public ReceiveData Receive()
{
ReceiveData ir = new ReceiveData();
byte[] rcvBytes = new byte[1024];
int bytes = _socket.Receive(rcvBytes, rcvBytes.Length, 0);
ir.RcvBytes = rcvBytes;
ir.RcvLen = bytes;
ir.TimeStamp = GetTimeStamp();
return ir;
}
public ReceiveData Receive()
{
ReceiveData ir = new ReceiveData();
byte[] rcvBytes = new byte[1024];
int bytes = _socket.Receive(rcvBytes, rcvBytes.Length, 0);
ir.RcvBytes = rcvBytes;
ir.RcvLen = bytes;
ir.TimeStamp = GetTimeStamp();
return(ir);
}
public static string GetReportString(ReceiveData inquiryResult, ModbusDeviceInfo deviceInfo, out float fValue)
{
string reportStr = "";
fValue = 0;
List<DataUnitInfo> dataInfoList = ElectricMeterDataSetting.GetElectricMeterDataSetting();
int total_flg = 0; // 数据库表中用以标识该电表是否为"总表"的标志, 如果是总表, 那么不在表示用电量占比的饼图和柱状图中显示其用电量;
if (-1 != deviceInfo.DeviceName.IndexOf(@"总表"))
{
total_flg = 1;
}
foreach (var dataInfo in dataInfoList)
{
// -5是因为要去掉前面三个字节(分别是设备码， 操作码03， 和读的长度)和最后两个字节(CRC校验)
if (dataInfo.Offset < inquiryResult.RcvLen - 5 - 1)
{
string dataStr = "0x";
// 越过前面三个字节
int idx = dataInfo.Offset + 3;
for (int i = 0; i < dataInfo.Length; i++)
{
dataStr += string.Format("{0:X}", inquiryResult.RcvBytes[idx]).PadLeft(2, '0');
idx++;
}
UInt32 val;
try
{
val = Convert.ToUInt32(dataStr, 16);
dataInfo.Value = val;
reportStr += ", " + val.ToString();
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.ToString());
}
}
}
// 现在只把"正向(吸收)有功电能"即耗电量, 存到数据库表里
string[] arr = reportStr.Split(',');
string valueStr = arr[arr.Length - 4].Trim();
int iValue;
if (!int.TryParse(valueStr, out iValue))
{
return null;
}
// 读数值要乘以放大倍率
float value = iValue * deviceInfo.Magnification;
// 然后还要除以量纲得到浮点型小数值
fValue = value / deviceInfo.Magnitude;
// 加上校正值进行校正调整得到最终的用电量
float realVal = fValue + deviceInfo.Adjustment;
// 电表的设备种类编码是001
string deviceTypeStr = "001";
// 3位服务区编号 + 3位采集点位置编号 + 3位设备种类编号 + 3位设备地址 = 12位设备编号唯一确定一个具体的设备
string deviceSnStr = deviceInfo.ServiceArea.ToString().PadLeft(3, '0')
+ deviceInfo.SpotNumber.PadLeft(3, '0') + deviceTypeStr
+ deviceInfo.DeviceAddr.ToString().PadLeft(3, '0');
string insertStr = @"INSERT INTO " + deviceInfo.DbTableName + @"(time_stamp, device_number, value_01, total_flg, group_id" + @") VALUES('" + inquiryResult.TimeStamp + @"'" + @", '"
+ deviceSnStr + @"'," + realVal.ToString() + ", " + total_flg.ToString() + ", " + deviceInfo.GroupId.ToString() + @")";
return insertStr;
}
public static string GetReportString(ReceiveData inquiryResult, ModbusDeviceInfo deviceInfo, out float fValue)
{
string reportStr = "";
fValue = 0;
List <DataUnitInfo> dataInfoList = ElectricMeterDataSetting.GetElectricMeterDataSetting();
int total_flg = 0; // 数据库表中用以标识该电表是否为"总表"的标志, 如果是总表, 那么不在表示用电量占比的饼图和柱状图中显示其用电量;
if (-1 != deviceInfo.DeviceName.IndexOf(@"总表"))
{
total_flg = 1;
}
foreach (var dataInfo in dataInfoList)
{
// -5是因为要去掉前面三个字节(分别是设备码， 操作码03， 和读的长度)和最后两个字节(CRC校验)
if (dataInfo.Offset < inquiryResult.RcvLen - 5 - 1)
