![]() Similarly, the compiler must be installed and µVision configured to use it. For this a slightly different approach is needed. It is possible for µVision to make use of the GCC Arm compiler. For a µVision installation already licensed there is nothing else needed to be done to use compiler 5. ![]() Note that it requires proper licensing to function. The above is for the official Arm compiler. Figure 5 - Selecting the compiler to useĪll sorts of different versions can be installed this way, but my main experience is just to re-introduce compiler 5 back into the system. When changing the “options for target”, you can now select your preferred compiler. If not, you can give it a helping hand by clicking on the "Add another Arm Compiler Version to list…" button. If µVision finds it, it will now show up on the list. This brings up a list of known compilers which we can add to the list by selecting the same folder which was set during the compiler installation. Here we can now specify where new compilers can be found. This is done through the menu under Project/Manage/Project Items…, or toolbar button. With the compiler installed it is now time for µVision to be informed of it. Best to give these things a fighting chance so real development problems can be concentrated on instead. It wouldn’t be the first time a useful tool gets written under *NIX, made to work under Windows, and unexpectedly fails on a particular machine with no useful explanation. Even though Windows has been handling full filenames for many years now, in engineering it still poses problems with 3rd party tools. Secondly, it’s always useful to avoid pathnames with whitespace. \ARM\ARMCC folder to be easily found by µVision. For me, I used C:\Keil_v537\ARM\ARM_Compiler_5.06u7 but it is traditionally just in the. For one it’s probably better to keep it with where it would normally be, with your The installation is straight-forward but I would recommend choosing a more suitable installation folder than the default Program Files (x86) area. A tool which understands all these filetypes is going to be needed, such as 7-zip under Microsoft Windows. Here we can find the different releases of version 5 (and 4 if you want to go that far back). A registered account will be needed if you haven’t got one already.Īt the time of writing, the download can be found at: Although is eager to point you towards the latest copy of Version 6, we have to go to the Arm Compiler 5 (ACOMP5) download area. How to install another Arm compiler in µVisionįirst of all, we must download the compiler we wish to use. We can put compiler 5 back into our latest µVision environment with a little work. For the unexperienced, this can be a little daunting seeing a demonstration project which should run ‘straight out of the box’ instead fill your screen with errors and warnings.įor those who have their existing project but have a clean installation with the latest MDK, it's normally imperative to get back to a usable state with the previous compiler to show all is well. It has a number of differences, but the main advantage is moving to 64-bit on the compiling host.Ī Functional Safety (FuSa) qualified version of both compilers are available but only version 6 is being carried forward.Īlthough silicon vendor packs are migrating to using the new Compiler version 6, there are still a number of examples and demo code that expect version 5. Version 6 (armclang) jumps to the LLVM compiler infrastructure to take immediate advantage of the work already done in that area and bring it to Arm devices. The version 5 compiler (armcc) has been developed over many years and matured into a very reliable system. For new projects you should use the version 6 compiler. While the safety version is under long term maintenance no new features will be added. Version 6 is meant to be the successor to 5 but either are still valid to use. They are two separate tools, each with their own architecture and version numbering. Even more so now that version 6 is being renamed “Arm Compiler for Embedded". In some cases, projects and existing code still need compiler 5.Ĭalling the compiler version 5 and version 6 can be a little misleading. ![]() In previous versions both compiler versions 5 and 6 have been available as part of the installation. This isn’t an oversight, just a gradual progression to give a strong prompt that version 6 is the way forward. ![]() To keep things lightweight not all legacy tools are included ‘out of the box’.Īs of µVision version 5.37, it no longer ships with Arm Compiler 5. Like with most software tools, Keil’s µVision MDK software evolves over time to keep up with latest trends and technologies.
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