[2.0.x] Add GTM32 Pro VB support (#10898)

Marlin/src/core/boards.h

@@ -206,9 +206,10 @@
 // STM32 ARM Cortex-M3
 //
 
-#define BOARD_STM32F1R         1800   // STM3R Libmaple based STM32F1 controller
+#define BOARD_STM32F1R         1800   // STM32R Libmaple based STM32F1 controller
 #define BOARD_MALYAN_M200      1801   // STM32C8T6 Libmaple based stm32f1 controller
 #define BOARD_STM3R_MINI       1803   // STM32 Libmaple based stm32f1 controller
+#define BOARD_GTM32_PRO_VB     1805   // STM32f103VET6 controller
 
 //
 // STM32 ARM Cortex-M4F

Marlin/src/pins/pins.h

@@ -362,6 +362,8 @@
   #include "pins_MALYAN_M200.h"       // STM32F1                                    env:malyanm200
 #elif MB(CHITU3D)
   #include "pins_CHITU3D.h"           // STM32F1                                    env:STM32F1
+#elif MB(GTM32_PRO_VB)
+  #include "pins_GTM32_PRO_VB.h"      // STM32F1                                    env:STM32F1
 
 //
 // STM32 ARM Cortex-M4F

Marlin/src/pins/pins_GTM32_PRO_VB.h

@@ -0,0 +1,98 @@
+/**
+ * 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 __STM32F1__
+  #error "Oops!  Make sure you have an STM32F1 board selected from the 'Tools -> Boards' menu."
+#endif
+
+/**
+ * 24.05.2018 Axel "chepo" Sepúlveda Marlin for (stm32f103vet6) sch of board https://github.com/chepo92/Smartto/blob/master/Rostock301/Hardware_GTM32_PRO_VB.pdf
+ */
+
+#define DEFAULT_MACHINE_NAME "STM32F103VET6"
+#define BOARD_NAME "GTM32 Pro VB"
+
+// Ignore temp readings during development.
+#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN          PE5
+#define X_MAX_PIN          PE4
+#define Y_MIN_PIN          PE3
+#define Y_MAX_PIN          PE2
+#define Z_MIN_PIN          PE1
+#define Z_MAX_PIN          PE0
+
+//
+// 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   // core conflict?
+
+#define Z_STEP_PIN         PD6
+#define Z_DIR_PIN          PD3
+#define Z_ENABLE_PIN       PB3    // core conflict?
+
+#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
+
+//
+// Temperature Sensors
+//
+#define TEMP_BED_PIN       PC0
+#define TEMP_0_PIN         PC1
+#define TEMP_1_PIN         PC2
+#define TEMP_2_PIN         PC3
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN       PB4   // EXTRUDER 1
+#define HEATER_1_PIN       PB5   // EXTRUDER 2
+#define HEATER_2_PIN       PB0   // EXTRUDER 3
+
+#define HEATER_BED_PIN     PB1   // BED
+
+#define FAN_PIN            PB7   // (Sprinter config)
+#define FAN1_PIN           PB8
+#define FAN2_PIN           PB9
+
+//
+// Misc. Functions
+//
+#define LED_PIN            PD12