What does the CoDeSys run time system consist of?
The CoDeSys run time system communicates with the programming system when applications are loaded and during commissioning (reads variables, breakpoints, etc.). In addition, it creates a process control for control applications: recording inputs, executing the application, writing outputs. The CoDeSys run time system is written in ANSI-C. There are 4 different types available, adapted to the most common processor families • CoDeSys SP 8 Bit fo 8051 based controllers • CoDeSys SP 16 Bit for controllers with an Infineon Sab 80C16x • CoDeSys SP 32 Bit Embedded for 32 Bit CPUs on devices withou operating system or with a single tasking operating system The run time system is very compact, starting with a size of 20kB, depending on the target processor. The run time system generally is based on the multitasking of a real time operating system task. However, it also runs on “bare” hardware as a single task. In order to simplify customization it is delivered as source code.
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