Fix an error when EXTRUDE_MINTEMP is not defined

9 years ago · 709dd5aa4d
parent 4b697938e6
commit 709dd5aa4d
1 changed files with 11 additions and 0 deletions
--- a/Marlin/Conditionals.h
+++ b/Marlin/Conditionals.h
@ -27,10 +27,21 @@

 #ifndef CONDITIONALS_H

+/**
+* Miscellaneous
+*/
 #ifndef M_PI
  #define M_PI 3.1415926536
 #endif

+/**
+ * This value is used by M109 when tying to calculate a ballpark safe margin
+ * to prevent wait-forever situation.
+ */
+#ifndef EXTRUDE_MINTEMP
+ #define EXTRUDE_MINTEMP 170
+#endif
+
 #ifndef CONFIGURATION_LCD // Get the LCD defines which are needed first

  #define PIN_EXISTS(PN) (defined(PN##_PIN) && PN##_PIN >= 0)