From acbd3eff4c5fad7d79364bfa088df1d96c75a339 Mon Sep 17 00:00:00 2001
From: TinyO <tinysilk@hotmail.com>
Date: Thu, 8 Aug 2019 17:11:58 +0800
Subject: [PATCH] fix(*): add imu pipeline empty error output info.

---
 src/mynteye/device/standard2/channels_adapter_s2.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/mynteye/device/standard2/channels_adapter_s2.cc b/src/mynteye/device/standard2/channels_adapter_s2.cc
index 0e88de4..948e17e 100644
--- a/src/mynteye/device/standard2/channels_adapter_s2.cc
+++ b/src/mynteye/device/standard2/channels_adapter_s2.cc
@@ -73,7 +73,12 @@ void unpack_imu_packet(const std::uint8_t *data, ImuPacket *pkg) {
     unpack_imu_segment(ImuData(data + data_n * i), &seg);
     pkg->segments.push_back(seg);
   }
-  if (pkg->count) pkg->serial_number = pkg->segments.back().frame_id;
+  if (pkg->count) {
+    pkg->serial_number = pkg->segments.back().frame_id;
+  } else {
+    LOG(ERROR) << "The imu data pipeline lost more than 5 samples continuously, "
+               << "please check the device and firmware";
+  }
 }
 
 void unpack_imu_res_packet(const std::uint8_t *data, ImuResPacket *res) {