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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | jlesech | 1 | /**************************************************************************//** |
| 2 | * \brief EEPROM 24C04 / 24C16 library for Arduino |
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| 3 | * \author Copyright (C) 2012 Julien Le Sech - www.idreammicro.com |
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| 4 | * \version 1.0 |
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| 5 | * \date 20120218 |
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| 6 | * |
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| 7 | * This file is part of the EEPROM 24C04 / 24C16 library for Arduino. |
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| 8 | * |
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| 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 | * \headerfile Eeprom24C04_16.h |
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| 25 | ******************************************************************************/ |
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| 26 | |||
| 27 | #ifndef Eeprom24C04_16_h |
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| 28 | #define Eeprom24C04_16_h |
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| 29 | |||
| 30 | /****************************************************************************** |
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| 31 | * Header file inclusion. |
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| 32 | ******************************************************************************/ |
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| 33 | |||
| 34 | #include <Arduino.h> |
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| 35 | |||
| 36 | /**************************************************************************//** |
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| 37 | * \class Eeprom24C04_16 |
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| 38 | * |
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| 39 | * \brief EEPROM 24C04 / 24C16 memory driver. |
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| 40 | * |
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| 41 | * This driver is mainly designed for 24C04 and 24C16 EEPROM memories. |
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| 42 | ******************************************************************************/ |
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| 43 | class Eeprom24C04_16 |
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| 44 | { |
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| 45 | public: |
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| 46 | |||
| 47 | /******************************************************************//** |
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| 48 | * \fn Eeprom24C04_16(byte deviceAddress) |
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| 49 | * |
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| 50 | * \brief Constructor. |
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| 51 | * |
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| 52 | * \param deviceAddress EEPROM address on TWI bus. |
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| 53 | **********************************************************************/ |
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| 54 | Eeprom24C04_16 |
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| 55 | ( |
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| 56 | byte deviceAddress |
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| 57 | ); |
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| 58 | |||
| 59 | /******************************************************************//** |
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| 60 | * \fn void initialize() |
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| 61 | * |
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| 62 | * \brief Initialize library abnd TWI bus. |
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| 63 | * |
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| 64 | * If several devices are connected to TWI bus, this method mustn't be |
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| 65 | * called. TWI bus must be initialized out of this library using |
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| 66 | * Wire.begin() method. |
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| 67 | **********************************************************************/ |
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| 68 | void |
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| 69 | initialize(); |
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| 70 | |||
| 71 | /******************************************************************//** |
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| 72 | * \fn void writeByte( |
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| 73 | * word address, |
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| 74 | * byte data) |
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| 75 | * |
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| 76 | * \brief Write a byte in EEPROM memory. |
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| 77 | * |
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| 78 | * \remarks A delay of 10 ms is required after write cycle. |
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| 79 | * |
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| 80 | * \param address Address. |
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| 81 | * \param data Byte to write. |
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| 82 | **********************************************************************/ |
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| 83 | void |
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| 84 | writeByte |
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| 85 | ( |
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| 86 | word address, |
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| 87 | byte data |
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| 88 | ); |
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| 89 | |||
| 90 | /******************************************************************//** |
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| 91 | * \fn void writeBytes( |
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| 92 | * word address, |
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| 93 | * word length, |
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| 94 | * byte* p_data) |
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| 95 | * |
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| 96 | * \brief Write bytes in EEPROM memory. |
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| 97 | * |
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| 98 | * \param address Start address. |
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| 99 | * \param length Number of bytes to write. |
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| 100 | * \param[in] p_data Bytes to write. |
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| 101 | **********************************************************************/ |
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| 102 | void |
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| 103 | writeBytes |
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| 104 | ( |
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| 105 | word address, |
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| 106 | word length, |
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| 107 | byte* p_data |
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| 108 | ); |
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| 109 | |||
| 110 | /******************************************************************//** |
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| 111 | * \fn byte readByte(word address) |
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| 112 | * |
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| 113 | * \brief Read a byte in EEPROM memory. |
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| 114 | * |
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| 115 | * \param address Address. |
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| 116 | * |
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| 117 | * \return Read byte. |
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| 118 | **********************************************************************/ |
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| 119 | byte |
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| 120 | readByte |
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| 121 | ( |
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| 122 | word address |
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| 123 | ); |
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| 124 | |||
| 125 | /******************************************************************//** |
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| 126 | * \fn void readBytes( |
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| 127 | * word address, |
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| 128 | * word length, |
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| 129 | * byte* p_data) |
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| 130 | * |
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| 131 | * \brief Read bytes in EEPROM memory. |
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| 132 | * |
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| 133 | * \param address Start address. |
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| 134 | * \param length Number of bytes to read. |
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| 135 | * \patam[in] p_data Byte array to fill with read bytes. |
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| 136 | **********************************************************************/ |
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| 137 | void |
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| 138 | readBytes |
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| 139 | ( |
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| 140 | word address, |
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| 141 | word length, |
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| 142 | byte* p_buffer |
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| 143 | ); |
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| 144 | |||
| 145 | private: |
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| 146 | |||
| 147 | byte m_deviceAddress; |
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| 148 | |||
| 149 | /******************************************************************//** |
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| 150 | * \fn void writePage( |
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| 151 | * word address, |
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| 152 | * byte length, |
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| 153 | * byte* p_data) |
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| 154 | * |
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| 155 | * \brief Write page in EEPROM memory. |
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| 156 | * |
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| 157 | * \param address Start address. |
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| 158 | * \param length Number of bytes (64 bytes max). |
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| 159 | * \param[in] p_data Data. |
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| 160 | **********************************************************************/ |
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| 161 | void |
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| 162 | writePage |
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| 163 | ( |
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| 164 | word address, |
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| 165 | byte length, |
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| 166 | byte* p_data |
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| 167 | ); |
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| 168 | |||
| 169 | /******************************************************************//** |
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| 170 | * \fn void writeBuffer( |
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| 171 | * word address, |
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| 172 | * byte length, |
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| 173 | * byte* p_data) |
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| 174 | * |
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| 175 | * \brief Write bytes into memory. |
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| 176 | * |
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| 177 | * \param address Start address. |
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| 178 | * \param length Number of bytes (30 bytes max). |
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| 179 | * \param[in] p_date Data. |
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| 180 | **********************************************************************/ |
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| 181 | void |
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| 182 | writeBuffer |
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| 183 | ( |
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| 184 | word address, |
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| 185 | byte length, |
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| 186 | byte* p_data |
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| 187 | ); |
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| 188 | |||
| 189 | /******************************************************************//** |
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| 190 | * \fn void readBuffer( |
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| 191 | * word address, |
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| 192 | * byte length, |
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| 193 | * byte* p_data) |
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| 194 | * |
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| 195 | * \brief Read bytes in memory. |
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| 196 | * |
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| 197 | * \param address Start address. |
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| 198 | * \param length Number of bytes to read (32 bytes max). |
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| 199 | * \param[in] p_data Buffer to fill with read bytes. |
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| 200 | **********************************************************************/ |
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| 201 | void |
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| 202 | readBuffer |
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| 203 | ( |
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| 204 | word address, |
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| 205 | byte length, |
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| 206 | byte* p_data |
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| 207 | ); |
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| 208 | }; |
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| 209 | |||
| 210 | #endif // Eeprom24C04_16_h |
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| 211 |