private void thRequestData()
{
while (true)
{
AsyncMasterFrame ao = new AsyncMasterFrame(12);
//헤더구성
ao.buffer[0] = 0x00;
ao.buffer[1] = 0x01;
ao.buffer[2] = 0x00;
ao.buffer[3] = 0x00; //여기서 TCP RTU ASCII 구분
ao.buffer[4] = 0x00;
ao.buffer[5] = 0x06; //프레임길이
//프레임구성
ao.buffer[6] = 0x01; //slaveid
ao.buffer[7] = 0x03; //functioncode
int startaddr = Convert.ToInt32(dataGridView1.Rows[0].Cells[0].Value);
ao.buffer[8] = Convert.ToByte(startaddr / 256);
ao.buffer[9] = Convert.ToByte(startaddr % 256);
int datacount = dataGridView1.Rows.Count;
ao.buffer[10] = Convert.ToByte(datacount / 256);
ao.buffer[11] = Convert.ToByte(datacount % 256);
ao.workSocket = modbusMaster;
modbusMaster.BeginSend(ao.buffer, 0, ao.buffer.Length, SocketFlags.None, asyncCbRequest, ao);
Thread.Sleep(1000);
}
}
private void AsyncHandleMasterConnect(IAsyncResult ar)
{
Socket master = (Socket)ar.AsyncState;
master.EndConnect(ar);
if (master.Connected)
{
AsyncMasterFrame ao = new AsyncMasterFrame(1024);
ao.workSocket = master;
threadRequestData = new Thread(thRequestData);
threadRequestData.Start();
master.BeginReceive(ao.buffer, 0, ao.buffer.Length, SocketFlags.None, asyncCbRespond, ao);
labelState.Text = "Connect";
}
}
public void AsyncMultiRegister(string slaveid, string addr, string quantity, int[] data)
{
if(slaveid == "" && addr == "" && quantity == "")
{
Write_0x10.toform1 -= new Write_0x10.AsyncMultiRegister(AsyncMultiRegister);
return;
}
int hdframelength = 13 + data.Length*2;
AsyncMasterFrame ao = new AsyncMasterFrame(hdframelength);
//헤더구성
ao.buffer[0] = 0x00;
ao.buffer[1] = 0x01;
ao.buffer[2] = 0x00;
ao.buffer[3] = 0x00; //여기서 TCP RTU ASCII 구분
ao.buffer[4] = 0x00;
ao.buffer[5] = Convert.ToByte(7 + data.Length*2); //프레임길이
//프레임구성
ao.buffer[6] = 0x01; //slaveid
ao.buffer[7] = 0x10; //functioncode
int startaddr = Convert.ToInt32(addr);
ao.buffer[8] = Convert.ToByte(startaddr / 256);
ao.buffer[9] = Convert.ToByte(startaddr % 256);
int datacount = Convert.ToInt32(quantity);
ao.buffer[10] = Convert.ToByte(datacount / 256);
ao.buffer[11] = Convert.ToByte(datacount % 256);
ao.buffer[12] = Convert.ToByte(data.Length * 2); //데이터 바이트 수
for (int i = 0; i < data.Length;i++)
{
int j = i * 2;
ao.buffer[13 + j] = Convert.ToByte(data[i] / 256);
ao.buffer[14 + j] = Convert.ToByte(data[i] % 256);
}
ao.workSocket = modbusMaster;
modbusMaster.BeginSend(ao.buffer, 0, ao.buffer.Length, SocketFlags.None, asyncCbRequest, ao);
}
public void AsyncEditValue(string slaveid, string address, string value)
{
if(labelState.Text == "Connected")
{
AsyncMasterFrame ao = new AsyncMasterFrame(12);
//헤더구성
ao.buffer[0] = 0x00;
ao.buffer[1] = 0x01;
ao.buffer[2] = 0x00;
ao.buffer[3] = 0x00; //여기서 TCP RTU ASCII 구분
ao.buffer[4] = 0x00;
ao.buffer[5] = 0x06; //프레임길이
//프레임구성
if (slaveid == "" && address == "" && value == "")
{
Write_0x06.toform1 -= new Write_0x06.AsyncEditValue(AsyncEditValue);
return;
}
ao.buffer[6] = Convert.ToByte(slaveid); //slaveid
