1 files changed, 4 insertions, 4 deletions
diff --git a/apps/sm-serial-read.cpp b/apps/sm-serial-read.cpp
index 4dab17b..ff311a1 100644
--- a/apps/sm-serial-read.cpp
+++ b/apps/sm-serial-read.cpp
@@ -79,14 +79,14 @@ public:
             }
         }
 
-        cout << "port closed" << endl;
+        cerr << "port closed" << endl;
     }
 
     void on_packet(shared_ptr<vector<uint8_t>> packet) {
 //        std::chrono::time_point<std::chrono::system_clock> ;
         auto timestamp = std::chrono::system_clock::now().time_since_epoch().count();
         auto s = std::string((char *) packet->data(), packet->size());
-        cout << "packet: " << s << endl;
+        cerr << "packet: " << s << endl;
 
         static const boost::regex e("#(\\d+) = (\\d+)");
 
@@ -165,9 +165,9 @@ public:
         port.set_option(serial_port_base::stop_bits(serial_port_base::stop_bits::two));
 
         if (port.is_open()) {
-            cout << "port is open" << endl;
+            cerr << "port is open" << endl;
         } else {
-            cout << "port is not open" << endl;
+            cerr << "port is not open" << endl;
         }
 
         port_handler(format, port_name, port).run();