From b998fd869a1f6dbd31bff76aaf8dd3f65cf49ad5 Mon Sep 17 00:00:00 2001
From: 0xFEEDC0DE64 <daniel@brunner.ninja>
Date: Sun, 31 May 2020 00:07:30 +0200
Subject: [PATCH] Made device names unique

---
 src/actions/bluetoothbeginaction.h       |  2 +-
 src/actions/bluetoothbeginmasteraction.h |  2 +-
 src/globals.h                            |  2 ++
 src/main.cpp                             | 11 +++++++++--
 4 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/actions/bluetoothbeginaction.h b/src/actions/bluetoothbeginaction.h
index c73a562..0801fb7 100644
--- a/src/actions/bluetoothbeginaction.h
+++ b/src/actions/bluetoothbeginaction.h
@@ -11,7 +11,7 @@ class BluetoothBeginAction : public virtual ActionInterface
 public:
     void triggered() override
     {
-        if (!bluetoothSerial.begin("bobbyquad"))
+        if (!bluetoothSerial.begin(deviceName))
         {
             Serial.println("Could not begin bluetooth");
             // TODO: better error handling
diff --git a/src/actions/bluetoothbeginmasteraction.h b/src/actions/bluetoothbeginmasteraction.h
index d4b4253..3d862f2 100644
--- a/src/actions/bluetoothbeginmasteraction.h
+++ b/src/actions/bluetoothbeginmasteraction.h
@@ -11,7 +11,7 @@ class BluetoothBeginMasterAction : public virtual ActionInterface
 public:
     void triggered() override
     {
-        if (!bluetoothSerial.begin("bobbyquad", true))
+        if (!bluetoothSerial.begin(deviceName, true))
         {
             Serial.println("Could not begin bluetooth master");
             // TODO: better error handling
diff --git a/src/globals.h b/src/globals.h
index 134402f..e36702c 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -24,6 +24,8 @@ float gametrakX, gametrakY, gametrakDist;
 #endif
 float avgSpeed, avgSpeedKmh, sumCurrent, sumAbsoluteCurrent;
 
+char deviceName[16];
+
 Settings settings;
 SettingsSaver settingsSaver;
 
diff --git a/src/main.cpp b/src/main.cpp
index f45a2f4..1f83de8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,3 +1,5 @@
+#include <cstdio>
+
 #include <Arduino.h>
 #include <HardwareSerial.h>
 #include <WiFi.h>
@@ -61,10 +63,15 @@ void setup()
 
     updateSwapFrontBack();
 
+    {
+        uint8_t macAddress[6];
+        WiFi.macAddress(&macAddress[0]);
+        std::sprintf(deviceName, "bobbyquad_%02hhx%02hhx%02hhx", macAddress[3], macAddress[4], macAddress[5]);
+    }
+
     WiFi.mode(WIFI_AP_STA);
-    WiFi.softAP("bobbyquad", "Passwort_123");
+    WiFi.softAP(deviceName, "Passwort_123");
     WiFi.begin("realraum", "r3alraum");
-    //WiFi.begin("McDonalds Free WiFi 2.4GHz", "Passwort_123");
 
     BluetoothBeginMasterAction{}.triggered();
 #ifdef FEATURE_BMS