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A New Academic RTOS: Xinu Port to the AVR Architecture

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Computer Science – CACIC 2022 (CACIC 2022)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 1778))

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Abstract

The software development tools used in the industry for automation and control do not always have desirable characteristics to be used in the process of learning the concepts associated with them. For example, most real-time operating systems (RTOS), which are the main commonly low-level software used in automation and control, usually present a complex API, designed mainly to support tens or hundreds of different microcontrollers existing in the industry. By contrast, the general-purpose Xinu operating system, originally developed by Douglas Comer at Purdue University, was developed from its first versions for instructional purposes. This article reports the work carried out to port Xinu to the Harvard-type 8-bit AVR microcontroller architecture, in order to be used as an academic RTOS. Qualitative and quantitative evaluations of this new port are presented. The results show that XINU has the potential to be ported to other low-resource microcontroller families, and to be used as an academic RTOS on those platforms as well.

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Notes

  1. 1.

    An RTOS would be useless if the available memory is only enough to run one or two tasks.

  2. 2.

    Task and process words are synonyms in this work, and are used interchangeably. ‘Task’ is a term mostly used in RTOS environments, while ‘process’ is from OS environments.

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Author information

Authors and Affiliations

  1. Departmento de Ingeniería de Computadoras, Facultad de Informática, Universidad Nacional del Comahue, Neuquén, Argentine

    Rafael Ignacio Zurita, Miriam Lechner, Alejandro Mora & Mariana Zárate

  2. Departamento de Arquitectura de Computadoras y Sistemas Operativos, Escuela de Ingeniería, Universidad Autónoma de Barcelona, Barcelona, Spain

    Candelaria Alvarez

Authors
  1. Rafael Ignacio Zurita
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  2. Candelaria Alvarez
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  3. Miriam Lechner
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  4. Alejandro Mora
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  5. Mariana Zárate
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Corresponding author

Correspondence to Rafael Ignacio Zurita .

Editor information

Editors and Affiliations

  1. Universidad Nacional de La Plata, La Plata, Argentina

    Patricia Pesado

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Zurita, R.I., Alvarez, C., Lechner, M., Mora, A., Zárate, M. (2023). A New Academic RTOS: Xinu Port to the AVR Architecture. In: Pesado, P. (eds) Computer Science – CACIC 2022. CACIC 2022. Communications in Computer and Information Science, vol 1778. Springer, Cham. https://doi.org/10.1007/978-3-031-34147-2_17

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  • DOI: https://doi.org/10.1007/978-3-031-34147-2_17

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  • Publisher Name: Springer, Cham

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