Every year, millions of miccroprocessor and microcontroller chips are sold as CPUs for general purpose computers, such as PCs or workstations, but also for devices that are not primarily used as computers,. | Realtime Operating Systems Concepts and Implementation of Microkernels for Embedded Systems Dr. Jürgen Sauermann Melanie Thelen 2 Contents List of List of 1 General Memory 2 Specification and Execution of Compiling and Loading and Execution of Preemptive Duplication of Task Task Control Ring Buffers . 26 Ring Buffer with Get Ring Buffer with Put Ring Buffer with Get and Put 3 Kernel Kernel Hardware Memory Interrupt Data Bus Task Semaphore Constructors. .