🐛 Fix SKR mini E2 V2 + BTT_MINI_12864_V1 (MarlinFirmware#24827)

See bigtreetech/BIGTREETECH-SKR-mini-E3#686 (comment)
SMHRambo · Feb 7, 2023 · 2999ad6 · 2999ad6
1 parent 07f0e7f
commit 2999ad6
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diff --git a/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_V2_0.h b/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_V2_0.h
@@ -21,41 +21,60 @@
  */
 #pragma once
 
-#define SKR_MINI_E3_V2
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME "BTT SKR Mini E3 V2.0"
+#endif
 
 #define BOARD_CUSTOM_BUILD_FLAGS -DTONE_CHANNEL=4 -DTONE_TIMER=4 -DTIMER_TONE=4
 
 // Onboard I2C EEPROM
 #if NO_EEPROM_SELECTED
   #define I2C_EEPROM
   #define SOFT_I2C_EEPROM
-  #define MARLIN_EEPROM_SIZE 0x1000                 // 4K
-  #define I2C_SDA_PIN                      PB7
-  #define I2C_SCL_PIN                      PB6
+  #define MARLIN_EEPROM_SIZE              0x1000  // 4K
+  #define I2C_SDA_PIN                       PB7
+  #define I2C_SCL_PIN                       PB6
   #undef NO_EEPROM_SELECTED
 #endif
 
-#include "pins_BTT_SKR_MINI_E3_common.h"
+#define FAN_PIN                             PC6
 
-#ifndef BOARD_INFO_NAME
-  #define BOARD_INFO_NAME "BTT SKR Mini E3 V2.0"
-#endif
+//
+// USB connect control
+//
+#define USB_CONNECT_PIN                     PA14
+
+/**
+ *            SKR Mini E3 V2.0
+ *                 ------
+ * (BEEPER)  PB5  | 1  2 | PA15 (BTN_ENC)
+ * (BTN_EN1) PA9  | 3  4 | RESET
+ * (BTN_EN2) PA10   5  6 | PB9  (LCD_D4)
+ * (LCD_RS)  PB8  | 7  8 | PB15 (LCD_EN)
+ *            GND | 9 10 | 5V
+ *                 ------
+ *                  EXP1
+ */
+#define EXP1_02_PIN                         PA15
+#define EXP1_08_PIN                         PB15
+
+#include "pins_BTT_SKR_MINI_E3_common.h"
 
 // Release PA13/PA14 (led, usb control) from SWD pins
 #define DISABLE_DEBUG
 
 #ifndef NEOPIXEL_PIN
-  #define NEOPIXEL_PIN                     PA8   // LED driving pin
+  #define NEOPIXEL_PIN                      PA8   // LED driving pin
 #endif
 
 #ifndef PS_ON_PIN
-  #define PS_ON_PIN                        PC13  // Power Supply Control
+  #define PS_ON_PIN                         PC13  // Power Supply Control
 #endif
 
-#define FAN1_PIN                           PC7
+#define FAN1_PIN                            PC7
 
 #ifndef CONTROLLER_FAN_PIN
-  #define CONTROLLER_FAN_PIN               FAN1_PIN
+  #define CONTROLLER_FAN_PIN            FAN1_PIN
 #endif
 
 #if HAS_TMC_UART

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
@@ -100,38 +100,31 @@
 #define HEATER_0_PIN                        PC8   // "HE"
 #define HEATER_BED_PIN                      PC9   // "HB"
 
-#ifdef SKR_MINI_E3_V2
-  #define FAN_PIN                           PC6
-#else
+#ifndef FAN_PIN
   #define FAN_PIN                           PA8   // "FAN0"
 #endif
 
 //
 // USB connect control
 //
-#ifdef SKR_MINI_E3_V2
-  #define USB_CONNECT_PIN                   PA14
-#else
+#ifndef USB_CONNECT_PIN
   #define USB_CONNECT_PIN                   PC13
 #endif
 
