mirror of
https://github.com/MarlinFirmware/Marlin.git
synced 2025-01-10 19:56:55 +00:00
93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
*
|
|
* Based on Sprinter and grbl.
|
|
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifdef ARDUINO_ARCH_ESP32
|
|
|
|
#include "../../inc/MarlinConfig.h"
|
|
|
|
#if ENABLED(EEPROM_SETTINGS) && DISABLED(FLASH_EEPROM_EMULATION)
|
|
|
|
#include "../shared/persistent_store_api.h"
|
|
|
|
#include "SPIFFS.h"
|
|
#include "FS.h"
|
|
#include "spiffs.h"
|
|
|
|
#define HAL_ESP32_EEPROM_SIZE 4096
|
|
|
|
File eeprom_file;
|
|
|
|
bool PersistentStore::access_start() {
|
|
if (spiffs_initialized) {
|
|
eeprom_file = SPIFFS.open("/eeprom.dat", "r+");
|
|
|
|
size_t file_size = eeprom_file.size();
|
|
if (file_size < HAL_ESP32_EEPROM_SIZE) {
|
|
bool write_ok = eeprom_file.seek(file_size);
|
|
|
|
while (write_ok && file_size < HAL_ESP32_EEPROM_SIZE) {
|
|
write_ok = eeprom_file.write(0xFF) == 1;
|
|
file_size++;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool PersistentStore::access_finish() {
|
|
eeprom_file.close();
|
|
return true;
|
|
}
|
|
|
|
bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
|
|
if (!eeprom_file.seek(pos)) return true; // return true for any error
|
|
if (eeprom_file.write(value, size) != size) return true;
|
|
|
|
crc16(crc, value, size);
|
|
pos += size;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
|
|
if (!eeprom_file.seek(pos)) return true; // return true for any error
|
|
|
|
if (writing) {
|
|
if (eeprom_file.read(value, size) != size) return true;
|
|
crc16(crc, value, size);
|
|
}
|
|
else {
|
|
uint8_t tmp[size];
|
|
if (eeprom_file.read(tmp, size) != size) return true;
|
|
crc16(crc, tmp, size);
|
|
}
|
|
|
|
pos += size;
|
|
|
|
return false;
|
|
}
|
|
|
|
size_t PersistentStore::capacity() { return HAL_ESP32_EEPROM_SIZE; }
|
|
|
|
#endif // EEPROM_SETTINGS
|
|
#endif // ARDUINO_ARCH_ESP32
|