Abstract

The sei() is a macro that executes an assembler instruction to enable interrupts.

Source Code

The sei() is defined in hardware/tools/avr/avr/include/avr/interrupt.h as below.

1

# define sei()  __asm__ __volatile__ ("sei" ::)

The sei is an assembler instruction to disable interrputs.

Version

7.3.0-atmel3.6.1-arduino7

Last Update

May 15, 2021