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As embedded electronics continues to transform our lives, engineers around the globe are looking for ways to increase their coding chops. To help engineers meet this need, element14 has unveiled Code Exchange-- a place where engineers can help each other.

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  • C++ 3 way compare

    task: Let's say that you are writing a C++ class, where the objects have to be sorted or compared.In classic C++, you 'd write an operator overload for <, <=, == , !=, >= and >. In modern C++, you can get all that fun...

  • GCC 15.1 for Windows is available

    If you're interested to try out the latest C++26 options: The Windows port for GCC 15.1 isavailable for download.I installed GCC 15.1.0 (with POSIX threads) + MinGW-w64 13.0.0 UCRT - release 2. To install, download the zip file, ...

  • C++ friend functions

    For an embedded design, I made a featherweight class. A C++ construct that used no more data or code size than a traditional C design.class command {public: inline command(uint32_t steps, bool reverse) : cmd_(steps << 1 |...

  • New CMake library link option $<COMPILE_ONLY:LIB>

    CMake has an easy way to get access to libraries headers and source: target_link_libraries(your_lib, some_lib). Where your_lib is the library you are developing, and some_lib is a library you depend on. Ideal if you are using a library, and...

  • embedded C++: manage a resource with a tiny* object

    *tiny like in: 0 bits of data, 0 code instructions added, 0 clock ticksscenario: you have a resource that needs to be initialised before use, and deactivated when done. We usually do that by calling some code before the actions, and some code after ...
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