QSPI EEPROM for SAMD51 (#17292)

This commit is contained in:
Giuliano Zaro
2020-03-27 23:29:17 +01:00
committed by GitHub
parent 3655e240f5
commit 129b270628
41 changed files with 413 additions and 179 deletions

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@ -27,7 +27,7 @@
#if BOTH(EEPROM_SETTINGS, FLASH_EEPROM_EMULATION)
#include "../shared/persistent_store_api.h"
#include "../shared/eeprom_api.h"
// Only STM32F4 can support wear leveling at this time

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@ -24,9 +24,9 @@
#include "../../inc/MarlinConfig.h"
#if EITHER(USE_REAL_EEPROM, SRAM_EEPROM_EMULATION)
#if EITHER(USE_WIRED_EEPROM, SRAM_EEPROM_EMULATION)
#include "../shared/persistent_store_api.h"
#include "../shared/eeprom_api.h"
bool PersistentStore::access_start() {
return true;
@ -41,7 +41,7 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
uint8_t v = *value;
// Save to either external EEPROM, program flash or Backup SRAM
#if USE_REAL_EEPROM
#if USE_WIRED_EEPROM
// EEPROM has only ~100,000 write cycles,
// so only write bytes that have changed!
uint8_t * const p = (uint8_t * const)pos;
@ -68,7 +68,7 @@ bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t
do {
// Read from either external EEPROM, program flash or Backup SRAM
const uint8_t c = (
#if USE_REAL_EEPROM
#if USE_WIRED_EEPROM
eeprom_read_byte((uint8_t*)pos)
#else
(*(__IO uint8_t *)(BKPSRAM_BASE + ((uint8_t*)pos)))
@ -85,7 +85,7 @@ bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t
size_t PersistentStore::capacity() {
return (
#if USE_REAL_EEPROM
#if USE_WIRED_EEPROM
E2END + 1
#else
4096 // 4kB
@ -93,5 +93,5 @@ size_t PersistentStore::capacity() {
);
}
#endif // USE_REAL_EEPROM || SRAM_EEPROM_EMULATION
#endif // USE_WIRED_EEPROM || SRAM_EEPROM_EMULATION
#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC

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@ -30,7 +30,7 @@
#if ENABLED(SDCARD_EEPROM_EMULATION)
#include "../shared/persistent_store_api.h"
#include "../shared/eeprom_api.h"
#ifndef E2END
#define E2END 0xFFF // 4KB

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@ -22,6 +22,6 @@
#pragma once
// If no real EEPROM, Flash emulation, or SRAM emulation is available fall back to SD emulation
#if ENABLED(EEPROM_SETTINGS) && NONE(USE_REAL_EEPROM, FLASH_EEPROM_EMULATION, SRAM_EEPROM_EMULATION)
#if ENABLED(EEPROM_SETTINGS) && NONE(USE_WIRED_EEPROM, FLASH_EEPROM_EMULATION, SRAM_EEPROM_EMULATION)
#define SDCARD_EEPROM_EMULATION
#endif