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ã“ã‚“ã«ã¡ã¯ã€‚GMOインターãƒãƒƒãƒˆ 新里ã§ã™ã€‚ 組込ã¿ãƒ»IoTçš„ãªç«¯æœ«ã§ã‚ˆã利用ã•ã‚Œã¦ã„ã‚‹mbedTLSã®æœ€æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚’使ã£ã¦ã€TLS 1.3〜QUICã®æš—å·åŒ–ã¾ã§å®Ÿéš›ã«ESP32を利用ã—ã¦è¡Œã£ã¦ã¿ã¾ã™ã€‚ mbedTLS mbedTLS ã¯çµ„è¾¼ã¿æ©Ÿå™¨ãªã©ã§ä½¿ã‚れるコンパクトãªã‚µã‚¤ã‚ºã®SSL/TSLライブラリã§ã™ã€‚よã知られã¦ã„ã‚‹SSLライブラリã§ã¯OpenSSL/BoringSSLãªã©ãŒã‚ã‚Šã¾ã™ã。ãŸã ã€IoTçš„ãªç«¯æœ«ãªã©ã§ã¯ã‚¹ãƒšãƒƒã‚¯ãŒé™ã‚‰ã‚ŒãŸã‚‚ã®ã«ãªã‚Šã¾ã™ã€‚例ãˆã°ã€åƒ•ãŒåˆ©ç”¨ã™ã‚‹ç«¯æœ«ã ã¨ã‚¢ãƒ—リケーションを組込ã‚ã‚‹é ˜åŸŸãŒã‚ãšã‹256Kbyteã¨ã„ã†ã‚µã‚¤ã‚ºã¨ã‹ã ã£ãŸã‚Šã—ã¾ã™ã€‚ ãã†ã„ã£ãŸIoTçš„ãªæ©Ÿå™¨ã‚„組込ã¿æ©Ÿå™¨ã®ã‚ˆã†ãªã‚¹ãƒšãƒƒã‚¯ã§ã€PCやサーãƒãƒ¼ã§åˆ©ç”¨ã•ã‚Œã¦ã„るよã†ãªSSL/TLSライブラリを組込んã§ä½¿ã†ã®ã¯ã‚¹ãƒšãƒƒã‚¯çš„ã«ã‚‚難ã—ã„ã§ã™ã€‚ãã“ã§ä½¿ã‚れるã®ãŒçµ„è¾¼ã¿ç«¯æœ«å‘ã‘ã®ã‚³ãƒ³ãƒ‘クトãªãƒ©ã‚¤ãƒ–ラリã¨ã„
Protothreadsã®ç´¹ä»‹ã¨è§£æž - Qiita
èªã‚€äººã¸ ãªã‚‹ã¹ãã‚ã‹ã‚Šã‚„ã™ã説明を行ã†ã¤ã‚‚ã‚Šã§ã¯ã‚ã‚Šã¾ã™ãŒã€ マルãƒã‚¹ãƒ¬ãƒƒãƒ‰ã«ãŠã‘ã‚‹Stack(スタック)ã€Context Switching(コンテã‚ストスイッãƒãƒ³ã‚°)ã€Blocking(ブãƒãƒƒã‚ング)ç‰ã®æ¦‚念をãŠæŒã¡ã®æ–¹ãŒå¯¾è±¡ã§ã‚ã‚Šã¾ã™ã®ã§äºˆã‚ã”了承ãŠé¡˜ã„ã—ã¾ã™ã€‚ ãã‚Œã‹ã‚‰ã€æœ¬è¨˜äº‹ã«é–¢ã—ã¦ã¯ã‚ãã¾ã§è‡ªå·±è²¬ä»»ã§å‚考ã¾ã§ã«ã•ã›ã¦ãã ã•ã„。 ã¯ã˜ã‚ã« Embedded(組込ã¿)S/W世界ã§ã¯å¤šæ§˜ãªH/W構æˆã«ç›´é¢ã™ã‚‹ã“ã¨ãŒä¸€èˆ¬çš„ã§ã‚ã‚Šã¾ã™ã€‚ 特ã«IoTãŒæµè¡Œã£ã¦ã‚‹ç¾æ™‚代ã§ã¯OSã¾ã§ã‚‚è¦ã‚‰ãªã„å°è¦æ¨¡ãªH/W構æˆã§å®Œçµã™ã‚‹å ´åˆãŒå¤šã„ã§ã™ã€‚ 例ãˆã°ã€ã‚»ãƒ³ã‚µãƒ¼ã‚’ã°ã‚‰æ’’ãã€ã‚る特定ã®å ´æ‰€ã®æ°—温を計測ã—ãŸã„å ´åˆã¯ è€ƒæ…®äº‹é …ã¨ã—ã¦ã‚³ã‚¹ãƒˆã‚„çœé›»ç‰(ä»–ã®è¦ç´ ã‚‚ã‚ã‚‹)を考ãˆã€ 最å°é™ã®H/W構æˆã§æ°—温装置を実ç¾ã™ã‚‹ã®ãŒæ±‚ã‚られã¾ã™ã€‚ ãã‚“ãªH/W構æˆã§ãƒªã‚½ãƒ¼ã‚¹ã€ç‰¹ã«ãƒ¡ãƒ¢ãƒªç‰ãŒé™ã£ãŸæ™‚ã«å½¹ã«ç«‹ã¤ Prototh
Baremetalã§éŠã¶ Raspberry Pi 5 RP1 UARTç·¨ - /home/tnishinaga/TechMEMO
Raspberry Pi 5ã®ã»ã¨ã‚“ã©ã®IOã¯PCIeã§æŽ¥ç¶šã•ã‚ŒãŸRP1ã¨ã„ã†ãƒãƒƒãƒ—を経由ã—ã¦è¡Œã‚れるã®ã§ã€ç§ã¯baremetalã§ã¯PCIeコントãƒãƒ¼ãƒ©ãƒ¼ã®ãƒ‰ãƒ©ã‚¤ãƒã‚’書ã‹ãªã„ã¨RP1経由ã§IO制御ãŒã§ããªã„ã¨æ€ã£ã¦ã„ã¾ã—ãŸã€‚ ãã®ãŸã‚先日ãªã‚“ã¨ã‹PCIeコントãƒãƒ¼ãƒ©ãƒ¼ã®ãƒ‰ãƒ©ã‚¤ãƒã‚’書ã上ã’ãŸã®ã§ã™ãŒã€å®Ÿã¯firmwareãŒPCIeコントãƒãƒ¼ãƒ©ãƒ¼ã‚’åˆæœŸåŒ–ã—ãŸã‚ã¨ãƒªã‚»ãƒƒãƒˆã›ãšã«kernelã‚’ç«‹ã¡ä¸Šã’ã¦ãれる機能ãŒfirmwareã«ã‚ã‚‹ã“ã¨ã‚’後ã§çŸ¥ã‚Šã¾ã—ãŸã€‚ By default, the PCIe X4 interface is reset before loading the kernel so that the PCIe RC is in a clean state. For bare metal / bringup you can add pciex4_reset=0 to config
