beslan/eeprom
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This commit is contained in:
Tutukov Beslan
2021-11-12 07:10:36 +03:00
parent f818b6b602
commit f6b04a0135
2 changed files with 856 additions and 881 deletions
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1631
eeprom.cpp
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106
eeprom.h
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@@ -3,7 +3,7 @@
// Includes // Includes
#include <string> #include <string>
#include "mbed.h" #include "mbed.h"
@@ -20,22 +20,24 @@
#define EEPROM_MaxError 6 #define EEPROM_MaxError 6
static std::string _ErrorMessageEEPROM[EEPROM_MaxError] = { static std::string _ErrorMessageEEPROM[EEPROM_MaxError] = {
"", "",
"Bad chip address", "Bad chip address",
"I2C error (nack)", "I2C error (nack)",
"Invalid parameter", "Invalid parameter",
"Data address out of range", "Data address out of range",
"Memory allocation error" "Memory allocation error"
}; };
/** EEPROM Class /** EEPROM Class
*/ */
class EEPROM { class EEPROM {
public: public:
enum TypeEeprom {T24C01=128,T24C02=256,T24C04=512,T24C08=1024,T24C16=2048, enum TypeEeprom {
T24C32=4096,T24C64=8192,T24C128=16384,T24C256=32768, T24C01 = 128, T24C02 = 256, T24C04 = 512, T24C08 = 1024, T24C16 = 2048,
T24C512=65536,T24C1024=131072,T24C1025=131073} Type; T24C32 = 4096, T24C64 = 8192, T24C128 = 16384, T24C256 = 32768,
T24C512 = 65536, T24C1024 = 131072, T24C1025 = 131073
} Type;
/** /**
* Constructor, initialize the eeprom on i2c interface. * Constructor, initialize the eeprom on i2c interface.
* @param sda sda i2c pin (PinName) * @param sda sda i2c pin (PinName)
@@ -45,39 +47,39 @@ public:
* @return none * @return none
*/ */
EEPROM(PinName sda, PinName scl, uint8_t address, TypeEeprom type); EEPROM(PinName sda, PinName scl, uint8_t address, TypeEeprom type);
/** /**
* Random read byte * Random read byte
* @param address start address (uint32_t) * @param address start address (uint32_t)
* @param data byte to read (int8_t&) * @param data byte to read (int8_t&)
* @return none * @return none
*/ */
void read(uint32_t address, int8_t& data); void read(uint32_t address, int8_t &data);
/** /**
* Random read short * Random read short
* @param address start address (uint32_t) * @param address start address (uint32_t)
* @param data short to read (int16_t&) * @param data short to read (int16_t&)
* @return none * @return none
*/ */
void read(uint32_t address, int16_t& data); void read(uint32_t address, int16_t &data);
/** /**
* Random read long * Random read long
* @param address start address (uint32_t) * @param address start address (uint32_t)
* @param data long to read (int32_t&) * @param data long to read (int32_t&)
* @return none * @return none
*/ */
void read(uint32_t address, int32_t& data); void read(uint32_t address, int32_t &data);
/** /**
* Random read float * Random read float
* @param address start address (uint32_t) * @param address start address (uint32_t)
* @param data float to read (float&) * @param data float to read (float&)
* @return none * @return none
*/ */
void read(uint32_t address, float& data); void read(uint32_t address, float &data);
/** /**
* Random read anything * Random read anything
* @param address start address (uint32_t) * @param address start address (uint32_t)
@@ -86,14 +88,14 @@ public:
* @return none * @return none
*/ */
void read(uint32_t address, void *data, uint32_t size); void read(uint32_t address, void *data, uint32_t size);
/** /**
* Current address read byte * Current address read byte
* @param data byte to read (int8_t&) * @param data byte to read (int8_t&)
* @return none * @return none
*/ */
void read(int8_t& data); void read(int8_t &data);
/** /**
* Sequential read byte * Sequential read byte
* @param address start address (uint32_t) * @param address start address (uint32_t)
@@ -102,7 +104,7 @@ public:
* @return none * @return none
*/ */
void read(uint32_t address, int8_t *data, uint32_t size); void read(uint32_t address, int8_t *data, uint32_t size);
