update 电单车协议

jsowell-common/src/main/java/com/jsowell/common/core/domain/ebike/EBikeDataProtocol.java

@@ -0,0 +1,73 @@
+package com.jsowell.common.core.domain.ebike;
+
+import com.google.common.primitives.Bytes;
+import com.jsowell.common.util.BytesUtil;
+import lombok.Data;
+
+/**
+ * 云快充数据模板
+ */
+@Data
+public class EBikeDataProtocol {
+	/**
+	 * 包头 3字节
+	 */
+	private byte[] head;
+
+	/**
+	 * 数据长度 2字节
+	 */
+	private byte[] length;
+
+	/**
+	 * 物理id 4字节
+	 */
+	private byte[] physicalId;
+
+	/**
+	 * 消息id 2字节
+	 */
+	private byte[] messageId;
+
+	/**
+	 * 命令 1字节
+	 */
+	private byte[] command;
+
+	/**
+	 * 消息体 N字节
+	 */
+	private byte[] msgBody;
+
+	/**
+	 * 帧校验域 2字节
+	 */
+	private byte[] checksum;
+
+	public EBikeDataProtocol(byte[] msg) {
+		// 起始标志
+		this.head = BytesUtil.copyBytes(msg, 0, 3);
+		// 数据长度
+		this.length = BytesUtil.copyBytes(msg, 3, 2);
+		// 物理id
+		this.physicalId = BytesUtil.copyBytes(msg, 5, 4);
+		// 消息id
+		this.messageId = BytesUtil.copyBytes(msg, 9, 2);
+		// 命令
+		this.command = BytesUtil.copyBytes(msg, 11, 1);
+		// 消息体
+		this.msgBody = BytesUtil.copyBytes(msg, 12, msg.length - 14);
+		// 帧校验域
+		this.checksum = new byte[]{msg[msg.length - 2], msg[msg.length - 1]};
+	}
+
+	/**
+	 * 转换为十六进制字符串
+	 *
+	 * @return 报文
+	 */
+	public String getHEXString() {
+		byte[] bytes = Bytes.concat(this.head, this.length, this.physicalId, this.messageId, this.command, this.msgBody, this.checksum);
+		return BytesUtil.binary(bytes, 16);
+	}
+}