--- /dev/null
+#ifndef PERCNT2_H_
+#define PERCNT2_H_
+
+#include <stdint.h>
+
+
+#define PERCNT_OK 0
+#define PERCNT_ERROR 1
+#define PERCNT_HAVYERROR 2
+#define PERCNT_INITERROR 23
+#define PERCNT_STRANGEERROR 42
+
+void percnt_reset(uint8_t counter);
+uint32_t percnt_get(uint8_t counter);
+uint8_t percnt_inc(uint8_t counter);
+uint8_t percnt_init(uint8_t counter);
+
+#endif /*PERCNT2_H_*/