diff --git a/Marlin/src/MarlinCore.cpp b/Marlin/src/MarlinCore.cpp
index e11439861bd..c6c6ef9b0db 100644
--- a/Marlin/src/MarlinCore.cpp
+++ b/Marlin/src/MarlinCore.cpp
@@ -867,6 +867,57 @@ void stop() {
}
}
+inline void tmc_standby_setup() {
+ #if PIN_EXISTS(X_STDBY)
+ SET_INPUT_PULLDOWN(X_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(X2_STDBY)
+ SET_INPUT_PULLDOWN(X2_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(Y_STDBY)
+ SET_INPUT_PULLDOWN(Y_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(Y2_STDBY)
+ SET_INPUT_PULLDOWN(Y2_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(Z_STDBY)
+ SET_INPUT_PULLDOWN(Z_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(Z2_STDBY)
+ SET_INPUT_PULLDOWN(Z2_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(Z3_STDBY)
+ SET_INPUT_PULLDOWN(Z3_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(Z4_STDBY)
+ SET_INPUT_PULLDOWN(Z4_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(E0_STDBY)
+ SET_INPUT_PULLDOWN(E0_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(E1_STDBY)
+ SET_INPUT_PULLDOWN(E1_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(E2_STDBY)
+ SET_INPUT_PULLDOWN(E2_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(E3_STDBY)
+ SET_INPUT_PULLDOWN(E3_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(E4_STDBY)
+ SET_INPUT_PULLDOWN(E4_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(E5_STDBY)
+ SET_INPUT_PULLDOWN(E5_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(E6_STDBY)
+ SET_INPUT_PULLDOWN(E6_STDBY_PIN);
+ #endif
+ #if PIN_EXISTS(E7_STDBY)
+ SET_INPUT_PULLDOWN(E7_STDBY_PIN);
+ #endif
+}
+
/**
* Marlin entry-point: Set up before the program loop
* - Set up the kill pin, filament runout, power hold
@@ -888,6 +939,8 @@ void stop() {
*/
void setup() {
+ tmc_standby_setup(); // TMC Low Power Standby pins must be set early or they're not usable
+
#if ENABLED(MARLIN_DEV_MODE)
auto log_current_ms = [&](PGM_P const msg) {
SERIAL_ECHO_START();
diff --git a/Marlin/src/core/boards.h b/Marlin/src/core/boards.h
index e27448b0220..9e0451486e6 100644
--- a/Marlin/src/core/boards.h
+++ b/Marlin/src/core/boards.h
@@ -223,6 +223,7 @@
#define BOARD_BTT_SKR_V1_1 2012 // BigTreeTech SKR v1.1 (Power outputs: Hotend0, Hotend1, Fan, Bed)
#define BOARD_BTT_SKR_V1_3 2013 // BigTreeTech SKR v1.3 (Power outputs: Hotend0, Hotend1, Fan, Bed)
#define BOARD_BTT_SKR_V1_4 2014 // BigTreeTech SKR v1.4 (Power outputs: Hotend0, Hotend1, Fan, Bed)
+#define BOARD_BTT_SKR_E3_TURBO 2015 // BigTreeTech SKR E3 Turbo (Power outputs: Hotend0, Hotend1, Fan, Bed)
//
// LPC1769 ARM Cortex M3
diff --git a/Marlin/src/pins/lpc1769/pins_BTT_SKR_E3_TURBO.h b/Marlin/src/pins/lpc1769/pins_BTT_SKR_E3_TURBO.h
new file mode 100644
index 00000000000..143504f0e33
--- /dev/null
+++ b/Marlin/src/pins/lpc1769/pins_BTT_SKR_E3_TURBO.h
@@ -0,0 +1,266 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 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/>.
