From bbcade6bb35ad3d28eb3050b38739d6df327aa5e Mon Sep 17 00:00:00 2001
From: Nathan Kellenicki <nathan@kellenicki.com>
Date: Tue, 29 Jan 2019 19:02:11 -0800
Subject: [PATCH] Wait for second advertisement packet before reading hub name

---
 src/hub.ts       |  7 +++++--
 src/poweredup.ts | 17 ++++++++++-------
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/src/hub.ts b/src/hub.ts
index 908ea3b..0cc9113 100644
--- a/src/hub.ts
+++ b/src/hub.ts
@@ -31,7 +31,7 @@ export class Hub extends EventEmitter {
     protected _ports: {[port: string]: Port} = {};
     protected _characteristics: {[uuid: string]: Characteristic} = {};
 
-    protected _name: string;
+    protected _name: string = "";
     protected _firmwareInfo: IFirmwareInfo = { major: 0, minor: 0, bugFix: 0, build: 0 };
     protected _batteryLevel: number = 100;
     protected _voltage: number = 0;
@@ -46,7 +46,10 @@ export class Hub extends EventEmitter {
         this.autoSubscribe = !!autoSubscribe;
         this._peripheral = peripheral;
         this._uuid = peripheral.uuid;
-        this._name = peripheral.advertisement.localName;
+        // NK: This hack allows LPF2.0 hubs to send a second advertisement packet consisting of the hub name before we try to read it
+        setTimeout(() => {
+            this._name = peripheral.advertisement.localName;
+        }, 200);
     }
 
 
diff --git a/src/poweredup.ts b/src/poweredup.ts
index 8d38d45..10640e7 100644
--- a/src/poweredup.ts
+++ b/src/poweredup.ts
@@ -154,13 +154,16 @@ export class PoweredUP extends EventEmitter {
             }
         });
 
-        debug(`Hub ${hub.uuid} discovered`);
-        /**
-         * Emits when a Powered UP Hub device is found.
-         * @event PoweredUP#discover
-         * @param {WeDo2SmartHub | BoostMoveHub | PUPHub | PUPRemote | DuploTrainBase} hub
-         */
-        this.emit("discover", hub);
+        // NK: This hack allows LPF2.0 hubs to send a second advertisement packet consisting of the hub name before we try to read it
+        setTimeout(() => {
+            debug(`Hub ${hub.uuid} discovered`);
+            /**
+             * Emits when a Powered UP Hub device is found.
+             * @event PoweredUP#discover
+             * @param {WeDo2SmartHub | BoostMoveHub | PUPHub | PUPRemote | DuploTrainBase} hub
+             */
+            this.emit("discover", hub);
+        }, 500);
 
     }