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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Hid;
namespace Project1HostApp
{
public partial class frmDataloggerSettings : Form
{
private const int DEVICE_VID = 0x03EB;
private const int DEVICE_PID = 0x2063;
private struct Device_Report_t
{
public Byte Day;
public Byte Month;
public Byte Year;
public Byte Hour;
public Byte Minute;
public Byte Second;
public Byte LogInterval500MS;
public Byte[] ToReport()
{
Byte[] Report = new Byte[7];
Report[0] = this.Hour;
Report[1] = this.Minute;
Report[2] = this.Second;
Report[3] = this.Day;
Report[4] = this.Month;
Report[5] = this.Year;
Report[6] = this.LogInterval500MS;
return Report;
}
public void FromReport(Byte[] Report)
{
this.Hour = Report[0];
this.Minute = Report[1];
this.Second = Report[2];
this.Day = Report[3];
this.Month = Report[4];
this.Year = Report[5];
this.LogInterval500MS = Report[6];
}
};
private IDevice GetDeviceConnection()
{
IDevice[] ConnectedDevices = DeviceFactory.Enumerate(DEVICE_VID, DEVICE_PID);
IDevice ConnectionHandle = null;
if (ConnectedDevices.Count() > 0)
ConnectionHandle = ConnectedDevices[0];
else
return null;
// Fix report handle under Windows
if (ConnectionHandle is Hid.Win32.Win32DeviceSet)
{
((Hid.Win32.Win32DeviceSet)ConnectionHandle).AddDevice(0x00,
((Hid.Win32.Win32DeviceSet)ConnectionHandle).UnallocatedDevices[0]);
}
return ConnectionHandle;
}
public frmDataloggerSettings()
{
InitializeComponent();
}
private void btnSetValues_Click(object sender, EventArgs e)
{
IDevice ConnectionHandle = GetDeviceConnection();
if (ConnectionHandle == null)
{
MessageBox.Show("Error: Cannot connect to Datalogger device.");
return;
}
Device_Report_t DeviceReport = new Device_Report_t();
DeviceReport.Day = (byte)dtpDate.Value.Day;
DeviceReport.Month = (byte)dtpDate.Value.Month;
DeviceReport.Year = (byte)((dtpDate.Value.Year < 2000) ? 0 : (dtpDate.Value.Year - 2000));
DeviceReport.Hour = (byte)dtpTime.Value.Hour;
DeviceReport.Minute = (byte)dtpTime.Value.Minute;
DeviceReport.Second = (byte)dtpTime.Value.Second;
DeviceReport.LogInterval500MS = (byte)(nudLogInterval.Value * 2);
try
{
ConnectionHandle.Write(0x00, DeviceReport.ToReport());
MessageBox.Show("Device parameters updated successfully.");
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
}
}
private void btnGetValues_Click(object sender, EventArgs e)
{
IDevice ConnectionHandle = GetDeviceConnection();
if (ConnectionHandle == null)
{
MessageBox.Show("Error: Cannot connect to Datalogger device.");
return;
}
Device_Report_t DeviceReport = new Device_Report_t();
try
{
Byte[] Report = new Byte[7];
ConnectionHandle.Read(0x00, Report);
DeviceReport.FromReport(Report);
String msgText = "Device parameters retrieved successfully.";
try
{
dtpDate.Value = new DateTime(
(2000 + DeviceReport.Year),
DeviceReport.Month,
DeviceReport.Day);
dtpTime.Value = new DateTime(
DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day,
DeviceReport.Hour,
DeviceReport.Minute,
DeviceReport.Second);
}
catch (Exception ex)
{
msgText = "Problem reading device:\n" +
ex.Message +
"\nY:" + DeviceReport.Year.ToString() +
" M:" + DeviceReport.Month.ToString() +
" D:" + DeviceReport.Day.ToString() +
"\n\nUsing current date and time.";
dtpDate.Value = DateTime.Now;
dtpTime.Value = DateTime.Now;
}
try
{
nudLogInterval.Value = (DeviceReport.LogInterval500MS / 2);
}
catch (Exception ex)
{
nudLogInterval.Value = nudLogInterval.Minimum;
}
MessageBox.Show(msgText);
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
}
}
private void frmDataloggerSettings_Load(object sender, EventArgs e)
{
}
}
}
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