/// <summary>
/// 断开设备
/// </summary>
/// <returns>是否断开成功</returns>
public bool Disconnect()
{
return(BaseUtility.Disconnect());
}
/// <summary>
/// 连接设备
/// </summary>
/// <returns>是否连接成功</returns>
public async Task <bool> ConnectAsync()
{
return(await BaseUtility.ConnectAsync());
}
/// <summary>
/// 写入数据
/// </summary>
/// <param name="setDataType">写入类型</param>
/// <param name="values">需要写入的数据字典，当写入类型为Address时，键为需要写入的地址，当写入类型为CommunicationTag时，键为需要写入的单元的描述</param>
/// <returns>是否写入成功</returns>
public async Task <bool> SetDatasAsync(MachineSetDataType setDataType, Dictionary <string, double> values)
{
try
{
//检测并连接设备
if (!BaseUtility.IsConnected)
{
await BaseUtility.ConnectAsync();
}
//如果设备无法连接，终止
if (!BaseUtility.IsConnected)
{
return(false);
}
var addresses = new List <AddressUnit>();
//遍历每个要设置的值
foreach (var value in values)
{
//根据设置类型找到对应的地址描述
AddressUnit address = null;
switch (setDataType)
{
case MachineSetDataType.Address:
{
address =
GetAddresses.SingleOrDefault(
p =>
AddressFormater.FormatAddress(p.Area, p.Address, p.SubAddress) == value.Key ||
(p.DataType != typeof(bool) &&
AddressFormater.FormatAddress(p.Area, p.Address) == value.Key));
break;
}
case MachineSetDataType.CommunicationTag:
{
address =
GetAddresses.SingleOrDefault(p => p.CommunicationTag == value.Key);
break;
}
case MachineSetDataType.Name:
{
address = GetAddresses.SingleOrDefault(p => p.Name == value.Key);
break;
}
}
//地址为空报错
if (address == null)
{
Console.WriteLine($"Machine {ConnectionToken} Address {value.Key} doesn't exist.");
continue;
}
//不能写报错
if (!address.CanWrite)
{
Console.WriteLine($"Machine {ConnectionToken} Address {value.Key} cannot write.");
continue;
}
addresses.Add(address);
}
//将地址编码成与实际设备通讯的地址
var communcationUnits = AddressCombinerSet.Combine(addresses);
//遍历每条通讯的连续地址
foreach (var communicateAddress in communcationUnits)
{
//编码开始地址
var addressStart = AddressFormater.FormatAddress(communicateAddress.Area,
communicateAddress.Address);
var datasReturn = await BaseUtility.GetDatasAsync(
AddressFormater.FormatAddress(communicateAddress.Area, communicateAddress.Address, 0),
(int)
Math.Ceiling(communicateAddress.GetCount *
BigEndianValueHelper.Instance.ByteLength[
communicateAddress.DataType.FullName]));
var valueHelper = ValueHelper.GetInstance(BaseUtility.Endian);
//如果设备本身能获取到数据但是没有数据
var datas = datasReturn;
//如果没有数据，终止
if (datas == null || datas.Length <
(int)
Math.Ceiling(communicateAddress.GetCount *
BigEndianValueHelper.Instance.ByteLength[
communicateAddress.DataType.FullName]))
{
return(false);
}
foreach (var addressUnit in communicateAddress.OriginalAddresses)
{
//字节坐标地址
var byteCount =
AddressHelper.MapProtocalGetCountToAbstractByteCount(
addressUnit.Address - communicateAddress.Address +
addressUnit.SubAddress * 0.125 /
AddressTranslator.GetAreaByteLength(communicateAddress.Area),
AddressTranslator.GetAreaByteLength(communicateAddress.Area), 0);
//字节坐标主地址
var mainByteCount = (int)byteCount;
//字节坐标自地址
var localByteCount = (int)((byteCount - (int)byteCount) * 8);
//协议坐标地址
var localPos = byteCount / AddressTranslator.GetAreaByteLength(communicateAddress.Area);
//协议坐标子地址
var subPos =
(int)
((localPos - (int)localPos) /
(0.125 / AddressTranslator.GetAreaByteLength(communicateAddress.Area)));
//协议主地址字符串
var address = AddressFormater.FormatAddress(communicateAddress.Area,
communicateAddress.Address + (int)localPos, subPos);
//协议完整地址字符串
var address2 = subPos != 0
? null
: AddressFormater.FormatAddress(communicateAddress.Area,
communicateAddress.Address + (int)localPos);
//获取写入类型
var dataType = addressUnit.DataType;
switch (setDataType)
{
case MachineSetDataType.Address:
{
//获取要写入的值
var value =
values.SingleOrDefault(
p => p.Key == address || (address2 != null && p.Key == address2));