+ *
+ */
+#pragma once
+
+#ifndef BOARD_INFO_NAME
+ #define BOARD_INFO_NAME "BTT SKR E3 Turbo"
+#endif
+
+// Onboard I2C EEPROM
+#define I2C_EEPROM
+#define MARLIN_EEPROM_SIZE 0x1000 // 4KB (AT24C32)
+
+//
+// Servos
+//
+#define SERVO0_PIN P1_23
+
+//
+// TMC StallGuard DIAG pins
+//
+#define X_DIAG_PIN P1_29 // X-STOP
+#define Y_DIAG_PIN P1_28 // Y-STOP
+#define Z_DIAG_PIN P1_27 // Z-STOP
+#define E0_DIAG_PIN P1_26 // E0DET
+#define E1_DIAG_PIN P1_25 // E1DET
+
+//
+// Limit Switches
+#define X_STOP_PIN X_DIAG_PIN
+#define Y_STOP_PIN Y_DIAG_PIN
+#define Z_STOP_PIN Z_DIAG_PIN
+
+//
+// Z Probe
+//
+#ifndef Z_MIN_PROBE_PIN
+ #define Z_MIN_PROBE_PIN P1_22
+#endif
+
+//
+// Filament Runout Sensor
+//
+#define FIL_RUNOUT_PIN P1_26 // E0DET
+#define FIL_RUNOUT2_PIN P1_25 // E1DET
+
+//
+// Power Supply Control
+//
+#ifndef PS_ON_PIN
+ #define PS_ON_PIN P1_21
+#endif
+
+// LED driving pin
+#define NEOPIXEL_PIN P1_24
+
+//
+// Power Loss Detection
+//
+#ifndef POWER_LOSS_PIN
+ #define POWER_LOSS_PIN P1_20 // PWRDET
+#endif
+
+//
+// Steppers
+//
+#define X_STEP_PIN P1_04
+#define X_DIR_PIN P1_08
+#define X_ENABLE_PIN P1_00
+#ifndef X_CS_PIN
+ #define X_CS_PIN P1_01
+#endif
+
+#define Y_STEP_PIN P1_14
+#define Y_DIR_PIN P1_15
+#define Y_ENABLE_PIN P1_09
+#ifndef Y_CS_PIN
+ #define Y_CS_PIN P1_10
+#endif
+
+#define Z_STEP_PIN P4_29
+#define Z_DIR_PIN P4_28
+#define Z_ENABLE_PIN P1_16
+#ifndef Z_CS_PIN
+ #define Z_CS_PIN P1_17
+#endif
+
+#define E0_STEP_PIN P2_06
+#define E0_DIR_PIN P2_07
+#define E0_ENABLE_PIN P0_04
+#ifndef E0_CS_PIN
+ #define E0_CS_PIN P0_05
+#endif
+
+#define E1_STEP_PIN P2_11
+#define E1_DIR_PIN P2_12
+#define E1_ENABLE_PIN P0_21
+#ifndef E1_CS_PIN
+ #define E1_CS_PIN P0_22
+#endif
+
+#if HAS_TMC_UART
+ /**
+ * TMC2208/TMC2209 stepper drivers
+ *
+ * Hardware serial communication ports.
+ * If undefined software serial is used according to the pins below
+ */
+
+ //
+ // Software serial
+ //
+ #define X_SERIAL_TX_PIN P1_01
+ #define X_SERIAL_RX_PIN P1_01
+
+ #define Y_SERIAL_TX_PIN P1_10
+ #define Y_SERIAL_RX_PIN P1_10
+
+ #define Z_SERIAL_TX_PIN P1_17
+ #define Z_SERIAL_RX_PIN P1_17
+
+ #define E0_SERIAL_TX_PIN P0_05
+ #define E0_SERIAL_RX_PIN P0_05
+
+ #define E1_SERIAL_TX_PIN P0_22
+ #define E1_SERIAL_RX_PIN P0_22
+
+ // Reduce baud rate to improve software serial reliability
+ #define TMC_BAUD_RATE 19200
+#endif
+
+//
+// TMC Low Power Standby pins
+//
+#define X_STDBY_PIN P3_26
+#define Y_STDBY_PIN P3_25
+#define Z_STDBY_PIN P1_18
+#define E0_STDBY_PIN P1_19
+#define E1_STDBY_PIN P2_13
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN P0_24
+#define TEMP_1_PIN P0_23
+//#define TEMP_2_PIN P1_30 // Onboard thermistor
+#define TEMP_BED_PIN P0_25
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN P2_03 // EXTRUDER 0
+#define HEATER_1_PIN P2_04 // EXTRUDER 1
+#define HEATER_BED_PIN P2_05 // BED
+#define FAN_PIN P2_01
+#define FAN1_PIN P2_02
+
+//
+// USB connect control
+//
+//#define USB_CONNECT_PIN P0_29
+//#define USB_CONNECT_INVERTING false
+
+/**
+ * _____
+ * 5V | 1 2 | GND
+ * (LCD_EN) P0_18 | 3 4 | P0_17 (LCD_RS)
+ * (LCD_D4) P0_15 | 5 6 P0_20 (BTN_EN2)
+ * RESET | 7 8 | P0_19 (BTN_EN1)
+ * (BTN_ENC) P0_16 | 9 10| P2_08 (BEEPER)
+ * -----
+ * EXP
+ */
+
+#define EXPA1_03_PIN P0_18
+#define EXPA1_04_PIN P0_17
+#define EXPA1_05_PIN P0_15
+#define EXPA1_06_PIN P0_20
+#define EXPA1_07_PIN -1
+#define EXPA1_08_PIN P0_19
+#define EXPA1_09_PIN P0_16
+#define EXPA1_10_PIN P2_08
+
+#if HAS_SPI_LCD
+
+ #if ENABLED(CR10_STOCKDISPLAY)
+
+ #define BEEPER_PIN EXPA1_10_PIN
+
+ #define BTN_EN1 EXPA1_08_PIN
+ #define BTN_EN2 EXPA1_06_PIN
+ #define BTN_ENC EXPA1_09_PIN
+
+ #define LCD_PINS_RS EXPA1_04_PIN
+ #define LCD_PINS_ENABLE EXPA1_03_PIN
+ #define LCD_PINS_D4 EXPA1_05_PIN
+
+ #elif ENABLED(ZONESTAR_LCD) // ANET A8 LCD Controller - Must convert to 3.3V - CONNECTING TO 5V WILL DAMAGE THE BOARD!