GitHub - gwsystems/aWsm: WebAssembly ahead-of-time compiler and runtime. Focuses on generating fast code, simplicity, and portability.
aWsm is a compiler and runtime for compiling WebAssembly (Wasm) code into llvm bytecode, then into sandboxed binaries you can run on various platforms. It focuses on generating very fast code (best of breed for WebAssembly), having a simple and extensible code-base, and on portability. What is WebAssembly? Wasm is a standard binary format that is platform agnostic, debuggable, fast, and safe. Plea
LiteRT for Microcontrollers  | Google AI Edge  | Google AI for Developers
Gemini About Docs API reference Pricing Imagen About Docs Pricing Veo About Docs Pricing Gemma About Docs Gemmaverse Build with Gemini Gemini API Google AI Studio Customize Gemma open models Gemma open models Multi-framework with Keras Fine-tune in Colab Run on-device Google AI Edge Gemini Nano on Android Chrome built-in web APIs Build responsibly Responsible GenAI Toolkit Secure AI Framework Andr
Welcome to Comprehensive Rust 🦀 - Comprehensive Rust 🦀
Welcome to Comprehensive Rust 🦀 This is a free Rust course developed by the Android team at Google. The course covers the full spectrum of Rust, from basic syntax to advanced topics like generics and error handling. The latest version of the course can be found at https://google.github.io/comprehensive-rust/. If you are reading somewhere else, please check there for updates. The course is availab
Embassy
The next-generation framework for embedded applications Write safe, correct and energy-efficient embedded code faster, using the Rust programming language, its async facilities, and the Embassy libraries. Rust + async â¤ï¸ embedded The Rust programming language is blazingly fast and memory-efficient, with no runtime, garbage collector or OS. It catches a wide variety of bugs at compile time, thanks
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Moddable
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https://www.segger.com/products/development-tools/systemview/
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