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update 电单车协议

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Guoqs
2024-08-05 10:35:19 +08:00
parent 7eb9800e27
commit 4f946b31eb
1 changed files with 21 additions and 7 deletions
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28
jsowell-netty/src/main/java/com/jsowell/netty/domain/ChargingPileMessage.java
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@@ -7,6 +7,7 @@ import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
@Slf4j
@@ -26,21 +27,34 @@ public class ChargingPileMessage {
// 从字节数组解析消息
public static ChargingPileMessage parseMessage(byte[] messageBytes) {
log.info("parseMessage:{}", BytesUtil.binary(messageBytes, 16));
String header = new String(Arrays.copyOfRange(messageBytes, 0, 3));
// 读取包头
byte[] headerBytes = Arrays.copyOfRange(messageBytes, 0, 3);
System.out.println(new String(headerBytes, StandardCharsets.UTF_8));
int length = ((messageBytes[3] & 0xFF) << 8) | (messageBytes[4] & 0xFF);
// 读取长度
byte[] lengthBytes = {messageBytes[3], messageBytes[4]};
System.out.println(BytesUtil.bcd2StrLittle(lengthBytes));
int physicalId = ((messageBytes[5] & 0xFF) << 24) | ((messageBytes[6] & 0xFF) << 16) |
((messageBytes[7] & 0xFF) << 8) | (messageBytes[8] & 0xFF);
// 读取物理ID
byte[] physicalIdBytes = Arrays.copyOfRange(messageBytes, 5, 9);
System.out.println(BytesUtil.bcd2StrLittle(physicalIdBytes));
int messageId = ((messageBytes[9] & 0xFF) << 8) | (messageBytes[10] & 0xFF);
// 读取消息ID
byte[] messageIdBytes = {messageBytes[9], messageBytes[10]};
System.out.println(BytesUtil.bcd2StrLittle(messageIdBytes));
// 读取命令
byte command = messageBytes[11];
System.out.println(BytesUtil.bcd2StrLittle(new byte[] {command}));
// 读取数据
byte[] data = Arrays.copyOfRange(messageBytes, 12, messageBytes.length - 2);
System.out.println(BytesUtil.bcd2StrLittle(data));
int checksum = ((messageBytes[messageBytes.length - 2] & 0xFF) << 8) | (messageBytes[messageBytes.length - 1] & 0xFF);
// 读取校验
byte[] checksumBytes = {messageBytes[messageBytes.length - 2], messageBytes[messageBytes.length - 1]};
System.out.println(BytesUtil.bcd2StrLittle(checksumBytes));
return new ChargingPileMessage(header, length, physicalId, messageId, command, data, checksum);
return null;
}
}