WebSVN - idreammicro-arduino - Blame - Rev 9 - /trunk/libraries/Eeprom24C128_256/Eeprom24C128

Rev	Author	Line No.	Line
7	jlesech	1	/************************************************************************//
9	jlesech	2	* \brief EEPROM 24C128 / 24C256 library for Arduino
7	jlesech	3	* \author Copyright (C) 2012 Julien Le Sech - www.idreammicro.com
		4	* \version 1.0
		5	* \date 20120203
		6	*
9	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	/************************************************************************//
9	jlesech	24	* \headerfile Eeprom24C128_256.h
7	jlesech	25	******************************************************************************/
		26
9	jlesech	27	#ifndef Eeprom24C128_256_h
		28	#define Eeprom24C128_256_h
7	jlesech	29
		30	/******************************************************************************
		31	* Header file inclusion.
		32	******************************************************************************/
		33
		34	#include <Arduino.h>
		35
		36	/************************************************************************//
9	jlesech	37	* \class Eeprom24C128_256
7	jlesech	38	*
9	jlesech	39	* \brief EEPROM 24C128 / 24C256 memory driver.
7	jlesech	40	*
		41	* This driver is mainly designed for 24C128 and 24C256 EEPROM memories. It's
		42	* also suitable for 24C512 memories.
		43	******************************************************************************/
9	jlesech	44	class Eeprom24C128_256
7	jlesech	45	{
		46	public:
		47
		48	/****************************************************************//
9	jlesech	49	* \fn Eeprom24C128_256(byte deviceAddress)
7	jlesech	50	*
		51	* \brief Constructor.
		52	*
		53	* \param deviceAddress EEPROM address on TWI bus.
		54	**********************************************************************/
9	jlesech	55	Eeprom24C128_256
7	jlesech	56	(
		57	byte deviceAddress
		58	);
		59
		60	/****************************************************************//
		61	* \fn void initialize()
		62	*
		63	* \brief Initialize library abnd TWI bus.
		64	*
		65	* If several devices are connected to TWI bus, this method mustn't be
		66	* called. TWI bus must be initialized out of this library using
		67	* Wire.begin() method.
		68	**********************************************************************/
		69	void
		70	initialize();
		71
		72	/****************************************************************//
		73	* \fn void writeByte(
		74	* word address,
		75	* byte data)
		76	*
		77	* \brief Write a byte in EEPROM memory.
		78	*
		79	* \remarks A delay of 10 ms is required after write cycle.
		80	*
		81	* \param address Address.
		82	* \param data Byte to write.
		83	**********************************************************************/
		84	void
		85	writeByte
		86	(
		87	word address,
		88	byte data
		89	);
		90
		91	/****************************************************************//
		92	* \fn void writeBytes(
		93	* word address,
		94	* word length,
		95	* byte* p_data)
		96	*
		97	* \brief Write bytes in EEPROM memory.
		98	*
		99	* \param address Start address.
		100	* \param length Number of bytes to write.
		101	* \param[in] p_data Bytes to write.
		102	**********************************************************************/
		103	void
		104	writeBytes
		105	(
		106	word address,
		107	word length,
		108	byte* p_data
		109	);
		110
		111	/****************************************************************//
		112	* \fn byte readByte(word address)
		113	*
		114	* \brief Read a byte in EEPROM memory.
		115	*
		116	* \param address Address.
		117	*
		118	* \return Read byte.
		119	**********************************************************************/
		120	byte
		121	readByte
		122	(
		123	word address
		124	);
		125
		126	/****************************************************************//
		127	* \fn void readBytes(
		128	* word address,
		129	* word length,
		130	* byte* p_data)
		131	*
		132	* \brief Read bytes in EEPROM memory.
		133	*
		134	* \param address Start address.
		135	* \param length Number of bytes to read.
		136	* \patam[in] p_data Byte array to fill with read bytes.
		137	**********************************************************************/
		138	void
		139	readBytes
		140	(
		141	word address,
		142	word length,
		143	byte* p_buffer
		144	);
		145
		146	private:
		147
		148	byte m_deviceAddress;
		149
		150	/****************************************************************//
		151	* \fn void writePage(
		152	* word address,
		153	* byte length,
		154	* byte* p_data)
		155	*
		156	* \brief Write page in EEPROM memory.
		157	*
		158	* \param address Start address.
		159	* \param length Number of bytes (64 bytes max).
		160	* \param[in] p_data Data.
		161	**********************************************************************/
		162	void
		163	writePage
		164	(
		165	word address,
		166	byte length,
		167	byte* p_data
		168	);
		169
		170	/****************************************************************//
		171	* \fn void writeBuffer(
		172	* word address,
		173	* byte length,
		174	* byte* p_data)
		175	*
		176	* \brief Write bytes into memory.
		177	*
		178	* \param address Start address.
		179	* \param length Number of bytes (30 bytes max).
		180	* \param[in] p_date Data.
		181	**********************************************************************/
		182	void
		183	writeBuffer
		184	(
		185	word address,
		186	byte length,
		187	byte* p_data
		188	);
		189
		190	/****************************************************************//
		191	* \fn void readBuffer(
		192	* word address,
		193	* byte length,
		194	* byte* p_data)
		195	*
		196	* \brief Read bytes in memory.
		197	*
		198	* \param address Start address.
		199	* \param length Number of bytes to read (32 bytes max).
		200	* \param[in] p_data Buffer to fill with read bytes.
		201	**********************************************************************/
		202	void
		203	readBuffer
		204	(
		205	word address,
		206	byte length,
		207	byte* p_data
		208	);
		209	};
		210
9	jlesech	211	#endif // Eeprom24C128_256_h
7	jlesech	212

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