/// <summary>
/// 根据设备名获取设备
/// </summary>
/// <param name="devicename">设备名称</param>
/// <param name="device">设备</param>
/// <returns></returns>
public bool GetDeviceByName(string devicename, out ModbusDevice device)
{
foreach (ModbusDevice dv in DeviceDict.Values)
{
if (dv.Name == devicename)
{
device = dv;
return(true);
}
}
device = null;
return(false);
}
/// <summary>
/// 解析协议消息
/// </summary>
/// <param name="rcvBytes"></param>
/// <param name="rspBytes"></param>
/// <returns></returns>
private bool ParseMessage(byte[] rcvBytes, out byte[] rspBytes)
{
rspBytes = null;
int len = rcvBytes.Length;
if (MBType == ModbusType.RTU)
{
//判断长度
if (len < 7)
{
return(false);
}
//校验CRC
if (!CRC.CheckCRC(rcvBytes))
{
return(false);
}
//检查地址是否有设备
if (!DeviceDict.ContainsKey(rcvBytes[0]))
{
return(false);
}
//设备处理消息
ModbusDevice device = DeviceDict[rcvBytes[0]];
return(device.ParseRTUMessage(rcvBytes, out rspBytes));
}
else if (MBType == ModbusType.TCP)
{
//判断长度
if (len < 8)
{
return(false);
}
//校验长度
if (len != (rcvBytes[5] + 6))
{
return(false);
}
//检查地址是否有设备
if (!DeviceDict.ContainsKey(rcvBytes[6]))
{
return(false);
}
//设备处理消息
ModbusDevice device = DeviceDict[rcvBytes[6]];
return(device.ParseTCPMessage(rcvBytes, out rspBytes));
}
return(false);
}
/// <summary>
/// 增加设备
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
public bool AddDevice(ModbusDevice device)
{
if ((DeviceDict.ContainsKey(device.Address)) || (DeviceNameDict.ContainsValue(device.Name)))
{
MsgLogger.PushMsg(device.Name, "Add", "Fail, already exist.");
return(false);
}
else
{
DeviceDict.Add(device.Address, device);
DeviceNameDict.Add(device.Address, device.Name);
MsgLogger.PushMsg(device.Name, "Add", "Success.");
return(true);
}
}