From 1a2b07f01ba4616fd9e894dddf474b56d020158c Mon Sep 17 00:00:00 2001 From: zhubaomin <zhubaomin> Date: 星期一, 07 四月 2025 15:18:51 +0800 Subject: [PATCH] 整理版本 --- pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/CRC8_for_2_0.java | 37 +++++++++++++++++++++++++++++++++++++ 1 files changed, 37 insertions(+), 0 deletions(-) diff --git a/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/CRC8_for_2_0.java b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/CRC8_for_2_0.java new file mode 100644 index 0000000..1e8ba6b --- /dev/null +++ b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/CRC8_for_2_0.java @@ -0,0 +1,37 @@ +package com.dy.common.util; + +@SuppressWarnings("unused") +public class CRC8_for_2_0 { + + @SuppressWarnings("unused") +// public int CRC8(byte[] b, int from , int end){ +// int crc = 0; +// for(int i = from ; i <= end ; i++){ +// crc = crc ^ (b[i]); +// for(int j = 0; j < 8; j++) { +// if((crc & 0x80)!=0) { +// crc ^= 0xe5; +// } +// crc *= 2; +// } +// } +// return crc; +// } + + public int CRC8(byte[] b, int from , int end){ + int crc = 0; + for(int i = from ; i <= end ; i++){ + crc = crc ^ (b[i]); + for(int j = 0; j < 8; j++) { + if((crc & 0x80)!=0) { + crc *= 2; + crc ^= 0xe5; + }else{ + crc *= 2; + } + } + } + return crc; + } + +} \ No newline at end of file -- Gitblit v1.8.0