DWIN LCD pins for BTT SKR Mini V2

MarlinFirmware · Jul 3, 2021 · 17b2dcb · 17b2dcb
1 parent 03a4697
commit 17b2dcb
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Showing 2 changed files with 27 additions and 2 deletions.
diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h
@@ -1078,7 +1078,11 @@
 #if ENABLED(DWIN_CREALITY_LCD)
   #define SERIAL_CATCHALL 0
   #ifndef LCD_SERIAL_PORT
-    #define LCD_SERIAL_PORT 3 // Creality 4.x board
+    #if MB(BTT_SKR_MINI_E3_V2_0)
+      #define LCD_SERIAL_PORT 1
+    #else
+      #define LCD_SERIAL_PORT 3 // Creality 4.x board
+    #endif
   #endif
 #endif
 

diff --git a/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h b/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h
@@ -134,7 +134,28 @@
   #define EXP1_3                            PB7
 #endif
 
-#if HAS_WIRED_LCD
+#if ENABLED(DWIN_CREALITY_LCD)
+  /**
+   *        SKR Mini E3 V1.0, V1.2                      SKR Mini E3 V2.0
+   *                _____                                     _____
+   *     (VCC)  5V | 1 2 | GND  (GND)             (VCC)   5V | 1 2 | GND  (GND)
+   *       (A) PB7 | 3 4 | PB8  (B)                 (A) PB15 | 3 4 | PB8  (B)
+   *           PB9 | 5 6   PA10 (RX)                    PB9  | 5 6   PA10 (RX)
+   *         RESET | 7 8 | PA9  (TX)                   RESET | 7 8 | PA9  (TX)
+   *    (BEEP) PB6 | 9 10| PB5  (ENT)            (BEEP) PA15 | 9 10| PB5  (ENT)
+   *                -----                                     -----
+   *                EXP1                                      EXP1
+   *
+   * Labels in parenthesis reflect labels printed on LCD board.
+   */
+
+  #error "DWIN_CREALITY_LCD requires a custom cable, see diagram above this line. Comment out this line to continue."
+
+  #define BEEPER_PIN              EXP1_9
+  #define BTN_EN1                 EXP1_3
+  #define BTN_EN2                 PB8
+  #define BTN_ENC                 PB5
+#elif HAS_WIRED_LCD
 
   #if ENABLED(CR10_STOCKDISPLAY)