From 7a0d6552928ea885b76c4eac7bbb95fd1187fa9b Mon Sep 17 00:00:00 2001
From: ellensp <ellensp@hotmail.com>
Date: Sun, 20 Sep 2020 03:18:42 +1200
Subject: [PATCH] Ultratronics Pro SPI pins (#19444)

---
 Marlin/src/pins/sam/pins_ULTRATRONICS_PRO.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Marlin/src/pins/sam/pins_ULTRATRONICS_PRO.h b/Marlin/src/pins/sam/pins_ULTRATRONICS_PRO.h
index 671307bc0..75b29629e 100644
--- a/Marlin/src/pins/sam/pins_ULTRATRONICS_PRO.h
+++ b/Marlin/src/pins/sam/pins_ULTRATRONICS_PRO.h
@@ -23,6 +23,7 @@
 
 /**
  * ReprapWorld ULTRATRONICS v1.0
+ * https://reprapworld.com/documentation/datasheet_ultratronics10_05.pdf
  */
 
 #ifndef ARDUINO_ARCH_SAM
@@ -146,6 +147,10 @@
 #define SPI_EEPROM2_CS                        -1
 #define SPI_FLASH_CS                          -1
 
+#define SCK_PIN                               76
+#define MISO_PIN                              74
+#define MOSI_PIN                              75
+
 // SPI for Max6675 or Max31855 Thermocouple
 #define MAX6675_SS_PIN                        65
 #define MAX31855_SS0                          65