First experiments

.gitignore

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+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch

.vscode/extensions.json

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+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
+}

README.md

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+# HannaBox
+
+
+## Pins
+RX -> DIN
+D8 -> BCLK
+D4 -> LRC
+5V -> Vin
+GND -> GND
+
+## Links
+
+https://github.com/earlephilhower/ESP8266Audio
+

platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:d1_mini]
+platform = espressif8266
+board = d1_mini
+framework = arduino
+lib_deps = 
+	tzapu/WiFiManager@^0.16.0
+	earlephilhower/ESP8266Audio@^1.9.7
+monitor_speed = 115200

src/main.cpp

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+#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
+
+// needed for library
+#include <DNSServer.h>
+#include <ESP8266WebServer.h>
+#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
+
+#include "AudioFileSourceSPIFFS.h"
+#include "AudioGeneratorMP3.h"
+#include "AudioOutputI2SNoDAC.h"
+
+AudioGeneratorMP3 *mp3;
+AudioFileSourceSPIFFS *file;
+AudioOutputI2SNoDAC *out;
+
+void setup()
+{
+  // put your setup code here, to run once:
+  Serial.begin(115200);
+
+  // WiFiManager
+  // Local intialization. Once its business is done, there is no need to keep it around
+  
+  
+  //WiFiManager wifiManager;
+  
+  
+  // reset saved settings
+  // wifiManager.resetSettings();
+
+  // set custom ip for portal
+  // wifiManager.setAPStaticIPConfig(IPAddress(10,0,1,1), IPAddress(10,0,1,1), IPAddress(255,255,255,0));
+
+  // fetches ssid and pass from eeprom and tries to connect
+  // if it does not connect it starts an access point with the specified name
+  // here  "AutoConnectAP"
+  // and goes into a blocking loop awaiting configuration
+  //wifiManager.autoConnect("AutoConnectAP");
+  // or use this for auto generated name ESP + ChipID
+  
+  
+  // wifiManager.autoConnect();
+
+  // if you get here you have connected to the WiFi
+  Serial.println("connected...yeey :)");
+  audioLogger = &Serial;
+  
+  SPIFFS.begin();
+  Serial.println("beginning mp3 setup...");
+  file = new AudioFileSourceSPIFFS("/ex.mp3");
+  out = new AudioOutputI2SNoDAC();
+  mp3 = new AudioGeneratorMP3();
+  if (!mp3->begin(file, out)) {
+    Serial.println("could not play file.");
+  }
+  
+
+}
+
+void loop()
+{
+  if (mp3->isRunning())
+  {
+    if (!mp3->loop())
+      mp3->stop();
+  }
+  else
+  {
+    Serial.printf("MP3 done\n");
+    delay(1000);
+  }
+  
+}

test/README

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+
+This directory is intended for PlatformIO Test Runner and project tests.
+
+Unit Testing is a software testing method by which individual units of
+source code, sets of one or more MCU program modules together with associated
+control data, usage procedures, and operating procedures, are tested to
+determine whether they are fit for use. Unit testing finds problems early
+in the development cycle.
+
+More information about PlatformIO Unit Testing:
+- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html