Make KEEPALIVE_STATE a scoped auto-restore (#14446)

2019-06-29 22:49:50 -05:00
parent 19aafb9050
commit d16954dc88
13 changed files with 18 additions and 98 deletions
--- a/Marlin/src/gcode/gcode.h
+++ b/Marlin/src/gcode/gcode.h
@@ -339,9 +339,9 @@ public:

    static void host_keepalive();

-    #define KEEPALIVE_STATE(n) gcode.busy_state = gcode.n
+    #define KEEPALIVE_STATE(N) REMEMBER(_KA_, gcode.busy_state, gcode.N)
  #else
-    #define KEEPALIVE_STATE(n) NOOP
+    #define KEEPALIVE_STATE(N) NOOP
  #endif

  static void dwell(millis_t time);