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