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EXCUTE REAL-TIME PROCESSING IN RTOS ON 8BIT MCU WITH TEMP AND HUMIDITY SENSOR

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2019, 24(11), pp.21-27
  • DOI : 10.9708/jksci.2019.24.11.021
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : August 30, 2019
  • Accepted : September 21, 2019
  • Published : November 29, 2019

Ki-Su Kim 1 Jongchan Lee 1

1군산대학교

Accredited

ABSTRACT

Recently, embedded systems have been introduced in various fields such as smart factories, industrial drones, and medical robots. Since sensor data collection and IoT functions for machine learning and big data processing are essential in embedded systems, it is essential to port the operating system that is suitable for the function requirements. However, in embedded systems, it is necessary to separate the hard real-time system, which must process within a fixed time according to service characteristics, and the flexible real-time system, which is more flexible in processing time. It is difficult to port the operating system to a low-performance embedded device such as 8BIT MCU to perform simultaneous real-time. When porting a real-time OS (RTOS) to a low-specification MCU and performing a number of tasks, the performance of the real-time and general processing greatly deteriorates, causing a problem of re-designing the hardware and software if a hard real-time system is required for an operating system ported to a low-performance MCU such as an 8BIT MCU. Research on the technology that can process real-time processing system requirements on RTOS (ported in low-performance MCU) is needed.

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