Initial work for a controller GUI

lib/Slic3r/GUI.pm

@@ -9,6 +9,8 @@ use Slic3r::GUI::AboutDialog;
 use Slic3r::GUI::BedShapeDialog;
 use Slic3r::GUI::BonjourBrowser;
 use Slic3r::GUI::ConfigWizard;
+use Slic3r::GUI::Controller::Frame;
+use Slic3r::GUI::Controller::PrinterPanel;
 use Slic3r::GUI::MainFrame;
 use Slic3r::GUI::Notifier;
 use Slic3r::GUI::Plater;
@@ -292,4 +294,12 @@ sub CallAfter {
     push @cb, $cb;
 }
 
+sub show_printer_controller {
+    my ($self) = @_;
+    
+    $self->{controller_frame} = Slic3r::GUI::Controller::Frame->new;
+    $self->{controller_frame}->Show;
+    return $self->{controller_frame};
+}
+
 1;

lib/Slic3r/GUI/Controller/Frame.pm

@@ -0,0 +1,33 @@
+package Slic3r::GUI::Controller::Frame;
+use strict;
+use warnings;
+use utf8;
+
+use Wx qw(:frame :id :misc :sizer);
+use Wx::Event qw(EVT_CLOSE);
+use base 'Wx::Frame';
+
+sub new {
+    my ($class) = @_;
+    my $self = $class->SUPER::new(undef, -1, "Controller", wxDefaultPosition, [500,350], wxDEFAULT_FRAME_STYLE);
+    
+    $self->{sizer} = my $sizer = Wx::BoxSizer->new(wxVERTICAL);
+    $sizer->Add(Slic3r::GUI::Controller::PrinterPanel->new($self), 1, wxEXPAND);
+    
+    $self->SetSizer($sizer);
+    $self->SetMinSize($self->GetSize);
+    $sizer->SetSizeHints($self);
+    $self->Layout;
+    
+    EVT_CLOSE($self, sub {
+        my (undef, $event) = @_;
+        
+        # ...
+        
+        $event->Skip;
+    });
+    
+    return $self;
+}
+
+1;

