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EEPROM_library_ported_Partition_table_updated (#535)

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* EEPROM_library_ported_Partition_table_updated

* Cleanup & formal corrections

* Make formatting of file consistent.

Readability change, Concern about the SubType being 0x99.

* Code formatting cleanup

* Code formatting cleanup

* Code formatting cleanup

* Remove commented out code

* Restore dropped bracket

* Update EEPROM.cpp

* Format Corrections

* deletedExample

* Corrected example

* Deleted interrupts/nointerrupts

* Update EEPROM.cpp
This commit is contained in:
pbecchi
2017-08-01 11:51:38 +02:00
committed by Me No Dev
parent 0accabcee0
commit 706bf48708
6 changed files with 331 additions and 1 deletions
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89
libraries/EEPROM/EEPROM.h Normal file
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/*
EEPROM.h -ported by Paolo Becchi to Esp32
use a one sector flash partition defined in partition table
from esp8266 EEPROM
Copyright (c) 2014 Ivan Grokhotkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef EEPROM_h
#define EEPROM_h
#ifndef EEPROM_FLASH_PARTITION_NAME
#define EEPROM_FLASH_PARTITION_NAME "eeprom"
#endif
extern "C" {
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <esp_partition.h>
}
//
// need to define a flash partition for EEPROM with above name
//
// eeprom , data , 0x99, start address, 0x1000
//
class EEPROMClass {
public:
EEPROMClass(uint32_t sector);
EEPROMClass(void);
bool begin(size_t size);
uint8_t read(int address);
void write(int address, uint8_t val);
bool commit();
void end();
uint8_t * getDataPtr();
template<typename T>
T &get(int address, T &t) {
if (address < 0 || address + sizeof(T) > _size)
return t;
memcpy((uint8_t*) &t, _data + address, sizeof(T));
return t;
}
template<typename T>
const T &put(int address, const T &t) {
if (address < 0 || address + sizeof(T) > _size)
return t;
memcpy(_data + address, (const uint8_t*) &t, sizeof(T));
_dirty = true;
return t;
}
protected:
uint32_t _sector;
uint8_t* _data;
size_t _size;
bool _dirty;
const esp_partition_t * _mypart;
};
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_EEPROM)
extern EEPROMClass EEPROM;
#endif
#endif