Add sdkconfig.defaults for BLE, remove bad CONFIG flags, increase stack

platformio.ini

@@ -17,9 +17,7 @@ build_flags =
     -DARDUINO_USB_MODE=0
     -DARDUINO_USB_CDC_ON_BOOT=1
     -DUSE_TINYUSB=1
-    -DCONFIG_BT_ENABLED=1
-    -DCONFIG_BT_NIMBLE_ENABLED=1
-    -DCONFIG_BTDM_CTRL_MODE_BLE_ONLY=1
+    -DCONFIG_ARDUINO_LOOP_STACK_SIZE=16384
 
 monitor_speed = 115200
 

sdkconfig.defaults

@@ -0,0 +1,7 @@
+CONFIG_BT_ENABLED=y
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_TASK_STACK_SIZE=6144
+CONFIG_BT_NIMBLE_ROLE_PERIPHERAL=y
+CONFIG_BT_NIMBLE_ROLE_BROADCASTER=y

src/main.cpp

@@ -348,8 +348,10 @@ void setup() {
     
     Serial.println("[INIT] Initializing USB MIDI...");
     midi_transport.begin();
+    delay(1500);
 
     Serial.println("[INIT] Initializing BLE MIDI...");
+    delay(2000);
     ble_midi_transport.begin();
 
     Serial.println("[INIT] Registering MIDI callbacks...");