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EV3-Basic can access the EV3 over a Serial Port connection. Setup of the connection must be done manually by the user, with the normal facilities of the operating system (an explaination is available in he user manual)
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c0pperdragon
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Apr 6, 2015
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| /* EV3-Basic: A basic compiler to target the Lego EV3 brick | ||
| Copyright (C) 2015 Reinhard Grafl | ||
| This program is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Windows; | ||
| using System.Windows.Threading; | ||
| using System.Threading; | ||
|
|
||
|
|
||
| namespace EV3Communication | ||
| { | ||
| public class ConnectionFinder | ||
| { | ||
| static EV3Connection reuse = null; | ||
|
|
||
| public static EV3Connection CreateConnection() | ||
| { | ||
| // check if can re-use connection | ||
| if (reuse!=null) | ||
| { | ||
| EV3Connection c = reuse; | ||
| reuse = null; | ||
| return c; | ||
| } | ||
|
|
||
| // first try to get an USB connection | ||
| try | ||
| { | ||
| return new EV3ConnectionUSB(); | ||
| } | ||
| catch (Exception) | ||
| { } | ||
|
|
||
|
|
||
| // when no USB connection available, check the serial ports | ||
| String[] ports = System.IO.Ports.SerialPort.GetPortNames(); | ||
| for (int i = 0; i < ports.Length; i++) | ||
| { | ||
| // strange problem: Port names seem to end with an 'o'? | ||
| if (ports[i].EndsWith("o")) | ||
| { | ||
| ports[i] = ports[i].Substring(0, ports[i].Length - 1); | ||
| } | ||
| } | ||
| // when no serial ports are available at all, stop try | ||
| if (ports.Length<1) | ||
| { | ||
| throw new Exception("Found no brick and no serial ports"); | ||
| } | ||
|
|
||
|
|
||
| // when there are serial ports, let user decide | ||
| Array.Sort(ports, StringComparer.InvariantCulture); | ||
| ConnectionTypeDialog dialog = null; | ||
| // Create an extra thread for the dialog window | ||
| Thread newWindowThread = new Thread(new ThreadStart(() => | ||
| { | ||
| // Create and show the Window | ||
| var window = new ConnectionTypeDialog(ports); | ||
| // When the window closes, shut down the dispatcher | ||
| window.Closed += (s, e) => | ||
| Dispatcher.CurrentDispatcher.BeginInvokeShutdown(DispatcherPriority.Background); | ||
| window.Show(); | ||
| // let other thread get hold the window to check for finish | ||
| dialog = window; | ||
| // Start the Dispatcher Processing | ||
| System.Windows.Threading.Dispatcher.Run(); | ||
| })); | ||
| // Set the apartment state | ||
| newWindowThread.SetApartmentState(ApartmentState.STA); | ||
| // Make the thread a background thread | ||
| newWindowThread.IsBackground = true; | ||
| // Start the thread | ||
| newWindowThread.Start(); | ||
|
|
||
| // wait here until the window actually was created and user has answered the prompt or closed the window... | ||
| while (dialog==null || dialog.IsVisible) | ||
| { | ||
| System.Threading.Thread.Sleep(100); | ||
| } | ||
|
|
||
| String port = dialog.GetSelectedPort(); | ||
| if (port == null) | ||
| { | ||
| throw new Exception("User did not select serial port"); | ||
| } | ||
|
|
||
| return new EV3ConnectionBluetooth(port); | ||
| } | ||
|
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| public static void CloseConnection(EV3Connection c) | ||
| { | ||
| if (reuse!=null) | ||
| { | ||
| reuse.Close(); | ||
| reuse = null; | ||
| } | ||
| // keep open bluetooth connections for further use | ||
| if (c is EV3ConnectionBluetooth && c.IsOpen()) | ||
| { | ||
| reuse = c; | ||
| } | ||
| else | ||
| { | ||
| c.Close(); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| <Window | ||
| xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Name="window" | ||
| Title="No EV3 found" Height="220" Width="300" | ||
| x:Class="EV3Communication.ConnectionTypeDialog" ResizeMode="NoResize" | ||
| > | ||
| <Grid Margin="15" RenderTransformOrigin="0.75,0.6"> | ||
| <TextBlock Margin="0" TextWrapping="Wrap" Text="Could not find an EV3 brick connected via USB. Do you want to try one of the following serial ports instead?" VerticalAlignment="Top" RenderTransformOrigin="0.513,-0.627" Height="51"/> | ||
| <ListBox x:Name="PortList" SelectionChanged="PortList_SelectionChanged" HorizontalAlignment="Left" Height="90" Margin="0" VerticalAlignment="Bottom" Width="140" VerticalContentAlignment="Bottom" Cursor="Arrow" BorderThickness="1" FontWeight="Bold"/> | ||
| <Button Click="CloseButton_clicked" Content="Close" HorizontalAlignment="Right" Margin="0" VerticalAlignment="Bottom" Width="75" IsCancel="True"/> | ||
|
|
||
| </Grid> | ||
| </Window> | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /* EV3-Basic: A basic compiler to target the Lego EV3 brick | ||
| Copyright (C) 2015 Reinhard Grafl | ||
| This program is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Windows; | ||
| using System.Windows.Controls; | ||
| using System.Windows.Data; | ||
| using System.Windows.Documents; | ||
| using System.Windows.Input; | ||
| using System.Windows.Media; | ||
| using System.Windows.Media.Imaging; | ||
| using System.Windows.Navigation; | ||
| using System.Windows.Shapes; | ||
|
|
||
| namespace EV3Communication | ||
| { | ||
| /// <summary> | ||
| /// Interaction logic for ConnectionTypeDialog.xaml | ||
| /// </summary> | ||
| public partial class ConnectionTypeDialog : Window | ||
| { | ||
| private String[] ports; | ||
| private String selected; | ||
|
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| public ConnectionTypeDialog(String[] ports) | ||
| { | ||
| this.ports = ports; | ||
| this.selected = null; | ||
|
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| InitializeComponent(); | ||
|
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| foreach (String p in ports) | ||
| { | ||
| PortList.Items.Add(p); | ||
| } | ||
| } | ||
|
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| public String GetSelectedPort() | ||
| { | ||
| return selected; | ||
| } | ||
|
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| private void CloseButton_clicked(object sender, System.Windows.RoutedEventArgs e) | ||
| { | ||
| selected = null; | ||
| Close(); | ||
| } | ||
|
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| private void PortList_SelectionChanged(Object sender, EventArgs e) | ||
| { | ||
| if (PortList.SelectedIndex>=0 && PortList.SelectedIndex<ports.Length) | ||
| { | ||
| selected = ports[PortList.SelectedIndex]; | ||
| Close(); | ||
| } | ||
| } | ||
|
|
||
|
|
||
| } | ||
| } |
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