From 1803f672f8a29e4b373265fc7ecd86efbec01051 Mon Sep 17 00:00:00 2001
From: Vertabreaker <45634861+Vertabreak@users.noreply.github.com>
Date: Fri, 29 Nov 2019 08:12:49 -0500
Subject: [PATCH] Pins for GTM32 board variants (#16020)
---
Marlin/src/pins/stm32/pins_GTM32_MINI.h | 230 +++++++++++++++++++
Marlin/src/pins/stm32/pins_GTM32_MINI_A30.h | 230 +++++++++++++++++++
Marlin/src/pins/stm32/pins_GTM32_REV_B.h | 232 ++++++++++++++++++++
3 files changed, 692 insertions(+)
create mode 100644 Marlin/src/pins/stm32/pins_GTM32_MINI.h
create mode 100644 Marlin/src/pins/stm32/pins_GTM32_MINI_A30.h
create mode 100644 Marlin/src/pins/stm32/pins_GTM32_REV_B.h
diff --git a/Marlin/src/pins/stm32/pins_GTM32_MINI.h b/Marlin/src/pins/stm32/pins_GTM32_MINI.h
new file mode 100644
index 0000000000..36d7377ffa
--- /dev/null
+++ b/Marlin/src/pins/stm32/pins_GTM32_MINI.h
@@ -0,0 +1,230 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 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 .
+ *
+ */
+#pragma once
+
+/**
+ * 24 May 2018 - @chepo for STM32F103VET6
+ * Schematic: https://github.com/chepo92/Smartto/blob/master/circuit_diagram/Rostock301/Hardware_GTM32_PRO_VB.pdf
+ */
+
+#ifndef __STM32F1__
+ #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#endif
+
+#define BOARD_INFO_NAME "GTM32 Pro VB"
+#define DEFAULT_MACHINE_NAME "STM32F103VET6"
+
+//#define DISABLE_DEBUG
+
+//
+// It is required to disable JTAG function because its pins are
+// used as GPIO to drive the Y axis stepper.
+// DO NOT ENABLE!
+//
+#define DISABLE_JTAG
+
+//
+// If you don't need the SWDIO functionality (any more), you may
+// disable SWD here to regain PA13/PA14 pins for other use.
+//
+//#define DISABLE_JTAGSWD
+
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
+
+// Enable EEPROM Emulation for this board as it doesn't have EEPROM
+#define FLASH_EEPROM_EMULATION
+#define E2END 0xFFF // 4KB
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN PE5 // ENDSTOPS 15,17
+#define X_MAX_PIN PE4 // ENDSTOPS 16,18
+#define Y_MIN_PIN PE3 // ENDSTOPS 9,11
+#define Y_MAX_PIN PE2 // ENDSTOPS 10,12
+#define Z_MIN_PIN PE1 // ENDSTOPS 3,5
+#define Z_MAX_PIN PE0 // ENDSTOPS 4,6
+
+//
+// Steppers
+//
+#define X_STEP_PIN PC6
+#define X_DIR_PIN PD13
+#define X_ENABLE_PIN PA8
+
+#define Y_STEP_PIN PA12
+#define Y_DIR_PIN PA11
+#define Y_ENABLE_PIN PA15
+
+#define Z_STEP_PIN PD6
+#define Z_DIR_PIN PD3
+#define Z_ENABLE_PIN PB3
+
+// Extruder stepper pins
+// NOTE: Numbering here is made according to EXT connector numbers,
+// the FANx_PWM line numbering in the schematics is reverse.
+// That is, E0_*_PIN are the E2_* lines connected to E2_A1 step
+// stick that drives the EXT0 output on the board.
+//
+#define E0_STEP_PIN PC14
+#define E0_DIR_PIN PC13
+#define E0_ENABLE_PIN PC15
+
+#define E1_STEP_PIN PA0
+#define E1_DIR_PIN PB6
+#define E1_ENABLE_PIN PA1
+
+#define E2_STEP_PIN PB2
+#define E2_DIR_PIN PB11
+#define E2_ENABLE_PIN PC4
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN PB0 // EXT0 port
+#define HEATER_1_PIN PB5 // EXT1 port
+#define HEATER_2_PIN PB4 // EXT2 port
+#define HEATER_BED_PIN PB1 // CON2X3 hotbed port
+
+//
+// These are FAN PWM pins on EXT0..EXT2 connectors.
