88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (c) 2024 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 <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
#include "../../platforms.h"
|
|
|
|
#ifdef __PLAT_RP2040__
|
|
|
|
#include "../../../inc/MarlinConfig.h"
|
|
|
|
#if ENABLED(FLASH_EEPROM_EMULATION)
|
|
|
|
#include "../../shared/eeprom_api.h"
|
|
|
|
// NOTE: The Bigtreetech SKR Pico has an onboard W25Q16 flash module
|
|
|
|
// Use EEPROM.h for compatibility, for now.
|
|
#include <EEPROM.h>
|
|
|
|
static bool eeprom_data_written = false;
|
|
|
|
#ifndef MARLIN_EEPROM_SIZE
|
|
#define MARLIN_EEPROM_SIZE size_t(E2END + 1)
|
|
#endif
|
|
size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
|
|
|
|
bool PersistentStore::access_start() {
|
|
EEPROM.begin(); // Avoid EEPROM.h warning (do nothing)
|
|
eeprom_buffer_fill();
|
|
return true;
|
|
}
|
|
|
|
bool PersistentStore::access_finish() {
|
|
if (eeprom_data_written) {
|
|
TERN_(HAS_PAUSE_SERVO_OUTPUT, PAUSE_SERVO_OUTPUT());
|
|
hal.isr_off();
|
|
eeprom_buffer_flush();
|
|
hal.isr_on();
|
|
TERN_(HAS_PAUSE_SERVO_OUTPUT, RESUME_SERVO_OUTPUT());
|
|
eeprom_data_written = false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
|
|
while (size--) {
|
|
uint8_t v = *value;
|
|
if (v != eeprom_buffered_read_byte(pos)) {
|
|
eeprom_buffered_write_byte(pos, v);
|
|
eeprom_data_written = true;
|
|
}
|
|
crc16(crc, &v, 1);
|
|
pos++;
|
|
value++;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
|
|
do {
|
|
const uint8_t c = eeprom_buffered_read_byte(pos);
|
|
if (writing) *value = c;
|
|
crc16(crc, &c, 1);
|
|
pos++;
|
|
value++;
|
|
} while (--size);
|
|
return false;
|
|
}
|
|
|
|
#endif // FLASH_EEPROM_EMULATION
|
|
#endif // __PLAT_RP2040__
|