only print Serial1 if available data

3 years ago · fb12d2984b
parent df87990dcb
commit fb12d2984b
1 changed files with 4 additions and 2 deletions
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@ -3124,9 +3124,11 @@ void payload_OK_only()
 	  
  
    blink(50);
-    char result = Serial1.read();
+    if (Serial1.available()) {	  
+      char result = Serial1.read();
 //    Serial1.println(result);
-    Serial.println(result);
+      Serial.println(result);
+    }	    
    if (result == 'R') {
      Serial1.println("OK");
      delay(100);