443 lines
19 KiB
C#
443 lines
19 KiB
C#
|
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Text;
|
|||
|
|
using System.Threading;
|
|||
|
|
using System.Threading.Tasks;
|
|||
|
|
|
|||
|
|
namespace MegaRobo.C00225155.ControlDevices
|
|||
|
|
{
|
|||
|
|
public class HighTemperatureUartHCM
|
|||
|
|
{
|
|||
|
|
#region 协议常量定义
|
|||
|
|
private const byte ST = 0x5E; // 帧头
|
|||
|
|
private const byte HELLO = 0x01; // 握手指令
|
|||
|
|
private const byte RDTEMP = 0x08; // 读取温度
|
|||
|
|
private const byte RDADC = 0x09; // 读取传感器AD
|
|||
|
|
private const byte RDEE = 0x11; // 读取EEPROM
|
|||
|
|
private const byte WREE = 0x12; // 写入EEPROM
|
|||
|
|
private const byte Calb = 0x15; // 校准温度
|
|||
|
|
private const byte SETHOTTEMP = 0x16; // 加热温度控制
|
|||
|
|
private const byte RESPONSE_FLAG = 0x80; // 上传指令标志
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region 校验和计算(协议第6点:前n-1字节之和的低8位)
|
|||
|
|
/// <summary>
|
|||
|
|
/// 计算帧的校验和(核心:前length字节之和的低8位)
|
|||
|
|
/// </summary>
|
|||
|
|
private static byte CalculateChecksum(byte[] data, int length)
|
|||
|
|
{
|
|||
|
|
if (data == null || length <= 0 || length > data.Length)
|
|||
|
|
throw new ArgumentException("校验和计算参数无效");
|
|||
|
|
|
|||
|
|
int sum = 0;
|
|||
|
|
for (int i = 0; i < length; i++)
|
|||
|
|
sum += data[i];
|
|||
|
|
return (byte)(sum & 0xFF); // 取低8位,确保1字节
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region 帧间隔控制(协议1.1g:帧与帧间隔>2ms,用Thread.Sleep确保阻塞)
|
|||
|
|
/// <summary>
|
|||
|
|
/// 帧间隔时间(预留3ms余量,确保符合协议要求)
|
|||
|
|
/// </summary>
|
|||
|
|
private static void AddFrameInterval()
|
|||
|
|
{
|
|||
|
|
Task.Delay(3);
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region 下传指令构建(PC→主控板,严格遵循协议指令格式)
|
|||
|
|
/// <summary>
|
|||
|
|
/// 握手指令(系统开机必发)
|
|||
|
|
/// </summary>
|
|||
|
|
public static byte[] SendHello(byte deviceId = 0)
|
|||
|
|
{
|
|||
|
|
byte[] frame = new byte[5]; // 协议固定帧长5字节
|
|||
|
|
// 帧结构:ST → HELLO(0x01) → 设备ID → LTH=5 → 校验和
|
|||
|
|
frame[0] = ST;
|
|||
|
|
frame[1] = HELLO; // 移除序号或运算,CMD为固定指令码(协议3.1)
|
|||
|
|
frame[2] = deviceId;
|
|||
|
|
frame[3] = 5; // LTH固定为5
|
|||
|
|
frame[4] = CalculateChecksum(frame, 4); // 前4字节求和
|
|||
|
|
|
|||
|
|
AddFrameInterval();
|
|||
|
|
return frame;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 读取温度指令
|
|||
|
|
/// </summary>
|
|||
|
|
public static byte[] SendReadTempRequest(byte deviceId = 0)
|
|||
|
|
{
|
|||
|
|
byte[] frame = new byte[5]; // 协议固定帧长5字节
|
|||
|
|
// 帧结构:ST → RDTEMP(0x08) → 设备ID → LTH=5 → 校验和
|
|||
|
|
frame[0] = ST;
|
|||
|
|
frame[1] = RDTEMP;
|
|||
|
|
frame[2] = deviceId;
|
|||
|
|
frame[3] = 5;
|
|||
|
|
frame[4] = CalculateChecksum(frame, 4);
