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In computer science, rate-monotonic scheduling (RMS) [1] is a priority assignment algorithm used in real-time operating systems (RTOS) with a static-priority scheduling class. [2] The static priorities are assigned according to the cycle duration of the job, so a shorter cycle duration results in a higher job priority.
For example, Mentor Graphics uses Standard Verification Rule Format (SVRF) language in their DRC rules files and Magma Design Automation is using Tcl-based language. [3] A set of rules for a particular process is referred to as a run-set, rule deck, or just a deck. DRC is a very computationally intense task. [4]
The lack of support for real-time systems has been addressed in the creation of ROS 2, [4] [5] [6] a major revision of the ROS API which will take advantage of modern libraries and technologies for core ROS functions and add support for real-time code and embedded system hardware.
An RTOS that can usually or generally meet a deadline is a soft real-time OS, but if it can meet a deadline deterministically it is a hard real-time OS. [3] An RTOS has an advanced algorithm for scheduling. Scheduler flexibility enables a wider, computer-system orchestration of process priorities, but a real-time OS is more frequently dedicated ...
Essential to HDL design is the ability to simulate HDL programs. Simulation allows an HDL description of a design (called a model) to pass design verification, an important milestone that validates the design's intended function (specification) against the code implementation in the HDL description. It also permits architectural exploration.
The usual interval is 1 to 10 milliseconds (1 ⁄ 1000 to 1 ⁄ 100 of a second) via an interrupt from a hardware timer, but this interval is often changed to suit a given application. The software distribution contains prepared configurations and demonstrations for every port and compiler, allowing rapid application design.
μT-Kernel is an open source real-time operating system (RTOS) designed for 16-and 8-bit microcontrollers. "μ” in the name stands for "micro" and pronounced as such. It is not pronounced as "mu". It is freely available under T-License. Supported CPU list is available. [4] The latest version, μT-Kernel 3.0, is available from Github. [5]
In embedded systems, a board support package (BSP) is the layer of software containing hardware-specific boot firmware, runtime firmware and device drivers and other routines that allow a given embedded operating system, for example a real-time operating system (RTOS), to function in a given hardware environment (a motherboard), integrated with the embedded operating system.