windows-h4 directory and use CMake as usual 49 50 $ cd port/windows-h4 51 $ mkdir build 52 $ cd build 53 $ cmake .. 54 $ make 55 56Note: When compiling with msys2-32 bit and/or the 32-bit toolchain, compilation fails 57as `conio.h` seems to be mission. Please use msys2-64 bit with the 64-bit toolchain for now. 58 59## Console Output 60 61When running the examples in the MSYS2 shell, the console input (via btstack_stdin_support) doesn't work. It works in the older MSYS and also the regular CMD.exe environment. Another option is to install WinPTY and then start the example via WinPTY like this: 62 63 $ winpty ./spp_and_le_counter.exe 64 65