public void ThreadUpdateInput()
{
ModBusDevice device = null;
while (true)
{
try
{
for (int nIndex = 0; nIndex < _devices.Count; nIndex++)
{
device = _devices[nIndex];
if (device._bMonitor)
{
ScanInputStatus(device);
ScanInputRegister(device);
}
Thread.Sleep(10);
}
}
catch (Exception ex)
{
ModBusDevice.WriteLog(string.Format("Scan input from device {0} occurred exception:{1}", (device == null) ? "" : device.Name, ex.Message));
}
}
}
private void menuItemComm_Click(object sender, EventArgs e)
{
if (this.ActiveMdiChild != null)
{
frmDevice frmDev = (frmDevice)(this.ActiveMdiChild);
ModBusDevice device = frmDev._device;
frmDeviceSetting commSetting = new frmDeviceSetting(device);
commSetting.ShowDialog();
if (commSetting._bOk)
{
if (commSetting.PortIsChanged())
{
bool bCurMonitorStatus = device._bMonitor;
bool bPortIsOpen = (device._port != null) ? device._port.IsOpen : false;
device._bMonitor = false;
device.ClosePort();
commSetting.GetDeviceInfo(ref device);
if (bPortIsOpen)
{
device.OpenPort();
}
device._bMonitor = bCurMonitorStatus;
}
device._bModified = true;
}
}
}
private ModBusDevice GetDeviceFromFile()
{
Stream myStream;
OpenFileDialog openFileDlg = new OpenFileDialog();
openFileDlg.Filter = "xml files (*.xml)|*.xml";
openFileDlg.FilterIndex = 1;
openFileDlg.RestoreDirectory = true;
if (openFileDlg.ShowDialog() == DialogResult.OK)
{
try
{
if ((myStream = openFileDlg.OpenFile()) != null)
{
using (myStream)
{
// Insert code to read the stream here.
XmlSerializer xs = new XmlSerializer(typeof(ModBusDevice));
ModBusDevice device = xs.Deserialize(myStream) as ModBusDevice;
return(device);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "打开文件错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
return(null);
}
private void ShowDeviceForm(ModBusDevice device)
{
frmDevice frmDev = new frmDevice(device);
frmDev.MdiParent = this;
frmDev.SetBarText = InvokeSetBarText;
frmDev.Show();
}
private void UpdateInputStatus(int nAddr, byte[] data, ModBusDevice device)
{
frmDevice chFrmDev = GetFormByDeviceName(device.Name);
if (chFrmDev._device != null)
{
chFrmDev.InvokeUpdateInputStatus(nAddr, data);
}
}
public frmDeviceSetting(ModBusDevice device)
{
InitializeComponent();
_device = device;
InitControls();
this.Text = "通信设置";
tbDeviceName.Text = _device.Name;
tbAddress.Text = _device.Address.ToString();
}
public void ThreadSetOutput(object list)
{
object[] param = (object[])list;
string strAddr = param[0].ToString();
int nAddr = Convert.ToInt32(strAddr);
ModBusDevice device = (ModBusDevice)param[1];
string strOutput = (string)param[2];
bool bRet = device.SetOutputStatusToDevice(nAddr);
SetBarText("设置\"" + strOutput + (bRet ? "成功\"" : "失败\""));
}
private void menuItemOpen_Click(object sender, EventArgs e)
{
ModBusDevice device = GetDeviceFromFile();
if (device != null)
{
_devices.Add(device);
device.ResetCurrentStatus();
ShowDeviceForm(device);
}
}
public frmDevice(ModBusDevice device)
{
InitializeComponent();
MessageFilter msgFilter = new MessageFilter();
msgFilter.MouseClick = new LButtonClick(msgMouseClick);
Application.AddMessageFilter(msgFilter);
_device = device;
this.Text = "ModBus Device - " + _device.Name;
InitListView();
UpdateDeviceToPage();
}
// 扫描输入寄存器
void ScanInputRegister(ModBusDevice device)
{
foreach (RegisterItem reg in device._dicInputRegs.Values)
{
byte[] buf = null;
ModBusDevice.WriteLog(String.Format("Read intput register from device {0} start at address 0x{1:4X}.", device.Name, reg._nStartAddr));
if (device.ReadInputReg(reg._nStartAddr, ref buf))
{
byte[] bufData = new byte[reg._nLength];
Array.Copy(buf, 3, bufData, 0, buf[2]);
