#define BUTTON_DOUBLE_CLICK -2
#define BUTTON_ERROR -99
+uint32_t SwapBits(uint32_t value, int nrbits);
void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
uint64_t bytes_to_num(uint8_t* src, size_t len);
void StartTickCount();
uint32_t RAMFUNC GetTickCount();
+void StartCountUS();
+uint32_t RAMFUNC GetCountUS();
+uint32_t RAMFUNC GetDeltaCountUS();
+
#endif