HumitureController.cs
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using log4net;
using System;
using System.Collections.Generic;
using System.IO.Ports;
using System.Linq;
using System.Reflection;
using System.Text;
namespace OnlineStore.Common
{
public class HumitureController
{
public static readonly ILog LOGGER = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public static bool IsRun = false;
public static string serialPort = "";
private static int bautRate = 4800;//波特率
private static Parity parity = Parity.None;//校验位
private static int dataBits = 8;//数据位
private static StopBits stopBits = StopBits.One; //停止位
private static AcSerialBean sb = null;
private static string LogName = "";
public static bool Init(string port)
{
if (IsRun && port.Equals(serialPort))
{
return true;
}
else if (IsRun)
{
Release();
}
LogName = "温湿度传感器[" + port + "]";
if (sb == null)
{
serialPort = port;
sb = new AcSerialBean(serialPort, bautRate, parity, dataBits, stopBits);
}
try
{
if (sb.openPort())
{
IsRun = true;
return true;
}
else
{
LogUtil.error(LOGGER, LogName + "串口打开失败！");
IsRun = false;
return false;
}
}
catch (Exception ex)
{
IsRun = false;
}
return true;
}
/// <summary>
/// 释放资源
/// </summary>
public static void Release()
{
if (sb != null)
{
sb.closePort();
}
IsRun = false;
}
public static ASTemperateParam LastData = new ASTemperateParam(0, 0);
public static ASTemperateParam QueryData()
{
ASTemperateParam param = new ASTemperateParam(0, 0);
List<double> data = queryData();
if (data.Count.Equals(2))
{
param = new ASTemperateParam(data[1], data[0]);
}
LastData = param;
return param;
}
/// <summary>
/// 返回温度和湿度
/// </summary>
/// <returns></returns>
private static List<double> queryData()
{
// 温度计算：
//当温度低于 0 ℃ 时温度数据以补码的形式上传。
//温度：FF9B H(十六进制)= -101 => 温度 = -10.1℃
//湿度计算：
//湿度：292 H(十六进制) = 658 => 湿度 = 65.8 % RH
if (IsRun.Equals(false))
{
return new List<double>();
}
byte[] sendData = new byte[8];
sendData[0] = 0x01;
sendData[1] = 0x03;
sendData[2] = 0x00;
sendData[3] = 0x00;
sendData[4] = 0x00;
sendData[5] = 0x02;
sendData[6] = 0x00;
sendData[7] = 0x00;
sendData = buildCheckData(sendData, sendData.Length-2);
string str = AcSerialBean.byteToHexStr(sendData);
LogUtil.debug("温湿度控制器发送数据：" + str);
byte[] reviceData = new byte[9];
bool isOk = false;
sb.SendCommand(sendData, ref reviceData, 100, out isOk);
return getReviceData(reviceData);
}
private static byte[] buildCheckData(byte[] sendData, int length)
{
ushort pChecksum = 0;
AcSerialBean.CalculateCRC(sendData, length, out pChecksum);
string checkStr = Convert.ToString(pChecksum, 16);
byte[] checkByte = AcSerialBean.StringToByte(checkStr);
if (checkByte.Length == 1)
{
sendData[length] = checkByte[0];
sendData[length + 1] = 0x00;
}
else
{
sendData[length + 1] = checkByte[0];
sendData[length] = checkByte[1];
}
return sendData;
}
private static List<double> getReviceData(byte[] dataArray)
{
List<double> list = new List<double>();
try
{
if (dataArray == null)
{
return list;
}
if (dataArray.Length >= 9)
{
string temp = String.Format("{0:X2}", dataArray[3])+ String.Format("{0:X2}", dataArray[4]);
string hum = String.Format("{0:X2}", dataArray[5]) + String.Format("{0:X2}", dataArray[6]);
double tempV = (double)Convert.ToInt32(temp, 16)/10;
double humV =(double) Convert.ToInt32(hum, 16)/10;
list.Add(tempV);
list.Add(humV);
}
}
catch (Exception ex)
{
LOGGER.Info(LogName + "转换出错：" + ex.ToString());
}
return list;
}
}
}