+//
+//#define FAN_PIN PB9 // EXT0 port
+#define ORIG_E0_AUTO_FAN_PIN PB9 // EXT0 port, used as main extruder fan
+#define FAN1_PIN PB8 // EXT1 port
+#define FAN2_PIN PB7 // EXT2 port
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN PC2 // EXT0 port
+#define TEMP_1_PIN PC1 // EXT1 port
+#define TEMP_2_PIN PC0 // EXT2 port
+#define TEMP_BED_PIN PC3 // CON2X3 hotbed port
+
+//
+// Misc. Functions
+//
+#define LED_PWM PD12 // External LED, pin 2 on LED labeled connector
+
+//
+// LCD / Controller
+//
+#if HAS_SPI_LCD
+
+ #if ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER)
+ //
+ // LCD display on J2 FFC40
+ // Geeetech's LCD2004A Control Panel is very much like
+ // RepRapDiscount Smart Controller, but adds an FFC40 connector
+ //
+ #define LCD_PINS_RS PE6 // CS chip select /SS chip slave select
+ #define LCD_PINS_ENABLE PE14 // SID (MOSI)
+ #define LCD_PINS_D4 PD8 // SCK (CLK) clock
+ #define LCD_PINS_D5 PD9
+ #define LCD_PINS_D6 PD10
+ #define LCD_PINS_D7 PE15
+
+ #else
+ //
+ // Serial LCDs can be implemented in ExtUI
+ //
+ //#define LCD_UART_TX PD8
+ //#define LCD_UART_RX PD9
+ #endif
+
+ #if HAS_GRAPHICAL_LCD
+ #define BOARD_ST7920_DELAY_1 DELAY_NS(96)
+ #define BOARD_ST7920_DELAY_2 DELAY_NS(48)
+ #define BOARD_ST7920_DELAY_3 DELAY_NS(715)
+ #endif
+
+#endif // HAS_SPI_LCD
+
+#if ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER)
+ //
+ // Geeetech's LCD2004A Control Panel is very much like
+ // RepRapDiscount Smart Controller, but adds an FFC40 connector
+ // connected with a flat wire to J2 connector on the board.
+ //
+ #define BTN_EN1 PE8
+ #define BTN_EN2 PE9
+ #define BTN_ENC PE13
+
+ #define GTM32_PRO_VB_USE_LCD_BEEPER
+ #define GTM32_PRO_VB_USE_EXT_SDCARD
+#endif
+
+//
+// Beeper
+//
+#ifdef GTM32_PRO_VB_USE_LCD_BEEPER
+ // This is pin 32 on J2 FFC40 and pin, goes to the beeper
+ // on Geeetech's version of RepRapDiscount Smart Controller
+ // (e.g. on Rostock 301)
+ #define BEEPER_PIN PE12
+#else
+ // This is the beeper on the board itself
+ #define BEEPER_PIN PB10
+#endif
+
+/**
+ * The on-board TF_CARD_SOCKET microSD card socket has no SD Detect pin wired.
+ *
+ * The FFC10 (SD_CARD) connector has the same pins as those routed to the FFC40 (J2)
+ * connector, which usually go to the SD Card slot on the Geeetech version of the
+ * RepRapDiscount Smart Controller. Both connectors have the card detect signal.
+ *
+ * The on-board SD card and the external card (on either SD_CARD or J2) are two
+ * separate devices and can work simultaneously. Unfortunately, Marlin only supports
+ * a single SPI Flash device (as of 2019-07-05) so only one is enabled here.
+ */
+#if ENABLED(GTM32_PRO_VB_USE_EXT_SDCARD)
+ //
+ // SD Card on RepRapDiscount Smart Controller (J2) or on SD_CARD connector
+ //
+ #define SS_PIN PC11
+ #define SCK_PIN PC12
+ #define MOSI_PIN PD2
+ #define MISO_PIN PC8
+ #define SD_DETECT_PIN PC7
+#else
+ //
+ // Use the on-board card socket labeled TF_CARD_SOCKET
+ //
+ #define SS_PIN PA4
+ #define SCK_PIN PA5
+ #define MOSI_PIN PA7
+ #define MISO_PIN PA6
+ #define SD_DETECT_PIN -1 // Card detect is not connected
+#endif
+
+#define SDSS SS_PIN
+
+//
+// ESP WiFi can be soldered to J9 connector which is wired to USART2.
