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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.nativemidi.cts;
     18 
     19 public class NativeMidiMessage {
     20     public static final int AMIDI_PACKET_SIZE = 1024;
     21     public static final int AMIDI_PACKET_OVERHEAD = 9;
     22     public static final int AMIDI_BUFFER_SIZE = AMIDI_PACKET_SIZE - AMIDI_PACKET_OVERHEAD;
     23 
     24     public int opcode;
     25     public byte[] buffer = new byte[AMIDI_BUFFER_SIZE];
     26     public int len;
     27     public long timestamp;
     28     public long timeReceived;
     29 
     30     public NativeMidiMessage() {}
     31 
     32     public String toString() {
     33         StringBuilder sb = new StringBuilder();
     34         sb.append("{opcode:" + opcode + " [len:" + len + "|");
     35         for(int index = 0; index < len; index++) {
     36             sb.append("0x" + Integer.toHexString(buffer[index] & 0x00FF));
     37             if (index < len - 1) {
     38                 sb.append(" ");
     39             }
     40         }
     41         sb.append("] timestamp:" + Long.toHexString(timestamp));
     42 
     43         return sb.toString();
     44     }
     45 
     46 }