private void timer1_Tick(object sender, EventArgs e)
{
int col = 1;
int row;
WSMBS.Result sRes = WSMBS.Result.SUCCESS;
WSMBT.Result tRes = WSMBT.Result.SUCCESS;
switch (m_nCmdNo)
{
case 0:
if (m_curInterface == 2)
{
tRes = tcpip.ReadDiscreteInputs((byte)numStation.Value, m_nAddr, m_nLength, sw);
}
else
{
sRes = serial.ReadDiscreteInputs((byte)numStation.Value, m_nAddr, m_nLength, sw);
}
break;
case 1:
if (m_curInterface == 2)
{
tRes = tcpip.ReadCoils((byte)numStation.Value, m_nAddr, m_nLength, sw);
}
else
{
sRes = serial.ReadCoils((byte)numStation.Value, m_nAddr, m_nLength, sw);
}
break;
case 2:
if (m_curInterface == 2)
{
tRes = tcpip.ReadHoldingRegisters((byte)numStation.Value, m_nAddr, m_nLength, reg);
}
else
{
sRes = serial.ReadHoldingRegisters((byte)numStation.Value, m_nAddr, m_nLength, reg);
}
break;
case 3:
if (m_curInterface == 2)
{
tRes = tcpip.ReadInputRegisters((byte)numStation.Value, m_nAddr, m_nLength, reg);
}
else
{
sRes = serial.ReadInputRegisters((byte)numStation.Value, m_nAddr, m_nLength, reg);
}
break;
default:
break;
}
nTx++;
if (sRes != WSMBS.Result.SUCCESS || tRes != WSMBT.Result.SUCCESS)
{
picConn.Enabled = false;
nFailCounter++;
}
else
{
byte[] rxbuf = new byte[256];
int n;
if (m_curInterface == 2)
{
n = tcpip.GetRxBuffer(rxbuf);
}
else
{
n = serial.GetRxBuffer(rxbuf);
}
if (n != 0)
{
string str = "";
for (int i = 0; i < n; i++)
{
str += string.Format("{0:X2} ", rxbuf[i]);
if (((i + 1) % 5) == 0)
{
str += "_ ";
}
}
labRecv.Text = str;
}
for (int i = 0; i < m_nLength; i++)
{
row = i / 2;
gridData.Rows[row].Cells[col].Value = (m_nCmdNo > 1) ? reg[i].ToString(strFmtByte) : sw[i].ToString();
if (col == 1)
{
col = 3;
}
else
{
col = 1;
}
}
if (bExtend == 1)
{
for (int i = 0; i < ptr_gp; i++)
{
CurveItem curve = gp.CurveList[i];
curve.AddPoint((double)(timeStart++), (double)reg[agpAdr[i]]);
}
zd.AxisChange();
zd.Refresh();
}
nRx++;
nFailCounter = 0;
picConn.Enabled = true;
}
if (nFailCounter >= 3)
{
picConn.Enabled = false;
timer1.Enabled = false;
if (m_curInterface == 2)
{
labRecv.Text = " Modbus总线通信错误,故障原因: " + tRes.ToString();
}
else
{
labRecv.Text = " Modbus总线通信错误,故障原因: " + sRes.ToString();
}
labRecv.ForeColor = Color.Red;
nFailCounter = 0;
}
labTx.Text = nTx.ToString();
labRx.Text = nRx.ToString();
}
private void btExec_Click(object sender, EventArgs e)
{
int col;
int row;
int no = 0;
WSMBS.Result sRes = WSMBS.Result.SUCCESS;
WSMBT.Result tRes = WSMBT.Result.SUCCESS;
m_nAddr = (ushort)numStartAdr.Value;
m_nLength = (ushort)numCount.Value;
m_nCmdNo = lstCmd.SelectedIndex;
m_perAdr[m_nCmdNo] = m_nAddr;
m_Count[m_nCmdNo] = m_nLength;
reg = new short[m_nLength];
sw = new bool[m_nLength];
switch (m_nCmdNo)
{
case 0:
if (m_curInterface == 2)
{
tRes = tcpip.ReadDiscreteInputs((byte)numStation.Value, m_nAddr, m_nLength, sw);
}
else
{
