From e29b2f68e2062688c2d40209ba434e3e7932b92e Mon Sep 17 00:00:00 2001
From: liurunyu <lry9898@163.com>
Date: 星期一, 02 十二月 2024 16:09:03 +0800
Subject: [PATCH] 修改升级数据中的CRC16验证算法，注意其是大端模块，与其他部分不一样
---
pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/mw/protocol/p206V1/parse/global/GlCreate.java | 16 ++++++++++------
1 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/mw/protocol/p206V1/parse/global/GlCreate.java b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/mw/protocol/p206V1/parse/global/GlCreate.java
index 634534a..2e4b312 100644
--- a/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/mw/protocol/p206V1/parse/global/GlCreate.java
+++ b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/mw/protocol/p206V1/parse/global/GlCreate.java
@@ -54,12 +54,13 @@
public static void createLen4PUg(byte[] bytes) throws Exception {
int len = bytes.length - 4;
- byte[] bs = ByteUtil.int2BCD_LE(len) ;
+ byte[] bs = ByteUtil.short2Bytes_LE((short)len) ;
if(bs != null && bs.length == 1){
- bytes[1] = bs[0] ;
+ bytes[1] = 0 ;
+ bytes[2] = bs[0] ;
}else if(bs != null && bs.length > 1){
- bytes[1] = bs[0] ;
- bytes[2] = bs[1] ;
+ bytes[1] = bs[1] ;
+ bytes[2] = bs[0] ;
}
}
@@ -92,9 +93,12 @@
}
public static byte[] createCrcTail4Ug(byte[] bsNoTail) throws Exception {
- short crc = new CRC16().CRC(bsNoTail, 0, bsNoTail.length -1) ;
+ int crc = new CRC16().CRC16_table(bsNoTail, 0, bsNoTail.length -1) ;
+ byte[] crcBs = new byte[4] ;
+ ByteUtil.int2Bytes_BE(crcBs, crc, 0);
byte[] bytes = new byte[ProtocolConstantV206V1.UG_lenTail] ;
- ByteUtil.short2Bytes_BE(bytes, crc, 0);
+ bytes[0] = crcBs[3] ;
+ bytes[1] = crcBs[4] ;
bytes[2] = ProtocolConstantV206V1.P_Tail_Byte ;
return bytes ;
}
--
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