code: package com.example.chronocam.atis;
  
  public interface IV_USB {
      public int control_read_16bits(int command, int address);
  
      public int control_read_32bits(int command, int address);
  
      public void control_tranfer_write(int command, int address, int val);
  
      public void control_transfer_write_vector(int command, int val[]);
  
      public void control_transfer_write_data(int command, int address, int index, byte val[]);
  
      public int bulkTransfer(int endpoint, byte data[], int max_size, int timeout);
  }
  