From 40089249c3e70d7c16f5822d4ef9a0b6a28c5fd4 Mon Sep 17 00:00:00 2001
From: Bob-the-Kuhn <bob.kuhn@att.net>
Date: Fri, 28 Apr 2017 16:47:59 -0500
Subject: [PATCH] add PIN_EXISTS to HAS_xyz_MIN macro
---
Marlin/Conditionals_post.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Marlin/Conditionals_post.h b/Marlin/Conditionals_post.h
index 02a1eb0f6b..90e04d95f7 100644
--- a/Marlin/Conditionals_post.h
+++ b/Marlin/Conditionals_post.h
@@ -406,7 +406,9 @@
#endif
#endif
- #define IS_Z2_OR_PROBE(P) (P == Z2_MIN_PIN || P == Z2_MAX_PIN || P == Z_MIN_PROBE_PIN)
+ #define IS_Z2_OR_PROBE(P) (PIN_EXISTS(Z2_MIN_PIN) && (P == Z2_MIN_PIN) \
+ || PIN_EXISTS(Z2_MAX_PIN) && (P == Z2_MAX_PIN) \
+ || PIN_EXISTS(Z_MIN_PROBE_PIN) && (P == Z_MIN_PROBE_PIN))
/**
* Set ENDSTOPPULLUPS for active endstop switches