From 3f07065de2f4dd9194298828d1d96a85acc91307 Mon Sep 17 00:00:00 2001
From: jhChun <linea150028@gmail.com>
Date: Tue, 24 Mar 2026 18:18:52 +0900
Subject: [PATCH] =?UTF-8?q?BLE=20=EC=97=B0=EA=B2=B0=EC=9D=B4=20=EB=81=8A?=
 =?UTF-8?q?=EC=96=B4=EC=A7=80=EB=8A=94=20=EA=B2=BD=EC=9A=B0=20=EB=B9=84?=
 =?UTF-8?q?=EB=8F=99=EA=B8=B0=20=EC=B8=A1=EC=A0=95=20=EC=83=81=ED=83=9C?=
 =?UTF-8?q?=EB=A1=9C=20=EC=9D=B8=ED=95=9C=20=EB=A8=B9=ED=86=B5=20=ED=98=84?=
 =?UTF-8?q?=EC=83=81=20=EB=B0=A9=EC=A7=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- main.c: BLE disconnected -> maa_async_abort() 함수 호출
- dr_adc121s051c: maa_async_abort() 함수에서 상태를 IDLE로 초기화 및 정리
---
 pc_firm/dr_adc121s051/dr_adc121s051.c               | 10 ++++++++--
 project/ble_peripheral/ble_app_bladder_patch/main.c |  3 +++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/pc_firm/dr_adc121s051/dr_adc121s051.c b/pc_firm/dr_adc121s051/dr_adc121s051.c
index cc6a58d..d59c444 100644
--- a/pc_firm/dr_adc121s051/dr_adc121s051.c
+++ b/pc_firm/dr_adc121s051/dr_adc121s051.c
@@ -1388,11 +1388,17 @@ maa_async_state_t maa_async_get_state(void)
     return g_maa_ctx.state;
 }
 
+/*==============================================================================
+ * 비동기 측정 상태 IDLE로 초기화 - BLE 연결이 끊어지는 경우 먹통 현상 방지
+ *============================================================================*/
 void maa_async_abort(void)
 {
-    if (g_maa_ctx.state != MAA_ASYNC_IDLE) {
+    if (g_maa_ctx.state != MAA_ASYNC_IDLE)
+    {
         ADC_LOG("maa_async_abort: aborting from state %d", g_maa_ctx.state);
-        g_maa_ctx.state = MAA_ASYNC_IDLE;
+        g_maa_ctx.state = MAA_ASYNC_IDLE;   // 측정 상태 IDLE로 초기화
+        g_maa_ctx.on_complete_cb = NULL;    // abort 후 콜백 호출 방지
+        dr_piezo_power_off();               // 전체 측정 중간에 끊기는 경우 Piezo TX/RX Sleep
     }
 }
 
diff --git a/project/ble_peripheral/ble_app_bladder_patch/main.c b/project/ble_peripheral/ble_app_bladder_patch/main.c
index 52a17d3..968d250 100644
--- a/project/ble_peripheral/ble_app_bladder_patch/main.c
+++ b/project/ble_peripheral/ble_app_bladder_patch/main.c
@@ -1032,11 +1032,14 @@ static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context)
 
     switch (p_ble_evt->header.evt_id)
     {
+        /* BLE 연결이 끊어지는 경우 */
         case BLE_GAP_EVT_DISCONNECTED:
             DBG_PRINTF("[BLE] Disconnected\r\n");
             ble_connection_st = 0;
             m_conn_handle = BLE_CONN_HANDLE_INVALID;
             m_tx_in_progress = false;
+
+            maa_async_abort();  // 비동기 측정 상태에 의한 먹통 현상 방지
             
             if (device_status == true)
             {