Top "Interrupt" questions

Use for questions related to interrupt signals and interrupt handling.

ARM bootloader: Interrupt Vector Table Understanding

The code following is the first part of u-boot to define interrupt vector table, and my question is how every …

arm interrupt bootloader
Interrupt masking: why?

I was reading up on interrupts. It is possible to suspend non-critical interrupts via a special interrupt mask. This is …

operating-system computer-architecture interrupt
dma vs interrupt-driven i/o

I'm a little unclear on differences between DMA and interrupt I/O. (Currently reading Operating Systems Concepts, 7th ed). Specifically, …

architecture operating-system driver interrupt dma
Interrupts and exceptions

I've seen several question on here about exceptions, and some of them hint at interrupts as exceptions, but none make …

exception terminology interrupt
Why does UART transmit interrupt fail to work in this case?

I am using stm32f0 MCU. I have a simple UART echo code in which every byte received will be …

interrupt stm32 uart stm32f0 stm32-hal
STM32F411: is clearing an external interrupt flag really necessary?

I've bought an STM32F411 nucleo board and now I'm trying to understand various bits and pieces of the HAL. …

interrupt stm32 interrupt-handling
how to know the Interrupt/GPIO number for a specific pin in linux

i'm doing a project in which i need to handle an interrupt in Linux. the board i'm using is an …

linux embedded arm embedded-linux interrupt
The difference between Call Gate, Interrupt Gate, Trap Gate?

I am studying Intel Protected Mode. I found that Call Gate, Interrupt Gate, Trap Gate are almost the same. In …

x86 operating-system cpu interrupt processor
Why softirq is used for highly threaded and high frequency uses?

What makes the softirq so special that we use it for high frequency uses., like in network drivers and block …

linux linux-kernel linux-device-driver interrupt softirq
How to send an interrupt signal

I'm trying to implement a function that would call an interrupt signal in Go. I know how to intercept interrupt …

go signals interrupt interrupt-handling