uint32_t le32toh (uint8_t *data);
uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits);
void rol(uint8_t *data, const size_t len);
uint32_t le32toh (uint8_t *data);
uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits);
void rol(uint8_t *data, const size_t len);