[moserial] Fix hardware handshake.

[Michael J. Chudobiak <mjc src gnome org>]

commit e3d933831c42b379db0b39fc2a45795fe0d0587b
Author: Mictronics <github mictronics de>
Date:   Tue Apr 28 20:58:24 2020 +0200

    Fix hardware handshake.

 src/MainWindow.vala       | 14 ++++++++------
 src/SerialConnection.vala | 16 ++++++++--------
 2 files changed, 16 insertions(+), 14 deletions(-)
---
diff --git a/src/MainWindow.vala b/src/MainWindow.vala
index 1bae248..7460f64 100644
--- a/src/MainWindow.vala
+++ b/src/MainWindow.vala
@@ -478,7 +478,6 @@ public class moserial.MainWindow : Gtk.Window // Have to extend Gtk.Winow to get
         string s;
         s = entry.get_text ();
         profile.setInputString (s);
-        warning ("test");
         if (!ensureConnected ()) {
             return;
         }
@@ -782,6 +781,10 @@ public class moserial.MainWindow : Gtk.Window // Have to extend Gtk.Winow to get
         incomingAsciiTextBuffer.set_text ("", 0);
         outgoingHexTextBuffer.clear ();
         outgoingAsciiTextBuffer.set_text ("", 0);
+        // Feedback signal status back to button.
+        bool[] state = serialConnection.getStatus ();
+        rtsButton.set_active (state[4]);
+        dtrButton.set_active (state[5]);
 
         settingsButton.set_sensitive (false);
         statusbar.pop (statusbarContext);
@@ -815,15 +818,14 @@ public class moserial.MainWindow : Gtk.Window // Have to extend Gtk.Winow to get
 
     private bool showSerialStatus () {
         if (!serialConnection.isConnected ()) {
-
             return true;
         }
 
         bool[] state = serialConnection.getStatus ();
-        serialStatusSignals[0].set_sensitive (state[0]);
-        serialStatusSignals[1].set_sensitive (state[1]);
-        serialStatusSignals[2].set_sensitive (state[2]);
-        serialStatusSignals[3].set_sensitive (state[3]);
+        serialStatusSignals[0].set_sensitive (state[0]); // RI
+        serialStatusSignals[1].set_sensitive (state[1]); // DSR
+        serialStatusSignals[2].set_sensitive (state[2]); // CD
+        serialStatusSignals[3].set_sensitive (state[3]); // CTS
         return true;
     }
 
diff --git a/src/SerialConnection.vala b/src/SerialConnection.vala
index 04e5af1..963b1a7 100644
--- a/src/SerialConnection.vala
+++ b/src/SerialConnection.vala
@@ -278,15 +278,15 @@ public class moserial.SerialConnection : GLib.Object {
         // newtio.c_cflag |= CREAD;
         // newtio.c_cc[VTIME] = 5;
 
-        int mcs = 0;
-        Posix.ioctl (m_fd, Linux.Termios.TIOCMGET, out mcs);
-        mcs |= Linux.Termios.TIOCM_RTS;
-        Posix.ioctl (m_fd, Linux.Termios.TIOCMSET, out mcs);
-
         if (settings.handshake == Settings.Handshake.HARDWARE || settings.handshake == 
Settings.Handshake.BOTH)
             newtio.c_cflag |= Linux.Termios.CRTSCTS;
         else
             newtio.c_cflag &= ~Linux.Termios.CRTSCTS;
+
+        int mcs = 0;
+        Posix.ioctl (m_fd, Linux.Termios.TIOCMGET, out mcs);
+        mcs |= Linux.Termios.TIOCM_RTS | Linux.Termios.TIOCM_DTR;
+        Posix.ioctl (m_fd, Linux.Termios.TIOCMSET, ref mcs);
     }
 
     public void controlDTR (bool y) {
@@ -297,7 +297,7 @@ public class moserial.SerialConnection : GLib.Object {
         } else {
             mcs &= ~Linux.Termios.TIOCM_DTR;
         }
-        Posix.ioctl (m_fd, Linux.Termios.TIOCMSET, out mcs);
+        Posix.ioctl (m_fd, Linux.Termios.TIOCMSET, ref mcs);
     }
 
     public void controlRTS (bool y) {
@@ -308,14 +308,14 @@ public class moserial.SerialConnection : GLib.Object {
         } else {
             mcs &= ~Linux.Termios.TIOCM_RTS;
         }
-        Posix.ioctl (m_fd, Linux.Termios.TIOCMSET, out mcs);
+        Posix.ioctl (m_fd, Linux.Termios.TIOCMSET, ref mcs);
     }
 
     public bool[] getStatus () {
         bool mcs[6];
         int stat;
         Posix.ioctl (m_fd, Linux.Termios.TIOCMGET, out stat);
-        // GLib.print("stat%x\r\n",stat);
+        // GLib.print("stat %x\r\n",stat);
         if ((stat & 0x080) == 0) // Linux.Termios.TIOCM_RI=0x080
             mcs[0] = false;
         else