From c03c62395131527feaf76afba4c1f9e2bd459eb4 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Tue, 2 May 2017 15:38:39 -0500
Subject: [PATCH] Sanity-check Z2 endstop assigned to a nonexistent pin.
---
Marlin/SanityCheck.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Marlin/SanityCheck.h b/Marlin/SanityCheck.h
index 07e4224e23..722d7f5869 100644
--- a/Marlin/SanityCheck.h
+++ b/Marlin/SanityCheck.h
@@ -77,7 +77,7 @@
#elif defined(DISABLE_MAX_ENDSTOPS) || defined(DISABLE_MIN_ENDSTOPS)
#error "DISABLE_MAX_ENDSTOPS and DISABLE_MIN_ENDSTOPS deprecated. Use individual USE_*_PLUG options instead."
#elif ENABLED(Z_DUAL_ENDSTOPS) && !defined(Z2_USE_ENDSTOP)
- #error "Z_DUAL_ENDSTOPS settings are simplified. Just set Z2_USE_ENDSTOP to the endstop you want to repurpose for Z2"
+ #error "Z_DUAL_ENDSTOPS settings are simplified. Just set Z2_USE_ENDSTOP to the endstop you want to repurpose for Z2."
#elif defined(LANGUAGE_INCLUDE)
#error "LANGUAGE_INCLUDE has been replaced by LCD_LANGUAGE. Please update your configuration."
#elif defined(EXTRUDER_OFFSET_X) || defined(EXTRUDER_OFFSET_Y)
@@ -916,6 +916,8 @@ static_assert(1 >= 0
#elif ENABLED(Z_DUAL_ENDSTOPS)
#if !Z2_USE_ENDSTOP
#error "You must set Z2_USE_ENDSTOP with Z_DUAL_ENDSTOPS."
+ #elif Z2_MAX_PIN == 0 && Z2_MIN_PIN == 0
+ #error "Z2_USE_ENDSTOP has been assigned to a nonexistent endstop!"
#elif ENABLED(DELTA)
#error "Z_DUAL_ENDSTOPS is not compatible with DELTA."
#endif
--
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