|
|||
|
|
|
|||
|
|
AddFrameInterval();
|
|||
|
|
return frame;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 读取传感器AD指令
|
|||
|
|
/// </summary>
|
|||
|
|
public static byte[] SendReadAdcRequest(byte deviceId = 0)
|
|||
|
|
{
|
|||
|
|
byte[] frame = new byte[5]; // 协议固定帧长5字节
|
|||
|
|
// 帧结构:ST → RDADC(0x09) → 设备ID → LTH=5 → 校验和
|
|||
|
|
frame[0] = ST;
|
|||
|
|
frame[1] = RDADC;
|
|||
|
|
frame[2] = deviceId;
|
|||
|
|
frame[3] = 5;
|
|||
|
|
frame[4] = CalculateChecksum(frame, 4);
|
|||
|
|
|
|||
|
|
AddFrameInterval();
|
|||
|
|
return frame;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 读取EEPROM指令
|
|||
|
|
/// </summary>
|
|||
|
|
public static byte[] SendReadEepromRequest(byte addrHigh, byte addrMid, byte addrLow, int readLength, byte deviceId = 0)
|
|||
|
|
{
|
|||
|
|
if (readLength < 1)
|
|||
|
|
throw new ArgumentOutOfRangeException(nameof(readLength), "读取长度必须≥1");
|
|||
|
|
|
|||
|
|
int frameLength = 9 + readLength; // 帧长=9(固定段)+ 读取长度(协议3.4)
|
|||
|
|
byte[] frame = new byte[frameLength];
|
|||
|
|
// 帧结构:ST → RDEE(0x11) → 设备ID → LTH=N → 地址高→中→低 → 读取长度 → 校验和
|
|||
|
|
frame[0] = ST;
|
|||
|
|
frame[1] = RDEE;
|
|||
|
|
frame[2] = deviceId;
|
|||
|
|
frame[3] = (byte)frameLength;
|
|||
|
|
frame[4] = addrHigh;
|
|||
|
|
frame[5] = addrMid;
|
|||
|
|
frame[6] = addrLow;
|
|||
|
|
frame[7] = (byte)readLength;
|
|||
|
|
frame[frameLength - 1] = CalculateChecksum(frame, frameLength - 1);
|
|||
|
|
|
|||
|
|
AddFrameInterval();
|
|||
|
|
return frame;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 写入EEPROM指令
|
|||
|
|
/// </summary>
|
|||
|
|
public static byte[] SendWriteEepromRequest(byte addrHigh, byte addrMid, byte addrLow, byte[] writeData, byte deviceId = 0)
|
|||
|
|
{
|
|||
|
|
if (writeData == null || writeData.Length == 0)
|
|||
|
|
throw new ArgumentException("写入数据不能为空", nameof(writeData));
|
|||
|
|
|
|||
|
|
int frameLength = 9 + writeData.Length; // 帧长=9(固定段)+ 数据长度(协议3.5)
|
|||
|
|
byte[] frame = new byte[frameLength];
|
|||
|
|
// 帧结构:ST → WREE(0x12) → 设备ID → LTH=N → 地址高→中→低 → 写入数据 → 校验和
|
|||
|
|
frame[0] = ST;
|
|||
|
|
frame[1] = WREE;
|
|||
|
|
frame[2] = deviceId;
|
|||
|
|
frame[3] = (byte)frameLength;
|
|||
|
|
frame[4] = addrHigh;
|
|||
|
|
frame[5] = addrMid;
|
|||
|
|
frame[6] = addrLow;
|
|||
|
|
Array.Copy(writeData, 0, frame, 7, writeData.Length);
|
|||
|
|
frame[frameLength - 1] = CalculateChecksum(frame, frameLength - 1);
|
|||
|
|
|
|||
|
|
AddFrameInterval();
|
|||
|
|
return frame;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 校准温度指令(设置B值=(实际温度-目标温度)×100)
|
|||
|
|
/// </summary>
|
|||
|
|
public static byte[] SendCalibrateTempRequest(int calibBValue, byte deviceId = 0)
