Contact debouncing requires monitoring an input and waiting for it to stop toggling or at least establish that it's definitely switching from its initial state. You can use either analog or digital ...

When a WFI instruction is executed or when the processor enters sleep mode using the Sleep-On-Exit feature, the processor stops instruction execution and wakes up when an (higher priority) interrupt ...

Just as you can often treat device registers as a memory-mapped struct, you can treat an interrupt vector as a memory-mapped array. In my last column, I suggested that you use casts sparingly and with ...

The memory address of your mouse is the IRQ number assigned to the device. IRQ, which stands for Interrupt Request, is the signal that the mouse sends to the computer to alert the computer of its ...