From 2a9d9b084a94d339540fcd49f6d3ac6de5befd28 Mon Sep 17 00:00:00 2001
From: Eric Betts <bettse@fastmail.fm>
Date: Mon, 18 Aug 2025 18:01:10 -0700
Subject: [PATCH] Reset SAM on read error

---
 scenes/seader_scene_read_card_success.c | 5 +++++
 t_1.c                                   | 6 ++++++
 t_1.h                                   | 1 +
 3 files changed, 12 insertions(+)

diff --git a/scenes/seader_scene_read_card_success.c b/scenes/seader_scene_read_card_success.c
index bb1cec0..2fcd5d4 100644
--- a/scenes/seader_scene_read_card_success.c
+++ b/scenes/seader_scene_read_card_success.c
@@ -51,6 +51,11 @@ void seader_scene_read_card_success_on_enter(void* context) {
         }
     } else {
         furi_string_set(type_str, "Read error");
+
+        SeaderWorker* seader_worker = seader->worker;
+        SeaderUartBridge* seader_uart = seader_worker->uart;
+        seader_t_1_reset();
+        seader_ccid_check_for_sam(seader_uart);
     }
 
     widget_add_button_element(
diff --git a/t_1.c b/t_1.c
index 70a7780..4ee9baf 100644
--- a/t_1.c
+++ b/t_1.c
@@ -31,6 +31,12 @@ uint8_t seader_next_cpcb() {
     return cPCB;
 }
 
+void seader_t_1_reset() {
+    NAD = 0x00;
+    dPCB = 0x40;
+    cPCB = 0x00;
+}
+
 void seader_t_1_set_IFSD(Seader* seader) {
     SeaderWorker* seader_worker = seader->worker;
     SeaderUartBridge* seader_uart = seader_worker->uart;
diff --git a/t_1.h b/t_1.h
index 7f8355a..98129fa 100644
--- a/t_1.h
+++ b/t_1.h
@@ -7,3 +7,4 @@ typedef struct CCID_Message CCID_Message;
 void seader_send_t1(SeaderUartBridge* seader_uart, uint8_t* apdu, size_t len);
 bool seader_recv_t1(Seader* seader, CCID_Message* message);
 void seader_t_1_set_IFSD(Seader* seader);
+void seader_t_1_reset();