Rev 9 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 7 | jlesech | 1 | /**************************************************************************//** |
| 9 | jlesech | 2 | * \brief EEPROM 24C128 / 24C256 library for Arduino - Demonstration program |
| 7 | jlesech | 3 | * \author Copyright (C) 2012 Julien Le Sech - www.idreammicro.com |
| 4 | * \version 1.0 |
||
| 5 | * \date 20120203 |
||
| 6 | * |
||
| 12 | jlesech | 7 | * This file is part of the EEPROM 24C128 / 24C256 library for Arduino. |
| 7 | jlesech | 8 | * |
| 9 | * This library is free software: you can redistribute it and/or modify it under |
||
| 10 | * the terms of the GNU Lesser General Public License as published by the Free |
||
| 11 | * Software Foundation, either version 3 of the License, or (at your option) any |
||
| 12 | * later version. |
||
| 13 | * |
||
| 14 | * This library is distributed in the hope that it will be useful, but WITHOUT |
||
| 15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
||
| 16 | * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
||
| 17 | * details. |
||
| 18 | * |
||
| 19 | * You should have received a copy of the GNU Lesser General Public License |
||
| 20 | * along with this program. If not, see http://www.gnu.org/licenses/ |
||
| 21 | ******************************************************************************/ |
||
| 22 | |||
| 23 | /**************************************************************************//** |
||
| 24 | * \file WriteReadByte.ino |
||
| 25 | ******************************************************************************/ |
||
| 26 | |||
| 27 | /****************************************************************************** |
||
| 28 | * Header file inclusions. |
||
| 29 | ******************************************************************************/ |
||
| 30 | |||
| 31 | #include <Wire.h> |
||
| 32 | |||
| 9 | jlesech | 33 | #include <Eeprom24C128_256.h> |
| 7 | jlesech | 34 | |
| 35 | /****************************************************************************** |
||
| 36 | * Private macro definitions. |
||
| 37 | ******************************************************************************/ |
||
| 38 | |||
| 39 | /**************************************************************************//** |
||
| 40 | * \def EEPROM_ADDRESS |
||
| 41 | * \brief Address of EEPROM memory on TWI bus. |
||
| 42 | ******************************************************************************/ |
||
| 43 | #define EEPROM_ADDRESS 0x50 |
||
| 44 | |||
| 45 | /****************************************************************************** |
||
| 46 | * Private variable definitions. |
||
| 47 | ******************************************************************************/ |
||
| 48 | |||
| 9 | jlesech | 49 | static Eeprom24C128_256 eeprom(EEPROM_ADDRESS); |
| 7 | jlesech | 50 | |
| 51 | /****************************************************************************** |
||
| 52 | * Public function definitions. |
||
| 53 | ******************************************************************************/ |
||
| 54 | |||
| 55 | /**************************************************************************//** |
||
| 56 | * \fn void setup() |
||
| 57 | * |
||
| 58 | * \brief |
||
| 59 | ******************************************************************************/ |
||
| 60 | void setup() |
||
| 61 | { |
||
| 62 | // Initialize serial communication. |
||
| 63 | Serial.begin(9600); |
||
| 64 | |||
| 65 | // Initialize EEPROM library. |
||
| 66 | eeprom.initialize(); |
||
| 67 | |||
| 68 | // Write a byte at address 0 in EEPROM memory. |
||
| 69 | Serial.println("Write byte to EEPROM memory..."); |
||
| 70 | eeprom.writeByte(0, 0xAA); |
||
| 71 | |||
| 72 | // Write cycle time (tWR). See EEPROM memory datasheet for more details. |
||
| 73 | delay(10); |
||
| 74 | |||
| 75 | // Read a byte at address 0 in EEPROM memory. |
||
| 76 | Serial.println("Read byte from EEPROM memory..."); |
||
| 77 | byte data = eeprom.readByte(0); |
||
| 78 | |||
| 79 | // Print read byte. |
||
| 80 | Serial.print("Read byte = 0x"); |
||
| 81 | Serial.print(data, HEX); |
||
| 82 | Serial.println(""); |
||
| 83 | } |
||
| 84 | |||
| 85 | /**************************************************************************//** |
||
| 86 | * \fn void loop() |
||
| 87 | * |
||
| 88 | * \brief |
||
| 89 | ******************************************************************************/ |
||
| 90 | void loop() |
||
| 91 | { |
||
| 92 | |||
| 93 | } |