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DEVELOPMENT OF VARIANT OF SOFTWARE ARCHITECTURE IMPLEMENTATION FOR LOW-POWER GENERAL PURPOSE MICROCONTROLLERS BY FINITE STATE MACHINES

Pavlo Katin
Published: 31 May 2017

Abstract: As a result of the research, two directions for development of software architecture for low-power general purpose microcontrollers (LPGPM) are identified. The first, classical approach is the development using standard State patterns. The second is the development of programs, algorithms and structures based on mathematical analysis.The first direction is chosen in the work. The variant of the implementation of a typical pattern for development of software architecture (SA) in the form of a finite state machine (FSM) is proposed to discussion. This pattern allows to divide the development of the architectural part of the program for LPGPM and programming the LPGPM hardware. This approach makes it possible to divide the work of the software architect and the work of LPGPM hardware specialists. Advantage of the solution in comparison with the real time operating system (RTOS) is the saving of LPGPM hardware resources. In addition, it improves the readability of code and good testing prospects. The resulting architecture makes it possible to easily accompany the software and switch to other types of microcontroller. The disadvantage is an increase in the required amount of RAM with an increase in the number of states. It is this disadvantage that requires the application not only of experimental and engineering-intuitive methods, but also to continue research in the second direction.
Keywords: architecture / software / Implementation / Finite / microcontroller / hardware / Structures / disadvantage / machines / LPGPM

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