|
|||
|
|
{
|
|||
|
|
if (calibBValue < short.MinValue || calibBValue > short.MaxValue)
|
|||
|
|
throw new ArgumentOutOfRangeException(nameof(calibBValue), "校准B值必须在-32768~32767之间");
|
|||
|
|
|
|||
|
|
byte[] frame = new byte[7]; // 协议固定帧长7字节
|
|||
|
|
short bParam = (short)calibBValue; // 16位有符号数(支持负值)
|
|||
|
|
// 帧结构:ST → Calb(0x15) → 设备ID → LTH=7 → 参数1(高8) → 参数2(低8) → 校验和
|
|||
|
|
frame[0] = ST;
|
|||
|
|
frame[1] = Calb;
|
|||
|
|
frame[2] = deviceId;
|
|||
|
|
frame[3] = 7;
|
|||
|
|
frame[4] = (byte)(bParam >> 8); // 高位在前(协议3.6)
|
|||
|
|
frame[5] = (byte)(bParam & 0xFF);
|
|||
|
|
frame[6] = CalculateChecksum(frame, 6);
|
|||
|
|
|
|||
|
|
AddFrameInterval();
|
|||
|
|
return frame;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 加热温度控制(设置目标温度或释放控制)
|
|||
|
|
/// </summary>
|
|||
|
|
public static byte[] SendSetHotTemp(double targetTemp, byte deviceId = 0, bool releaseControl = false)
|
|||
|
|
{
|
|||
|
|
byte[] frame = new byte[7]; // 协议固定帧长7字节
|
|||
|
|
ushort tempParam;
|
|||
|
|
|
|||
|
|
if (releaseControl)
|
|||
|
|
{
|
|||
|
|
tempParam = 0xFFFF; // 协议约定:释放控制=0xFFFF(关断功率)
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
// 协议范围:室温~100℃(对应室温×100~10000),室温暂以20℃为参考
|
|||
|
|
if (targetTemp < 20.0 || targetTemp > 100.0)
|
|||
|
|
throw new ArgumentOutOfRangeException(nameof(targetTemp), "温度必须在[20.0, 100.0]℃之间(符合协议室温要求)");
|
|||
|
|
tempParam = (ushort)(targetTemp * 100); // 放大100倍(协议3.7)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 帧结构:ST → SETHOTTEMP(0x16) → 设备ID → LTH=7 → 参数1(高8) → 参数2(低8) → 校验和
|
|||
|
|
frame[0] = ST;
|
|||
|
|
frame[1] = SETHOTTEMP;
|
|||
|
|
frame[2] = deviceId;
|
|||
|
|
frame[3] = 7;
|
|||
|
|
frame[4] = (byte)(tempParam >> 8); // 高位在前(协议3.7)
|
|||
|
|
frame[5] = (byte)(tempParam & 0xFF);
|
|||
|
|
frame[6] = CalculateChecksum(frame, 6);
|
|||
|
|
|
|||
|
|
AddFrameInterval();
|
|||
|
|
return frame;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region 指令解析
|
|||
|
|
/// <summary>
|
|||
|
|
/// 解析主控板返回的帧数据(入口方法)
|
|||
|
|
/// </summary>
|
|||
|
|
public static ParseResult ParseReceivedFrame(byte[] receivedFrame)
|
|||
|
|
{
|
|||
|
|
// 基础校验:帧非空、最短帧≥6字节(上传指令最短为握手响应6字节)
|
|||
|
|
if (receivedFrame == null || receivedFrame.Length < 6)
|
|||
|
|
return new ParseResult(false, "无效帧:数据为空或长度不足", null);
|
|||
|
|
|
|||
|
|
// 1. 校验帧头
|
|||
|
|
if (receivedFrame[0] != ST)
|
|||
|
|
return new ParseResult(false, $"帧头错误:实际0x{receivedFrame[0]:X2},期望0x{ST:X2}", null);
|
|||
|
|
|
|||
|
|
// 2. 提取核心字段
|
|||
|
|
byte cmdWithFlag = receivedFrame[1];
|
|||
|
|
byte deviceId = receivedFrame[2];
|
|||
|
|
byte frameLength = receivedFrame[3];