string strVal = reg.BufDataToValueString(bufData);
if (strVal != reg._strData)
{
GetFormByDeviceName(device.Name).InvokeUpdateInputRegValueToList(reg._nStartAddr, strVal);
}
}
}
}
/// <summary>
/// 获取设置的设备信息
/// </summary>
/// <param name="device"></param>
public void GetDeviceInfo(ref ModBusDevice device)
{
device.Name = tbDeviceName.Text;
device.Address = Convert.ToByte(tbAddress.Text);
device.SetPort(string.Format("PortName:{0};BaudRate:{1};DataBits:{2};StopBits:{3};Parity:{4}",
comboBoxPort.Text, comboBoxBaud.Text, comboBoxDataBits.Text,
comboBoxStopBits.Text, comboBoxCheck.Text));
// 读功能码
device.FuncReadCoilStatus = (byte)numUpDownReadCoil.Value;
device.FuncReadSwitch = (byte)numUpDownReadSwitch.Value;
device.FuncReadHoldReg = (byte)numUpDownReadHoldReg.Value;
device.FuncReadInputReg = (byte)numUpDownReadInputReg.Value;
// 写功能码
device.FuncReadCoilStatus = (byte)numUpDownReadCoil.Value;
device.FuncReadSwitch = (byte)numUpDownReadSwitch.Value;
device.FuncReadHoldReg = (byte)numUpDownReadHoldReg.Value;
device.FuncReadInputReg = (byte)numUpDownReadInputReg.Value;
}
private void menuItemNew_Click(object sender, EventArgs e)
{
//if (this.ActiveMdiChild != null && !SaveCurrentDevice())
//{
// return;
//}
frmDeviceSetting frmDevice = new frmDeviceSetting();
frmDevice._refDevices = _devices;
frmDevice.ShowDialog();
if (frmDevice._bOk)
{
ModBusDevice device = new ModBusDevice();
device._bCreatNew = true;
frmDevice.GetDeviceInfo(ref device);
_devices.Add(device);
ShowDeviceForm(device);
}
}
private void SaveDevice(ModBusDevice device)
{
Stream myStream;
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
saveFileDialog1.Filter = "xml files (*.xml)|*.xml";
saveFileDialog1.FilterIndex = 1;
saveFileDialog1.RestoreDirectory = true;
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
if ((myStream = saveFileDialog1.OpenFile()) != null)
{
// Code to write the stream goes here.
XmlSerializer xs = new XmlSerializer(typeof(ModBusDevice));
xs.Serialize(myStream, device);
device._bModified = false;
device._bCreatNew = false;
device._strFilePath = saveFileDialog1.FileName;
myStream.Close();
}
}
}
// 扫描输入状态
void ScanInputStatus(ModBusDevice device)
{
int nAddr = 0;
foreach (StatusRegister status in device._dicInputStatus.Values)
{
if (status._nStartAddr < nAddr)
{
continue;
}
byte[] buf = null;
nAddr = status._nStartAddr;
ModBusDevice.WriteLog(String.Format("Read intput status from device {0} start at address 0x{1:4X}.", device.Name, nAddr));
if (device.ReadInputStatus(ref nAddr, ref buf, true))
{
//判断输入状态是否有变化，有变化则进行更新
bool bMultiBits = (status._lsHiName.Count == 16) ? true : false;
int nAddr1 = status._nStartAddr;
int nCount = 0;
while (device._dicInputStatus.ContainsKey(nAddr1) && device._dicInputStatus[nAddr1]._nStartAddr < nAddr)
{
//读取返回数据4个字节开始为寄存器数据
//单寄存器16位状态数据,取2个字节长度
bool bStatus = false;
if (bMultiBits)
{
for (int nBitIndex = 0; nBitIndex < 16; nBitIndex++)
{
//判断状态是否变化，变化则更新界面显示
bStatus = ((buf[nCount * 2 + 3 + nBitIndex / 8] & (1 << (nBitIndex % 8))) != 0);
if (bStatus != device._dicInputStatus[nAddr1]._lsCurStatus[nBitIndex])
{
byte[] data = new byte[16];
Array.Copy(buf, data, 16);
UpdateInputStatus(nAddr1, data, device);
break;
}
}
}
else// 1bit 对应一个地址寄存器的状态
{
for (int nBitIndex = 0; nBitIndex < 8; nBitIndex++)
{
//判断状态是否变化，变化则更新界面显示
bStatus = ((buf[nCount + 3] & (1 << nBitIndex)) != 0);
if (bStatus != device._dicInputStatus[nAddr1]._lsCurStatus[nBitIndex])
{
byte[] data = new byte[8];
Array.Copy(buf, data, 8);
UpdateInputStatus(nAddr1, data, device);
break;
}
}
}
nCount++;
nAddr1 += bMultiBits ? 1 : 8;
}
}
}
}
