/// <summary>
/// 获取Write命令
/// </summary>
/// <param name="arg"></param>
/// <param name="value"></param>
/// <returns></returns>
protected byte[] GetWriteCommand(OmronFinsAddress arg, byte[] value)
{
bool isBit = arg.IsBit;
byte[] command = new byte[26 + 8 + value.Length];
Array.Copy(BasicCommand, 0, command, 0, 4);
byte[] tmp = BitConverter.GetBytes(command.Length - 8);
Array.Reverse(tmp);
tmp.CopyTo(command, 4);
command[11] = 0x02;
command[16] = 0x80; //ICF 信息控制字段
command[17] = 0x00; //RSV 保留字段
command[18] = 0x02; //GCT 网关计数
command[19] = 0x00; //DNA 目标网络地址 00:表示本地网络 0x01~0x7F:表示远程网络
command[20] = 0x13; //DA1 目标节点编号 0x01~0x3E:SYSMAC LINK网络中的节点号 0x01~0x7E:YSMAC NET网络中的节点号 0xFF:广播传输
command[21] = UnitAddress; //DA2 目标单元地址
command[22] = 0x00; //SNA 源网络地址 取值及含义同DNA字段
command[23] = 0x0B; //SA1 源节点编号 取值及含义同DA1字段
command[24] = 0x00; //SA2 源单元地址 取值及含义同DA2字段
command[25] = 0x00; //SID Service ID 取值0x00~0xFF，产生会话的进程的唯一标识
command[26] = 0x01;
command[27] = 0x02; //Command Code 内存区域写入
command[28] = isBit ? arg.BitCode : arg.WordCode;
arg.BitAddress.CopyTo(command, 29);
command[32] = isBit ? (byte)(value.Length / 256) : (byte)(value.Length / 2 / 256);
command[33] = isBit ? (byte)(value.Length % 256) : (byte)(value.Length / 2 % 256);
value.CopyTo(command, 34);
return(command);
}
/// <summary>
/// 地址信息解析
/// </summary>
/// <param name="address"></param>
/// <param name="isBit"></param>
/// <returns></returns>
private OmronFinsAddress ConvertArg(string address, bool isBit)
{
address = address.ToUpper();
var addressInfo = new OmronFinsAddress()
{
IsBit = isBit
};
switch (address[0])
{
case 'D': //DM区
{
addressInfo.BitCode = 0x02;
addressInfo.WordCode = 0x82;
break;
}
case 'C': //CIO区
{
addressInfo.BitCode = 0x30;
addressInfo.WordCode = 0xB0;
break;
}
case 'W': //WR区
{
addressInfo.BitCode = 0x31;
addressInfo.WordCode = 0xB1;
break;
}
case 'H': //HR区
{
addressInfo.BitCode = 0x32;
addressInfo.WordCode = 0xB2;
break;
}
case 'A': //AR区
{
addressInfo.BitCode = 0x33;
addressInfo.WordCode = 0xB3;
break;
}
case 'E':
{
string[] address_split = address.Split('.');
int block_length = Convert.ToInt32(address_split[0].Substring(1), 16);
if (block_length < 16)
{
addressInfo.BitCode = (byte)(0x20 + block_length);
addressInfo.WordCode = (byte)(0xA0 + block_length);
}
else
{
addressInfo.BitCode = (byte)(0xE0 + block_length - 16);
addressInfo.WordCode = (byte)(0x60 + block_length - 16);
}
if (isBit)
{
// 位操作
ushort address_location = ushort.Parse(address_split[1]);
addressInfo.BitAddress = new byte[3];
addressInfo.BitAddress[0] = BitConverter.GetBytes(address_location)[1];
addressInfo.BitAddress[1] = BitConverter.GetBytes(address_location)[0];
if (address_split.Length > 2)
{
addressInfo.BitAddress[2] = byte.Parse(address_split[2]);
if (addressInfo.BitAddress[2] > 15)
{
//输入的位地址只能在0-15之间
throw new Exception("位地址数据异常");
}
}
}
else
{
// 字操作
ushort address_location = ushort.Parse(address_split[1]);
addressInfo.BitAddress = new byte[3];
addressInfo.BitAddress[0] = BitConverter.GetBytes(address_location)[1];
addressInfo.BitAddress[1] = BitConverter.GetBytes(address_location)[0];
}
break;
}
default:
//类型不支持
throw new Exception("Address解析异常");
}
if (address[0] != 'E')
{
if (isBit)
{
// 位操作
string[] address_split = address.Substring(1).Split('.');
ushort address_location = ushort.Parse(address_split[0]);
addressInfo.BitAddress = new byte[3];
addressInfo.BitAddress[0] = BitConverter.GetBytes(address_location)[1];
addressInfo.BitAddress[1] = BitConverter.GetBytes(address_location)[0];
if (address_split.Length > 1)
{
addressInfo.BitAddress[2] = byte.Parse(address_split[1]);
if (addressInfo.BitAddress[2] > 15)
{
//输入的位地址只能在0-15之间
throw new Exception("位地址数据异常");
}
}
}
else
{
// 字操作
ushort address_location = ushort.Parse(address.Substring(1));
addressInfo.BitAddress = new byte[3];
addressInfo.BitAddress[0] = BitConverter.GetBytes(address_location)[1];
addressInfo.BitAddress[1] = BitConverter.GetBytes(address_location)[0];
}
}
return(addressInfo);
}