_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  * 2015/02/26   Akafugu     Fixing page write
00015  * 2012/12/06   Hiroshi M   init
00016  *****************************************************************************
00017  *
00018  * Copyright (C) 2013 Hiroshi M, MIT License
00019  *
00020  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00021  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00022  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00023  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00024  * furnished to do so, subject to the following conditions:
00025  *
00026  * The above copyright notice and this permission notice shall be included in all copies or
00027  * substantial portions of the Software.
00028  *
00029  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00030  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00031  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00032  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00033  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00034  *
00035  **/
00036 
00037 #ifndef __24LCXXX_H_
00038 #define __24LCXXX_H_
00039 
00040 /* Includes ----------------------------------------------------------------- */
00041 #include "mbed.h"
00042 
00043 /* typedef ------------------------------------------------------------------ */
00044 
00045 /* define ------------------------------------------------------------------- */
00046 #define     I2C_ADDR_24LCXXX        0x50
00047 #define     __24LC512__
00048 
00049 #if defined(__24LC64__)
00050 #define     MAXADR_24LCXXX          8192
00051 #define     PAGE_SIZE_24LCXXX       32
00052 #endif
00053 
00054 #if defined(__24LC128__)
00055 #define     MAXADR_24LCXXX          16384
00056 #define     PAGE_SIZE_24LCXXX       64
00057 #endif
00058 
00059 #if defined(__24LC256__)
00060 #define     MAXADR_24LCXXX          32768
00061 #define     PAGE_SIZE_24LCXXX       64
00062 #endif
00063 
00064 #if defined(__24LC512__)
00065 #define     MAXADR_24LCXXX          65536
00066 #define     PAGE_SIZE_24LCXXX       128
00067 #endif
00068 
00069 /* macro -------------------------------------------------------------------- */
00070 /* variables ---------------------------------------------------------------- */
00071 /* class -------------------------------------------------------------------- */
00072 
00073 class _24LCXXX
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 nbyte_read( int mem_addr, void *data, int size );
00079     int byte_write( int mem_addr, char data );
00080     int nbyte_write( int mem_addr, char *data, int size );
00081     int nbyte_set( int mem_addr, char data, int size );
00082 
00083 private:
00084     int _i2c_address;
00085     I2C *_i2c;
00086     Serial *_pc;
00087     bool _debug;
00088 
00089     int page_block( int mem_addr, char *data, uint16_t length, bool incrBuffer );
00090     int page_write( int mem_addr, char *data, uint16_t length);
00091 };
00092 
00093 #endif /* __24LCXXX_H_ */