M221 with no parameters report flow

7 years ago · 52c024e260
parent 01b01f6dfd
commit 52c024e260
1 changed files with 8 additions and 0 deletions
--- a/Marlin/src/gcode/config/M221.cpp
+++ b/Marlin/src/gcode/config/M221.cpp
@ -32,4 +32,12 @@ void GcodeSuite::M221() {
    planner.flow_percentage[target_extruder] = parser.value_int();
    planner.refresh_e_factor(target_extruder);
  }
+  else {
+    SERIAL_ECHO_START();
+    SERIAL_CHAR('E');
+    SERIAL_CHAR('0' + target_extruder);
+    SERIAL_ECHOPAIR(" Flow: ", planner.flow_percentage[target_extruder]);
+    SERIAL_CHAR('%');
+    SERIAL_EOL();
+  }
 }