uint64_t bytes_to_num(uint8_t* src, size_t len);
void rol(uint8_t *data, const size_t len);
void lsl (uint8_t *data, size_t len);
uint64_t bytes_to_num(uint8_t* src, size_t len);
void rol(uint8_t *data, const size_t len);
void lsl (uint8_t *data, size_t len);
extern void WaitTicks(uint32_t ticks);
extern void WaitUS(uint16_t us);
extern void WaitMS(uint16_t ms);
extern void WaitTicks(uint32_t ticks);
extern void WaitUS(uint16_t us);
extern void WaitMS(uint16_t ms);