Frameworks ┌─────────────────────┬─────────────────────────────┐ │Name                 │ Description                 │ ├─────────────────────┼─────────────────────────────┤ │framework_arduino    │ Arduino Wiring-based        │ │                     │ Framework allows writing    │ │                     │ cross-platform software to  │ │                     │ control devices attached to │ │                     │ a wide range of Arduino     │ │                     │ boards to create all kinds  │ │                     │ of creative coding,         │ │                     │ interactive objects, spaces │ │                     │ or physical experiences.    │ ├─────────────────────┼─────────────────────────────┤ │framework_cmsis      │ The ARM Cortex              │ │                     │ Microcontroller Software    │ │                     │ Interface Standard (CMSIS)  │ │                     │ is a vendor-independent     │ │                     │ hardware abstraction layer  │ │                     │ for the Cortex-M processor  │ │                     │ series and specifies        │ │                     │ debugger interfaces. The    │ │                     │ CMSIS enables consistent    │ │                     │ and simple software         │ │                     │ interfaces to the processor │ │                     │ for interface peripherals,  │ │                     │ real-time operating         │ │                     │ systems, and middleware. It │ │                     │ simplifies software re-use, │ │                     │ reducing the learning curve │ │                     │ for new microcontroller     │ │                     │ developers and cutting the  │ │                     │ time-to-market for devices. │ ├─────────────────────┼─────────────────────────────┤ │framework_libopencm3 │ The libOpenCM3 framework    │ │                     │ aims to create a            │ │                     │ free/libre/open-source      │ │                     │ firmware library for        │ │                     │ various ARM                 │ │                     │ Cortex-M0(+)/M3/M4          │ │                     │ microcontrollers, including │ │                     │ ST STM32, Ti Tiva and       │ │                     │ Stellaris, NXP LPC 11xx,    │ │                     │ 13xx, 15xx, 17xx parts,     │ │                     │ Atmel SAM3, Energy Micro    │ │                     │ EFM32 and others.           │ ├─────────────────────┼─────────────────────────────┤ │framework_stm32cube  │ STM32Cube embedded software │ │                     │ libraries, including: The   │ │                     │ HAL hardware abstraction    │ │                     │ layer, enabling portability │ │                     │ between different STM32     │ │                     │ devices via standardized    │ │                     │ API calls; The Low-Layer    │ │                     │ (LL) APIs, a light-weight,  │ │                     │ optimized, expert oriented  │ │                     │ set of APIs designed for    │ │                     │ both performance and        │ │                     │ runtime efficiency.         │ ├─────────────────────┼─────────────────────────────┤ │framework_zephyr     │ The Zephyr Project is a     │ │                     │ scalable real-time          │ │                     │ operating system (RTOS)     │ │                     │ supporting multiple         │ │                     │ hardware architectures,     │ │                     │ optimized for resource      │ │                     │ constrained devices, and    │ │                     │ built with safety and       │ │                     │ security in mind.           │ └─────────────────────┴─────────────────────────────┘