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Dependencies: BEAR_Protocol_Edited BufferedSerial Debug MaxSonar PID Process QEI UI iSerial mbed
Fork of CleaningMachine_Betago by
eeprom/eeprom.h
- Committer:
- palmdotax
- Date:
- 2016-03-21
- Revision:
- 1:45f1573d65a1
File content as of revision 1:45f1573d65a1:
#ifndef __EEPROM__H_
#define __EEPROM__H_
// Includes
#include <string>
#include "mbed.h"
// Defines
#define EEPROM_Address 0xA0
#define EEPROM_NoError 0x00
#define EEPROM_BadAddress 0x01
#define EEPROM_I2cError 0x02
#define EEPROM_ParamError 0x03
#define EEPROM_OutOfRange 0x04
#define EEPROM_MallocError 0x05
#define EEPROM_MaxError 6
static std::string _ErrorMessageEEPROM[EEPROM_MaxError] = { "",
"Bad chip address",
"I2C error (nack)",
"Invalid parameter",
"Data address out of range",
"Memory allocation error"};
// Class
class EEPROM
{
public:
enum TypeEeprom {T24C01=128,T24C02=256,T24C04=512,T24C08=1024,T24C16=2048,
T24C32=4096,T24C64=8192,T24C128=16384,T24C256=32768,
T24C512=65536,T24C1024=131072,T24C1025=131073
} Type;
/*
* Constructor, initialize the eeprom on i2c interface.
* @param sda : sda i2c pin (PinName)
* @param scl : scl i2c pin (PinName)
* @param address : eeprom address, according to eeprom type (uint8_t)
* @param type : eeprom type (TypeEeprom)
* @return none
*/
EEPROM(PinName sda, PinName scl, uint8_t address, TypeEeprom type=T24C64);
/*
* Random read byte
* @param address : start address (uint16_t)
* @param data : byte to read (int8_t&)
* @return none
*/
void read(uint16_t address, int8_t& data);
/*
* Random read short
* @param address : start address (uint16_t)
* @param data : short to read (int16_t&)
* @return none
*/
void read(uint16_t address, int16_t& data);
/*
* Random read long
* @param address : start address (uint16_t)
* @param data : long to read (int32_t&)
* @return none
*/
void read(uint16_t address, int32_t& data);
/*
* Random read float
* @param address : start address (uint16_t)
* @param data : float to read (float&)
* @return none
*/
void read(uint16_t address, float& data);
/*
* Random read anything
* @param address : start address (uint16_t)
* @param data : data to read (void *)
* @param size : number of bytes to read (uint16_t)
* @return none
*/
void read(uint16_t address, void *data, uint16_t size);
/*
* Current address read byte
* @param data : byte to read (int8_t&)
* @return none
*/
void read(int8_t& data);
/*
* Sequential read byte
* @param address : start address (uint16_t)
* @param data : bytes array to read (int8_t[]&)
* @param size : number of bytes to read (uint16_t)
* @return none
*/
void read(uint16_t address, int8_t *data, uint16_t size);
/*
* Write byte
* @param address : start address (uint16_t)
* @param data : byte to write (int8_t)
* @return none
*/
void write(uint16_t address, int8_t data);
/*
* Write short
* @param address : start address (uint16_t)
* @param data : short to write (int16_t)
* @return none
*/
void write(uint16_t address, int16_t data);
/*
* Write long
* @param address : start address (uint16_t)
* @param data : long to write (int32_t)
* @return none
*/
void write(uint16_t address, int32_t data);
/*
* Write float
* @param address : start address (uint16_t)
* @param data : float to write (float)
* @return error number if > 0 (uint8_t)
*/
void write(uint16_t address, float data);
/*
* Write anything
* @param address : start address (uint16_t)
* @param data : data to write (void *)
* @param size : number of bytes to read (uint16_t)
* @return none
*/
void write(uint16_t address, void *data, uint16_t size);
/*
* Write page
* @param address : start address (uint16_t)
* @param data : bytes array to write (int8_t[])
* @param size : number of bytes to write (uint16_t)
* @return none
*/
void write(uint16_t address, int8_t data[], uint16_t size);
/*
* Wait eeprom ready
* @param : none
* @return none
*/
void ready(void);
/*
* Get eeprom size in bytes
* @param : none
* @return size in bytes (uint16_t)
*/
uint32_t getSize(void);
/*
* Get the current error number (EEPROM_NoError if no error)
* @param : none
* @return current error number (uint8_t)
*/
uint8_t getError(void);
/*
* Get current error message
* @param : none
* @return current error message(std::string)
*/
std::string getErrorMessage(void) {
return(_ErrorMessageEEPROM[_errnum]);
}
//---------- local variables ----------
private:
I2C _i2c; // Local i2c communication interface instance
int _address; // Local ds1621 i2c address
uint8_t _errnum; // Error number
TypeEeprom _type; // EEPROM type
uint8_t _page_write; // Page write size
uint8_t _page_number; // Number of page
uint32_t _size; // Size in bytes
bool checkAddress(uint16_t address); // Check address range
//-------------------------------------
};
#endif