+
+ #error "CAUTION! ZONESTAR_LCD requires wiring modifications. See 'pins_BTT_SKR_E3_TURBO.h' for details. Comment out this line to continue."
+
+ #define LCD_PINS_RS EXPA1_05_PIN
+ #define LCD_PINS_ENABLE EXPA1_09_PIN
+ #define LCD_PINS_D4 EXPA1_04_PIN
+ #define LCD_PINS_D5 EXPA1_06_PIN
+ #define LCD_PINS_D6 EXPA1_08_PIN
+ #define LCD_PINS_D7 EXPA1_10_PIN
+ #define ADC_KEYPAD_PIN P1_23 // Repurpose servo pin for ADC - CONNECTING TO 5V WILL DAMAGE THE BOARD!
+
+ #elif EITHER(MKS_MINI_12864, ENDER2_STOCKDISPLAY)
+
+ #define BTN_EN1 EXPA1_08_PIN
+ #define BTN_EN2 EXPA1_06_PIN
+ #define BTN_ENC EXPA1_09_PIN
+
+ #define DOGLCD_CS EXPA1_04_PIN
+ #define DOGLCD_A0 EXPA1_05_PIN
+ #define DOGLCD_SCK EXPA1_10_PIN
+ #define DOGLCD_MOSI EXPA1_03_PIN
+ #define FORCE_SOFT_SPI
+ #define LCD_BACKLIGHT_PIN -1
+
+ #else
+
+ #error "Only ZONESTAR_LCD, MKS_MINI_12864, ENDER2_STOCKDISPLAY, and CR10_STOCKDISPLAY are currently supported on the BTT_SKR_E3_TURBO."
+
+ #endif
+
+#endif // HAS_SPI_LCD
+
+//
+// SD Support
+//
+#ifndef SDCARD_CONNECTION
+ #define SDCARD_CONNECTION ONBOARD
+#endif
+
+#if SD_CONNECTION_IS(ONBOARD)
+ #define SD_DETECT_PIN P2_00
+ #define SCK_PIN P0_07
+ #define MISO_PIN P0_08
+ #define MOSI_PIN P0_09
+ #define SS_PIN P0_06
+#elif SD_CONNECTION_IS(CUSTOM_CABLE)
+ #error "SD CUSTOM_CABLE is not compatible with SKR E3 Turbo."
+#endif
+
+#define ON_BOARD_SPI_DEVICE 1 // SPI1
diff --git a/Marlin/src/pins/pins.h b/Marlin/src/pins/pins.h
index bf95c873123..0ccdadadde4 100644
--- a/Marlin/src/pins/pins.h
+++ b/Marlin/src/pins/pins.h
@@ -421,6 +421,8 @@
#include "lpc1769/pins_BTT_SKR_V1_4_TURBO.h" // LPC1769 env:LPC1769
#elif MB(MKS_SGEN_L_V2)
#include "lpc1769/pins_MKS_SGEN_L_V2.h" // LPC1769 env:LPC1769
+#elif MB(BTT_SKR_E3_TURBO)
+ #include "lpc1769/pins_BTT_SKR_E3_TURBO.h" // LPC1769 env:LPC1769
//
// Due (ATSAM) boards