From b0c4600115f40f1e4435c5c1a04bd1aeb9d789b3 Mon Sep 17 00:00:00 2001
From: RebornedBrain <RebornedBrain@gmail.com>
Date: Tue, 27 Aug 2024 17:46:49 +0300
Subject: [PATCH] Now 4a listener invokes upper level callback on Halt and
 FieldOff

---
 lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.c | 9 +++++++++
 lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.c b/lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.c
index 95612bf54..32cc8f198 100644
--- a/lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.c
+++ b/lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.c
@@ -84,6 +84,15 @@ static NfcCommand iso14443_4a_listener_run(NfcGenericEvent event, void* context)
         iso14443_3a_event->type == Iso14443_3aListenerEventTypeHalted ||
         iso14443_3a_event->type == Iso14443_3aListenerEventTypeFieldOff) {
         instance->state = Iso14443_4aListenerStateIdle;
+
+        instance->iso14443_4a_event.type = iso14443_3a_event->type ==
+                                                   Iso14443_3aListenerEventTypeHalted ?
+                                               Iso14443_4aListenerEventTypeHalted :
+                                               Iso14443_4aListenerEventTypeFieldOff;
+
+        if(instance->callback) {
+            command = instance->callback(instance->generic_event, instance->context);
+        }
         command = NfcCommandContinue;
     }
 
diff --git a/lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.h b/lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.h
index ba649847b..04f0b197a 100644
--- a/lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.h
+++ b/lib/nfc/protocols/iso14443_4a/iso14443_4a_listener.h
@@ -12,6 +12,7 @@ typedef struct Iso14443_4aListener Iso14443_4aListener;
 
 typedef enum {
     Iso14443_4aListenerEventTypeHalted,
+    Iso14443_4aListenerEventTypeFieldOff,
     Iso14443_4aListenerEventTypeReceivedData,
 } Iso14443_4aListenerEventType;