bthrm - Add debug option for active scanning

apps/bthrm/default.json

@@ -17,5 +17,6 @@
   "gracePeriodConnect": 0,
   "gracePeriodService": 0,
   "gracePeriodRequest": 0,
-  "bonding": false
+  "bonding": false,
+  "active": true
 }

apps/bthrm/lib.js

@@ -387,8 +387,14 @@ exports.enable = () => {
           return;
         }
         log("Requesting device with filters", filters);
-        promise = NRF.requestDevice({ filters: filters, active: true });
-
+        try {
+          promise = NRF.requestDevice({ filters: filters, active: settings.active });
+        } catch (e){
+          log("Error during initial request:", e);
+          onDisconnect(e);
+          return;
+        }
+        
         if (settings.gracePeriodRequest){
           log("Add " + settings.gracePeriodRequest + "ms grace period after request");
         }

apps/bthrm/settings.js

@@ -102,6 +102,12 @@
         writeSettings("bonding",v);
       }
     },
+    'Use active scanning': {
+      value: !!settings.active,
+      onchange: v => {
+        writeSettings("active",v);
+      }
+    },
     'Grace periods': function() { E.showMenu(submenu_grace); }
   };