From 3a44a7b6dea651391a9965ebf8b7d2c0f678efdc Mon Sep 17 00:00:00 2001
From: xue <2144439972@qq.com>
Date: Thu, 11 Jun 2026 10:47:01 +0800
Subject: [PATCH] =?utf8?q?=E9=80=82=E9=85=8D=E4=BC=98=E5=8C=96=E5=90=8E?=
 =?utf8?q?=E8=A1=80=E5=8E=8B=E5=87=BD=E6=95=B0?=
MIME-Version: 1.0
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---
 .../bloodpressure/include/BPMainPresenter.h   |  1 +
 .../bloodpressure/src/BPMainPresenter.cpp     | 36 +++++++++++++++++--
 2 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/code/sdk/application/wearable/n9/nativeapp/nativeui/bloodpressure/include/BPMainPresenter.h b/code/sdk/application/wearable/n9/nativeapp/nativeui/bloodpressure/include/BPMainPresenter.h
index 0fdcb98d3..039664eea 100644
--- a/code/sdk/application/wearable/n9/nativeapp/nativeui/bloodpressure/include/BPMainPresenter.h
+++ b/code/sdk/application/wearable/n9/nativeapp/nativeui/bloodpressure/include/BPMainPresenter.h
@@ -53,6 +53,7 @@ private:
   void StopProgressSession();
   void OnProgressTick();
   void OnProgressTimeout();
+  void OnWeakSignalDetected();
   void UpdateProgressUi(int percent);
   void CompleteCalibrationFlow(uint8_t sbp, uint8_t dbp);
   void CompleteMeasureFlow(uint8_t sbp, uint8_t dbp);
diff --git a/code/sdk/application/wearable/n9/nativeapp/nativeui/bloodpressure/src/BPMainPresenter.cpp b/code/sdk/application/wearable/n9/nativeapp/nativeui/bloodpressure/src/BPMainPresenter.cpp
index 0e78c4416..8fe76e054 100644
--- a/code/sdk/application/wearable/n9/nativeapp/nativeui/bloodpressure/src/BPMainPresenter.cpp
+++ b/code/sdk/application/wearable/n9/nativeapp/nativeui/bloodpressure/src/BPMainPresenter.cpp
@@ -7,6 +7,7 @@
 #include "bloodpressure/include/BPViewClickIds.h"
 #include "bloodpressure/include/BPCalibStopView.h"
 #include "bloodpressure/include/BPMeasuringView.h"
+#include "bloodpressure/include/BPAbnormalView.h"
 #include "bloodpressure/include/BPCalibratingView.h"
 #include "bloodpressure/include/BPAbnormalView.h"
 #include "NativeRegisterManager.h"
@@ -220,9 +221,16 @@ bool BPMainPresenter::PollPpgResult() {
 #ifdef SUPPORT_PPG_SERVICE
   int sbp = 0;
   int dbp = 0;
+  uint8_t status = 0;
   // ppg_get_bp(&sbp, &dbp);
-  WEARABLE_LOGE(WEARABLE_LOG_MODULE_APP, "[BP] PollPpgResult mode=%d sbp=%d dbp=%d",
-                static_cast<int>(progressMode_), sbp, dbp);
+  ppg_get_ecg_bp(&sbp, &dbp, &status);
+  WEARABLE_LOGE(WEARABLE_LOG_MODULE_APP, "[BP] PollPpgResult mode=%d status=%u sbp=%d dbp=%d",
+                static_cast<int>(progressMode_), status, sbp, dbp);
+
+  if (status == PPG_ECG_BP_STATUS_WEAK_SIGNAL) {
+    OnWeakSignalDetected();
+    return true;
+  }
 
   if (progressMode_ == BPProgressMode::Measure) {
     if (!IsValidBpReading(sbp, dbp)) {
@@ -322,6 +330,30 @@ void BPMainPresenter::OnProgressTimeout() {
   }
 }
 
+/** ECG 信号弱：停止采集并进入异常页，保留模式供重试 */
+void BPMainPresenter::OnWeakSignalDetected() {
+  if (progressMode_ == BPProgressMode::None) {
+    return;
+  }
+  lastTimeoutMode_ = progressMode_;
+  StopProgressSession();
+  progressDataReceived_ = true;
+
+  BPMainView *mainView = BPMainView::GetInstance();
+  if (mainView == nullptr) {
+    return;
+  }
+  int16_t current = mainView->GetCurrentViewId();
+  if (current == BP_CALIB_STOP_VIEW && stopReturnView_ < MAX_BPVIEW) {
+    current = stopReturnView_;
+  }
+  if (current != BP_MEASURING_VIEW && current != BP_CALIBRATING_VIEW) {
+    WEARABLE_LOGW(WEARABLE_LOG_MODULE_APP, "[BP] weak signal ignored on view=%d", current);
+    return;
+  }
+  mainView->ChangeView(current, BP_ABNORMAL_VIEW, BP_ABNORMAL_TYPE_MEASURE_TIMEOUT);
+}
+
 void BPMainPresenter::CompleteCalibrationFlow(uint8_t sbp, uint8_t dbp) {
   UNUSED(sbp);
   UNUSED(dbp);
-- 
2.17.1