 #define USB_CONNECT_INVERTING              false
 
 /**
- *        SKR Mini E3 V1.0, V1.2                      SKR Mini E3 V2.0
- *                ------                                    ------
- * (BEEPER)  PB5  | 1  2 | PB6 (BTN_ENC)    (BEEPER)  PB5  | 1  2 | PA15 (BTN_ENC)
- * (BTN_EN1) PA9  | 3  4 | RESET            (BTN_EN1) PA9  | 3  4 | RESET
- * (BTN_EN2) PA10   5  6 | PB9  (LCD_D4)    (BTN_EN2) PA10   5  6 | PB9  (LCD_D4)
- * (LCD_RS)  PB8  | 7  8 | PB7  (LCD_EN)    (LCD_RS)  PB8  | 7  8 | PB15 (LCD_EN)
- *            GND | 9 10 | 5V                          GND | 9 10 | 5V
- *                ------                                    ------
- *                 EXP1                                      EXP1
+ *        SKR Mini E3 V1.0, V1.2
+ *                ------
+ * (BEEPER)  PB5  | 1  2 | PB6 (BTN_ENC)
+ * (BTN_EN1) PA9  | 3  4 | RESET
+ * (BTN_EN2) PA10   5  6 | PB9  (LCD_D4)
+ * (LCD_RS)  PB8  | 7  8 | PB7  (LCD_EN)
+ *            GND | 9 10 | 5V
+ *                ------
+ *                 EXP1
  */
-#ifdef SKR_MINI_E3_V2
-  #define EXP1_02_PIN                       PA15
-  #define EXP1_08_PIN                       PB15
-#else
+#ifndef EXP1_02_PIN
   #define EXP1_02_PIN                       PB6
   #define EXP1_08_PIN                       PB7
 #endif
@@ -269,8 +262,8 @@
      *
      *            ---                   ------
      *       RST | 1 |          (MISO) |10  9 | SCK
-     * (RX2) PA2 | 2 |         BTN_EN1 | 8  7 | (SS)
-     * (TX2) PA3 | 3 |         BTN_EN2 | 6  5 | MOSI
+     * (RX2) PA3 | 2 |         BTN_EN1 | 8  7 | (SS)
+     * (TX2) PA2 | 3 |         BTN_EN2 | 6  5 | MOSI
      *       GND | 4 |            (CD) | 4  3 | (RST)
      *        5V | 5 |           (GND) | 2  1 | (KILL)
      *            ---                   ------
@@ -285,24 +278,21 @@
      *   EXP1-8 ----------- EXP2-6   EN2
      *   EXP1-7 ----------- EXP1-5   RED
      *   EXP1-6 ----------- EXP2-8   EN1
-     *   EXP1-5 ----------- EXP1-6   LCD_RST
-     *   EXP1-4 ----------- n/c
+     *   EXP1-5 ----------- n/c
+     *   EXP1-4 ----------- EXP1-6   RESET
      *   EXP1-3 ----------- EXP1-8   LCD_CS
      *   EXP1-2 ----------- EXP1-9   ENC
      *   EXP1-1 ----------- EXP1-7   LCD_A0
      *
-     *    TFT-2 ----------- EXP2-9   SCK
-     *    TFT-3 ----------- EXP2-5   MOSI
+     *    TFT-2 ----------- EXP2-5   SCK
+     *    TFT-3 ----------- EXP2-9   MOSI
      *
      * for backlight configuration see steps 2 (V2.1) and 3 in https://wiki.fysetc.com/Mini12864_Panel/
      */
 
-    #define LCD_PINS_RS              EXP1_03_PIN    // CS
-    #define LCD_PINS_ENABLE                 PA3     // MOSI
     #define LCD_BACKLIGHT_PIN               -1
     #define NEOPIXEL_PIN             EXP1_07_PIN
-    #define LCD_CONTRAST                    255
-    #define LCD_RESET_PIN            EXP1_05_PIN
+    #define LCD_CONTRAST                     255
 
     #define DOGLCD_CS                EXP1_03_PIN
     #define DOGLCD_A0                EXP1_01_PIN