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ISR
Interrupt Service Routine, or interrupt handler, It can be said that a routine responsible for servicing hardware for updating some data structures shared between the ISR and the thread(s) running in the application, and for signalling the thread that some kind of event has occurred. It is executed for a peripheral employing an interrupt signal if the state of the interrupt input is 1 (one). The ISR performs all the processing required by the device generating the input signal.
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ISR
Interrupt Service Routine, or interrupt handler, It can be said that a routine responsible for servicing hardware for updating some data structures shared between the ISR and the thread(s) running in the application, and for signalling the thread that some kind of event has occurred. It is executed for a peripheral employing an interrupt signal if the state of the interrupt input is 1 (one). The ISR performs all the processing required by the device generating the input signal.
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