/** /**
* Write byte * Write byte
* @param address start address (uint32_t) * @param address start address (uint32_t)
@@ -110,7 +112,7 @@ public:
* @return none * @return none
*/ */
void write(uint32_t address, int8_t data); void write(uint32_t address, int8_t data);
/** /**
* Write short * Write short
* @param address start address (uint32_t) * @param address start address (uint32_t)
@@ -118,7 +120,7 @@ public:
* @return none * @return none
*/ */
void write(uint32_t address, int16_t data); void write(uint32_t address, int16_t data);
/** /**
* Write long * Write long
* @param address start address (uint32_t) * @param address start address (uint32_t)
@@ -126,7 +128,7 @@ public:
* @return none * @return none
*/ */
void write(uint32_t address, int32_t data); void write(uint32_t address, int32_t data);
/** /**
* Write float * Write float
* @param address start address (uint32_t) * @param address start address (uint32_t)
@@ -134,7 +136,7 @@ public:
* @return none * @return none
*/ */
void write(uint32_t address, float data); void write(uint32_t address, float data);
/** /**
* Write anything (use the page write mode) * Write anything (use the page write mode)
* @param address start address (uint32_t) * @param address start address (uint32_t)
@@ -143,7 +145,7 @@ public:
* @return none * @return none
*/ */
void write(uint32_t address, void *data, uint32_t size); void write(uint32_t address, void *data, uint32_t size);
/** /**
* Write array of bytes (use the page mode) * Write array of bytes (use the page mode)
* @param address start address (uint32_t) * @param address start address (uint32_t)
@@ -151,53 +153,52 @@ public:
* @param size number of bytes to write (uint32_t) * @param size number of bytes to write (uint32_t)
* @return none * @return none
*/ */
void write(uint32_t address, int8_t data[], uint32_t size); void write(uint32_t address, const int8_t data[], uint32_t size);
/** /**
* Wait eeprom ready * Wait eeprom ready
* @param none * @param none
* @return none * @return none
*/ */
void ready(void); void ready();
/** /**
* Get eeprom size in bytes * Get eeprom size in bytes
* @param none * @param none
* @return size in bytes (uint32_t) * @return size in bytes (uint32_t)
*/ */
uint32_t getSize(void); uint32_t getSize();
/** /**
* Get eeprom name * Get eeprom name
* @param none * @param none
* @return name (const char*) * @return name (const char*)
*/ */
const char* getName(void); const char *getName();
/** /**
* Clear eeprom (write with 0) * Clear eeprom (write with 0)
* @param none * @param none
* @return none * @return none
*/ */
void clear(void); void clear();
/** /**
* Get the current error number (EEPROM_NoError if no error) * Get the current error number (EEPROM_NoError if no error)
* @param none * @param none
* @return none * @return none
*/ */
uint8_t getError(void); uint8_t getError();
/** /**
* Get current error message * Get current error message
* @param none * @param none
* @return current error message(std::string) * @return current error message(std::string)
*/ */
std::string getErrorMessage(void) std::string getErrorMessage(void) const {
{ return (_ErrorMessageEEPROM[_errnum]);
return(_ErrorMessageEEPROM[_errnum]);
} }
//---------- local variables ---------- //---------- local variables ----------
private: private:
I2C _i2c; // Local i2c communication interface instance I2C _i2c; // Local i2c communication interface instance
@@ -208,7 +209,8 @@ private:
uint8_t _page_number; // Number of page uint8_t _page_number; // Number of page
uint32_t _size; // Size in bytes uint32_t _size; // Size in bytes
bool checkAddress(uint32_t address); // Check address range bool checkAddress(uint32_t address); // Check address range
static const char * const _name[]; // eeprom name static const char *const _name[]; // eeprom name
//------------------------------------- //-------------------------------------
}; };
#endif #endif