
248 Embedded systems design
optional modules that will do this automatically. However, mul-
tiprocessing techniques are often misunderstood and as this is
such a big topic for both hardware and software developers it is
treated in more depth later in this text.
Commercial operating systems
pSOS
+
pSOS
+
is the name of a popular multitasking real-time
operating system. Although the name refers to the kernel itself, it
is often used in a more generic way to refer to a series of develop-
ment tools and system components. The best way of looking at the
products is to use the overall structure as shown in the diagram.
The box on the left is concerned with the development ...