From 7fb01e3968eca3ebaa81d7cfba0a6d8881fdb94a Mon Sep 17 00:00:00 2001
From: jhchun <jh.chun@medithings.co.kr>
Date: Tue, 14 Jul 2026 14:44:15 +0900
Subject: [PATCH] =?UTF-8?q?DFU(SMP)=20=EC=A0=84=ED=99=98=20=EC=8B=9C=2010?=
 =?UTF-8?q?=EB=B6=84=20=ED=83=80=EC=9E=84=EC=95=84=EC=9B=83=20=EC=B6=94?=
 =?UTF-8?q?=EA=B0=80?=
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- SMP UUID로 광고 시 일반 NUS 스캔이 불가능
- DFU가 시작되지 못한 채 방치되는 경우 대비
---
 src/ble/ble_service.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/ble/ble_service.c b/src/ble/ble_service.c
index adb2e6d..2f51d10 100644
--- a/src/ble/ble_service.c
+++ b/src/ble/ble_service.c
@@ -406,7 +406,8 @@ static void adv_timeout_handler(struct k_work *work)
 {
     ARG_UNUSED(work);
 
-    if (!ble_connection_st && !advertising_unlimited && !dfu_advertising_mode)
+    // 미연결 상태에서만 발동하므로 DFU 광고도 동일하게 10분 후 종료(연결 중이면 발동 안 함)
+    if (!ble_connection_st && !advertising_unlimited)
     {
         DBG_PRINTF("[BLE] Advertising timeout\r\n");
         (void)ble_advertising_stop();
@@ -558,7 +559,15 @@ static void disconnected(struct bt_conn *conn, uint8_t reason)
     }
 
     ble_connection_st = false;
-    advertising_unlimited = ble_disconnect_reason_uses_unlimited_adv(reason);
+    if (dfu_advertising_mode)
+    {
+        // DFU 광고는 미연결 10분 타임아웃 적용
+        advertising_unlimited = false;
+    }
+    else
+    {
+        advertising_unlimited = ble_disconnect_reason_uses_unlimited_adv(reason);
+    }
     DBG_CORE("[BLE] Disconnected reason=0x%02x adv=%s\r\n",
              reason,
              advertising_unlimited ? "unlimited" : "10min");
@@ -747,7 +756,7 @@ int ble_advertising_start(void)
     }
 
     k_work_cancel_delayable(&adv_timeout_work);
-    if (!advertising_unlimited && !dfu_advertising_mode)
+    if (!advertising_unlimited)   // DFU 광고 포함, 미연결 10분 시 전원 OFF
     {
         k_work_schedule(&adv_timeout_work, K_MSEC(APP_ADV_DURATION * 10));
     }