o Showing the value of the illegal command.

1 files changed, 4 insertions, 2 deletions

diff --git a/app.cpp b/app.cpp
index 05feaaa..a46734e 100644
--- a/app.cpp
+++ b/app.cpp
@@ -325,7 +325,8 @@ void write_req(struct sm_req const& req) {
       break;
 
     default:
-      Serial.print("Unknown command!");
+      Serial.print("Unknown command: ");
+      Serial.print(req.code);
   }
   Serial.println();
 }
@@ -371,7 +372,8 @@ void write_res(struct sm_res const& res) {
       break;
 
     default:
-      Serial.print("Unknown command!");
+      Serial.print("Unknown command: ");
+      Serial.print(res.code);
   }
   Serial.println();
 }