|
|||
|
|
byte checksum = receivedFrame[frameLength - 1];
|
|||
|
|
|
|||
|
|
// 3. 校验帧长(实际长度=帧长字段)
|
|||
|
|
if (receivedFrame.Length != frameLength)
|
|||
|
|
return new ParseResult(false, $"帧长不匹配:实际{receivedFrame.Length}字节,期望{frameLength}字节", null);
|
|||
|
|
|
|||
|
|
// 4. 校验和验证
|
|||
|
|
byte calculatedChecksum = CalculateChecksum(receivedFrame, frameLength - 1);
|
|||
|
|
if (calculatedChecksum != checksum)
|
|||
|
|
return new ParseResult(false, $"校验和错误:实际0x{checksum:X2},计算0x{calculatedChecksum:X2}", null);
|
|||
|
|
|
|||
|
|
// 5. 去除响应标志,获取原始指令码
|
|||
|
|
byte originalCmd = (byte)(cmdWithFlag & ~RESPONSE_FLAG);
|
|||
|
|
|
|||
|
|
// 6. 按指令类型分发解析
|
|||
|
|
switch (originalCmd)
|
|||
|
|
{
|
|||
|
|
case HELLO:
|
|||
|
|
return ParseHelloResponse(receivedFrame, deviceId);
|
|||
|
|
case RDTEMP:
|
|||
|
|
return ParseReadTempResponse(receivedFrame, deviceId);
|
|||
|
|
case RDADC:
|
|||
|
|
return ParseReadAdcResponse(receivedFrame, deviceId);
|
|||
|
|
case RDEE:
|
|||
|
|
return ParseReadEepromResponse(receivedFrame, deviceId);
|
|||
|
|
case WREE:
|
|||
|
|
return ParseWriteEepromResponse(receivedFrame, deviceId);
|
|||
|
|
case Calb:
|
|||
|
|
return ParseCalibrateTempResponse(receivedFrame, deviceId);
|
|||
|
|
case SETHOTTEMP:
|
|||
|
|
return ParseSetHotTempResponse(receivedFrame, deviceId);
|
|||
|
|
default:
|
|||
|
|
return new ParseResult(false, $"未知指令:0x{originalCmd:X2}", null);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#region 各指令解析实现(严格对齐协议响应格式)
|
|||
|
|
/// <summary>
|
|||
|
|
/// 解析握手响应
|
|||
|
|
/// </summary>
|
|||
|
|
private static ParseResult ParseHelloResponse(byte[] frame, byte deviceId)
|
|||
|
|
{
|
|||
|
|
if (frame.Length != 6) // 协议固定响应帧长6字节
|
|||
|
|
return new ParseResult(false, "握手响应帧长错误(需6字节)", null);
|
|||
|
|
|
|||
|
|
byte status = frame[4]; // 状态位(协议3.1)
|
|||
|
|
var data = new Dictionary<string, object>
|
|||
|
|
{
|
|||
|
|
{ "设备ID", deviceId },
|
|||
|
|
{ "状态码", status },
|
|||
|
|
{ "状态描述", status == 0 ? "握手成功" : $"握手失败(错误码:{status})" }
|
|||
|
|
};
|
|||
|
|
return new ParseResult(true, "握手响应解析成功", data);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 解析读取温度响应
|
|||
|
|
/// </summary>
|
|||
|
|
private static ParseResult ParseReadTempResponse(byte[] frame, byte deviceId)
|
|||
|
|
{
|
|||
|
|
if (frame.Length != 0x0D) // 协议固定响应帧长13字节(0x0D)
|
|||
|
|
return new ParseResult(false, $"读取温度响应帧长错误:需13字节,实际{frame.Length}字节", null);
|
|||
|
|
|
|||
|
|
// 提取数据:参数1(设置温度)、参数2(实际温度)、参数3(预留)、标志位、状态位(协议3.2)
|
|||
|
|
ushort setTempParam = (ushort)((frame[4] << 8) | frame[5]); // 高位在前
|
|||
|
|
ushort actualTempParam = (ushort)((frame[6] << 8) | frame[7]); // 高位在前
