/// <summary>
/// 读取多个单元
/// 例如“D10,2”、“M100,20”、“X201,8”等格式
/// </summary>
private static ResponseMessage readMulti(this IMitsubishiPlc plc, string cmdText)
{
ResponseMessage resp = new ResponseMessage();
StringBuilder result = new StringBuilder();
string[] s = cmdText.Split(new string[] { ",", ".." }, StringSplitOptions.None);
bool hasDots = cmdText.Contains("..");
if (s.Length == 2)
{
PlcDeviceType type;
int addr;
McProtocolApp.GetDeviceCode(s[0], out type, out addr);
var n = int.Parse(s[1]);
var val = new byte[hasDots ? n - addr + 1 : n];
var ival = new int[Math.Max(16, val.Length)];
int rtCode = McProtocolApp.IsBitDevice(type) ? plc.GetBitDevice(s[0], val.Length, val) :
plc.ReadDeviceBlock(s[0], val.Length, ival);
if (0 < rtCode)
{
result.AppendLine("ERROR:0x" + rtCode.ToString("X4"));
}
else
{
for (int i = 0; i < val.Length; ++i)
{
result.AppendLine(type.ToString() + (addr + i).ToString() + "=" + val[i].ToString());
}
}
}
return(resp);
}
/// <summary>
/// 读取单个单元
/// 例如“D10”、“M100”、“X201”等格式
/// </summary>
private static ResponseMessage readSingle(this IMitsubishiPlc plc, string cmdText)
{
ResponseMessage resp = new ResponseMessage();
StringBuilder result = new StringBuilder();
PlcDeviceType type;
int addr;
McProtocolApp.GetDeviceCode(cmdText.ToUpper(), out type, out addr);
int n;
int rtCode;
if (McProtocolApp.IsBitDevice(type))
{
var data = new byte[1];
rtCode = plc.GetBitDevice(cmdText, data.Length, data);
n = data[0];
}
else
{
rtCode = plc.GetDevice(cmdText.ToUpper(), out n);
}
result.AppendLine(cmdText.ToUpper() + "=" + n.ToString());
if (0 < rtCode)
{
result.AppendLine("ERROR:0x" + rtCode.ToString("X4"));
}
return(resp);
}
/// <summary>
/// 执行命令，并返回执行的结果
/// 读写PLC单元的字符串型命令格式如下：
/// excute("D126"); 读单一元件值
/// excute("D126,2"); 读连续多个元件值
/// excute("M100,8"); 读连续多个元件值
/// excute("D10=135"); 为单一元件赋值
/// excute("M401=1"); 为单一元件赋值
/// excute("D126,6=0"); 为连续元件赋值
/// excute("D126..130=0"); 为连续元件赋值
/// </summary>
/// <param name="plc"></param>
/// <param name="cmdText">读写PLC单元的字符串型命令</param>
internal static ResponseMessage Excute(this IMitsubishiPlc plc, string cmdText)
{
bool isMulti = cmdText.Contains("..") || cmdText.Contains(',');
bool isWrite = cmdText.Contains("=");
if (isWrite)
{
if (isMulti)
{
return(writeMulti(plc, cmdText));
}
else
{
return(writeSingle(plc, cmdText));
}
}
else
{
if (isMulti)
{
return(readMulti(plc, cmdText));
}
else
{
return(readSingle(plc, cmdText));
}
}
}
/// <summary>
/// 为单一单元赋值
/// "D10=0"
/// "M301=1"
/// </summary>
private static ResponseMessage writeSingle(this IMitsubishiPlc plc, string cmdText)
{
ResponseMessage resp = new ResponseMessage();
StringBuilder result = new StringBuilder();
string[] s = cmdText.Split('=');
PlcDeviceType type;
int addr;
McProtocolApp.GetDeviceCode(s[0], out type, out addr);
int val = int.Parse(s[1]);
int rtCode;
if (McProtocolApp.IsBitDevice(type))
{
var data = new byte[1];
data[0] = (byte)val;
rtCode = plc.SetBitDevice(s[0], data.Length, data);
}
else
{
rtCode = plc.SetDevice(s[0], val);
}
result.AppendLine(cmdText.ToUpper());
if (0 < rtCode)
{
result.AppendLine("ERROR:0x" + rtCode.ToString("X4"));
}
return(resp);
}
public static void Test()
{
// _plc = new McProtocolUdp("192.0.1.254", 8195);
//_plc = new McProtocolTcp("192.0.1.254", 8195);
_plc = new McProtocolTcp("tunnel.qydev.com", 52155);
_plc.Open();
_plc.Excute("D0,32");
_plc.Excute("M850,32");
_plc.Excute("D001");
_plc.Excute("D126,2");
_plc.Excute("D126..130=0");
_plc.Excute("D10=135");
}
private static ResponseMessage writeMulti(this IMitsubishiPlc plc, string cmdText)
{
ResponseMessage resp = new ResponseMessage();
StringBuilder result = new StringBuilder();
bool hasDots = cmdText.Contains("..");
string[] s = cmdText.Split(new string[] { ",", "..", "=" }, StringSplitOptions.None);
int m;
int n = int.Parse(s[1]);
PlcDeviceType type;
McProtocolApp.GetDeviceCode(s[0], out type, out m);
byte[] data;
if (hasDots)
{
data = new byte[n - m + 1];
}
else
{
data = new byte[n];
}
var v = byte.Parse(s[2]);
for (int i = 0; i < data.Length; ++i)
{
data[i] = v;
}
var iData = new int[16];
int rtCode = McProtocolApp.IsBitDevice(type) ? plc.SetBitDevice(s[0], 1, data) :
plc.WriteDeviceBlock(s[0], data.Length, iData);
result.AppendLine(cmdText.ToUpper());
if (0 < rtCode)
{
result.AppendLine("ERROR:0x" + rtCode.ToString("X4"));
}
return(resp);
}
public HomeController(SqlDbContext sqlDbContext, PostgreDbContext postGreDbContext)
{
uow = new UnitOfWork(sqlDbContext, postGreDbContext);
m_plc = new UdpCommunication();
}
