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Simulating Low-Level Hardware Devices in C++ - Ben Saks - CppCon 2022
https://github.com/CppCon/CppCon2022
When developing software that will interact directly with hardware, embedded developers often find it more convenient to use simulated hardware rather than real hardware. Early in the project, the real hardware may still be under development. Later, using simulated hardware lets us avoid potential overhead costs of cross-development (e.g., uploading the program to the real hardware). Moreover, it’s often difficult to test error-recovery code for errors that occur only rarely; using simulated hardware, we can sidestep this problem by cppcon.digital-medium.co.uk/tag/programming/">programming it to emit a failure signal consistently.
A simulator in C++ can mimic actual hardware remarkably well. In this session, we’ll show you how to use operator overloading, user-defined conversions, and other C++ features to simulate not just complete hardware devices, but individual hardware registers. With this approach, the code that interacts with simulated device registers can be nearly identical to the code that interacts with real hardware.
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Ben Saks
Ben Saks is the chief engineer of Saks & Associates, which offers training and consulting in C and C++ and their use in developing embedded systems. Ben represents Saks & Associates on the ISO C++ Standards committee as well as two of the committee’s study groups: SG14 (low-latency) and SG20 (education). He has spoken at industry conferences, including the C++ and System Software Summit, the Embedded Systems Conference, NDC Techtown, and CppCon, where he’s also chair of the Embedded Track and a member of the program committee. Ben previously worked as a software engineer for Vorne Industries, where he used C++ and JavaScript to develop embedded systems that help improve manufacturing productivity in factories all over the world. He’s also a contributing author on multiple Vorne patents.
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