Playing with Arduino
A page to record my playing with Arduino
sei()

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

Arduino 1.8.13/avr-gcc 7.3.0-atmel3.6.1-arduino

Last Update

June 19, 2020

inserted by FC2 system