sRes = serial.ReadDiscreteInputs((byte)numStation.Value, m_nAddr, m_nLength, sw);
}
break;
case 1:
if (m_curInterface == 2)
{
tRes = tcpip.ReadCoils((byte)numStation.Value, m_nAddr, m_nLength, sw);
}
else
{
sRes = serial.ReadCoils((byte)numStation.Value, m_nAddr, m_nLength, sw);
}
break;
case 2:
if (m_curInterface == 2)
{
tRes = tcpip.ReadHoldingRegisters((byte)numStation.Value, m_nAddr, m_nLength, reg);
}
else
{
sRes = serial.ReadHoldingRegisters((byte)numStation.Value, m_nAddr, m_nLength, reg);
}
break;
case 3:
if (m_curInterface == 2)
{
tRes = tcpip.ReadInputRegisters((byte)numStation.Value, m_nAddr, m_nLength, reg);
}
else
{
sRes = serial.ReadInputRegisters((byte)numStation.Value, m_nAddr, m_nLength, reg);
}
break;
default:
break;
}
byte[] txbuf = new byte[256];
int n;
if (m_curInterface == 2)
{
n = tcpip.GetTxBuffer(txbuf);
}
else
{
n = serial.GetTxBuffer(txbuf);
}
if (n != 0)
{
string str = "发送帧:";
for (int i = 0; i < n; i++)
{
str += string.Format("{0:X2} ", txbuf[i]);
if ((i + 1) % 5 == 0)
{
str += "_ ";
}
}
labSend.Text = str;
}
if (sRes != WSMBS.Result.SUCCESS || tRes != WSMBT.Result.SUCCESS)
{
if (m_curInterface == 2)
{
labRecv.Text = "读控制站错误! (" + tRes.ToString() + ")";
}
else
{
labRecv.Text = "读控制站错误! (" + sRes.ToString() + ")";
}
labRecv.ForeColor = Color.Red;
picConn.Enabled = false;
}
else
{
int index = this.gridData.Rows.Add(); //得到当前控件的行数
for (int i = 0; i < index + 1; i++) //删除表格中的所有行
{
gridData.Rows.RemoveAt(0);
}
for (int i = 0; i < m_nLength; i++)
{
if (i % 2 == 0)
{
no = this.gridData.Rows.Add();
}
int nFind = -1;
for (int k = 0; k < lsLen; k++)
{
if (lsNum[k] == (m_nAddr + i))
{
nFind = k;
break;
}
}
if (i % 2 == 0)
{
col = 0;
}
else
{
col = 2;
}
if (ckDispAlais.Checked && nFind != -1)
{
this.gridData.Rows[no].Cells[col].Value = (m_nAddr + i).ToString() + " " + lsAlais[nFind];
}
else
{
this.gridData.Rows[no].Cells[col].Value = (m_nAddr + i).ToString() + " " + (m_nAddr + i).ToString("X") + "H ";
}
this.gridData.Rows[no].Cells[col + 1].Value = (m_nCmdNo > 1) ? reg[i].ToString(strFmtByte) : sw[i].ToString();
this.gridData.Rows[no].Cells[col + 1].Style.Alignment = DataGridViewContentAlignment.MiddleRight;
if ((i / 10) % 2 == 0)
{
this.gridData.Rows[no].Cells[col].Style.BackColor = Color.LightGray;
this.gridData.Rows[no].Cells[col + 1].Style.BackColor = Color.LightBlue;
}
}
if (bExtend == 1)
{
bool bLast = false;
int address;
for (int i = 0; i < ptr_gp; i++)
{
address = agpStartAdr[i] + agpAdr[i];
if (agpCmdNo[i] == m_nCmdNo && address >= m_nAddr && address < (m_nAddr + m_nLength))
{
agpAdr[i] = address - m_nAddr;
agpStartAdr[i] = m_nAddr;
}
else
{
bLast = true;
}
}
if (bLast)
{
bExtend = 2;
gp.CurveList.Clear();
zd.Refresh();
ptr_gp = 0;
timeStart = 0;
}
}
labRecv.ForeColor = Color.Blue;
btnSupend.Enabled = true;
timer1.Interval = (int)numCycle.Value;
timer1.Enabled = true;
picConn.Enabled = true;
}
}