{
string dataStr = "0x";
// 越过前面三个字节
int idx = dataInfo.Offset + 3;
for (int i = 0; i < dataInfo.Length; i++)
{
dataStr += string.Format("{0:X}", inquiryResult.RcvBytes[idx]).PadLeft(2, '0');
idx++;
}
UInt32 val;
try
{
val = Convert.ToUInt32(dataStr, 16);
dataInfo.Value = val;
reportStr += ", " + val.ToString();
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.ToString());
}
}
}
// 现在只把"正向(吸收)有功电能"即耗电量, 存到数据库表里
string[] arr = reportStr.Split(',');
string valueStr = arr[arr.Length - 4].Trim();
int iValue;
if (!int.TryParse(valueStr, out iValue))
{
return(null);
}
// 读数值要乘以放大倍率
float value = iValue * deviceInfo.Magnification;
// 然后还要除以量纲得到浮点型小数值
fValue = value / deviceInfo.Magnitude;
// 加上校正值进行校正调整得到最终的用电量
float realVal = fValue + deviceInfo.Adjustment;
// 电表的设备种类编码是001
string deviceTypeStr = "001";
// 3位服务区编号 + 3位采集点位置编号 + 3位设备种类编号 + 3位设备地址 = 12位设备编号唯一确定一个具体的设备
string deviceSnStr = deviceInfo.ServiceArea.ToString().PadLeft(3, '0')
+ deviceInfo.SpotNumber.PadLeft(3, '0') + deviceTypeStr
+ deviceInfo.DeviceAddr.ToString().PadLeft(3, '0');
string insertStr = @"INSERT INTO " + deviceInfo.DbTableName + @"(time_stamp, device_number, value_01, total_flg, group_id" + @") VALUES('" + inquiryResult.TimeStamp + @"'" + @", '"
+ deviceSnStr + @"'," + realVal.ToString() + ", " + total_flg.ToString() + ", " + deviceInfo.GroupId.ToString() + @")";
return(insertStr);
}
/// <summary>
/// 单个电表查询线程的执行过程
/// </summary>
/// <param name="deviceInfo"></param>
override protected void InquiryTask(ModbusDeviceInfo deviceInfo)
{
TcpSocketCommunicator inquirer = new TcpSocketCommunicator();
try
{
// 与设备模块进行连接(Connect)
// 设定Receive的接收超时时间为3000毫秒
AppendUITextBox(" 开始连接: "+ deviceInfo.DeviceName);
inquirer.Connect(deviceInfo.HostName, deviceInfo.PortNum, 3000);
AppendUITextBox(" "+ deviceInfo.DeviceName + "连接成功!");
System.Threading.Thread.Sleep(100);
// 向设备模块发送查询指令(Modbus协议)
// 第一个字节是通信地址(设备号)
// 第二个字节是功能码0x03(读数据)
// 后面依次是读的起始地址0x0000和读长度0x004E(=78, 读到"正向(吸收)有功电能")
// 最后两个字节是CRC16校验码
byte[] tmpBytes = { (byte)deviceInfo.DeviceAddr, 0x03, 0x00, 0x00, 0x00, 0x4E };
// 计算CRC校验码
UInt16 crc16 = CRC16(tmpBytes, 6);
byte crcLowByte = (byte)(crc16 & 0x00FF);
byte crcHighByte = (byte)((crc16 & 0xFF00) >> 8);
byte[] sendBytes = { (byte)deviceInfo.DeviceAddr, 0x03, 0x00, 0x00, 0x00, 0x4E, crcLowByte, crcHighByte };
// 向设备模块发送Modbus读数查询指令
AppendUITextBox(" 查询 "+ deviceInfo.DeviceName + " 指令发送!");
inquirer.Send(sendBytes);
// 接收设备模块返回的读数查询结果
ReceiveData rd = inquirer.Receive();
AppendUITextBox(" 接收到 "+ deviceInfo.DeviceName + " 应答数据: " + rd.RcvLen.ToString() + " 字节.");
// 对应答数据进行检查, 返回的第一个字节应该跟设备地址号一致
if ((rd.RcvLen >= 1) &&
(deviceInfo.DeviceAddr != rd.RcvBytes[0]))
{
AppendUITextBox(" "+ "收到的应答设备地址不一致: " + rd.RcvBytes[0].ToString());
return;
}
float fValue;
string insertStr = GetReportString(rd, deviceInfo, out fValue);
if (null == insertStr)
{
return;
}
