| // Copyright 2022 The Pigweed Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| |
| package dev.pigweed.pw_hdlc; |
| |
| /** Constants shared between Encoder and Decoder */ |
| public final class Protocol { |
| static final byte UNNUMBERED_INFORMATION = 0x03; |
| static final byte FLAG = 0x7E; |
| static final byte ESCAPE = 0x7D; |
| static final byte[] ESCAPED_FLAG = {ESCAPE, 0x5E}; |
| static final byte[] ESCAPED_ESCAPE = {ESCAPE, 0x5D}; |
| static final byte ESCAPE_CONSTANT = 0x20; |
| |
| private Protocol() {} |
| } |