+// Must define WIFISUPPORT in Configuration.h for the printer.
+//
+#define ESP_WIFI_MODULE_COM 2
+#define ESP_WIFI_MODULE_BAUDRATE 115200
+#define ESP_WIFI_MODULE_RESET_PIN -1
diff --git a/Marlin/src/pins/stm32/pins_GTM32_MINI_A30.h b/Marlin/src/pins/stm32/pins_GTM32_MINI_A30.h
new file mode 100644
index 0000000000..c4b7b37b94
--- /dev/null
+++ b/Marlin/src/pins/stm32/pins_GTM32_MINI_A30.h
@@ -0,0 +1,230 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 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 .
+ *
+ */
+#pragma once
+
+/**
+ * 24 May 2018 - @chepo for STM32F103VET6
+ * Schematic: https://github.com/chepo92/Smartto/blob/master/circuit_diagram/Rostock301/Hardware_GTM32_PRO_VB.pdf
+ */
+
+#ifndef __STM32F1__
+ #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#endif
+
+#define BOARD_INFO_NAME "GTM32 Pro VB"
+#define DEFAULT_MACHINE_NAME "STM32F103VET6"
+
+//#define DISABLE_DEBUG
+
+//
+// It is required to disable JTAG function because its pins are
+// used as GPIO to drive the Y axis stepper.
+// DO NOT ENABLE!
+//
+#define DISABLE_JTAG
+
+//
+// If you don't need the SWDIO functionality (any more), you may
+// disable SWD here to regain PA13/PA14 pins for other use.
+//
+//#define DISABLE_JTAGSWD
+
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
+
+// Enable EEPROM Emulation for this board as it doesn't have EEPROM
+#define FLASH_EEPROM_EMULATION
+#define E2END 0xFFF // 4KB
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN PE5 // ENDSTOPS 15,17
+#define X_MAX_PIN PE4 // ENDSTOPS 16,18
+#define Y_MIN_PIN PE3 // ENDSTOPS 9,11
+#define Y_MAX_PIN PE2 // ENDSTOPS 10,12
+#define Z_MIN_PIN PE0 // ENDSTOPS 3,5
+#define Z_MAX_PIN PE1 // ENDSTOPS 4,6
+
+//
+// Steppers
+//
+#define X_STEP_PIN PC6
+#define X_DIR_PIN PD13
+#define X_ENABLE_PIN PA8
+
+#define Y_STEP_PIN PA12
+#define Y_DIR_PIN PA11
+#define Y_ENABLE_PIN PA15
+
+#define Z_STEP_PIN PD6
+#define Z_DIR_PIN PD3
+#define Z_ENABLE_PIN PB3
+
+// Extruder stepper pins
+// NOTE: Numbering here is made according to EXT connector numbers,
+// the FANx_PWM line numbering in the schematics is reverse.
+// That is, E0_*_PIN are the E2_* lines connected to E2_A1 step
+// stick that drives the EXT0 output on the board.
+//
+#define E0_STEP_PIN PC14
+#define E0_DIR_PIN PC13
+#define E0_ENABLE_PIN PC15
+
+#define E1_STEP_PIN PA0
+#define E1_DIR_PIN PB6
+#define E1_ENABLE_PIN PA1
+
+#define E2_STEP_PIN PB2
+#define E2_DIR_PIN PB11
+#define E2_ENABLE_PIN PC4
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN PB0 // EXT0 port
+#define HEATER_1_PIN PB5 // EXT1 port
+#define HEATER_2_PIN PB4 // EXT2 port
+#define HEATER_BED_PIN PB1 // CON2X3 hotbed port
+
+//
+// These are FAN PWM pins on EXT0..EXT2 connectors.