lib/Slic3r/GUI/Controller/PrinterPanel.pm

@@ -0,0 +1,142 @@
+package Slic3r::GUI::Controller::PrinterPanel;
+use strict;
+use warnings;
+use utf8;
+
+use Wx qw(:panel :id :misc :sizer :button :bitmap);
+use Wx::Event qw(EVT_BUTTON);
+use base qw(Wx::Panel Class::Accessor);
+
+__PACKAGE__->mk_accessors(qw(sender));
+
+sub new {
+    my ($class, $parent) = @_;
+    my $self = $class->SUPER::new($parent, -1, wxDefaultPosition, wxDefaultSize);
+    
+    $self->{sizer} = my $sizer = Wx::StaticBoxSizer->new(Wx::StaticBox->new($self, -1, "Printer"), wxVERTICAL);
+    
+    # connection info
+    {
+        my $conn_sizer = Wx::BoxSizer->new(wxHORIZONTAL);
+        $sizer->Add($conn_sizer, 0, wxEXPAND);
+        {
+            my $text = Wx::StaticText->new($self, -1, "Port:", wxDefaultPosition, wxDefaultSize);
+            $conn_sizer->Add($text, 0, wxRIGHT | wxALIGN_CENTER_VERTICAL, 5);
+        }
+        {
+            $self->{serial_port_combobox} = Wx::ComboBox->new($self, -1, "", wxDefaultPosition, wxDefaultSize, []);
+            $self->scan_serial_ports;
+            $conn_sizer->Add($self->{serial_port_combobox}, 0, wxRIGHT | wxALIGN_CENTER_VERTICAL, 1);
+        }
+        {
+            $self->{btn_rescan_serial} = my $btn = Wx::BitmapButton->new($self, -1, Wx::Bitmap->new("$Slic3r::var/arrow_rotate_clockwise.png", wxBITMAP_TYPE_PNG),
+                wxDefaultPosition, wxDefaultSize, &Wx::wxBORDER_NONE);
+            $conn_sizer->Add($btn, 0, wxRIGHT | wxALIGN_CENTER_VERTICAL, 5);
+            EVT_BUTTON($self, $btn, sub { $self->scan_serial_ports });
+        }
+        {
+            my $text = Wx::StaticText->new($self, -1, "Speed:", wxDefaultPosition, wxDefaultSize);
+            $conn_sizer->Add($text, 0, wxLEFT | wxRIGHT | wxALIGN_CENTER_VERTICAL, 5);
+        }
+        {
+            $self->{serial_speed_combobox} = Wx::ComboBox->new($self, -1, "250000", wxDefaultPosition, wxDefaultSize,
+                ["115200", "250000"]);
+            $conn_sizer->Add($self->{serial_speed_combobox}, 0, wxRIGHT | wxALIGN_CENTER_VERTICAL, 5);
+        }
+    }
+    
+    # buttons
+    {
+        my $buttons_sizer = Wx::BoxSizer->new(wxHORIZONTAL);
+        $sizer->Add($buttons_sizer, 0, wxEXPAND);
+        {
+            $self->{btn_connect} = my $btn = Wx::Button->new($self, -1, "Connect", wxDefaultPosition, wxDefaultSize);
+            $buttons_sizer->Add($btn, 0, wxRIGHT, 5);
+            EVT_BUTTON($self, $btn, \&connect);
+        }
+        {
+            $self->{btn_disconnect} = my $btn = Wx::Button->new($self, -1, "Disconnect", wxDefaultPosition, wxDefaultSize);
+            $buttons_sizer->Add($btn, 0, wxRIGHT, 5);
+            EVT_BUTTON($self, $btn, \&disconnect);
+        }
+    }
+    
+    # status
+    $self->{status_text} = Wx::StaticText->new($self, -1, "Not connected", wxDefaultPosition, wxDefaultSize);
+    $sizer->Add($self->{status_text}, 0, wxEXPAND);
+    
+    $self->SetSizer($sizer);
+    $self->SetMinSize($self->GetSize);
+    $sizer->SetSizeHints($self);
+    
+    $self->_update_connection_controls;
+    
+    return $self;
+}
+
+sub _update_connection_controls {
+    my ($self) = @_;
+    
+    if ($self->sender && $self->sender->is_connected) {
+        $self->{btn_connect}->Hide;
+        $self->{btn_disconnect}->Show;
+        $self->{serial_port_combobox}->Disable;
+        $self->{serial_speed_combobox}->Disable;
+        $self->{btn_rescan_serial}->Disable;
+    } else {
+        $self->{btn_connect}->Show;
+        $self->{btn_disconnect}->Hide;
+        $self->{serial_port_combobox}->Enable;
+        $self->{serial_speed_combobox}->Enable;
+        $self->{btn_rescan_serial}->Enable;
+    }
+}
+
+sub set_status {
+    my ($self, $status) = @_;
+    $self->{status_text}->SetLabel($status);
+    $self->{status_text}->Refresh;
+}
+
+sub connect {
+    my ($self) = @_;
+    
+    return if $self->sender && $self->sender->is_connected;
+    
+    $self->set_status("Connecting...");
+    $self->sender(Slic3r::GCode::Sender->new);
+    my $res = $self->sender->connect(
+        $self->{serial_port_combobox}->GetValue,
+        $self->{serial_speed_combobox}->GetValue,
+    );
+    if (!$res) {
+        $self->set_status("Connection failed");
+    }
+    1 until $self->sender->is_connected;
+    $self->set_status("Connected");
+    $self->_update_connection_controls;
+}
+
+sub disconnect {
+    my ($self) = @_;
+    
+    return if !$self->sender || !$self->sender->is_connected;
+    
+    $self->sender->disconnect;
+    $self->set_status("Not connected");
+    $self->_update_connection_controls;
+}
+
+sub scan_serial_ports {
+    my ($self) = @_;
+    
+    $self->{serial_port_combobox}->Clear;
+    
+    # TODO: Windows ports
+    
+    # UNIX and OS X
+    $self->{serial_port_combobox}->Append($_)
+        for glob '/dev/{ttyUSB,ttyACM,tty.,cu.,rfcomm}*';
+}
+
+1;

lib/Slic3r/GUI/MainFrame.pm

@@ -228,6 +228,10 @@ sub _init_menubar {
         $self->_append_menu_item($windowMenu, "Select Print&er Settings Tab\tCtrl+4", 'Show the printer settings', sub {
             $self->select_tab($tab_count-1);
         });
+        $windowMenu->AppendSeparator();
+        $self->_append_menu_item($windowMenu, "Printer Controller", 'Show the printer controller', sub {
+            wxTheApp->show_printer_controller;
+        });
     }
     
     # Help menu

xs/src/libslic3r/GCodeSender.cpp

@@ -7,22 +7,53 @@
 #include <boost/algorithm/string/trim.hpp>
 #include <boost/lexical_cast.hpp>
 
+#if __APPLE__
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <IOKit/serial/ioss.h>
+#endif
+#ifdef __linux
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <linux/serial.h>
+#endif
+
 namespace Slic3r {
 
 namespace asio = boost::asio;
 
