working on #223: Auto-detection of serial ports. Windows version ready

app/src/processing/app/windows/ListComPortsParser.java

@@ -0,0 +1,40 @@
+package processing.app.windows;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Interprets the output of listComPorts.exe
+ * <p/>
+ * https://github.com/todbot/usbSearch/
+ */
+public class ListComPortsParser {
+
+  private final Pattern vidRegExp;
+  private final Pattern pidRegExp;
+
+  public ListComPortsParser() {
+    vidRegExp = Pattern.compile("VID_(\\w\\w\\w\\w)");
+    pidRegExp = Pattern.compile("PID_(\\w\\w\\w\\w)");
+  }
+
+  public String extractVIDAndPID(String output, String serial) throws IOException {
+    BufferedReader reader = new BufferedReader(new StringReader(output));
+    String line;
+    while ((line = reader.readLine()) != null) {
+      if (line.startsWith(serial.toUpperCase())) {
+        Matcher vidMatcher = vidRegExp.matcher(line);
+        Matcher pidMatcher = pidRegExp.matcher(line);
+        if (vidMatcher.find() && pidMatcher.find()) {
+          return vidMatcher.group(1).toUpperCase() + "_" + pidMatcher.group(1).toUpperCase();
+        }
+      }
+    }
+
+    return null;
+  }
+
+}

app/src/processing/app/windows/Platform.java

@@ -22,18 +22,24 @@
 
 package processing.app.windows;
 
-import java.io.File;
-import java.io.UnsupportedEncodingException;
-
 import com.sun.jna.Library;
 import com.sun.jna.Native;
-
+import org.apache.commons.exec.CommandLine;
+import org.apache.commons.exec.Executor;
 import processing.app.Base;
 import processing.app.Preferences;
+import processing.app.debug.TargetPackage;
+import processing.app.tools.ExternalProcessExecutor;
 import processing.app.windows.Registry.REGISTRY_ROOT_KEY;
 import processing.core.PApplet;
 import processing.core.PConstants;
 
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.util.Map;
+
 
 // http://developer.apple.com/documentation/QuickTime/Conceptual/QT7Win_Update_Guide/Chapter03/chapter_3_section_1.html
 // HKEY_LOCAL_MACHINE\SOFTWARE\Apple Computer, Inc.\QuickTime\QTSysDir
@@ -309,4 +315,27 @@ public class Platform extends processing.app.Platform {
     return PConstants.platformNames[PConstants.WINDOWS];
   }
 
+  @Override
+  public String resolveDeviceAttachedTo(String serial, Map<String, TargetPackage> packages) {
+    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    Executor executor = new ExternalProcessExecutor(baos);
+
+    try {
+      String listComPorts = new File(System.getProperty("user.dir"), "hardware/tools/listComPorts.exe").getCanonicalPath();
+
+      CommandLine toDevicePath = CommandLine.parse(listComPorts);
+      executor.execute(toDevicePath);
+      String vidPid = new ListComPortsParser().extractVIDAndPID(new String(baos.toByteArray()), serial);
+
+      if (vidPid == null) {
+        return super.resolveDeviceAttachedTo(serial, packages);
+      }
+
+      return super.resolveDeviceByVendorIdProductId(packages, vidPid);
+    } catch (IOException e) {
+      return super.resolveDeviceAttachedTo(serial, packages);
+    }
+  }
+
+
 }

app/test/processing/app/windows/ListComPortsParserTest.java

@@ -0,0 +1,20 @@
+package processing.app.windows;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class ListComPortsParserTest {
+
+  @Test
+  public void shouldFindVIDPID() throws Exception {
+    String listComPortsOutput = "COM26 - FTDI - FTDIBUS\\VID_0403+PID_6001+A6004CCFA\\0000\nCOM24 - PJRC.COM, LLC. - USB\\VID_16C0&PID_0483\\12345";
+
+    ListComPortsParser parser = new ListComPortsParser();
+
+    assertEquals("0403_6001", parser.extractVIDAndPID(listComPortsOutput, "COM26"));
+    assertEquals("16C0_0483", parser.extractVIDAndPID(listComPortsOutput, "COM24"));
+  }
+
+
+}

build/build.xml

@@ -669,9 +669,11 @@
     <!-- Copy bossac.exe tool -->
     <copy todir="windows/work/hardware/tools">
       <fileset file="windows/bossac.exe" />
+      <fileset file="windows/listComPorts.exe" />
     </copy>
     <chmod perm="755">
       <fileset file="windows/work/hardware/tools/bossac.exe" />
+      <fileset file="windows/work/hardware/tools/listComPorts.exe" />
     </chmod>
 
     <antcall target="assemble">