Now querys /dev for serial ports

localTester/LocalTester/mainwindow.cpp

@@ -2,6 +2,7 @@
 #include "ui_mainwindow.h"
 
 #include <QDir>
+#include <QStringList>
 #include <QTimer>
 #include <QImage>
 #include <QPixmap>
@@ -103,7 +104,7 @@ void MainWindow::on_pickTestProgram_clicked(){
 void MainWindow::on_startLocalTesting_clicked(){
    //ui->serialPort->setCurrentText("/dev/tty.Bluetooth-Incoming-Port");
    //testProgram = "userIo.writeStringJs(\"Wrote to terminal from js!\")";
-   if(!testEnv.running() /*&& ui->serialPort->currentText() != ""*/)
+   if(!testEnv.running() && ui->serialPort->currentText() != "")
       launchJs(false);
 }
 
@@ -132,3 +133,19 @@ void MainWindow::on_pickDependencyBlob_clicked(){
 void MainWindow::on_pickSslCertificate_clicked(){
    sslCertPath = QFileDialog::getOpenFileName(this, "Select SSL Certificate", QDir::root().path(), 0);
 }
+
+void MainWindow::on_refreshSerialPorts_clicked(){
+   QDir dev("/dev");
+   QStringList filters;
+   QStringList serialPorts;
+
+   filters.append("tty.*");//Mac OS serial ports
+   filters.append("ttyS*");//Linux serial ports
+   dev.setNameFilters(filters);
+
+   serialPorts = dev.entryList(QDir::System | QDir::Files, QDir::Name);
+
+   ui->serialPort->clear();
+   for(uint32_t port = 0; port < serialPorts.length(); port++)
+      ui->serialPort->addItem("/dev/" + serialPorts[port]);
+}

localTester/LocalTester/mainwindow.h

@@ -28,7 +28,6 @@ public:
 private slots:
    void updateWindow();
    void launchJs(bool serialOverWifi);
-
    bool wifiValidate(QString location);
 
    void on_pickTestProgram_clicked();
@@ -37,6 +36,7 @@ private slots:
    void on_startTestProxy_clicked();
    void on_pickDependencyBlob_clicked();
    void on_pickSslCertificate_clicked();
+   void on_refreshSerialPorts_clicked();
 
 private:
    SerialPortIO*           serialOut;

localTester/LocalTester/mainwindow.ui

@@ -25,6 +25,13 @@
     <item>
      <widget class="QComboBox" name="serialPort"/>
     </item>
+    <item>
+     <widget class="QPushButton" name="refreshSerialPorts">
+      <property name="text">
+       <string>Refresh Serial Ports</string>
+      </property>
+     </widget>
+    </item>
     <item>
      <widget class="QLabel" name="label">
       <property name="sizePolicy">