Ugly but working playback code

esphome/fabula.yaml

@@ -22,6 +22,14 @@ wifi:
   password: "SediaChinita@Terrazzo2017"
 
 
+# ---------------------- Global variables ----------------------
+
+globals:
+  - id: current_folder
+    type: int
+    restore_value: no
+    initial_value: '0'
+
 
 # ---------------------- PN532 NFC Reader ----------------------
 
@@ -35,13 +43,7 @@ pn532_i2c:
   update_interval: 1s
   on_tag:
     then:
-      # - logger.log:
+      - !lambda |-
-      #     format: "NFC Tag found: %s"
-      #     args: [ 'tag.get_ndef_message()->get_records()[0]->get_payload().c_str()' ]
-      - dfplayer.play_folder:
-          loop: True
-          # Crashes somewhere here in the lambda
-          folder: !lambda |-
           if (tag.has_ndef_message()) {
             const auto &message = tag.get_ndef_message();
             const auto &records = message->get_records();
@@ -54,11 +56,18 @@ pn532_i2c:
               // Note: exception handling is disabled in ESPHome: the following line may crash the microcontroller if a tag with a textual record if scanned
               int folderId = std::stoi(record->get_payload());
               ESP_LOGD("Fabula", "  Found valid record in tag: playing folder %d", folderId);
+              id(current_folder) = folderId;
               return folderId;
             }
           }
           ESP_LOGD("Fabula", "  No valid record found in tag. Please add a text field containing the folder number, e.g. 001");
+          id(current_folder) = 0;
           return 0;
+      # - logger.log:
+      #     format: "NFC Tag found: %s"
+      #     args: [ 'tag.get_ndef_message()->get_records()[0]->get_payload().c_str()' ]
+      - dfplayer.play_folder:
+          folder: 
   on_tag_removed: 
     then:
       - logger.log: "NFC Tag removed"