+//
+//#define FAN_PIN PB9 // EXT0 port
+#define ORIG_E0_AUTO_FAN_PIN PB9 // EXT0 port, used as main extruder fan
+#define FAN1_PIN PB8 // EXT1 port
+#define FAN2_PIN PB7 // EXT2 port
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN PC2 // EXT0 port
+#define TEMP_1_PIN PC1 // EXT1 port
+#define TEMP_2_PIN PC0 // EXT2 port
+#define TEMP_BED_PIN PC3 // CON2X3 hotbed port
+
+//
+// Misc. Functions
+//
+#define LED_PWM PD12 // External LED, pin 2 on LED labeled connector
+
+//
+// LCD / Controller
+//
+#if HAS_SPI_LCD
+
+ #if ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER)
+ //
+ // LCD display on J2 FFC40
+ // Geeetech's LCD2004A Control Panel is very much like
+ // RepRapDiscount Smart Controller, but adds an FFC40 connector
+ // connected with a flat wire to J2 connector on the board.
+ //
+ #define LCD_PINS_RS PE6 // CS chip select /SS chip slave select
+ #define LCD_PINS_ENABLE PE14 // SID (MOSI)
+ #define LCD_PINS_D4 PD8 // SCK (CLK) clock
+ #define LCD_PINS_D5 PD9
+ #define LCD_PINS_D6 PD10
+ #define LCD_PINS_D7 PE15
+
+ #define BTN_EN1 PE8
+ #define BTN_EN2 PE9
+ #define BTN_ENC PE13
+
+ #define GTM32_PRO_VB_USE_LCD_BEEPER
+ #define GTM32_PRO_VB_USE_EXT_SDCARD
+
+ #else
+ //
+ // Serial LCDs can be implemented in ExtUI
+ //
+ //#define LCD_UART_TX PD8
+ //#define LCD_UART_RX PD9
+ #endif
+
+ #if HAS_GRAPHICAL_LCD
+ #ifndef BOARD_ST7920_DELAY_1
+ #define BOARD_ST7920_DELAY_1 DELAY_NS(96)
+ #endif
+ #ifndef BOARD_ST7920_DELAY_2
+ #define BOARD_ST7920_DELAY_2 DELAY_NS(48)
+ #endif
+ #ifndef BOARD_ST7920_DELAY_3
+ #define BOARD_ST7920_DELAY_3 DELAY_NS(715)
+ #endif
+ #endif
+
+#endif // HAS_SPI_LCD
+
+//
+// Beeper
+//
+#ifdef GTM32_PRO_VB_USE_LCD_BEEPER
+ // This is pin 32 on J2 FFC40 and pin, goes to the beeper
+ // on Geeetech's version of RepRapDiscount Smart Controller
+ // (e.g. on Rostock 301)
+ #define BEEPER_PIN PE12
+#else
+ // This is the beeper on the board itself
+ #define BEEPER_PIN PB10
+#endif
+
+/**
+ * The on-board TF_CARD_SOCKET microSD card socket has no SD Detect pin wired.
+ *
+ * The FFC10 (SD_CARD) connector has the same pins as those routed to the FFC40 (J2)
+ * connector, which usually go to the SD Card slot on the Geeetech version of the
+ * RepRapDiscount Smart Controller. Both connectors have the card detect signal.
+ *
+ * The on-board SD card and the external card (on either SD_CARD or J2) are two
+ * separate devices and can work simultaneously. Unfortunately, Marlin only supports
+ * a single SPI Flash device (as of 2019-07-05) so only one is enabled here.
+ */
+#if ENABLED(GTM32_PRO_VB_USE_EXT_SDCARD)
+ //
+ // SD Card on RepRapDiscount Smart Controller (J2) or on SD_CARD connector
+ //
+ #define SS_PIN PC11
+ #define SCK_PIN PC12
+ #define MOSI_PIN PD2
+ #define MISO_PIN PC8
+ #define SD_DETECT_PIN PC7
+#else
+ //
+ // Use the on-board card socket labeled TF_CARD_SOCKET
+ //
+ #define SS_PIN PA4
+ #define SCK_PIN PA5
+ #define MOSI_PIN PA7
+ #define MISO_PIN PA6
+ #define SD_DETECT_PIN -1 // Card detect is not connected
+#endif
+
+#define SDSS SS_PIN
+
+//
+// ESP WiFi can be soldered to J9 connector which is wired to USART2.
+// Must define WIFISUPPORT in Configuration.h for the printer.
