ESP_BME280_To_Abmient.ino

//
//  Storageを読み込む。もしCRCが不一致なら初期化
//
bool readStorageAndInitIfNeeded() {
  bool ok = system_rtc_mem_read(kOffset_CRC, &storage, sizeof(storage));
  if (!ok) {
    Serial.println("readStorageAndInitIfNeeded : mem_read fail");
    return ok;
  }

  int crc = calcCRC();
  Serial.print("crc = ");
  Serial.print(crc, HEX);
  Serial.print(", stored crc = ");
  Serial.println(storage.crc, HEX);
  if (crc != storage.crc) {
    Serial.println("crc mismatch");
    memset(storage.uni.buffer, 0, sizeof(storage.uni.buffer));
    storage.uni.datas.counter    = 0;
    storage.uni.datas.nextAdjust = 0;
    crc = calcCRC();
    Serial.print("new crc = ");
    Serial.println(crc, HEX);
    storage.crc = crc;
    ok = system_rtc_mem_write(kOffset_CRC, &storage, sizeof(storage));
    if (!ok) {
      Serial.println("readStorageAndInitIfNeeded : write fail");
    }
  }

  Serial.print("read counter = ");
  Serial.println(storage.uni.datas.counter);

  return ok;
}


bool writeStorage() {
  storage.crc = calcCRC();
  bool ok = system_rtc_mem_write(kOffset_CRC, &storage, sizeof(storage));
  if (!ok) {
    Serial.println("Error : writeStorage : system_rtc_mem_write fail");
  }

  return ok;
}