bbt_eeprom.h

00001 #include "mbed.h"
00002 #include "EEPROM.h"
00003 
00004 #ifndef BBT_EEPROM_H
00005 #define BBT_EEPROM_H
00006 
00007 #define BBT_EEPROM_SLOT_LENGTH    20
00008 #define BBT_EEPROM_SLOT_SIZE       2
00009 #define BBT_EEPROM_STATUS_ADDR     0
00010 #define BBT_EEPROM_TEMPSLOT_ADDR   1
00011 #define BBT_EEPROM_SLOT_BASE_ADDR  2
00012 
00013 
00014 class bbt_eeprom {
00015     public:
00016         bbt_eeprom(uint16_t offsetReservedBlockAddress);
00017         uint8_t getStatus_EEP();
00018         void    setStatus_EEP(uint8_t status);
00019         void clearAllSlot_EEP();
00020         void setSlot_EEP(uint8_t slot, uint8_t broken, uint8_t used,uint16_t blockAddress);
00021         void getSlot_EEP(uint8_t slot, uint8_t * broken, uint8_t * used, uint16_t * blockAddress);
00022         
00023         // Reserved Block Address <-> Slot translation
00024         uint16_t slotToReservedBlockAddress(uint8_t slot);
00025         uint8_t  reservedBlockAddressToSlot(uint16_t reservedBlockAddress);
00026         
00027         // get not broken not used slot
00028         uint8_t getFreeSlot_EEP();
00029 
00030         // build ram bbt table
00031         void updateTranslateTable();
00032 
00033 
00034         // get translated block address
00035         uint16_t getTranslatedBlockAddress(uint16_t blockAddress);
00036 
00037         void     setTempSlot_EEP(uint8_t tempSlot);
00038         uint8_t  getTempSlot_EEP();
00039         void     incrTempSlot_EEP();
00040 
00041         // build ram temp value
00042         void     updateTempSlot();
00043 
00044         void     setTempSlot(uint8_t tempSlot);
00045         uint8_t  getTempSlot();
00046 
00047         bool     isReservedBlockAddress(uint16_t blockAddress);
00048         
00049         uint8_t  get(uint16_t address);
00050         void     put(uint16_t address,uint8_t data);
00051 
00052     protected:
00053         EEPROM   m_eeprom;
00054         uint16_t m_offsetReservedBlockAddress;
00055         uint16_t m_translateTableFrom[BBT_EEPROM_SLOT_LENGTH];
00056         uint16_t m_translateTableTo[BBT_EEPROM_SLOT_LENGTH];
00057         int      m_translateTableMaxIndex;
00058         uint8_t  m_tempSlot;
00059 };
00060 
00061 
00062 #endif