Diff: bbt_eeprom.h

Revision:

0:1472308ded03

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bbt_eeprom.h	Tue Feb 09 12:00:44 2021 +0000
@@ -0,0 +1,62 @@
+#include "mbed.h"
+#include "EEPROM.h"
+
+#ifndef BBT_EEPROM_H
+#define BBT_EEPROM_H
+
+#define BBT_EEPROM_SLOT_LENGTH    20
+#define BBT_EEPROM_SLOT_SIZE       2
+#define BBT_EEPROM_STATUS_ADDR     0
+#define BBT_EEPROM_TEMPSLOT_ADDR   1
+#define BBT_EEPROM_SLOT_BASE_ADDR  2
+
+
+class bbt_eeprom {
+    public:
+        bbt_eeprom(uint16_t offsetReservedBlockAddress);
+        uint8_t getStatus_EEP();
+        void    setStatus_EEP(uint8_t status);
+        void clearAllSlot_EEP();
+        void setSlot_EEP(uint8_t slot, uint8_t broken, uint8_t used,uint16_t blockAddress);
+        void getSlot_EEP(uint8_t slot, uint8_t * broken, uint8_t * used, uint16_t * blockAddress);
+        
+        // Reserved Block Address <-> Slot translation
+        uint16_t slotToReservedBlockAddress(uint8_t slot);
+        uint8_t  reservedBlockAddressToSlot(uint16_t reservedBlockAddress);
+        
+        // get not broken not used slot
+        uint8_t getFreeSlot_EEP();
+
+        // build ram bbt table
+        void updateTranslateTable();
+
+
+        // get translated block address
+        uint16_t getTranslatedBlockAddress(uint16_t blockAddress);
+
+        void     setTempSlot_EEP(uint8_t tempSlot);
+        uint8_t  getTempSlot_EEP();
+        void     incrTempSlot_EEP();
+
+        // build ram temp value
+        void     updateTempSlot();
+
+        void     setTempSlot(uint8_t tempSlot);
+        uint8_t  getTempSlot();
+
+        bool     isReservedBlockAddress(uint16_t blockAddress);
+        
+        uint8_t  get(uint16_t address);
+        void     put(uint16_t address,uint8_t data);
+
+    protected:
+        EEPROM   m_eeprom;
+        uint16_t m_offsetReservedBlockAddress;
+        uint16_t m_translateTableFrom[BBT_EEPROM_SLOT_LENGTH];
+        uint16_t m_translateTableTo[BBT_EEPROM_SLOT_LENGTH];
+        int      m_translateTableMaxIndex;
+        uint8_t  m_tempSlot;
+};
+
+
+#endif