+//
+#define ESP_WIFI_MODULE_COM 2
+#define ESP_WIFI_MODULE_BAUDRATE 115200
+#define ESP_WIFI_MODULE_RESET_PIN -1
diff --git a/Marlin/src/pins/stm32/pins_GTM32_REV_B.h b/Marlin/src/pins/stm32/pins_GTM32_REV_B.h
new file mode 100644
index 0000000000..f3ce8a6c09
--- /dev/null
+++ b/Marlin/src/pins/stm32/pins_GTM32_REV_B.h
@@ -0,0 +1,232 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 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 .
+ *
+ */
+#pragma once
+
+/**
+ * 24 May 2018 - @chepo for STM32F103VET6
+ * Schematic: https://github.com/chepo92/Smartto/blob/master/circuit_diagram/Rostock301/Hardware_GTM32_PRO_VB.pdf
+ */
+
+#ifndef __STM32F1__
+ #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#endif
+
+#define BOARD_NAME "GTM32 Pro VB"
+#define DEFAULT_MACHINE_NAME "M201"
+
+//#define DISABLE_DEBUG
+
+//
+// It is required to disable JTAG function because its pins are
+// used as GPIO to drive the Y axis stepper.
+// DO NOT ENABLE!
+//
+#define DISABLE_JTAG
+
+//
+// If you don't need the SWDIO functionality (any more), you may
+// disable SWD here to regain PA13/PA14 pins for other use.
+//
+//#define DISABLE_JTAGSWD
+
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
+
+// Enable EEPROM Emulation for this board as it doesn't have EEPROM
+#define FLASH_EEPROM_EMULATION
+#define E2END 0xFFF // 4KB
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN PE5 // ENDSTOPS 15,17
+#define X_MAX_PIN PE4 // ENDSTOPS 16,18
+#define Y_MIN_PIN PE3 // ENDSTOPS 9,11
+#define Y_MAX_PIN PE2 // ENDSTOPS 10,12
+#define Z_MIN_PIN PE1 // ENDSTOPS 3,5
+#define Z_MAX_PIN PE0 // ENDSTOPS 4,6
+
+//
+// Steppers
+//
+#define X_STEP_PIN PC6
+#define X_DIR_PIN PD13
+#define X_ENABLE_PIN PA8
+
+#define Y_STEP_PIN PA12
+#define Y_DIR_PIN PA11
+#define Y_ENABLE_PIN PA15
+
+#define Z_STEP_PIN PD6
+#define Z_DIR_PIN PD3
+#define Z_ENABLE_PIN PB3
+
+// Extruder stepper pins
+// NOTE: Numbering here is made according to EXT connector numbers,
+// the FANx_PWM line numbering in the schematics is reverse.
+// That is, E0_*_PIN are the E2_* lines connected to E2_A1 step
+// stick that drives the EXT0 output on the board.
+//
+#define E0_STEP_PIN PC14
+#define E0_DIR_PIN PC13
+#define E0_ENABLE_PIN PC15
+
+#define E1_STEP_PIN PA0
+#define E1_DIR_PIN PB6
+#define E1_ENABLE_PIN PA1
+
+#define E2_STEP_PIN PB2
+#define E2_DIR_PIN PB11
+#define E2_ENABLE_PIN PC4
+
+//
+// Heaters / Fans - INFO: Extruders ports are in reverse order. Pin numbers here differ from schematic. Original firmware assumes heater, fan and temp sensor on port EXT0 PB0, PB9, PC2.
+//
+#define HEATER_0_PIN PB0 // EXT0 port.
+#define HEATER_1_PIN PB5 // EXT1 port
+#define HEATER_2_PIN PB4 // EXT2 port
+#define HEATER_BED_PIN PB1 // CON2X3 hotbed port
+
+//
+// These are FAN PWM pins on EXT0..EXT2 connectors.