ao.buffer[7] = 0x06; //functioncode
int startaddr = Convert.ToInt32(address);
ao.buffer[8] = Convert.ToByte(startaddr / 256);
ao.buffer[9] = Convert.ToByte(startaddr % 256);
int data = Convert.ToInt32(value);
ao.buffer[10] = Convert.ToByte(data / 256);
ao.buffer[11] = Convert.ToByte(data % 256);
ao.workSocket = modbusMaster;
modbusMaster.BeginSend(ao.buffer, 0, ao.buffer.Length, SocketFlags.None, asyncCbRequest, ao);
}
else
{
return;
}
}
private void AsyncHandleRespond(IAsyncResult ar)
{
AsyncMasterFrame ao = (AsyncMasterFrame)ar.AsyncState;
Int32 recvBytes = ao.workSocket.EndReceive(ar);
if(recvBytes > 0)
{
//프레임분석 후 다시 전송
//header
byte[] ti = new byte[2];
ti[0] = ao.buffer[0];
ti[1] = ao.buffer[1];
byte[] pi = new byte[2];
pi[0] = ao.buffer[2];
pi[1] = ao.buffer[3];
byte[] length = new byte[2];
length[0] = ao.buffer[4];
length[1] = ao.buffer[5];
////////////////////////
//frame
int nlength = 256 * ao.buffer[4] + ao.buffer[5];
byte slaveid = ao.buffer[6];
byte functioncode = ao.buffer[7];
if(functioncode == 0x03)
{
byte[] startaddr = new byte[2];
startaddr[0] = ao.buffer[8];
startaddr[1] = ao.buffer[9];
int nstartaddr = 256 * startaddr[0] + startaddr[1];
byte[] datacount = new byte[2];
datacount[0] = ao.buffer[10];
datacount[1] = ao.buffer[11];
int ndatacount = 256 * datacount[0] + datacount[1];
//조건이 일치할 경우 true값을 보냄
if ((nstartaddr == Convert.ToInt32(dataGridView1.Rows[0].Cells[0].Value)) && (ndatacount == Convert.ToInt32(dataGridView1.Rows.Count)))
{
int headerframelength = 6 + 3 + (ndatacount * 2);
int framelength = headerframelength - 6;
AsyncMasterFrame ao2 = new AsyncMasterFrame(headerframelength);
ao2.buffer[0] = ao.buffer[0];
ao2.buffer[1] = ao.buffer[1];
ao2.buffer[2] = ao.buffer[2];
ao2.buffer[3] = ao.buffer[3];
ao2.buffer[4] = Convert.ToByte(framelength / 256);
ao2.buffer[5] = Convert.ToByte(framelength % 256);
ao2.buffer[6] = ao.buffer[6];
ao2.buffer[7] = ao.buffer[7];
ao2.buffer[8] = Convert.ToByte(ndatacount * 2);
for (int i = 0; i < ndatacount; i++)
{
int j = i * 2;
ao2.buffer[j + 9] = Convert.ToByte(Convert.ToInt32(dataGridView1.Rows[i].Cells[2].Value) / 256);
ao2.buffer[j + 10] = Convert.ToByte(Convert.ToInt32(dataGridView1.Rows[i].Cells[2].Value) % 256);
}
ao2.workSocket = ModbusSlave;
ModbusSlave.BeginSend(ao2.buffer, 0, ao2.buffer.Length, SocketFlags.None, asyncCbRequest, ao);
}
else //조건 불일치일 경우 82 에러코드 전송
{
AsyncMasterFrame ao2 = new AsyncMasterFrame(9);
ao2.buffer[0] = ao.buffer[0];
ao2.buffer[1] = ao.buffer[1];
ao2.buffer[2] = ao.buffer[2];
ao2.buffer[3] = ao.buffer[3];
ao2.buffer[4] = 0x00;
ao2.buffer[5] = 0x03;
ao2.buffer[6] = ao.buffer[6];
ao2.buffer[7] = 0x83;
ao2.buffer[8] = 0x02;
ao2.workSocket = ModbusSlave;
ModbusSlave.BeginSend(ao2.buffer, 0, ao2.buffer.Length, SocketFlags.None, asyncCbRequest, ao);
}
}
else if(functioncode == 0x06)
{
//원래 주소 검사, slave id검사 등을 통해서 일치하는지 검사하고 값을 대입
//일치하지 않을 경우 오류코드를 전송, 마스터에서도 오류코드 검사
//현재 주소 검사는 시행하는 중.
