_24LCXXX.h

00001 /**
00002  *****************************************************************************
00003  * File Name    : _24LCXXX.h
00004  *
00005  * Title        : I2C EEPROM 24LCXXX Claass Header File
00006  * Revision     : 0.1
00007  * Notes        :
00008  * Target Board : mbed NXP LPC1768, mbed LPC1114FN28  etc
00009  * Tool Chain   : ????
00010  *
00011  * Revision History:
00012  * When         Who         Description of change
00013  * -----------  ----------- -----------------------
00014  * 2012/12/06   Hiroshi M   init
00015  *****************************************************************************
00016  *
00017  * Copyright (C) 2013 Hiroshi M, MIT License
00018  *
00019  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00020  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00021  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00022  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00023  * furnished to do so, subject to the following conditions:
00024  *
00025  * The above copyright notice and this permission notice shall be included in all copies or
00026  * substantial portions of the Software.
00027  *
00028  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00029  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00030  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00031  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00032  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00033  *
00034  **/
00035 
00036 #ifndef __24LCXXX_H_
00037 #define __24LCXXX_H_
00038 
00039 /* Includes ----------------------------------------------------------------- */
00040 #include "mbed.h"
00041 
00042 /* typedef ------------------------------------------------------------------ */
00043 
00044 /* define ------------------------------------------------------------------- */
00045 #define     I2C_ADDR_24LCXXX        0x50    // by moving left, it becomes 0xA0
00046 #define     __24LC256__
00047 
00048 #if defined(__24LC64__)
00049 #define     MAXADR_24LCXXX          8192
00050 #define     PAGE_SIZE_24LCXXX       32
00051 #endif
00052 
00053 #if defined(__24LC128__)
00054 #define     MAXADR_24LCXXX          16384
00055 #define     PAGE_SIZE_24LCXXX       64
00056 #endif
00057 
00058 #if defined(__24LC256__)
00059 #define     MAXADR_24LCXXX          32768
00060 #define     PAGE_SIZE_24LCXXX       64
00061 #endif
00062 
00063 /* macro -------------------------------------------------------------------- */
00064 /* variables ---------------------------------------------------------------- */
00065 /* class -------------------------------------------------------------------- */
00066 
00067 class _24LCXXX
00068 {
00069 private:
00070     int _i2c_address;
00071     I2C *_i2c;
00072     Serial *_pc;
00073     bool _debug;
00074 
00075 public:
00076     _24LCXXX(I2C *i2c, const int address=I2C_ADDR_24LCXXX );
00077     _24LCXXX(I2C *i2c, Serial *pc, const int address=I2C_ADDR_24LCXXX );
00078     int byte_write( int mem_addr, char data );
00079     int nbyte_write( int mem_addr, void *data, int size );
00080     int page_write( int mem_addr, char *data );
00081     int nbyte_read( int mem_addr, void *data, int size );
00082 };
00083 
00084 #endif /* __24LCXXX_H_ */