From 8d157a45207ffd7e0fb16634d8d6eecf7a1f162f Mon Sep 17 00:00:00 2001
From: Marvin Sinister <marvin-sinister@users.noreply.github.com>
Date: Fri, 8 Nov 2019 02:39:08 +0100
Subject: [PATCH] Fix MKS MINI12864 on SKR 1.3 (#15836)

---
 .../HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp | 10 +++++-----
 Marlin/src/pins/lpc1768/pins_BIGTREE_SKR_V1.3.h        |  8 +++++---
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp b/Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp
index be704194bdb..479b3811d5e 100644
--- a/Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp
@@ -130,7 +130,7 @@ uint8_t swSpiTransfer_mode_3(uint8_t b, const uint8_t spi_speed, const pin_t sck
 static uint8_t SPI_speed = 0;
 
 static void u8g_sw_spi_HAL_LPC1768_shift_out(uint8_t dataPin, uint8_t clockPin, uint8_t val) {
-  #if ENABLED(FYSETC_MINI_12864)
+  #if EITHER(FYSETC_MINI_12864, MKS_MINI_12864)
     swSpiTransfer_mode_3(val, SPI_speed, clockPin, -1, dataPin);
   #else
     swSpiTransfer_mode_0(val, SPI_speed, clockPin, -1, dataPin);
@@ -158,10 +158,10 @@ uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val,
       break;
 
     case U8G_COM_MSG_CHIP_SELECT:
-      #if ENABLED(FYSETC_MINI_12864)           // LCD SPI is running mode 3 while SD card is running mode 0
-        if (arg_val) {                         //   SCK idle state needs to be set to the proper idle state before
-                                               //   the next chip select goes active
-          u8g_SetPILevel(u8g, U8G_PI_SCK, 1);  // Set SCK to mode 3 idle state before CS goes active
+      #if EITHER(FYSETC_MINI_12864, MKS_MINI_12864)  // LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {                               //   SCK idle state needs to be set to the proper idle state before
+                                                     //   the next chip select goes active
+          u8g_SetPILevel(u8g, U8G_PI_SCK, 1);        // Set SCK to mode 3 idle state before CS goes active
           u8g_SetPILevel(u8g, U8G_PI_CS, LOW);
         }
         else {
diff --git a/Marlin/src/pins/lpc1768/pins_BIGTREE_SKR_V1.3.h b/Marlin/src/pins/lpc1768/pins_BIGTREE_SKR_V1.3.h
index 73d414bf609..c7396887f47 100644
--- a/Marlin/src/pins/lpc1768/pins_BIGTREE_SKR_V1.3.h
+++ b/Marlin/src/pins/lpc1768/pins_BIGTREE_SKR_V1.3.h
@@ -228,7 +228,6 @@
       #define DOGLCD_A0    P1_19
       #define DOGLCD_SCK   P0_15
       #define DOGLCD_MOSI  P0_18
-      #define FORCE_SOFT_SPI
 
       #define LCD_BACKLIGHT_PIN -1
 
@@ -254,8 +253,11 @@
     #else // !FYSETC_MINI_12864
 
       #if ENABLED(MKS_MINI_12864)
-        #define DOGLCD_CS  P1_21
-        #define DOGLCD_A0  P1_22
+        #define DOGLCD_CS    P1_21
+        #define DOGLCD_A0    P1_22
+        #define DOGLCD_SCK   P0_15
+        #define DOGLCD_MOSI  P0_18
+        #define FORCE_SOFT_SPI
       #endif
 
       #if ENABLED(ULTIPANEL)