From dd637a95714909da0a3ee8ed380dd8b53c663308 Mon Sep 17 00:00:00 2001
From: Andrew Combs <andrewcombs13@gmail.com>
Date: Wed, 20 Jul 2022 22:05:20 -0400
Subject: [PATCH] Remove debug print and add LED

Add an LED that's lit when the bluetooth remote connects and goes out when it disconnects. Also remove some debug print statements.
---
 RainSpeaker/src/Bluetooth.cpp |  4 ++++
 RainSpeaker/src/main.cpp      | 21 ++++-----------------
 2 files changed, 8 insertions(+), 17 deletions(-)

diff --git a/RainSpeaker/src/Bluetooth.cpp b/RainSpeaker/src/Bluetooth.cpp
index d45eea6..e3bc2fc 100644
--- a/RainSpeaker/src/Bluetooth.cpp
+++ b/RainSpeaker/src/Bluetooth.cpp
@@ -12,6 +12,8 @@ static BLERemoteCharacteristic *pRemoteCharacteristicEnc;
 static BLERemoteCharacteristic *pRemoteCharacteristicBtn;
 static BLEAdvertisedDevice *myDevice;
 
+extern int greenLedPin;
+
 Bluetooth::Bluetooth()
 {
 }
@@ -58,12 +60,14 @@ class MyClientCallback : public BLEClientCallbacks
 {
     void onConnect(BLEClient *pclient)
     {
+        digitalWrite(greenLedPin, HIGH);
     }
 
     void onDisconnect(BLEClient *pclient)
     {
         connected = false;
         Serial.println("onDisconnect");
+        digitalWrite(greenLedPin, LOW);
     }
 };
 
diff --git a/RainSpeaker/src/main.cpp b/RainSpeaker/src/main.cpp
index 216a84f..3b97586 100644
--- a/RainSpeaker/src/main.cpp
+++ b/RainSpeaker/src/main.cpp
@@ -19,11 +19,15 @@ uint8_t volume;
 uint8_t prevVol;
 int actualVolume = 70;
 
+int greenLedPin = selfAudioKit->pinGreenLed();
+
 void setup()
 {
   Serial.begin(115200);
   // AudioLogger::instance().begin(Serial, AudioLogger::Info);
 
+  pinMode(greenLedPin, OUTPUT);
+
   bt.Init();
   bt.SetVolumePointer(&volume);
 
@@ -50,13 +54,6 @@ void loop()
     bt.Run();
 
     int delta = volume - prevVol;
-    Serial.print(volume);
-    Serial.print(" | ");
-    Serial.print(prevVol);
-    Serial.print(" | ");
-    Serial.print(delta);
-    Serial.print(" | ");
-
     prevVol = volume;
 
     if (delta > 128)
@@ -69,14 +66,8 @@ void loop()
       delta = delta + 256;
     }
 
-    Serial.print(delta);
-    Serial.print(" | ");
-
     actualVolume += delta;
 
-    Serial.print(actualVolume);
-    Serial.print(" | ");
-
     if (actualVolume < 0)
     {
       actualVolume = 0;
@@ -87,11 +78,7 @@ void loop()
       actualVolume = 100;
     }
 
-    Serial.print(actualVolume);
-    Serial.print(" | ");
-
     float vol = (float)actualVolume / 100.0;
-    Serial.println(vol);
     player.setVolume(vol);
   }