eeprom.h

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#ifndef _EEPROM_H
#define _EEPROM_H
 
#include <STM32FreeRTOS.h>
#include "ticks.hpp"
#include "thread.hpp"
#include "semaphore.hpp"
#include "Wire.h"
 
using namespace cpp_freertos;
 
#define EEPROM_AT24C64_DEFAULT_ADDRESS (0x50)
#define EEPROMSIZE  8192
#define EEPAGESIZE  32
#define PAGEMASK    (EEPROMSIZE-EEPAGESIZE)
#define WR_TIME_MS  5
#define EEPROM_SEMAPHORE_MAX_WAITING_TIME_MS  (1000)
 
class EEprom {
 
public:
  EEprom();
  EEprom(TwoWire *wire, BinarySemaphore *wireLock, uint8_t i2c_address = EEPROM_AT24C64_DEFAULT_ADDRESS);
  bool Write(uint16_t address, uint8_t *buffer, uint16_t length);
  bool Write(uint16_t address, uint8_t value);
  bool Read(uint16_t address, uint8_t *buffer, uint16_t length);
  bool Read(uint16_t address, uint8_t *value);
 
protected:
private:
  TwoWire *_wire;
  BinarySemaphore *_wireLock;
  uint8_t _i2c_address;
};
 
#endif