![]() ![]() To prevent this, install CMake version 3.19. If you’re using nmake, you’ll get an error like fatal error U1033: syntax error : ':' unexpected, or if you’re using mingw32-make, something like *** multiple target patterns. On the second run of make or nmake (after running cmake), the process will fail. Important! There is a bug in CMake version 3.20 (at the time of writing). Head to the download page on CMake’s site. The Raspberry Pi Pico SDK relies on CMake to help create these build files. It does not build/compile (like Make does), but rather, it can generate the directory structures and files needed for any build system (Make, Qt Creator, Ninja, etc.). Install CMakeĬMake is a tool that helps you automate the build process of programs. We will update the Windows Path to find all of the tools in mingw32\bin (along with this. This creates a wrapper batch file that will call the mingw32-make tool whenever you type make into a Windows terminal. When it’s done, open a Windows Command Prompt and enter the following into the terminal: echo mingw32-make %* > C:\VSARM\mingw\mingw32\bin\make.bat Uncheck the named unzip directory so that when everything unzips, you should have C:\VSARM\mingw\mingw32. Use 7-Zip to unzip it into the C:\VSARM\mingw directory. ![]() ĭownload the i686-posix-sjlj zip file for your desired MinGW-W64 GCC version (e.g. Head to the MinGW-W64 files page on SourceForge. You will likely see the error message “The file has been downloaded incorrectly!” As a result, I have updated the portion below to download only the MinGW-W64 GCC files (tested with v8.1.0), as that’s all we need to compile Pico programs. Note: at this time, the MinGW (.exe) installer appears to be broken. We’re going to use the open-source GNU suite (e.g. The original Getting Started guide has us install Build Tools for Visual Studio to get a Windows compiler (cl.exe), linker (link.exe), and make tool (nmake.exe). These tools run on our computer (not the target RP2040 microcontroller), and we need a native compiler and linker. When we build Pico projects, we need to compile the elf2uf2 and pioasm tools from source. MinGW (short for Minimalist GNU for Windows) is a collection of open-source utilities, such as compilers and linkers, that allow us to build applications for Windows. When it is complete, select the option to Add path to environment variable.Īt this point, you should be able to call any of the Arm compiler tools in a new command prompt, such as arm-none-eabi-gcc.exe. It will auto-fill the destination directory to the name of the current toolchain release.Ĭontinue with the installation process. When asked, change the installation location to C:\VSARM\armcc. I have verified that Arm GNU Embedded Toolchain 11.2-2022.02 works. Head to the GNU Arm Embedded Toolchain download page and download the latest installer for Windows. The GNU Arm Embedded Toolchain contains the Arm GCC compiler that we need to compile C and C code for the RP2040. Some Unix/Linux tools (that have been ported to Windows) do not work well with paths that have spaces in them. We use these short, one-word folder names to keep paths short and to avoid spaces. You should be able to keep all of your Arm development tools in the VSARM directory and have them coexist with other tools and SDKs. Note that this directory structure is similar to how you might set up other Arm compiler tools and SDKs (such as this STM32 toolchain setup). In C:\VSARM, create the following folders: ![]() This setup will make it easy to configure the Path and find things later on.Ĭreate a folder named VSARM in the top level of your C drive. With the exception of CMake and Python, we will want all of our tools and SDK files to exist in one folder on Windows. This guide walks you through an alternative way of installing the C/C toolchain for the Pico, using MinGW in place of the Build Tools for Visual Studio. The Raspberry Pi Pico getting started guide shows you how to do this, but I have issues with two parts: you need to install Build Tools for Visual Studio (around 6 GB) and you must run VS Code from within a Developer Command Prompt every time. Installing the toolchain is an arduous process, requiring multiple programs and manually modifying the Windows Path. On macOS, you need to use Homebrew to install the toolchain, which is only a few commands in the terminal. On Linux (specifically, most flavors of Debian), you can run a single script that will install everything for you. Raspberry Pi has a fantastic getting started guide for the Pico that covers installation steps for the major operating systems. This tutorial will show you how to install the Raspberry Pi Pico toolchain on Windows 10 for C and C development. ![]()
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