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+/**
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+ * Marlin 3D Printer Firmware
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+ * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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+ *
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+ * Based on Sprinter and grbl.
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+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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+ *
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+ * This program is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation, either version 3 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ *
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+ */
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+#pragma once
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+
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+#define BOARD_INFO_NAME "BIGTREE SKR 1.4"
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+
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+//
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+// SD Connection
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+//
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+#ifndef SDCARD_CONNECTION
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+ #define SDCARD_CONNECTION LCD
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+#endif
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+
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+//
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+// Servos
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+//
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+#define SERVO0_PIN P2_00
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+
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+//
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+// Limit Switches
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+//
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+#define X_STOP_PIN P1_29
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+#define Y_STOP_PIN P1_28
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+#define Z_STOP_PIN P1_27
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+
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+//
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+// Z Probe (when not Z_MIN_PIN)
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+//
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+#ifndef Z_MIN_PROBE_PIN
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+ #define Z_MIN_PROBE_PIN P0_10
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+#endif
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+
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+//
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+// Filament Runout Sensor
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+//
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+#define FIL_RUNOUT_PIN P1_26
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+#define FIL_RUNOUT2_PIN P1_25
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+
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+//
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+// Power Supply Control
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+//
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+#ifndef PS_ON_PIN
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+ #define PS_ON_PIN P1_00
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+#endif
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+
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+//
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+// Power Loss Detection
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+//
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+#ifndef POWER_LOSS_PIN
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+ #define POWER_LOSS_PIN P1_00
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+#endif
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+
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+//
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+// Steppers
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+//
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+#define X_STEP_PIN P2_02
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+#define X_DIR_PIN P2_06
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+#define X_ENABLE_PIN P2_01
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+#ifndef X_CS_PIN
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+ #define X_CS_PIN P1_10
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+#endif
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+
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+#define Y_STEP_PIN P0_19
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+#define Y_DIR_PIN P0_20
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+#define Y_ENABLE_PIN P2_08
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+#ifndef Y_CS_PIN
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+ #define Y_CS_PIN P1_09
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+#endif
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+
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+#define Z_STEP_PIN P0_22
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+#define Z_DIR_PIN P2_11
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+#define Z_ENABLE_PIN P0_21
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+#ifndef Z_CS_PIN
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+ #define Z_CS_PIN P1_08
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+#endif
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+
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+#define E0_STEP_PIN P2_13
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+#define E0_DIR_PIN P0_11
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+#define E0_ENABLE_PIN P2_12
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+#ifndef E0_CS_PIN
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+ #define E0_CS_PIN P1_04
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+#endif
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+
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+#define E1_STEP_PIN P1_15
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+#define E1_DIR_PIN P1_14
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+#define E1_ENABLE_PIN P1_16
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+#ifndef E1_CS_PIN
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+ #define E1_CS_PIN P1_01
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+#endif
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+
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+#define TEMP_1_PIN P0_23_A0 // A2 (T2) - (69) - TEMP_1_PIN
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+#define TEMP_BED_PIN P0_25_A2 // A0 (T0) - (67) - TEMP_BED_PIN
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+
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+//
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+// Include common SKR pins
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+//
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+#include "pins_BTT_SKR.h"
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+
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+//
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+// Software SPI pins for TMC2130 stepper drivers
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+//
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+#if ENABLED(TMC_USE_SW_SPI)
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+ #ifndef TMC_SW_MOSI
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+ #define TMC_SW_MOSI P1_17
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+ #endif
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+ #ifndef TMC_SW_MISO
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+ #define TMC_SW_MISO P0_05
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+ #endif
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+ #ifndef TMC_SW_SCK
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+ #define TMC_SW_SCK P0_04
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+ #endif
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+#endif
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+
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+#if HAS_TMC220x
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+ /**
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+ * TMC2208/TMC2209 stepper drivers
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+ *
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+ * Hardware serial communication ports.
