Real-time operating system
Operating system
BeRTOS is a real-time operating system designed for embedded systems .[ 3]
It is free and open-source software released under the GNU General Public License, version 2 (GPLv2) or later, with a special exception granting proprietary applications the right to keep their source code closed while keeping the base BeRTOS code open.[ 1]
It has a very modular design, that allows running it on different architectures, ranging from tiny 8-bit microcontrollers such as Atmel AVR microcontrollers up to the 32-bit ARM architecture , and on hosted environments such as Linux and Microsoft Windows . BeRTOS is written in ANSI C , and supported by popular embedded Secure Sockets Layer (SSL) and successor Transport Layer Security (TLS) libraries such as wolfSSL .
BeRTOS preemptive multitasking kernel implements many inter-process communication (IPC) primitives, including: signals , semaphores , and messages .
In addition to the kernel, BeRTOS provides a hardware abstraction layer (HAL) that includes many peripheral device drivers (timer, serial, analog-to-digital converter (ADC), motors, liquid-crystal display (LCD), NTC sensors, keyboard, buzzer, memories), algorithms (hash table , cyclic redundancy check (CRC), MD2 , entropy pool , run-length encoding (RLE)), communication protocols, and a graphic windowing subsystem for small display devices .
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