|
|||
|
|
byte flag = frame[10]; // 预留标志位(NC)
|
|||
|
|
byte status = frame[11];
|
|||
|
|
|
|||
|
|
// 转换为实际温度(除以100,精度0.1℃)
|
|||
|
|
double setTemp = setTempParam / 100.0;
|
|||
|
|
double actualTemp = actualTempParam / 100.0;
|
|||
|
|
|
|||
|
|
var data = new Dictionary<string, object>
|
|||
|
|
{
|
|||
|
|
{ "设备ID", deviceId },
|
|||
|
|
{ "状态码", status },
|
|||
|
|
{ "状态描述", status == 0 ? "读取温度成功" : $"读取失败(错误码:{status})" },
|
|||
|
|
{ "设置温度(℃)", setTemp },
|
|||
|
|
{ "实际温度(℃)", actualTemp },
|
|||
|
|
{ "预留标志位", flag },
|
|||
|
|
{ "原始设置温度参数", $"0x{setTempParam:X4}" },
|
|||
|
|
{ "原始实际温度参数", $"0x{actualTempParam:X4}" }
|
|||
|
|
};
|
|||
|
|
return new ParseResult(true, "读取温度响应解析成功", data);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 解析读取AD响应
|
|||
|
|
/// </summary>
|
|||
|
|
private static ParseResult ParseReadAdcResponse(byte[] frame, byte deviceId)
|
|||
|
|
{
|
|||
|
|
if (frame.Length != 0x0A) // 协议固定响应帧长10字节(0x0A),修正原13字节错误
|
|||
|
|
return new ParseResult(false, $"读取AD响应帧长错误:需10字节,实际{frame.Length}字节", null);
|
|||
|
|
|
|||
|
|
// 提取数据:AD值(5-6字节)、预留(7-8字节)、状态位(9字节)(协议3.3)
|
|||
|
|
ushort adcValue = (ushort)((frame[4] << 8) | frame[5]); // 高位在前
|
|||
|
|
byte status = frame[8];
|
|||
|
|
|
|||
|
|
var data = new Dictionary<string, object>
|
|||
|
|
{
|
|||
|
|
{ "设备ID", deviceId },
|
|||
|
|
{ "状态码", status },
|
|||
|
|
{ "状态描述", status == 0 ? "读取AD成功" : $"读取失败(错误码:{status})" },
|
|||
|
|
{ "AD值", adcValue },
|
|||
|
|
{ "原始AD参数", $"0x{adcValue:X4}" }
|
|||
|
|
};
|
|||
|
|
return new ParseResult(true, "读取AD响应解析成功", data);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 解析读取EEPROM响应
|
|||
|
|
/// </summary>
|
|||
|
|
private static ParseResult ParseReadEepromResponse(byte[] frame, byte deviceId)
|
|||
|
|
{
|
|||
|
|
if (frame.Length < 6) // 协议响应帧长≥6字节
|
|||
|
|
return new ParseResult(false, "读取EEPROM响应帧长不足(需≥6字节)", null);
|
|||
|
|
|
|||
|
|
// 提取数据:参数1~n(5到N-2字节)、状态位(N-2字节)(协议3.4)
|
|||
|
|
int dataLength = frame.Length - 6; // 数据字节数=N-6
|
|||
|
|
byte[] eepromData = new byte[dataLength];
|
|||
|
|
Array.Copy(frame, 4, eepromData, 0, dataLength);
|
|||
|
|
byte status = frame[frame.Length - 2];
|
|||
|
|
|
|||
|
|
var data = new Dictionary<string, object>
|
|||
|
|
{
|
|||
|
|
{ "设备ID", deviceId },
|
|||
|
|
{ "状态码", status },
|
|||
|
|
{ "状态描述", status == 0 ? "读取EEPROM成功" : $"读取失败(错误码:{status})" },
|
|||
|
|
{ "读取数据长度(字节)", dataLength },
|
|||
|
|
{ "读取数据(十六进制)", BitConverter.ToString(eepromData).Replace("-", " ") },
|
|||
|
|
{ "原始数据数组", eepromData }
|
|||
|
|
};
|
|||
|
|
return new ParseResult(true, "读取EEPROM响应解析成功", data);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 解析写入EEPROM响应
