“EEPROM:read()”的版本间的差异
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Reads a byte from the EEPROM. Locations that have never been written to have the value of 255. | Reads a byte from the EEPROM. Locations that have never been written to have the value of 255. | ||
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<font color="orange" size="+1">'''语法'''</font> | <font color="orange" size="+1">'''语法'''</font> | ||
EEPROM.read(address) | EEPROM.read(address) | ||
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<font color="orange" size="+1">'''参数'''</font> | <font color="orange" size="+1">'''参数'''</font> | ||
address: the location to read from, starting from 0 (int) | address: the location to read from, starting from 0 (int) | ||
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<font color="orange" size="+1">'''返回值'''</font> | <font color="orange" size="+1">'''返回值'''</font> | ||
the value stored in that location (byte) | the value stored in that location (byte) | ||
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<font color="orange" size="+1">'''示例'''</font> | <font color="orange" size="+1">'''示例'''</font> |
2015年7月14日 (二) 10:26的版本
read()
描述 Reads a byte from the EEPROM. Locations that have never been written to have the value of 255.
EEPROM.read(address)
address: the location to read from, starting from 0 (int)
the value stored in that location (byte)
#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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