Slight changes

platformio.ini

@@ -8,16 +8,18 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-[env:az-delivery-devkit-v4]
+;[env:nodemcu-32s]
+[env:lolin32]
 platform = espressif32
-board = az-delivery-devkit-v4
+;board = nodemcu-32s
+board = lolin32
 framework = arduino
 monitor_speed = 115200
 board_build.partitions = no_ota.csv
+;board_build.partitions = min_spiffs.csv
+
 upload_port = /dev/cu.SLAB_USBtoUART
 monitor_port = /dev/cu.SLAB_USBtoUART
-build_flags = -O2
-build_unflags = -Os
 
 lib_deps =
  https://github.com/schreibfaul1/ESP32-audioI2S.git
@@ -33,5 +35,5 @@ lib_deps =
 ; https://github.com/pschatzmann/ESP32-A2DP.git
 
 ; Don't forget to run this script if you changed the html-files provided in any way
-;extra_scripts =
-; pre:processHtml.py
+extra_scripts =
+ pre:processHtml.py

src/main.cpp

@@ -1,13 +1,13 @@
 // Define modules to compile:
-//#define MQTT_ENABLE                 // Make sure to configure mqtt-server and (optionally) username+pwd
+#define MQTT_ENABLE                 // Make sure to configure mqtt-server and (optionally) username+pwd
 #define FTP_ENABLE                  // Enables FTP-server
 #define NEOPIXEL_ENABLE             // Don't forget configuration of NUM_LEDS if enabled
 #define NEOPIXEL_REVERSE_ROTATION   // Some Neopixels are adressed/soldered counter-clockwise. This can be configured here.
 #define LANGUAGE 1                  // 1 = deutsch; 2 = english
-//#define HEADPHONE_ADJUST_ENABLE     // Used to adjust (lower) volume for optional headphone-pcb (refer maxVolumeSpeaker / maxVolumeHeadphone)
+#define HEADPHONE_ADJUST_ENABLE     // Used to adjust (lower) volume for optional headphone-pcb (refer maxVolumeSpeaker / maxVolumeHeadphone)
 //#define SINGLE_SPI_ENABLE           // If only one SPI-instance should be used instead of two (not yet working!)
 #define SHUTDOWN_IF_SD_BOOT_FAILS   // Will put ESP to deepsleep if boot fails due to SD. Really recommend this if there's in battery-mode no other way to restart ESP! Interval adjustable via deepsleepTimeAfterBootFails.
-//#define MEASURE_BATTERY_VOLTAGE     // Enables battery-measurement via GPIO (ADC) and voltage-divider
+#define MEASURE_BATTERY_VOLTAGE     // Enables battery-measurement via GPIO (ADC) and voltage-divider
 //#define PLAY_LAST_RFID_AFTER_REBOOT // When restarting Tonuino, the last RFID that was active before, is recalled and played
 
 
@@ -135,8 +135,8 @@ float voltageIndicatorHigh = 4.2;                   // Upper range for Neopixel-
 
 #ifdef MEASURE_BATTERY_VOLTAGE
     #define VOLTAGE_READ_PIN            33          // Pin to monitor battery-voltage. Change to 35 if you're using Lolin D32 or Lolin D32 pro
-    uint16_t r1 = 391;                              // First resistor of voltage-divider (kOhms) (measure exact value with multimeter!)
-    uint8_t r2 = 128;                               // Second resistor of voltage-divider (kOhms) (measure exact value with multimeter!)
+    uint16_t r1 = 389;                              // First resistor of voltage-divider (kOhms) (measure exact value with multimeter!)
+    uint8_t r2 = 129;                               // Second resistor of voltage-divider (kOhms) (measure exact value with multimeter!)
 
     // Internal values
     float refVoltage = 3.3;                         // Operation-voltage of ESP32; don't change!
@@ -553,12 +553,9 @@ void createFile(fs::FS &fs, const char * path, const char * message){
     file.close();
 }
 
+
 bool fileExists(fs::FS &fs, const char *file) {
-    if (fs.exists(file)) {
-        return true;
-    } else {
-        return false;
-    }
+    return fs.exists(file);
 }
 
 /**
@@ -567,6 +564,8 @@ bool fileExists(fs::FS &fs, const char *file){
  * @param path
  * @param text
  */
+
+
 void appendToFile(fs::FS &fs, const char *path, const char *text) {
     File file = fs.open(path, FILE_APPEND);
     esp_task_wdt_reset();
@@ -607,15 +606,15 @@ void appendNodeToJSONFile(fs::FS &fs, const char * path, const char *filename, c
     //TODO: write a minified json, without all those whitespaces
     //      it is just easier to debug when json is in a nice format
     //      anyway ugly but works and is stable
-    file.print( "  {\n     \"id\" : \"");
+    file.print(F(( "  {\n     \"id\" : \"")));
     file.print(filename);
-    file.print("\",\n     \"parent\" : \"");
+    file.print(F("\",\n     \"parent\" : \""));
     file.print(parent);
-    file.print("\",\n    \"type\": \"");
+    file.print(F("\",\n    \"type\": \""));
     file.print(type);
-    file.print("\",\n   \"text\" : \"");
+    file.print(F("\",\n   \"text\" : \""));
     file.print(filename);
-    file.print("\"\n  }");
+    file.print(F("\"\n  }"));
     // i/o is timing critical keep all stuff running
     esp_task_wdt_reset();
     yield();