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- Q173772 subject Q6452951.
- Q173772 subject Q6967968.
- Q173772 abstract "A cyclic executive is an alternative to a real-time operating system. It is a form of cooperative multitasking, in which there is only one task. The sole task is typically realized as an infinite loop in main(), e.g. in C.The basic scheme is to cycle through a repeating sequence of activities, at a set frequency. For example, let us consider the example of an embedded system designed to monitor a temperature sensor and update an LCD display. The LCD may need to be written twenty times a second (i.e., every 50 ms). If the temperature sensor must be read every 100 ms for other reasons, we might construct a loop of the following appearance:int main(void){ // initialization code here while (1) { currTemp = tempRead(); lcdWrite(currTemp); // waste CPU cycles until 50 ms lcdWrite(currTemp); // do other stuff // waste CPU cycles until 100 ms }}The outer 100 ms cycle is called the major cycle. In this case, there is also an inner minor cycle of 50 ms.".
- Q173772 wikiPageWikiLink Q1193100.
- Q173772 wikiPageWikiLink Q1349935.
- Q173772 wikiPageWikiLink Q1365224.
- Q173772 wikiPageWikiLink Q15777.
- Q173772 wikiPageWikiLink Q16969336.
- Q173772 wikiPageWikiLink Q175957.
- Q173772 wikiPageWikiLink Q193040.
- Q173772 wikiPageWikiLink Q213666.
- Q173772 wikiPageWikiLink Q6452951.
- Q173772 wikiPageWikiLink Q646.
- Q173772 wikiPageWikiLink Q6967968.
- Q173772 wikiPageWikiLink Q83341.
- Q173772 comment "A cyclic executive is an alternative to a real-time operating system. It is a form of cooperative multitasking, in which there is only one task. The sole task is typically realized as an infinite loop in main(), e.g. in C.The basic scheme is to cycle through a repeating sequence of activities, at a set frequency. For example, let us consider the example of an embedded system designed to monitor a temperature sensor and update an LCD display.".
- Q173772 label "Cyclic executive".