BigTreeTech SKR Mini v1.1 (#14041)

Marlin/src/pins/pins.h

@@ -414,6 +414,8 @@
   #include "pins_STM32F1R.h"          // STM32F1                                    env:STM32F1
 #elif MB(STM3R_MINI)
   #include "pins_STM3R_MINI.h"        // STM32F1                                    env:STM32F1
+#elif MB(BIGTREE_SKR_MINI_V1_1)
+  #include "pins_BIGTREE_SKR_MINI_V1_1.h" // STM32F1                                env:BIGTREE_SKR_MINI
 #elif MB(MALYAN_M200)
   #include "pins_MALYAN_M200.h"       // STM32F1                                    env:malyanm200
 #elif MB(CHITU3D)

Marlin/src/pins/pins_BIGTREE_SKR_MINI_V1_1.h

@@ -0,0 +1,134 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef TARGET_STM32F1
+  #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#endif
+
+#ifndef BOARD_NAME
+  #define BOARD_NAME "BIGTREE SKR mini V1.1"
+#endif
+
+// Ignore temp readings during develpment.
+//#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN          PC2
+#define X_MAX_PIN          PA2
+#define Y_MIN_PIN          PC1
+#define Y_MAX_PIN          PA1
+#define Z_MIN_PIN          PC0
+#define Z_MAX_PIN          PC3
+
+//
+// Steppers
+//
+
+/**
+ * TODO: Currently using same Enable pin for all steppers.
+ */
+
+#define X_STEP_PIN         PC6
+#define X_DIR_PIN          PC7
+#define X_ENABLE_PIN       PB15
+
+#define Y_STEP_PIN         PB13
+#define Y_DIR_PIN          PB14
+#define Y_ENABLE_PIN       PB12
+
+#define Z_STEP_PIN         PB10
+#define Z_DIR_PIN          PB11
+#define Z_ENABLE_PIN       PB2
+
+#define E0_STEP_PIN        PC5
+#define E0_DIR_PIN         PB0
+#define E0_ENABLE_PIN      PC4
+
+#if ENABLED(TMC_USE_SW_SPI)
+  #define TMC_SW_SCK       PB3
+  #define TMC_SW_MISO      PB4
+  #define TMC_SW_MOSI      PB5
+#endif
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN       PA8
+#define FAN_PIN            PC8
+#define HEATER_BED_PIN     PC9
+
+//
+// Temperature Sensors
+//
+#define TEMP_BED_PIN         PB1   // Analog Input
+#define TEMP_0_PIN           PA0   // Analog Input
+
+//
+// LCD Pins
+//
+
+/**
+ *               _____                                             _____
+ *           NC | · · | GND                                    5V | · · | GND
+ *        RESET | · · | 1.31(SD_DETECT)             (LCD_D7) 1.23 | · · | 1.22 (LCD_D6)
+ *   (MOSI)0.18 | · · | 3.25(BTN_EN2)               (LCD_D5) 1.21 | · · | 1.20 (LCD_D4)
+ *  (SD_SS)0.16 | · · | 3.26(BTN_EN1)               (LCD_RS) 1.19 | · · | 1.18 (LCD_EN)
+ *    (SCK)0.15 | · · | 0.17(MISO)                 (BTN_ENC) 0.28 | · · | 1.30 (BEEPER)
+ *               ￣￣                                               ￣￣
+ *               EXP2                                              EXP1
+ */
+
+#if ENABLED(ULTRA_LCD)
+
+  #define BEEPER_PIN       PC10
+  #define BTN_ENC          PC11
+  #define LCD_PINS_RS      PC12
+
+  #define BTN_EN1          PD2
+  #define BTN_EN2          PB8
+
+  #define LCD_PINS_ENABLE  PB6
+  #define LCD_PINS_D4      PC13
+
+  #if ENABLED(ULTIPANEL)
+    #define LCD_PINS_D5    PB7
+    #define LCD_PINS_D6    PC15
+    #define LCD_PINS_D7    PC14
+  #endif
+
+#endif // ULTRA_LCD
+
+//
+// SD Card
+//
+
+// Marlin uses the SD drive attached to the LCD
+//#define STM32_SD_LCD
+
+#ifdef STM32_SD_LCD
+  #define SD_DETECT_PIN    PB9
+  #define ENABLE_SPI3
+#else
+  #define SD_DETECT_PIN    PA3
+#endif