//将要写入的值加入队列
var data = Convert.ChangeType(value.Value / addressUnit.Zoom, dataType);
if (!valueHelper.SetValue(datas, mainByteCount, localByteCount, data))
{
return(false);
}
break;
}
case MachineSetDataType.CommunicationTag:
{
var value = values.SingleOrDefault(p => p.Key == addressUnit.CommunicationTag);
var data = Convert.ChangeType(value.Value / addressUnit.Zoom, dataType);
if (!valueHelper.SetValue(datas, mainByteCount, localByteCount, data))
{
return(false);
}
break;
}
case MachineSetDataType.Name:
{
var value = values.SingleOrDefault(p => p.Key == addressUnit.Name);
var data = Convert.ChangeType(value.Value / addressUnit.Zoom, dataType);
if (!valueHelper.SetValue(datas, mainByteCount, localByteCount, data))
{
return(false);
}
break;
}
}
}
//写入数据
await
BaseUtility.SetDatasAsync(addressStart,
valueHelper.ByteArrayToObjectArray(datas,
new KeyValuePair <Type, int>(communicateAddress.DataType, communicateAddress.GetCount)));
}
//如果不保持连接，断开连接
if (!KeepConnect)
{
BaseUtility.Disconnect();
}
}
catch (Exception e)
{
Console.WriteLine(ConnectionToken + " " + e.Message);
return(false);
}
return(true);
}
/// <summary>
/// 连接设备
/// </summary>
/// <returns>是否连接成功</returns>
public bool Connect()
{
return(BaseUtility.Connect());
}
/// <summary>
/// 读取数据
/// </summary>
/// <returns>从设备读取的数据</returns>
public async Task <Dictionary <string, ReturnUnit> > GetDatasAsync(MachineGetDataType getDataType)
{
try
{
var ans = new Dictionary <string, ReturnUnit>();
//检测并连接设备
if (!BaseUtility.IsConnected)
{
await BaseUtility.ConnectAsync();
}
//如果无法连接，终止
if (!BaseUtility.IsConnected)
{
return(null);
}
//遍历每一个实际向设备获取数据的连续地址
foreach (var communicateAddress in CommunicateAddresses)
{
//获取数据
var datas =
await
BaseUtility.GetDatasAsync(
AddressFormater.FormatAddress(communicateAddress.Area, communicateAddress.Address,
communicateAddress.SubAddress),
(int)
Math.Ceiling(communicateAddress.GetCount *
BigEndianValueHelper.Instance.ByteLength[
communicateAddress.DataType.FullName]));
//如果没有数据，终止
if (datas == null || (datas.Length != 0 && datas.Length <
(int)
Math.Ceiling(communicateAddress.GetCount *
BigEndianValueHelper.Instance.ByteLength[
communicateAddress.DataType.FullName])))
{
return(null);
}
foreach (var address in communicateAddress.OriginalAddresses)
{
//字节坐标的位置
var localPos = AddressHelper.MapProtocalCoordinateToAbstractCoordinate(address.Address,
communicateAddress.Address,
AddressTranslator.GetAreaByteLength(communicateAddress.Area)) +
address.SubAddress * 0.125;
//字节坐标的主地址位置
var localMainPos = (int)localPos;
//字节坐标的子地址位置
var localSubPos = (int)((localPos - localMainPos) * 8);
//根据类型选择返回结果的键是通讯标识还是地址
string key;
switch (getDataType)
{
case MachineGetDataType.CommunicationTag:
{
key = address.CommunicationTag;
break;
}
case MachineGetDataType.Address:
{
key = AddressFormater.FormatAddress(address.Area, address.Address, address.SubAddress);
break;
}
case MachineGetDataType.Name:
{
key = address.Name;
break;
}
default:
{
key = address.CommunicationTag;
break;
}
}
//如果没有数据返回空
if (datas.Length == 0)
{
ans.Add(key, new ReturnUnit
{
PlcValue = null,
UnitExtend = address.UnitExtend
});
}
else
{
//将获取的数据和对应的通讯标识对应
ans.Add(key,
new ReturnUnit
{
PlcValue =
Convert.ToDouble(
ValueHelper.GetInstance(BaseUtility.Endian)
.GetValue(datas, ref localMainPos, ref localSubPos,
address.DataType)) * address.Zoom,
UnitExtend = address.UnitExtend
});
}
}
}
//如果不保持连接，断开连接
if (!KeepConnect)
{
BaseUtility.Disconnect();
}
//返回数据
if (ans.All(p => p.Value.PlcValue == null))
{
ans = null;
}
ErrorCount = 0;
return(ans);
}
catch (Exception e)
{
Console.WriteLine(ConnectionToken + " " + e.Message);
ErrorCount++;
if (ErrorCount >= _maxErrorCount)
{
Disconnect();
}
return(null);
}
}