private short GetMaxAddress(SiemensPLCAddress addr)
{
short result = 0;
if (addr != null)
{
if (addr.Type == "int32")
{
result = (short)(addr.Offset + 3);
}
else if (addr.Type == "int16")
{
result = (short)(addr.Offset + 1);
}
else if (addr.Type == "bool")
{
result = addr.Offset;
}
else if (addr.Type == "string")
{
result = (short)(addr.Offset + 2 + addr.BitOffset - 1);
}
else if (addr.Type == "ByteArray") //2020/6/11 ByteArray
{
result = (short)(addr.Offset + addr.BitOffset - 1);
}
else
{
throw new Exception("Tag类型不支持");
}
return(result);
}
return(-1);
}
// 根据地址增加需要读取的DB块
public void AddAddress(Tag tag)
{
try
{
if (tag.AccessType == TagAccessType.Read || tag.AccessType == TagAccessType.ReadWrite)
{
var address = tag.Address.ToUpper();
if (address.Substring(0, 2) == "DB")
{
var addr = SiemensPLCAddress.ConvertAddressAsDB(address);
//检查定义的Tag类型与地址自动解析的类型是否一致
if (addr.Type.ToLower() != tag.TagType.ToLower())
{
throw new Exception("Tag类型与地址自动解析的类型不一致");
}
DbAddress.Add(address, addr);
if (addr != null)
{
var dbId = addr.DBBlockID;
var dbOffset = addr.Offset;
if (_dbStartAddress.ContainsKey(dbId))
{
//如果存在该DB ID
if (_dbStartAddress[dbId] > dbOffset)
{
//如果是最小地址
_dbStartAddress[dbId] = dbOffset;
}
}
else
{
_dbStartAddress.Add(dbId, dbOffset);
}
var maxAddr = GetMaxAddress(addr);
if (_dbAreaMaxAddress.ContainsKey(dbId))
{
//如果存在该DB ID
if (_dbAreaMaxAddress[dbId] < maxAddr)
{
//如果是最大地址
_dbAreaMaxAddress[dbId] = maxAddr;
}
}
else
{
_dbAreaMaxAddress.Add(dbId, maxAddr);
}
if (_dbAreaLength.ContainsKey(dbId))
{
//如果存在该DB ID
_dbAreaLength[dbId] = (short)(_dbAreaMaxAddress[dbId] - _dbStartAddress[dbId] + 1);
}
else
{
_dbAreaLength.Add(dbId,
(short)(_dbAreaMaxAddress[dbId] - _dbStartAddress[dbId] + 1));
}
}
}
else if (address.Substring(0, 1) == "M")
{
var addr = SiemensPLCAddress.ConvertAddressAsM(address);
//检查定义的Tag类型与地址自动解析的类型是否一致
if (addr.Type.ToLower() != tag.TagType.ToLower())
{
throw new Exception("Tag类型与地址自动解析的类型不一致");
}
_mAddress.Add(address, addr);
if (addr != null)
{
var mOffset = addr.Offset;
if (_mAreaMinAddress > mOffset)
{
//如果是最小地址
_mAreaMinAddress = mOffset;
}
var maxAddr = GetMaxAddress(addr);
if (_mAreaMaxAddress < maxAddr)
{
//如果是最大地址
_mAreaMaxAddress = maxAddr;
}
_mAreaLength = (short)(_mAreaMaxAddress - _mAreaMinAddress + 1);
}
}
}
}
catch (Exception ex)
{
//LOG.Error(string.Format("S7驱动添加地址{0}出错{1}", tag.Address, ex));
Log.Error($"S7 driver added address:{tag.Address} error,Message: {ex}");
}
}