--- /dev/null
+/**
+ * \brief
+ * Making data logs.
+ */
+
+#ifndef LOGS
+#define LOGS
+
+struct rpi_state;
+
+/*
+ * \brief
+ * Makes log.
+ */
+void makeLog(struct rpi_state*);
+
+/*
+ * \brief
+ * Free logs memory.
+ */
+void freeLogs(struct rpi_state*);
+
+/*
+ * \brief
+ * Save logs to text file.
+ */
+void saveLogs(struct rpi_state*);
+
+#endif /*LOGS*/