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Function Reference

The following pages describe the RTX166 Tiny system functions. The system functions are listed in alphabetical order and each is divided into several sections:

Summary Briefly describes the routine's effect, lists include file(s) containing its declaration and prototype, illustrates the syntax, and describes any arguments.
Description Provides a detailed description of the routine and how it is used.
Return Value Describes the value returned by the routine.
See Also Names related routines.
Example Gives a function or program fragment demonstrating proper use of the function.


  • Functions that begin with os_ may be called from a task but not from an interrupt service routine.
  • Functions that begin with isr_ may be called from an interrupt service routine but not from a task.
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