const std::string SUMMARY_PERIOD_NAMES_ARRAY[] = {"yearly", "monthly", "daily", "minutely", "secondly"};
const std::string CALCULATION_TYPE_NAMES_ARRAY[] = {"sum", "delta", "min", "max", "mean"};
-#define DEVICE_CONFIG__FILE_NAME "dev_cfg.txt"
+#define DEVICE_CONFIG__FILE_NAME "device_cfg"
#define DEVICE_CONFIG__SECTION_TYPE "device"
#define DEVICE_CONFIG__SECTION_NAME "base_data"
#define DEVICE_CONFIG_VALUE_KEY__TYPE "type"