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feat(wio-tracker-l2): internal flash as LittleFS instead of SPIFFS

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helpers/esp32/InternalFS.h picks the filesystem: -D ESP32_LITTLEFS mounts
LittleFS on the same "spiffs" partition, otherwise SPIFFS as before. Only the
L2 LVGL envs set it; every other ESP32 board is unchanged. A settings save
drops from ~0.5 s to ~80 ms and the files survive power loss mid-write.
No migration: the first boot formats the partition (fresh identity).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-09-28 15:47:57 +02:00
co-authored by Claude Opus 5.5
parent 063f81e1df
commit cf9ffc29b0
6 changed files with 33 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/companion_radio/DataStore.cpp
+4 -4
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@@ -81,7 +81,7 @@ void DataStore::begin() {
}
#if defined(ESP32)
#include <SPIFFS.h>
#include <helpers/esp32/InternalFS.h>
#include <nvs_flash.h>
#elif defined(RP2040_PLATFORM)
#include <LittleFS.h>
@@ -119,7 +119,7 @@ lfs_ssize_t _getLfsUsedBlockCount(FILESYSTEM* fs) {
uint32_t DataStore::getStorageUsedKb() const {
#if defined(ESP32)
return SPIFFS.usedBytes() / 1024;
return ESP32_FS.usedBytes() / 1024;
#elif defined(RP2040_PLATFORM)
FSInfo info;
info.usedBytes = 0;
@@ -137,7 +137,7 @@ uint32_t DataStore::getStorageUsedKb() const {
uint32_t DataStore::getStorageTotalKb() const {
#if defined(ESP32)
return SPIFFS.totalBytes() / 1024;
return ESP32_FS.totalBytes() / 1024;
#elif defined(RP2040_PLATFORM)
FSInfo info;
info.totalBytes = 0;
@@ -198,7 +198,7 @@ bool DataStore::formatFileSystem() {
#elif defined(RP2040_PLATFORM)
return LittleFS.format();
#elif defined(ESP32)
bool fs_success = ((fs::SPIFFSFS *)_fs)->format();
bool fs_success = ((ESP32_FS_CLASS *)_fs)->format();
esp_err_t nvs_err = nvs_flash_erase(); // no need to reinit, will be done by reboot
return fs_success && (nvs_err == ESP_OK);
#elif defined(SIM_PLATFORM)
examples/companion_radio/MyMesh.h
+1 -1
View File
@@ -37,7 +37,7 @@ class UITask;
#elif defined(RP2040_PLATFORM)
#include <LittleFS.h>
#elif defined(ESP32)
#include <SPIFFS.h>
#include <helpers/esp32/InternalFS.h>
#endif
#include "DataStore.h"
examples/companion_radio/main.cpp
+3 -3
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@@ -54,8 +54,8 @@ static uint32_t _atoi(const char* sp) {
#include <LittleFS.h>
DataStore store(LittleFS, rtc_clock);
#elif defined(ESP32)
#include <SPIFFS.h>
DataStore store(SPIFFS, rtc_clock);
#include <helpers/esp32/InternalFS.h>
DataStore store(ESP32_FS, rtc_clock);
#elif defined(SIM_PLATFORM)
#include <SimFS.h>
// Real files under ./sim_data/ (relative to the process's cwd) so
@@ -271,7 +271,7 @@ void setup() {
#endif
the_mesh.startInterface(serial_interface);
#elif defined(ESP32)
SPIFFS.begin(true);
ESP32_FS.begin(true);
store.begin();
the_mesh.begin();
resolveBLEPin(
examples/companion_radio/ui-lvgl/LvglPort.h
+7 -3
View File
@@ -12,7 +12,7 @@
#include <HTTPClient.h>
#include <WiFiClientSecure.h>
#include <Preferences.h>
#include <SPIFFS.h>
#include <helpers/esp32/InternalFS.h>
#include <esp_heap_caps.h>
#include <esp_system.h>
#include <esp_core_dump.h>
@@ -262,10 +262,14 @@ static bool crashSummary(char* out, size_t n) {
#endif
}
// The internal flash file system (contacts, channels, settings, trail...).
#ifdef ESP32_LITTLEFS
static const char* const FLASH_ROOT = "/littlefs";
#else
static const char* const FLASH_ROOT = "/spiffs";
#endif
static bool flashInfo(uint64_t& total, uint64_t& used) {
total = SPIFFS.totalBytes();
used = SPIFFS.usedBytes();
total = ESP32_FS.totalBytes();
used = ESP32_FS.usedBytes();
return total > 0;
}