From 2dee384bf5538e0a0d27b13b0cfa2daa90346512 Mon Sep 17 00:00:00 2001
From: Jens Noack <jnoack@>
Date: Fri, 6 Aug 2021 14:59:00 +0200
Subject: [PATCH] added some dummy resistors to keep battery running

---
 vscode/RamsachMp3Glocke/src/main.cpp | 96 +++++++++++++++++++++++-----
 1 file changed, 79 insertions(+), 17 deletions(-)

diff --git a/vscode/RamsachMp3Glocke/src/main.cpp b/vscode/RamsachMp3Glocke/src/main.cpp
index 57df8b8..37ad009 100644
--- a/vscode/RamsachMp3Glocke/src/main.cpp
+++ b/vscode/RamsachMp3Glocke/src/main.cpp
@@ -5,23 +5,35 @@
 #define RX D2
 #define BUTTON D1
 
+#define R1 D8
+#define R2 D5
+
+#define RED_LED D7
+#define GREEN_LED D6
+
+#define LDR_HIGH A0 //yellow
+
 #define STARTED_STRING "Status: playing"
 #define STOPPED_STRING "Status: stopped"
-#define MAX_PLAYTIME 60000
+#define MAX_PLAYTIME 25000
 
 unsigned long lastpressed = 0;
 unsigned long pressed_cycles = 0;
 unsigned long lastreleased = 0;
 const unsigned long wait_until_next_pressed = 100;
 
+unsigned long last_res = millis();
+bool is_res = false;
+
 SerialMP3Player mp3(RX,TX);
 
 bool button_pressed(unsigned int button_pin){
   static bool buttons_state = false;
   if(millis() - lastpressed > wait_until_next_pressed)
   {
-    if(digitalRead(button_pin) == LOW)
+    if(digitalRead(button_pin) == HIGH)
     {
+      //Serial.printf("PRESSED\n");
       pressed_cycles++;
       lastpressed = millis();
       buttons_state = true;
@@ -39,36 +51,88 @@ void setup() {
 
   Serial.begin(115200);     // start serial interface
   pinMode(BUTTON,INPUT_PULLUP);
+  pinMode(RED_LED,OUTPUT);
+  pinMode(GREEN_LED,OUTPUT);
+  pinMode(R1,OUTPUT);
+  pinMode(R2,OUTPUT);
+
+  digitalWrite(R1, LOW);
+  digitalWrite(R2, LOW);
+
+  digitalWrite(RED_LED, LOW);
+  digitalWrite(GREEN_LED, HIGH);
 
   WiFi.mode(WIFI_OFF);
   WiFi.forceSleepBegin();
   delay(10);
 
   mp3.begin(9600);        // start mp3-communication
-  delay(500);             // wait for init
-
-
   mp3.setVol(25);
-  delay(500);
-  
   mp3.sendCommand(CMD_SEL_DEV, 0, 2);   //select sd-card
-  delay(500);             // wait for init
+  delay(50);             // wait for init
  
 }
 
+bool was_high = false;
+void check_battery()
+{
+
+  int is_high = analogRead(LDR_HIGH);
+  //Serial.printf("IS HIGH: %d \n", is_high);
+
+  if(is_high>50)
+  {
+    if(false == was_high)
+    {
+      digitalWrite(RED_LED, LOW);
+      digitalWrite(GREEN_LED, HIGH);
+      was_high = true;
+    }
+  }
+  else
+  {
+    if(true == was_high)
+    {
+      digitalWrite(RED_LED, HIGH);
+      digitalWrite(GREEN_LED, LOW);
+      was_high = false;
+    }
+  }
+}
+
+void set_dummy_res()
+{
+  if(millis() > last_res + 60000)
+  {
+    last_res = millis();
+    is_res = true;
+    digitalWrite(R1, HIGH);
+    digitalWrite(R2, HIGH);
+  }
+  if(is_res == true && millis() > last_res + 5000)
+  {
+    is_res = false;
+    digitalWrite(R1, LOW);
+    digitalWrite(R2, LOW);
+  }
+}
+
 // the loop function runs over and over again forever
 unsigned long started_plying = 0;
 bool playing = false;
 void loop() {
   
- 
+  set_dummy_res();
+
+  check_battery();
+
   if(true == button_pressed(BUTTON))
   {
     playing = false;
     mp3.play(1);
     started_plying = millis(); 
-    Serial.println("");          
-    Serial.println("Song playing started!");
+    //Serial.println("");          
+    //Serial.println("Song playing started!");
     while((playing == false) && (millis()-started_plying < MAX_PLAYTIME))
     {
       delay(100);
@@ -78,11 +142,10 @@ void loop() {
         if(answer.indexOf(STARTED_STRING) > -1)
         {
           playing = true;
-          Serial.println("Song started!");
+          //Serial.println("Song started!");
         }
       }
     }
-
     while((playing == true) && (millis()-started_plying < MAX_PLAYTIME))
     {
       delay(100);
@@ -92,16 +155,15 @@ void loop() {
         if(answer.indexOf(STOPPED_STRING) > -1)
         {
           playing = false;
-          Serial.println("Song finished!");
+          //Serial.println("Song finished!");
         }
 
       }
     }
-
     if(playing == true)
       mp3.stop();
-    Serial.println("Song playing done!");
-
+    //Serial.println("Song playing done!");
+    
     while(true == button_pressed(BUTTON))
     {
         delay(100);