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+ * If undefined software serial is used according to the pins below
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+ */
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+ //#define X_HARDWARE_SERIAL Serial
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+ //#define X2_HARDWARE_SERIAL Serial1
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+ //#define Y_HARDWARE_SERIAL Serial1
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+ //#define Y2_HARDWARE_SERIAL Serial1
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+ //#define Z_HARDWARE_SERIAL Serial1
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+ //#define Z2_HARDWARE_SERIAL Serial1
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+ //#define E0_HARDWARE_SERIAL Serial1
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+ //#define E1_HARDWARE_SERIAL Serial1
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+ //#define E2_HARDWARE_SERIAL Serial1
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+ //#define E3_HARDWARE_SERIAL Serial1
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+ //#define E4_HARDWARE_SERIAL Serial1
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+
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+ //
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+ // Software serial
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+ //
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+ #define X_SERIAL_TX_PIN P1_10
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+ #define X_SERIAL_RX_PIN P1_10
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+
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+ #define Y_SERIAL_TX_PIN P1_09
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+ #define Y_SERIAL_RX_PIN P1_09
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+
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+ #define Z_SERIAL_TX_PIN P1_08
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+ #define Z_SERIAL_RX_PIN P1_08
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+
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+ #define E0_SERIAL_TX_PIN P1_04
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+ #define E0_SERIAL_RX_PIN P1_04
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+
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+ #define E1_SERIAL_TX_PIN P1_01
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+ #define E1_SERIAL_RX_PIN P1_01
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+
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+ #define Z2_SERIAL_TX_PIN P1_01
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+ #define Z2_SERIAL_RX_PIN P1_01
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+
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+ // Reduce baud rate to improve software serial reliability
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+ #define TMC_BAUD_RATE 19200
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+#endif
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+
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+//
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+// SD Connection
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+//
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+#if SD_CONNECTION_IS(LCD)
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+ #define SS_PIN P0_16
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+#endif
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+
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+/**
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+ * _____ _____
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+ * NC | · · | GND 5V | · · | GND
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+ * RESET | · · | 1.31(SD_DETECT) (LCD_D7) 1.23 | · · | 1.22 (LCD_D6)
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+ * (MOSI)0.18 | · · | 3.25(BTN_EN2) (LCD_D5) 1.21 | · · | 1.20 (LCD_D4)
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+ * (SD_SS)0.16 | · · | 3.26(BTN_EN1) (LCD_RS) 1.19 | · · | 1.18 (LCD_EN)
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+ * (SCK)0.15 | · · | 0.17(MISO) (BTN_ENC) 0.28 | · · | 1.30 (BEEPER)
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+ * ----- -----
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+ * EXP2 EXP1
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+ */
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+#if HAS_SPI_LCD
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+ #define BTN_ENC P0_28 // (58) open-drain
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+
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+ #if ENABLED(CR10_STOCKDISPLAY)
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+ #define LCD_PINS_RS P1_22
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+
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+ #define BTN_EN1 P1_18
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+ #define BTN_EN2 P1_20
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+
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+ #define LCD_PINS_ENABLE P1_23
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+ #define LCD_PINS_D4 P1_21
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+
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+ #else
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+ #define LCD_PINS_RS P1_19
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+
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+ #define BTN_EN1 P3_26 // (31) J3-2 & AUX-4
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+ #define BTN_EN2 P3_25 // (33) J3-4 & AUX-4
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+
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+ #define LCD_PINS_ENABLE P1_18
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+ #define LCD_PINS_D4 P1_20
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+
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+ #define LCD_SDSS P0_16 // (16) J3-7 & AUX-4
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+ #define SD_DETECT_PIN P1_31 // (49) (NOT 5V tolerant)
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+
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+ #if ENABLED(FYSETC_MINI_12864)
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+ #define DOGLCD_CS P1_18
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+ #define DOGLCD_A0 P1_19
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+ #define DOGLCD_SCK P0_15
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+ #define DOGLCD_MOSI P0_18
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+
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+ #define LCD_BACKLIGHT_PIN -1
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+
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+ #define FORCE_SOFT_SPI // Use this if default of hardware SPI causes display problems
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+ // results in LCD soft SPI mode 3, SD soft SPI mode 0
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+
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+ #define LCD_RESET_PIN P1_20 // Must be high or open for LCD to operate normally.
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+
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+ #if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0)
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+ #ifndef RGB_LED_R_PIN
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+ #define RGB_LED_R_PIN P1_21
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+ #endif
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+ #ifndef RGB_LED_G_PIN
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+ #define RGB_LED_G_PIN P1_22
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+ #endif
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+ #ifndef RGB_LED_B_PIN
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+ #define RGB_LED_B_PIN P1_23
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+ #endif
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+ #elif ENABLED(FYSETC_MINI_12864_2_1)
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+ #define NEOPIXEL_PIN P1_21
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+ #endif
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+
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+ #else // !FYSETC_MINI_12864
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+
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+ #if ENABLED(MKS_MINI_12864)
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+ #define DOGLCD_CS P1_21
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+ #define DOGLCD_A0 P1_22
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+ #define DOGLCD_SCK P0_15
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+ #define DOGLCD_MOSI P0_18
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+ #define FORCE_SOFT_SPI
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+ #endif
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+
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+ #if ENABLED(ULTIPANEL)
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+ #define LCD_PINS_D5 P1_21
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+ #define LCD_PINS_D6 P1_22
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+ #define LCD_PINS_D7 P1_23
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+ #endif
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+
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+ #endif // !FYSETC_MINI_12864
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+
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+ #endif
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+
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+#endif // HAS_SPI_LCD
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+
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+//
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+// Neopixel LED
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+//
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+#ifndef NEOPIXEL_PIN
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+ #define NEOPIXEL_PIN P1_24
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+#endif
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+
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+/**
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+ * Special pins
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+ * P1_30 (37) (NOT 5V tolerant)
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+ * P1_31 (49) (NOT 5V tolerant)
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+ * P0_27 (57) (Open collector)
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+ * P0_28 (58) (Open collector)
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+ */
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