AppendUITextBox(" "+ deviceInfo.DeviceName + " : 读数值 = "
+ fValue.ToString() + " + " + deviceInfo.Adjustment.ToString() + " = "
+ (fValue + deviceInfo.Adjustment).ToString());
// 上报给服务器
ReportToDBServer(insertStr, deviceInfo.DeviceName);
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.ToString());
AppendUITextBox(" "+ deviceInfo.DeviceName + " : 查询失败!");
}
finally
{
inquirer.Close();
}
}
/// <summary>
/// 单个设备查询线程的执行过程
/// </summary>
/// <param name="deviceInfo"></param>
override protected void InquiryTask(ModbusDeviceInfo deviceInfo)
{
string dateTimeStr = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
TcpSocketCommunicator inquirer = new TcpSocketCommunicator();
try
{
// 与设备模块进行连接(Connect)
// 设定Receive的接收超时时间为3000毫秒
AppendUITextBox(" 开始连接: "+ deviceInfo.DeviceName);
inquirer.Connect(deviceInfo.HostName, deviceInfo.PortNum, 3000);
AppendUITextBox(" "+ deviceInfo.DeviceName + "连接成功!");
System.Threading.Thread.Sleep(100);
// 发送查询命令内容
// 帧头:0x10
// 总字节数: 0x07
// 目标地址: 4byte16进制数
// IO功能编号: 0x0A PT100温度采集
string deviceAddrStr = deviceInfo.DeviceAddr.ToString().PadLeft(8, '0');
if (8 != deviceAddrStr.Length)
{
return;
}
byte b1 = Convert.ToByte(deviceAddrStr.Substring(0, 2), 16);
byte b2 = Convert.ToByte(deviceAddrStr.Substring(2, 2), 16);
byte b3 = Convert.ToByte(deviceAddrStr.Substring(4, 2), 16);
byte b4 = Convert.ToByte(deviceAddrStr.Substring(6, 2), 16);
byte[] sendBytes = { 0x10, 0x07, b1, b2, b3, b4, 0x0a };
// 向设备模块发送读数查询指令
AppendUITextBox(" 查询 "+ deviceInfo.DeviceName + " 指令发送!");
inquirer.Send(sendBytes);
// 接收设备模块返回的读数查询结果
ReceiveData ir = inquirer.Receive();
AppendUITextBox(" 接收到 "+ deviceInfo.DeviceName + " 应答数据: " + ir.RcvLen.ToString() + " 字节.");
// 室温返回的结果是字符串, 直接是以小数表示, 所以不用除以量纲
string outStr = System.Text.Encoding.ASCII.GetString(ir.RcvBytes).Substring(0, ir.RcvLen);
int idx = -1;
string temperatureStr = "";
// 加号表示零上温度，减号表示零下温度
if (-1 != (idx = outStr.IndexOf('+')))
{
temperatureStr = outStr.Substring(idx).Trim();
}
else if (-1 != (idx = outStr.IndexOf('-')))
{
temperatureStr = outStr.Substring(idx).Trim();
}
else
{
return;
}
float temperatureVal = 0;
if (!float.TryParse(temperatureStr, out temperatureVal))
{
return;
}
// 加上校正值进行校正调整得到最终的温度值
float fValue = temperatureVal + deviceInfo.Adjustment;
AppendUITextBox(" "+ deviceInfo.DeviceName + " 返回值: " + temperatureStr + " + ("
+ deviceInfo.Adjustment.ToString() + ") = " + fValue.ToString());
// 上报给服务器
string insertStr = GetReportString(dateTimeStr, fValue, deviceInfo);
AppendUITextBox(" "+ deviceInfo.DeviceName + " : 读数值 = " + fValue.ToString());
ReportToDBServer(insertStr, deviceInfo.DeviceName);
// 判断温度值是否在正常区间内
int alarmType = 0;
if (0 != (alarmType = IsTemperatureOutOfRange(fValue)))
{
AddTemperatureAlarmRecord(deviceInfo, alarmType, fValue);
}
}
catch (Exception ex)
{
AppendUITextBox(" "+ deviceInfo.DeviceName + ": 查询失败!");
System.Diagnostics.Trace.WriteLine(ex.ToString());
}
finally
{
inquirer.Close();
}
}