byte[] startaddr = new byte[2];
startaddr[0] = ao.buffer[8];
startaddr[1] = ao.buffer[9];
int nstartaddr = 256 * startaddr[0] + startaddr[1];
if((nstartaddr >= Convert.ToInt32(dataGridView1.Rows[0].Cells[0].Value)) && (nstartaddr <= Convert.ToInt32(dataGridView1.Rows[dataGridView1.Rows.Count-1].Cells[0].Value)))
{
byte[] data = new byte[2];
data[0] = ao.buffer[10];
data[1] = ao.buffer[11];
int ndata = 256 * data[0] + data[1];
int nindex = 0;
for (int i = 0; i < dataGridView1.Rows.Count; i++)
{
if (Convert.ToInt32(dataGridView1.Rows[i].Cells[0].Value) == nstartaddr)
{
nindex = i;
}
}
dataGridView1.Rows[nindex].Cells[2].Value = ndata;
AsyncMasterFrame ao2 = new AsyncMasterFrame(12);
for (int i = 0; i < ao2.buffer.Length; i++)
{
ao2.buffer[i] = ao.buffer[i];
}
ao2.workSocket = ModbusSlave;
ModbusSlave.BeginSend(ao2.buffer, 0, ao2.buffer.Length, SocketFlags.None, asyncCbRequest, ao);
}
else
{
AsyncMasterFrame ao2 = new AsyncMasterFrame(9);
for (int i = 0; i < 5; i++)
{
ao2.buffer[i] = ao.buffer[i];
}
ao2.buffer[5] = 0x03;
ao2.buffer[6] = 0x01;
ao2.buffer[7] = 0x86;//에러코드
ao2.buffer[8] = 0x02;
ao2.workSocket = ModbusSlave;
ModbusSlave.BeginSend(ao2.buffer, 0, ao2.buffer.Length, SocketFlags.None, asyncCbRequest, ao);
}
}
else if(functioncode == 0x10)
{
byte[] startaddr = new byte[2];
startaddr[0] = ao.buffer[8];
startaddr[1] = ao.buffer[9];
int nstartaddr = 256 * startaddr[0] + startaddr[1];
byte[] datacount = new byte[2];
datacount[0] = ao.buffer[10];
datacount[1] = ao.buffer[11];
int ndatacount = 256 * datacount[0] + datacount[1];
//조건이 일치할 경우 true값을 보냄
if ((nstartaddr == Convert.ToInt32(dataGridView1.Rows[0].Cells[0].Value)) && (ndatacount == Convert.ToInt32(dataGridView1.Rows.Count)))
{
for(int i=0;i<dataGridView1.Rows.Count;i++)
{
int j = i*2;
int value = 256 * ao.buffer[13+j] + ao.buffer[14+j];
dataGridView1.Rows[i].Cells[2].Value = value;
}
AsyncMasterFrame ao2 = new AsyncMasterFrame(12);
ao2.buffer[0] = ao.buffer[0];
ao2.buffer[1] = ao.buffer[1];
ao2.buffer[2] = ao.buffer[2];
ao2.buffer[3] = ao.buffer[3];
ao2.buffer[4] = 0x00;
ao2.buffer[5] = 0x06;
ao2.buffer[6] = ao.buffer[6];
ao2.buffer[7] = ao.buffer[7];
ao2.buffer[8] = ao.buffer[8];
ao2.buffer[9] = ao.buffer[9];
ao2.buffer[10] = ao.buffer[10];
ao2.buffer[11] = ao.buffer[11];
ao2.workSocket = ModbusSlave;
ModbusSlave.BeginSend(ao2.buffer, 0, ao2.buffer.Length, SocketFlags.None, asyncCbRequest, ao);
}
else //조건 불일치일 경우 90 에러코드 전송
{
AsyncMasterFrame ao2 = new AsyncMasterFrame(9);
ao2.buffer[0] = ao.buffer[0];
ao2.buffer[1] = ao.buffer[1];
ao2.buffer[2] = ao.buffer[2];
ao2.buffer[3] = ao.buffer[3];
ao2.buffer[4] = 0x00;
ao2.buffer[5] = 0x03;
ao2.buffer[6] = ao.buffer[6];
ao2.buffer[7] = 0x90;
ao2.buffer[8] = 0x02;
ao2.workSocket = ModbusSlave;
ModbusSlave.BeginSend(ao2.buffer, 0, ao2.buffer.Length, SocketFlags.None, asyncCbRequest, ao);
}
}
}
Thread.Sleep(10);
ao.inibuffer();
ao.workSocket.BeginReceive(ao.buffer, 0, ao.buffer.Length, SocketFlags.None, asyncCbRespond, ao);
}
private void AsyncHandleAccept(IAsyncResult ar)
{
ModbusSlave = ModbusSlave.EndAccept(ar);
AsyncMasterFrame ao = new AsyncMasterFrame(1024);
ao.workSocket = ModbusSlave;
ModbusSlave.BeginReceive(ao.buffer, 0, ao.buffer.Length, SocketFlags.None, asyncCbRespond, ao);
buttonTCP.Text = "Disconnect";
labelState.Text = "Connected";
}