autumn/jsowell-charger-web
1
0
Fork 0
mirror of https://codeup.aliyun.com/67c68d4e484ca2f0a13ac3c1/ydc/jsowell-charger-web.git synced 2026-04-20 11:05:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

update 电单车协议

Browse Source
This commit is contained in:
Guoqs
2024-08-15 08:56:59 +08:00
parent 1929d62176
commit c6efbab693
1 changed files with 53 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
jsowell-netty/src/main/java/com/jsowell/netty/domain/ChargingPileMessage.java
View File

@@ -1,5 +1,6 @@
package com.jsowell.netty.domain;
import com.jsowell.common.YouDianUtils;
import com.jsowell.common.util.BytesUtil;
import lombok.AllArgsConstructor;
import lombok.Builder;
@@ -39,51 +40,65 @@ public class ChargingPileMessage {
.toString();
}
// 从字节数组解析消息
public static ChargingPileMessage parseMessage(byte[] messageBytes) {
if (messageBytes == null || messageBytes.length < 14 || messageBytes.length > 256) {
throw new IllegalArgumentException("Invalid message bytes");
}
ChargingPileMessage message = new ChargingPileMessage();
// log.info("parseMessage:{}", BytesUtil.binary(messageBytes, 16));
// 读取包头
byte[] headerBytes = Arrays.copyOfRange(messageBytes, 0, 3);
String header = new String(headerBytes, StandardCharsets.UTF_8);
message.setHeader(header);
// System.out.println("包头:" + header);
// 读取长度
byte[] lengthBytes = {messageBytes[3], messageBytes[4]};
int length = BytesUtil.bytesToIntLittle(lengthBytes);
message.setLength(length);
// System.out.println("长度:" + length);
try {
// 读取包头
byte[] headerBytes = Arrays.copyOfRange(messageBytes, 0, 3);
String header = new String(headerBytes, StandardCharsets.UTF_8);
message.setHeader(header);
// 读取物理ID
byte[] physicalIdBytes = Arrays.copyOfRange(messageBytes, 5, 9);
int physicalId = BytesUtil.bytesToIntLittle(physicalIdBytes);
message.setPhysicalId(physicalId);
// System.out.println("物理ID:" + physicalId);
// 读取长度
byte[] lengthBytes = Arrays.copyOfRange(messageBytes, 3, 5);
int length = BytesUtil.bytesToIntLittle(lengthBytes);
message.setLength(length);
// 读取消息ID
byte[] messageIdBytes = {messageBytes[9], messageBytes[10]};
int messageId = BytesUtil.bytesToIntLittle(messageIdBytes);
message.setMessageId(messageId);
// System.out.println("消息ID:" + messageId);
// 验证长度
if (length != (messageBytes.length - 5)) {
throw new IllegalArgumentException("Invalid message length");
}
// 读取命令
byte command = messageBytes[11];
message.setCommand(BytesUtil.bcd2StrLittle(new byte[] {command}));
// System.out.println("命令:" + BytesUtil.bcd2StrLittle(new byte[] {command}));
// 读取物理ID
byte[] physicalIdBytes = Arrays.copyOfRange(messageBytes, 5, 9);
int physicalId = BytesUtil.bytesToIntLittle(physicalIdBytes);
message.setPhysicalId(physicalId);
// 读取数据
byte[] dataBytes = Arrays.copyOfRange(messageBytes, 12, messageBytes.length - 2);
message.setData(dataBytes);
String data = BytesUtil.bcd2StrLittle(dataBytes);
// System.out.println("数据:" + data);
// 读取消息ID
byte[] messageIdBytes = Arrays.copyOfRange(messageBytes, 9, 11);
int messageId = BytesUtil.bytesToIntLittle(messageIdBytes);
message.setMessageId(messageId);
// 读取校验
byte[] checksumBytes = {messageBytes[messageBytes.length - 2], messageBytes[messageBytes.length - 1]};
int checksum = BytesUtil.bytesToIntLittle(checksumBytes);
message.setChecksum(checksum);
// System.out.println("校验:" + checksum);
log.info("报文:{}, parseMessage:{}", BytesUtil.binary(messageBytes, 16), message.toString());
return message;
// 读取命令
byte commandByte = messageBytes[11];
String command = BytesUtil.bcd2StrLittle(new byte[]{commandByte});
message.setCommand(command);
// 读取数据
byte[] dataBytes = Arrays.copyOfRange(messageBytes, 12, messageBytes.length - 2);
message.setData(dataBytes);
String data = BytesUtil.bcd2StrLittle(dataBytes);
// 读取校验
byte[] checksumBytes = Arrays.copyOfRange(messageBytes, messageBytes.length - 2, messageBytes.length);
int checksum = BytesUtil.bytesToIntLittle(checksumBytes);
message.setChecksum(checksum);
// 校验码验证
if (!YouDianUtils.validateChecksum(messageBytes)) {
throw new IllegalArgumentException("Checksum validation failed");
}
log.info("报文:{}, parseMessage:{}", BytesUtil.binary(messageBytes, 16), message.toString());
return message;
} catch (Exception e) {
log.error("Error parsing message", e);
throw e;
}
}
}