From bd7ea4a17a6083f465fa199f84d1b55ef7c1c838 Mon Sep 17 00:00:00 2001
From: jhchun <jh.chun@medithings.co.kr>
Date: Tue, 25 Aug 2026 18:23:37 +0900
Subject: [PATCH] =?UTF-8?q?BLE=20advertising=20=EC=83=81=ED=83=9C=20?=
 =?UTF-8?q?=EC=A0=95=EB=A6=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 연결 성공 시 advertising stop
- 이미 advertising 꺼진 경우 -EALREADY 정상 처리
- advertising identity 사용 옵션 추가: BT_LE_ADV_OPT_USE_IDENTITY
---
 src/ble/ble_service.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/ble/ble_service.c b/src/ble/ble_service.c
index 570ed21..b5cec68 100644
--- a/src/ble/ble_service.c
+++ b/src/ble/ble_service.c
@@ -571,6 +571,7 @@ static void connected(struct bt_conn *conn, uint8_t err)
 
     current_conn = bt_conn_ref(conn);
     ble_connection_st = true;
+    (void)ble_advertising_stop();
     ble_tx_power_on_connected(conn); // TX power/RSSI 상태는 별도 모듈에서 관리
 
     char addr_str[BT_ADDR_LE_STR_LEN];
@@ -768,6 +769,7 @@ int ble_service_init(ble_data_rx_cb_t rx_cb)
     k_work_init_delayable(&pairing_window_timeout_work, pairing_window_timeout_handler);
 #endif
     ble_tx_power_init();
+
     // BLE stack 활성화
     err = bt_enable(NULL);
     if (err)
@@ -825,7 +827,7 @@ int ble_advertising_start(void)
     };
 
     struct bt_le_adv_param adv_param = BT_LE_ADV_PARAM_INIT(
-        BT_LE_ADV_OPT_CONN,
+        BT_LE_ADV_OPT_CONN | BT_LE_ADV_OPT_USE_IDENTITY,
         APP_ADV_INTERVAL,           // min interval
         APP_ADV_INTERVAL,           // max interval
         NULL                        // undirected
@@ -862,6 +864,13 @@ int ble_advertising_start(void)
 int ble_advertising_stop(void)
 {
     int err = bt_le_adv_stop();
+    if (err == -EALREADY)
+    {
+        k_work_cancel_delayable(&adv_timeout_work);
+        DBG_PRINTF("[BLE] Advertising already stopped\r\n");
+        return 0;
+    }
+
     if (err)
     {
         DBG_ERR("[BLE] Adv stop failed (err %d)\r\n", err);