+//
+//#define FAN_PIN PB9 // EXT0 port
+#define FAN1_PIN PB8 // EXT1 port
+#define FAN2_PIN PB7 // EXT2 port
+#define ORIG_E0_AUTO_FAN_PIN PB9 // EXT0 port, used as main extruder fan
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN PC2 // EXT0 port
+#define TEMP_1_PIN PC1 // EXT1 port
+#define TEMP_2_PIN PC0 // EXT2 port
+#define TEMP_BED_PIN PC3 // CON2X3 hotbed port
+
+//
+// Misc. Functions
+//
+#define LED_PWM PD12 // External LED, pin 2 on LED labeled connector
+
+//
+// LCD / Controller
+//
+#if HAS_SPI_LCD
+
+ #if ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER)
+
+ //
+ // LCD display on J2 FFC40
+ // Geeetech's LCD2004A Control Panel is very much like
+ // RepRapDiscount Smart Controller, but adds an FFC40 connector
+ // connected with a flat wire to J2 connector on the board.
+ //
+ #define LCD_PINS_RS PE6 // CS chip select /SS chip slave select
+ #define LCD_PINS_ENABLE PE14 // SID (MOSI)
+ #define LCD_PINS_D4 PD8 // SCK (CLK) clock
+ #define LCD_PINS_D5 PD9
+ #define LCD_PINS_D6 PD10
+ #define LCD_PINS_D7 PE15
+
+ #define BTN_EN1 PE8
+ #define BTN_EN2 PE9
+ #define BTN_ENC PE13
+
+ //#define GTM32_PRO_VB_USE_LCD_BEEPER
+ #define GTM32_PRO_VB_USE_EXT_SDCARD
+
+ #else
+ //
+ // Serial LCDs can be implemented in ExtUI
+ //
+ //#define LCD_UART_TX PD8
+ //#define LCD_UART_RX PD9
+ #endif
+
+ #if HAS_GRAPHICAL_LCD
+ #ifndef ST7920_DELAY_1
+ #define ST7920_DELAY_1 DELAY_NS(96)
+ #endif
+ #ifndef ST7920_DELAY_2
+ #define ST7920_DELAY_2 DELAY_NS(48)
+ #endif
+ #ifndef ST7920_DELAY_3
+ #define ST7920_DELAY_3 DELAY_NS(715)
+ #endif
+ #endif
+
+#endif // HAS_SPI_LCD
+
+//
+// Beeper
+//
+#ifdef GTM32_PRO_VB_USE_LCD_BEEPER
+ // This is pin 32 on J2 FFC40 and pin, goes to the beeper
+ // on Geeetech's version of RepRapDiscount Smart Controller
+ // (e.g. on Rostock 301)
+ #define BEEPER_PIN PE12
+#else
+ // This is the beeper on the board itself
+ #define BEEPER_PIN PB10
+#endif
+
+/**
+ * The on-board TF_CARD_SOCKET microSD card socket has no SD Detect pin wired.
+ *
+ * The FFC10 (SD_CARD) connector has the same pins as those routed to the FFC40 (J2)
+ * connector, which usually go to the SD Card slot on the Geeetech version of the
+ * RepRapDiscount Smart Controller. Both connectors have the card detect signal.
+ *
+ * The on-board SD card and the external card (on either SD_CARD or J2) are two
+ * separate devices and can work simultaneously. Unfortunately, Marlin only supports
+ * a single SPI Flash device (as of 2019-07-05) so only one is enabled here.
+ */
+#if ENABLED(GTM32_PRO_VB_USE_EXT_SDCARD)
+ //
+ // SD Card on RepRapDiscount Smart Controller (J2) or on SD_CARD connector
+ //
+ #define SS_PIN PB12 / PC11
+ #define SCK_PIN PB13 // PC12 // PC1
+ #define MOSI_PIN PB15 // PD2 // PD2
+ #define MISO_PIN PB14 // PC8
+ #define SD_DETECT_PIN PC7
+
+#else
+ //
+ // Use the on-board card socket labeled TF_CARD_SOCKET
+ //
+ #define SS_PIN PA4
+ #define SCK_PIN PA5
+ #define MOSI_PIN PA7
+ #define MISO_PIN PA6 // PA6
+ #define SD_DETECT_PIN -1 // Card detect is not connected
+#endif
+
+#define SDSS SS_PIN
+
+//
+// ESP WiFi can be soldered to J9 connector which is wired to USART2.
+// Must define WIFISUPPORT in Configuration.h for the printer.
+//
+#define ESP_WIFI_MODULE_COM 2
+#define ESP_WIFI_MODULE_BAUDRATE 115200
+#define ESP_WIFI_MODULE_RESET_PIN -1