DFU detection and port UI DFU option injection

js/port_handler.js

@@ -131,10 +131,27 @@ port_handler.prototype.check = function() {
             self.initial_ports = current_ports;
         }
 
-        self.main_timeout_reference = setTimeout(function() {
-            self.check();
-        }, 250);
+        check_usb_devices();
     });
+
+    function check_usb_devices() {
+        chrome.usb.getDevices(usbDevices.STM32DFU, function(result) {
+            if (result.length) {
+                if (!$("div#port-picker .port select [value='DFU']").length) {
+                    $('div#port-picker .port select').append('<option value="DFU">DFU</option>');
+                    $('div#port-picker .port select').val('DFU');
+                }
+            } else {
+                if ($("div#port-picker .port select [value='DFU']").length) {
+                   $("div#port-picker .port select [value='DFU']").remove();
+                }
+            }
+
+            self.main_timeout_reference = setTimeout(function() {
+                self.check();
+            }, 250);
+        });
+    }
 };
 
 port_handler.prototype.update_port_select = function(ports) {

js/serial_backend.js

@@ -10,7 +10,7 @@ $(document).ready(function() {
             var selected_port = String($('div#port-picker .port select').val());
             var selected_baud = parseInt($('div#port-picker #baud').val());
 
-            if (selected_port != '0') {
+            if (selected_port != '0' && selected_port != 'DFU') {
                 if (!clicks) {
                     console.log('Connecting to: ' + selected_port);
                     GUI.connecting_to = selected_port;

js/stm32dfu.js

@@ -55,6 +55,11 @@ var STM32DFU_protocol = function() {
     };
 };
 
+STM32DFU_protocol.prototype.connect = function(hex) {
+    var self = this;
+    self.hex = hex;
+};
+
 STM32DFU_protocol.prototype.openDevice = function(callback) {
 };
 

tabs/firmware_flasher.js

@@ -103,7 +103,11 @@ function tab_initialize_firmware_flasher() {
             if (!$(this).hasClass('locked')) {
                 if (!GUI.connect_lock) { // button disabled while flashing is in progress
                     if (parsed_hex != false) {
-                        STM32.connect(parsed_hex);
+                        if (String($('div#port-picker .port select').val()) != 'DFU') {
+                            STM32.connect(parsed_hex);
+                        } else {
+                            STM32DFU.connect(parsed_hex);
+                        }
                     } else {
                         STM32.GUI_status(chrome.i18n.getMessage('firmwareFlasherFirmwareNotLoaded'));
                     }