Real-Time Systems & RTOS
How an RTOS schedules tasks against deadlines, why priority and preemption matter, and how to write interrupt-safe code that doesn't fall apart under real-time constraints.
embedded systemsRTOSreal-time systems
Part of the Embedded Systems Engineer roadmapSub-lessons
1
RTOS ConceptsWhat a real-time operating system actually adds over a bare-metal loop: tasks, schedulers, and the deterministic timing guarantees that come with them.intermediateMarch 16, 2025 · 3 min read
2Task Scheduling & PrioritiesHow priority-based preemptive scheduling decides which task runs next, what priority inversion is, and how rate-monotonic analysis tells you whether a task set can meet its deadlines.intermediateMarch 17, 2025 · 3 min read
3Interrupt-Safe DesignCritical sections, atomic access, and the lock-free patterns that keep shared data consistent between interrupt handlers and task code.intermediateMarch 18, 2025 · 3 min read