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Arduino参考 > Libraries > EEPROM > EEPROM[]

EEPROM[]

Description

This operator allows using the identifier 

EEPROM
 like an array. EEPROM cells can be read and written directly using this method.

Syntax

EEPROM[address]

Parameters

address: the location to read/write from, starting from 0 (int)

Returns

A reference to the EEPROM cell

Example

#include <EEPROM.h>

void setup(){

  unsigned char val;

  //Read first EEPROM cell.
  val = EEPROM[ 0 ];

  //Write first EEPROM cell.
  EEPROM[ 0 ] = val;

  //Compare contents
  if( val == EEPROM[ 0 ] ){
    //Do something...
  }
}

void loop(){ /* Empty loop */ }