“EEPROM:read()”的版本间的差异

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[[EEPROM|返回EEPROM列表]]
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[[EEPROM |返回EEPROM列表]]

2015年7月13日 (一) 21:11的版本

EEPROM

read()

描述

Reads a byte from the EEPROM. Locations that have never been written to have the value of 255.

Syntax

EEPROM.read(address)

Parameters

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

Returns

the value stored in that location (byte)

Example

  1. include <EEPROM.h>

int a = 0; int value;

void setup() {

 Serial.begin(9600);

}

void loop() {

 value = EEPROM.read(a);
 Serial.print(a);
 Serial.print("\t");
 Serial.print(value);
 Serial.println();
 a = a + 1;
 if (a == 512)
   a = 0;
 delay(500);

}


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