1caad578fc
## Summary * If going to sleep was from the Reader view, wake up to the same book. Otherwise, wakeup to the Home view
63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
#include "CrossPointState.h"
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#include <HardwareSerial.h>
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#include <SDCardManager.h>
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#include <Serialization.h>
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namespace {
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constexpr uint8_t STATE_FILE_VERSION = 4;
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constexpr char STATE_FILE[] = "/.crosspoint/state.bin";
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} // namespace
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CrossPointState CrossPointState::instance;
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bool CrossPointState::saveToFile() const {
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FsFile outputFile;
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if (!SdMan.openFileForWrite("CPS", STATE_FILE, outputFile)) {
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return false;
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}
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serialization::writePod(outputFile, STATE_FILE_VERSION);
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serialization::writeString(outputFile, openEpubPath);
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serialization::writePod(outputFile, lastSleepImage);
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serialization::writePod(outputFile, readerActivityLoadCount);
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serialization::writePod(outputFile, lastSleepFromReader);
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outputFile.close();
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return true;
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}
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bool CrossPointState::loadFromFile() {
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FsFile inputFile;
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if (!SdMan.openFileForRead("CPS", STATE_FILE, inputFile)) {
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return false;
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}
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uint8_t version;
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serialization::readPod(inputFile, version);
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if (version > STATE_FILE_VERSION) {
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Serial.printf("[%lu] [CPS] Deserialization failed: Unknown version %u\n", millis(), version);
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inputFile.close();
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return false;
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}
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serialization::readString(inputFile, openEpubPath);
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if (version >= 2) {
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serialization::readPod(inputFile, lastSleepImage);
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} else {
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lastSleepImage = 0;
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}
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if (version >= 3) {
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serialization::readPod(inputFile, readerActivityLoadCount);
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}
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if (version >= 4) {
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serialization::readPod(inputFile, lastSleepFromReader);
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} else {
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lastSleepFromReader = false;
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}
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inputFile.close();
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return true;
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}
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