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A fork of https://github.com/crosspoint-reader/crosspoint-reader
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2.7 kB · 98 lines
C++
at master
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899#include "CrossPointState.h"
#include <HalStorage.h>#include <JsonSettingsIO.h>#include <Logging.h>#include <Serialization.h>
#include <algorithm>
namespace {constexpr uint8_t STATE_FILE_VERSION = 4;constexpr char STATE_FILE_BIN[] = "/.crosspoint/state.bin";constexpr char STATE_FILE_JSON[] = "/.crosspoint/state.json";constexpr char STATE_FILE_BAK[] = "/.crosspoint/state.bin.bak";} // namespace
CrossPointState CrossPointState::instance;
bool CrossPointState::isRecentSleep(uint16_t idx, uint8_t checkCount) const { const uint8_t effectiveCount = std::min(checkCount, recentSleepFill); for (uint8_t i = 0; i < effectiveCount; i++) { const uint8_t slot = (recentSleepPos + SLEEP_RECENT_COUNT - 1 - i) % SLEEP_RECENT_COUNT; if (recentSleepImages[slot] == idx) return true; } return false;}
void CrossPointState::pushRecentSleep(uint16_t idx) { recentSleepImages[recentSleepPos] = idx; recentSleepPos = (recentSleepPos + 1) % SLEEP_RECENT_COUNT; if (recentSleepFill < SLEEP_RECENT_COUNT) recentSleepFill++;}
bool CrossPointState::saveToFile() const { Storage.mkdir("/.crosspoint"); return JsonSettingsIO::saveState(*this, STATE_FILE_JSON);}
bool CrossPointState::loadFromFile() { // Try JSON first if (Storage.exists(STATE_FILE_JSON)) { String json = Storage.readFile(STATE_FILE_JSON); if (!json.isEmpty()) { return JsonSettingsIO::loadState(*this, json.c_str()); } }
// Fall back to binary migration if (Storage.exists(STATE_FILE_BIN)) { if (loadFromBinaryFile()) { if (saveToFile()) { Storage.rename(STATE_FILE_BIN, STATE_FILE_BAK); LOG_DBG("CPS", "Migrated state.bin to state.json"); return true; } else { LOG_ERR("CPS", "Failed to save state during migration"); return false; } } }
return false;}
bool CrossPointState::loadFromBinaryFile() { FsFile inputFile; if (!Storage.openFileForRead("CPS", STATE_FILE_BIN, inputFile)) { return false; }
uint8_t version; serialization::readPod(inputFile, version); if (version > STATE_FILE_VERSION) { LOG_ERR("CPS", "Deserialization failed: Unknown version %u", version); return false; }
serialization::readString(inputFile, openEpubPath); if (version >= 2) { uint8_t legacyLastSleep = UINT8_MAX; serialization::readPod(inputFile, legacyLastSleep); if (legacyLastSleep != UINT8_MAX) { pushRecentSleep(static_cast<uint16_t>(legacyLastSleep)); } }
if (version >= 3) { serialization::readPod(inputFile, readerActivityLoadCount); }
if (version >= 4) { serialization::readPod(inputFile, lastSleepFromReader); } else { lastSleepFromReader = false; }
return true;}