fix: moved audio code to seperate module

FW/m5stack_audio/platformio.ini

@@ -13,9 +13,8 @@ platform = espressif32
 board = m5stack-atom
 framework = arduino
 lib_deps = 
-	earlephilhower/ESP8266Audio@^1.9.2
-	;m5stack/M5Core2@^0.0.6
-	https://github.com/lorol/LITTLEFS.git
+	;http://192.168.2.3/Bonobo.Git.Server/ESP8266Audio.git
+	;http://192.168.2.3/Bonobo.Git.Server/LittleFS_esp32.git
 monitor_speed = 115200
 lib_ldf_mode = deep+
 

FW/m5stack_audio/src/audio.cpp

@@ -0,0 +1,80 @@
+#include "audio.h"
+
+AudioGeneratorMP3 *mp3;
+AudioFileSourceID3 *id3;
+
+AudioFileSourceLittleFS *file;
+
+AudioOutputI2S *out;
+
+const char *waveFile = "/Let_it_be.mp3";
+
+// Called when a metadata event occurs (i.e. an ID3 tag, an ICY block, etc.
+void MDCallback(void *cbData, const char *type, bool isUnicode, const char *string)
+{
+  (void)cbData;
+  Serial.printf("ID3 callback for: %s = '", type);
+
+  if (isUnicode)
+  {
+    string += 2;
+  }
+
+  while (*string)
+  {
+    char a = *(string++);
+    if (isUnicode)
+    {
+      string++;
+    }
+    Serial.printf("%c", a);
+  }
+  Serial.printf("'\n");
+  Serial.flush();
+}
+
+// Called when there's a warning or error (like a buffer underflow or decode hiccup)
+void StatusCallback(void *cbData, int code, const char *string)
+{
+  const char *ptr = reinterpret_cast<const char *>(cbData);
+  // Note that the string may be in PROGMEM, so copy it to RAM for printf
+  char s1[64];
+  strncpy_P(s1, string, sizeof(s1));
+  s1[sizeof(s1)-1]=0;
+  Serial.printf("STATUS(%s) '%d' = '%s'\n", ptr, code, s1);
+  Serial.flush();
+}
+
+void initAudio()
+{
+
+
+  audioLogger = &Serial;
+  file = new AudioFileSourceLittleFS(waveFile);
+  id3 = new AudioFileSourceID3(file);
+  id3->RegisterMetadataCB(MDCallback, (void *)"ID3TAG");
+
+  mp3 = new AudioGeneratorMP3();
+  mp3->RegisterStatusCB(StatusCallback, (void*)"mp3");
+
+  out = new AudioOutputI2S();
+  out->SetPinout(19, 33, 22); //bclk, wclk, data
+  mp3->begin(id3, out);
+  out->SetGain(0.25);
+}
+
+void handleAudio()
+{
+  if (mp3->isRunning())
+  {
+    if (!mp3->loop())
+    {
+      mp3->stop();
+    }
+  }
+  else
+  {
+    Serial.printf("sound done\n");
+    delay(1000);
+  }
+}

FW/m5stack_audio/src/audio.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include "AudioFileSourcePROGMEM.h"
+#include <AudioFileSourceLittleFS.h>
+#include "AudioGeneratorMP3.h"
+#include "AudioFileSourceID3.h"
+#include "AudioOutputI2S.h"
+
+
+void initAudio(void);
+void handleAudio(void);

FW/m5stack_audio/src/main.cpp

@@ -1,62 +1,9 @@
 #include <Arduino.h>
 
-#include "AudioFileSourcePROGMEM.h"
-#include <AudioFileSourceLittleFS.h>
-//#include "AudioGeneratorWAV.h"
-#include "AudioGeneratorMP3.h"
-#include "AudioFileSourceID3.h"
-#include "AudioOutputI2S.h"
 
 #include "storage.h"
+#include "audio.h"
 
-// VIOLA sample taken from https://ccrma.stanford.edu/~jos/pasp/Sound_Examples.html
-#include "viola.h"
-
-//AudioGeneratorWAV *wav;
-AudioGeneratorMP3 *mp3;
-AudioFileSourceID3 *id3;
-
-AudioFileSourceLittleFS *file;
-
-AudioOutputI2S *out;
-
-const char *waveFile = "/Let_it_be.mp3";
-
-// Called when a metadata event occurs (i.e. an ID3 tag, an ICY block, etc.
-void MDCallback(void *cbData, const char *type, bool isUnicode, const char *string)
-{
-  (void)cbData;
-  Serial.printf("ID3 callback for: %s = '", type);
-
-  if (isUnicode)
-  {
-    string += 2;
-  }
-
-  while (*string)
-  {
-    char a = *(string++);
-    if (isUnicode)
-    {
-      string++;
-    }
-    Serial.printf("%c", a);
-  }
-  Serial.printf("'\n");
-  Serial.flush();
-}
-
-// Called when there's a warning or error (like a buffer underflow or decode hiccup)
-void StatusCallback(void *cbData, int code, const char *string)
-{
-  const char *ptr = reinterpret_cast<const char *>(cbData);
-  // Note that the string may be in PROGMEM, so copy it to RAM for printf
-  char s1[64];
-  strncpy_P(s1, string, sizeof(s1));
-  s1[sizeof(s1)-1]=0;
-  Serial.printf("STATUS(%s) '%d' = '%s'\n", ptr, code, s1);
-  Serial.flush();
-}
 
 void setup()
 {
@@ -64,33 +11,10 @@ void setup()
   delay(1000);
 
   initStorage();
-
-  audioLogger = &Serial;
-  file = new AudioFileSourceLittleFS(waveFile);
-  id3 = new AudioFileSourceID3(file);
-  id3->RegisterMetadataCB(MDCallback, (void *)"ID3TAG");
-
-  mp3 = new AudioGeneratorMP3();
-  mp3->RegisterStatusCB(StatusCallback, (void*)"mp3");
-
-  out = new AudioOutputI2S();
-  out->SetPinout(19, 33, 22); //bclk, wclk, data
-  mp3->begin(id3, out);
-  out->SetGain(0.25);
+  initAudio();
 }
 
 void loop()
 {
-  if (mp3->isRunning())
-  {
-    if (!mp3->loop())
-    {
-      mp3->stop();
-    }
-  }
-  else
-  {
-    Serial.printf("sound done\n");
-    delay(1000);
-  }
+  handleAudio();
 }