Provide a migration path from pre-1.8.0 firmware backups.

_locales/en/messages.json

@@ -518,6 +518,9 @@
     "portsHelp": {
         "message": "Configure serial ports.  <strong>Note:</strong> not all combinations are valid.  When the flight controller firmware detects this the serial port configuration will be reset."
     },
+    "portsFirmwareUpgradeRequired": {
+        "message": "Firmware upgrade <span style=\"color: red\">required</span>.  Serial port configurations of firmware &lt; 1.8.0 is not supported."
+    },
     "portsButtonSave": {
         "message": "Save and Reboot"
     },
@@ -899,6 +902,9 @@
     "dataflashNotSupportedNote": {
         "message": "Your flight controller does not have a compatible dataflash chip available."
     },
+    "dataflashFirmwareUpgradeRequired": {
+        "message": "Dataflash requires firmware &gt;= 1.8.0."
+    },
     "dataflashButtonSaveFile": {
         "message": "Save flash to file..."
     },

js/backup_restore.js

@@ -102,7 +102,7 @@ function configuration_backup(callback) {
                 configuration.RCMAP = jQuery.extend(true, [], RC_MAP);
                 configuration.BF_CONFIG = jQuery.extend(true, {}, BF_CONFIG);
                 configuration.SERIAL_CONFIG = jQuery.extend(true, {}, SERIAL_CONFIG);
-                configuration.LED_STRIP = jQuery.extend(true, {}, LED_STRIP);
+                configuration.LED_STRIP = jQuery.extend(true, [], LED_STRIP);
 
                 save();
             }
@@ -332,9 +332,56 @@ function configuration_restore(callback) {
 
         if (!compareVersions(migratedVersion, '0.63.0')) {
             
-            // Serial configuation redesigned.  Until a migration is written just reset the serial port configuration
+            // LED Strip was saved as object instead of array.
+            if (typeof(configuration.LED_STRIP) == 'object') {
+                var fixed_led_strip = [];
+
+                var index = 0;
+                while (configuration.LED_STRIP[index]) {
+                    fixed_led_strip.push(configuration.LED_STRIP[index++]);
+                }
+                configuration.LED_STRIP = fixed_led_strip;
+            }
+
+            
+            // Serial configuation redesigned
+            var ports = [];
+            for (var portIndex = 0; portIndex < configuration.SERIAL_CONFIG.ports.length; portIndex++) {
+                var oldPort = configuration.SERIAL_CONFIG.ports[portIndex];
+
+                var newPort = {
+                    identifier: oldPort.identifier,
+                    functionMask: 0,
+                    msp_baudrate: configuration.SERIAL_CONFIG.mspBaudRate,
+                    gps_baudrate: configuration.SERIAL_CONFIG.gpsBaudRate,
+                    telemetry_baudrate: 0, // auto
+                    blackbox_baudrate: 5, // 115200
+                };
+                
+                switch(oldPort.scenario) {
+                    case 1: // MSP, CLI, TELEMETRY, SMARTPORT TELEMETRY, GPS-PASSTHROUGH
+                    case 5: // MSP, CLI, GPS-PASSTHROUGH
+                    case 8: // MSP ONLY
+                        newPort.functionMask = 1; // FUCNTION_MSP
+                    break;
+                    case 2: // GPS 
+                        newPort.functionMask = 2; // FUNCTION_GPS
+                    break;
+                    case 3: // RX_SERIAL 
+                        newPort.functionMask = 64; // FUNCTION_RX_SERIAL
+                    break;
+                    case 10: // BLACKBOX ONLY
+                        newPort.functionMask = 128; // FUNCTION_BLACKBOX
+                    break;
+                    case 11: // MSP, CLI, BLACKBOX, GPS-PASSTHROUGH
+                        newPort.functionMask = 1 + 128; // FUNCTION_BLACKBOX
+                    break;
+                }
+                
+                ports.push(newPort);
+            }
             configuration.SERIAL_CONFIG = { 
-                ports: [] 
+                ports: ports 
             };
             
             for (var profileIndex = 0; profileIndex < 3; profileIndex++) {

js/data_storage.js

@@ -3,9 +3,9 @@
 var CONFIGURATOR = {
     'releaseDate': 1424462791805, // new Date().getTime() - 2015.02.20
     'apiVersionAccepted': 1.2,
-    'backupRestoreMinApiVersionAccepted': 1.6,
+    'backupRestoreMinApiVersionAccepted': 1.5,
     'pidControllerChangeMinApiVersion': 1.5,
-    'backupFileMinVersionAccepted': '0.63', // chrome.runtime.getManifest().version is stored as string, so does this one
+    'backupFileMinVersionAccepted': '0.55', // chrome.runtime.getManifest().version is stored as string, so does this one
     'connectionValid': false,
     'connectionValidCliOnly': false,
     'cliActive': false,
@@ -89,6 +89,8 @@ var SERVO_CONFIG = [];
 
