Top "Isr" questions

What is the difference between FIQ and IRQ interrupt system?

I want to know the difference between FIQ and IRQ interrupt system in any microprocessor, e.g: ARM926EJ.

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Signals and interrupts a comparison

Based on various references, my subjective definition of signals in Linux is "The triggers that are used to notify the …

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How to save the registers on x86_64 for an interrupt service routine?

I am looking at some old code from a school project, and in trying to compile it on my laptop …

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Difference between ISR and Function Call?

I want to understand difference between ISR (Interrupt Service Routine) and Function call. I feel both the function call and …

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How CPU finds ISR and distinguishes between devices

I should first share all what I know - and that is complete chaos. There are several different questions on …

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How to enable interrupt function in sw4stm32

I use SW4STM32 toolchain,I want to bliking led using timer2 when overflow, in STM32103RET, here is my …

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ESP8266/Arduino: Why is it necessary to add the ICACHE_RAM_ATTR macro to ISRs and functions called from there?

I read that I need to add the ICACHE_RAM_ATTR macro to interrup service routines (ISRs) and to every …

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Can breakpoints be used in ISRs?

Can breakpoints be used in interrupt service routines (ISRs)?

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How is ISR a callback function

The wikipedia entry states: In computer system programming, an interrupt handler, also known as an interrupt service routine or ISR, …

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