updated hall code

FW/leo_muziekdoos_esp32/platformio.ini

@@ -12,7 +12,9 @@
 platform = espressif32
 board = m5stack-atom
 framework = arduino
-lib_deps = bblanchon/ArduinoJson@^6.18.5
+lib_deps = 
+	bblanchon/ArduinoJson@^6.18.5
+	kosme/arduinoFFT@^1.5.6
 monitor_speed = 115200
 lib_ldf_mode = deep+
 extra_scripts = ./littlefsbuilder.py

FW/leo_muziekdoos_esp32/src/audio.cpp

@@ -5,7 +5,7 @@ AudioFileSourceID3 *id3;
 AudioFileSourceLittleFS *file;
 AudioOutputI2S *out;
 
-uint8_t i = 0;
+uint8_t audio_current_Song = 0;
 uint8_t n = 0;
 
 const char *waveFile[] =
@@ -72,23 +72,28 @@ void initAudio()
   mp3 = new AudioGeneratorMP3();
   mp3->RegisterStatusCB(StatusCallback, (void *)"mp3");
   Serial.println("init Audio Done");
-  playSong(i);
+  //playSong(audio_current_Song);
 }
 
 void handleAudio()
 {
-  if (mp3->isRunning())
+  if (hallIsIdle())
   {
-    if (!mp3->loop())
+    if (mp3->isRunning())
     {
+      Serial.println("Audio: stop playback");
       mp3->stop();
-      if(n++ >= AUDIOREPEATS)
+    }
+  }
+  else
+  {
+    if (mp3->isRunning())
+    {
+      if (!mp3->loop())
       {
-        i++;
-        n= 0;
+        mp3->stop();
+        playSong(audio_current_Song);
       }
-      //playSong(i);
-      ;
     }
   }
 }

FW/leo_muziekdoos_esp32/src/audio.h

@@ -7,7 +7,9 @@
 #include "AudioFileSourceID3.h"
 #include "AudioOutputI2S.h"
 
-#define AUDIOGAIN     0.7
+#include "game.h"
+
+#define AUDIOGAIN     0.25
 #define AUDIONSONGS   3
 #define AUDIOREPEATS  3
 

FW/leo_muziekdoos_esp32/src/game.cpp

@@ -1,7 +1,12 @@
 #include "game.h"
 
+#include "math.h"
 
-uint64_t last_hall_read;
+
+uint32_t last_hall_read;
+uint16_t last_hall_sample;
+uint8_t hall_idle_count;
+bool hall_is_Idle = true;
 
 void initGame(void)
 {
@@ -14,7 +19,42 @@ void handleGame(void)
   uint32_t timeNow = millis();
   if(timeNow - last_hall_read > HALLINTERVAL)
   {
-      Serial.println(analogRead(HALL_INPUT));
+      uint16_t hall_sample = analogRead(HALL_INPUT);
+      uint16_t hall_delta = (last_hall_sample > hall_sample)?  (last_hall_sample - hall_sample) : (hall_sample - last_hall_sample);
+      if(hall_delta > HALLIDLETHRESHOLD)
+      {
+        if(hall_idle_count > HALLIDLESAMPLES)
+        {
+          hall_is_Idle = false;
+        }
+        else
+        {
+          hall_idle_count++;
+        }
+      }
+      else
+      {
+        if(hall_idle_count == 0)
+        {
+          hall_is_Idle = true;
+        }
+        else
+        {
+          hall_idle_count--;
+        }
+      }
+      Serial.printf("HallSensor: val=%d, delta=%d, count=%d, idle=%s\n",
+                    hall_sample,
+                    hall_delta,
+                    hall_idle_count,
+                    (hall_is_Idle? "yes":"no"));
+      last_hall_sample = hall_sample;
       last_hall_read = timeNow;
+
   }
+}
+
+bool hallIsIdle(void)
+{
+  return hall_is_Idle;
 }

FW/leo_muziekdoos_esp32/src/game.h

@@ -3,7 +3,10 @@
 #include "Arduino.h"
 #include "board.h"
 
-#define HALLINTERVAL 500
+#define HALLINTERVAL        200
+#define HALLIDLETHRESHOLD   11
+#define HALLIDLESAMPLES     4
 
 void initGame(void);
-void handleGame(void);
+void handleGame(void);
+bool hallIsIdle(void);

FW/leo_muziekdoos_esp32/src/power.cpp

@@ -3,9 +3,17 @@
 
 bool powerbutton_released = true;
 
+#define DR_REG_RTCCNTL_BASE                     0x3ff48000
+#define RTC_CNTL_BROWN_OUT_REG          (DR_REG_RTCCNTL_BASE + 0xd4)
+
+
+
 void initPowerOn(void)
 {
+  //disable brownout
+  WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable brownout detector
 
+  //enable LDO
   pinMode(PWR_HOLD, OUTPUT);
   pinMode(PWR_BTN, INPUT);
   digitalWrite(PWR_HOLD, HIGH);