|
|||
|
|
/// </summary>
|
|||
|
|
private static ParseResult ParseWriteEepromResponse(byte[] frame, byte deviceId)
|
|||
|
|
{
|
|||
|
|
if (frame.Length != 6) // 协议固定响应帧长6字节
|
|||
|
|
return new ParseResult(false, "写入EEPROM响应帧长错误(需6字节)", null);
|
|||
|
|
|
|||
|
|
byte status = frame[4]; // 状态位(协议3.5)
|
|||
|
|
var data = new Dictionary<string, object>
|
|||
|
|
{
|
|||
|
|
{ "设备ID", deviceId },
|
|||
|
|
{ "状态码", status },
|
|||
|
|
{ "状态描述", status == 0 ? "写入EEPROM成功" : $"写入失败(错误码:{status})" }
|
|||
|
|
};
|
|||
|
|
return new ParseResult(true, "写入EEPROM响应解析成功", data);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 解析校准温度响应
|
|||
|
|
/// </summary>
|
|||
|
|
private static ParseResult ParseCalibrateTempResponse(byte[] frame, byte deviceId)
|
|||
|
|
{
|
|||
|
|
if (frame.Length != 6) // 协议固定响应帧长6字节
|
|||
|
|
return new ParseResult(false, "校准温度响应帧长错误(需6字节)", null);
|
|||
|
|
|
|||
|
|
byte status = frame[4]; // 状态位(协议3.6)
|
|||
|
|
var data = new Dictionary<string, object>
|
|||
|
|
{
|
|||
|
|
{ "设备ID", deviceId },
|
|||
|
|
{ "状态码", status },
|
|||
|
|
{ "状态描述", status == 0 ? "温度校准成功" : $"校准失败(错误码:{status})" }
|
|||
|
|
};
|
|||
|
|
return new ParseResult(true, "校准温度响应解析成功", data);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 解析加热温度控制响应
|
|||
|
|
/// </summary>
|
|||
|
|
private static ParseResult ParseSetHotTempResponse(byte[] frame, byte deviceId)
|
|||
|
|
{
|
|||
|
|
if (frame.Length != 6) // 协议固定响应帧长6字节
|
|||
|
|
return new ParseResult(false, "加热温度响应帧长错误(需6字节)", null);
|
|||
|
|
|
|||
|
|
byte status = frame[4]; // 状态位(协议3.7)
|
|||
|
|
var data = new Dictionary<string, object>
|
|||
|
|
{
|
|||
|
|
{ "设备ID", deviceId },
|
|||
|
|
{ "状态码", status },
|
|||
|
|
{ "状态描述", status == 0 ? "加热温度指令接收成功" : $"接收失败(错误码:{status})" }
|
|||
|
|
};
|
|||
|
|
return new ParseResult(true, "加热温度响应解析成功", data);
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region 预留CRC16校验(协议未使用,保留以备扩展)
|
|||
|
|
public static byte[] CRC16(byte[] data)
|
|||
|
|
{
|
|||
|
|
int len = data.Length;
|
|||
|
|
if (len <= 0)
|
|||
|
|
return new byte[] { 0, 0 };
|
|||
|
|
|
|||
|
|
ushort crc = 0xFFFF;
|
|||
|
|
for (int i = 0; i < len; i++)
|
|||
|
|
{
|
|||
|
|
crc = (ushort)(crc ^ data[i]);
|
|||
|
|
for (int j = 0; j < 8; j++)
|
|||
|
|
{
|
|||
|
|
crc = (crc & 1) != 0 ? (ushort)((crc >> 1) ^ 0xA001) : (ushort)(crc >> 1);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
byte hi = (byte)((crc & 0xFF00) >> 8);
|
|||
|
|
byte lo = (byte)(crc & 0x00FF);
|
|||
|
|
return BitConverter.IsLittleEndian ? new byte[] { lo, hi } : new byte[] { hi, lo };
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|