 var SERIAL_CONFIG = {
     ports: [],
+    
+    // pre 1.6 settings
     mspBaudRate: 0,
     gpsBaudRate: 0,
     gpsPassthroughBaudRate: 0,

tabs/dataflash.html

@@ -62,6 +62,6 @@
             <a href="#" class="save-flash" i18n="dataflashButtonSaveFile"></a>
         </div>
     </div>
-    <div class="note require-no-dataflash" i18n="dataflashNotSupportedNote">
+    <div class="note require-no-dataflash">
     </div>
 </div>

tabs/dataflash.js

@@ -1,6 +1,8 @@
 'use strict';
 
-TABS.dataflash = {};
+TABS.dataflash = {
+    available: false
+};
 TABS.dataflash.initialize = function (callback) {
     var 
         self = this,
@@ -18,11 +20,20 @@ TABS.dataflash.initialize = function (callback) {
         log_buffer = [];
 
     if (CONFIGURATOR.connectionValid) {
-        MSP.send_message(MSP_codes.MSP_DATAFLASH_SUMMARY, false, false, function() {
+        if (CONFIG.apiVersion < 1.6) {
+            load_html();
+            return;
+        }
+        
+        TABS.dataflash.available = true;
+        
+        MSP.send_message(MSP_codes.MSP_DATAFLASH_SUMMARY, false, false, load_html);
+    }
+    
+    function load_html() {
         $('#content').load("./tabs/dataflash.html", function() {
             create_html();
         });
-        });
     }
     
     function formatFilesize(bytes) {
@@ -71,12 +82,13 @@ TABS.dataflash.initialize = function (callback) {
     }
     
     function create_html() {
-        var
-            supportsDataflash = DATAFLASH.totalSize > 0;
         
         // translate to user-selected language
         localize();
        
+        if (TABS.dataflash.available) {
+            var supportsDataflash = DATAFLASH.totalSize > 0;
+            
             $(".tab-dataflash").toggleClass("supported", supportsDataflash);
 
             if (supportsDataflash) {
@@ -91,7 +103,13 @@ TABS.dataflash.initialize = function (callback) {
                 $('.tab-dataflash a.save-flash-dismiss').click(dismiss_saving_dialog);
                 
                 update_html();
+            } else {
+                $(".tab-dataflash .note").html(chrome.i18n.getMessage('dataflashNotSupportedNote'));
             }
+        } else {
+            $(".tab-dataflash .note").html(chrome.i18n.getMessage('dataflashFirmwareUpgradeRequired'));
+        }
+
         
         if (callback) callback();
     }

tabs/ports.css

@@ -65,3 +65,21 @@
 .tab-ports .save:hover {
     background-color: #dedcdc;
 }
+
+.tab-ports .note {
+    padding: 5px;
+    border: 1px dashed silver;
+    margin-bottom: 8px;
+}
+.require-support {
+    display:none;
+}
+.tab-ports.supported .require-support {
+    display:block;
+}
+.require-upgrade {
+    display:block;
+}
+.tab-ports.supported .require-upgrade {
+    display:none;
+}

tabs/ports.html

@@ -1,5 +1,6 @@
 <div id="content-watermark"></div>
 <div class="tab-ports">
+    <div class="require-support">
         <div class="help">
             <p i18n="portsHelp"></p>
         </div>
@@ -21,6 +22,9 @@
         <div class="buttons">
             <a class="save" href="#" i18n="portsButtonSave"></a>
         </div>
+    </div>
+    <div class="note require-upgrade" i18n="portsFirmwareUpgradeRequired">
+    </div>
 </div>
 
 <div id="tab-ports-templates">

tabs/ports.js

@@ -75,6 +75,13 @@ TABS.ports.initialize = function (callback, scrollPosition) {
 
     function update_ui() {
         
+        if (CONFIG.apiVersion < 1.6) {
+            
+            $(".tab-ports").removeClass("supported");
+            return;
+        }
+        
+        $(".tab-ports").addClass("supported");
         
         var portIdentifierToNameMapping = {
            0: 'UART1',