From e0ca244623ea106c3bfdb9b576dfd52487d43abd Mon Sep 17 00:00:00 2001
From: kpishere <kevindpeck@gmail.com>
Date: Fri, 12 Feb 2021 06:00:41 -0500
Subject: [PATCH] Fix AZSMZ_12864 on SMART RAMPS (#21056)
---
Marlin/src/pins/ramps/pins_RAMPS.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Marlin/src/pins/ramps/pins_RAMPS.h b/Marlin/src/pins/ramps/pins_RAMPS.h
index 5bcd877dcd..3f22d2a539 100644
--- a/Marlin/src/pins/ramps/pins_RAMPS.h
+++ b/Marlin/src/pins/ramps/pins_RAMPS.h
@@ -307,6 +307,9 @@
*
* Hardware serial communication ports.
* If undefined software serial is used according to the pins below
+ *
+ * Serial2 -- AUX-4 Pin 18 (D16 TX2) and AUX-4 Pin 17 (D17 RX2)
+ * Serial1 -- Pins D18 and D19 are used for Z-MIN and Z-MAX
*/
//#define X_HARDWARE_SERIAL Serial1
//#define X2_HARDWARE_SERIAL Serial1
@@ -690,7 +693,9 @@
#elif ENABLED(AZSMZ_12864)
// Pins only defined for RAMPS_SMART currently
- #error "No pins defined for RAMPS with AZSMZ_12864."
+ #if DISABLED(IS_RAMPS_SMART)
+ #error "No pins defined for RAMPS with AZSMZ_12864."
+ #endif
#elif IS_TFTGLCD_PANEL