-GCodeSender::GCodeSender(std::string devname, unsigned int baud_rate)
+GCodeSender::GCodeSender()
     : io(), serial(io), can_send(false), sent(0), error(false), connected(false)
+{}
+
+GCodeSender::~GCodeSender()
 {
+    this->disconnect();
+}
+
+bool
+GCodeSender::connect(std::string devname, unsigned int baud_rate)
+{
+    
+    try {
         this->serial.open(devname);
-    this->serial.set_option(asio::serial_port_base::baud_rate(baud_rate));
+    } catch (boost::system::system_error &e) {
+        this->error = true;
+        return false;
+    }
+    
     this->serial.set_option(asio::serial_port_base::parity(asio::serial_port_base::parity::odd));
     this->serial.set_option(asio::serial_port_base::character_size(asio::serial_port_base::character_size(8)));
     this->serial.set_option(asio::serial_port_base::flow_control(asio::serial_port_base::flow_control::none));
     this->serial.set_option(asio::serial_port_base::stop_bits(asio::serial_port_base::stop_bits::one));
+    this->set_baud_rate(baud_rate);
+    
     this->serial.close();
     this->serial.open(devname);
     this->serial.set_option(asio::serial_port_base::parity(asio::serial_port_base::parity::none));
+    
+    // set baud rate again because set_option overwrote it
+    this->set_baud_rate(baud_rate);
     this->open = true;
     
     // this gives some work to the io_service before it is started
@@ -32,6 +63,52 @@ GCodeSender::GCodeSender(std::string devname, unsigned int baud_rate)
     // start reading in the background thread
     boost::thread t(boost::bind(&asio::io_service::run, &this->io));
     this->background_thread.swap(t);
+    
+    return true;
+}
+
+void
+GCodeSender::set_baud_rate(unsigned int baud_rate)
+{
+    try {
+        // This does not support speeds > 115200
+        this->serial.set_option(asio::serial_port_base::baud_rate(baud_rate));
+    } catch (boost::system::system_error &e) {
+        boost::asio::serial_port::native_handle_type handle = this->serial.native_handle();
+
+#if __APPLE__
+        termios ios;
+        ::tcgetattr(handle, &ios);
+        ::cfsetspeed(&ios, baud_rate);
+        speed_t newSpeed = baud_rate;
+        ioctl(handle, IOSSIOSPEED, &newSpeed);
+        ::tcsetattr(handle, TCSANOW, &ios);
+#endif
+#ifdef __linux
+        termios ios;
+        ::tcgetattr(handle, &ios);
+        ::cfsetispeed(&ios, B38400);
+        ::cfsetospeed(&ios, B38400);
+        ::tcflush(handle, TCIFLUSH);
+        ::tcsetattr(handle, TCSANOW, &ios);
+
+        struct serial_struct ss;
+        ioctl(handle, TIOCGSERIAL, &ss);
+        ss.flags = (ss.flags & ~ASYNC_SPD_MASK) | ASYNC_SPD_CUST;
+        ss.custom_divisor = (ss.baud_base + (baud_rate / 2)) / baud_rate;
+        //cout << "bbase " << ss.baud_base << " div " << ss.custom_divisor;
+        long closestSpeed = ss.baud_base / ss.custom_divisor;
+        //cout << " Closest speed " << closestSpeed << endl;
+        ss.reserved_char[0] = 0;
+        if (closestSpeed < baud * 98 / 100 || closestSpeed > baud_rate * 102 / 100) {
+            throw std::exception("Failed to set baud rate");
+        }
+
+        ioctl(handle, TIOCSSERIAL, &ss);
+#else
+        //throw invalid_argument ("OS does not currently support custom bauds");
+#endif
+    }
 }
 
 void

xs/src/libslic3r/GCodeSender.hpp

@@ -16,7 +16,9 @@ namespace asio = boost::asio;
 
 class GCodeSender : private boost::noncopyable {
     public:
-    GCodeSender(std::string devname, unsigned int baud_rate);
+    GCodeSender();
+    ~GCodeSender();
+    bool connect(std::string devname, unsigned int baud_rate);
     void send(const std::vector<std::string> &lines);
     void send(const std::string &s);
     void disconnect();
@@ -39,6 +41,7 @@ class GCodeSender : private boost::noncopyable {
     bool can_send;
     size_t sent;
     
+    void set_baud_rate(unsigned int baud_rate);
     void set_error_status(bool e);
     void do_close();
     void do_read();

xs/xsp/GCodeSender.xsp

@@ -8,12 +8,13 @@
 %}
 
 %name{Slic3r::GCode::Sender} class GCodeSender {
-    GCodeSender(std::string port, unsigned int baud_rate);
+    GCodeSender();
     ~GCodeSender();
     
+    bool connect(std::string port, unsigned int baud_rate);
+    void disconnect();
     bool is_connected() const;
     int queue_size() const;
-    void disconnect();
     void send(std::string s);
 };