diff --git a/Marlin/src/core/boards.h b/Marlin/src/core/boards.h
index 5efa2dff2..0180268d7 100644
--- a/Marlin/src/core/boards.h
+++ b/Marlin/src/core/boards.h
@@ -303,7 +303,7 @@
#define BOARD_RUMBA32 4203 // RUMBA32 STM32F4-based controller
#define BOARD_BLACK_STM32F407VE 4204 // BLACK_STM32F407VE
#define BOARD_BLACK_STM32F407ZE 4205 // BLACK_STM32F407ZE
-#define BOARD_STEVAL 4206 // STEVAL-3DP001V1 3D PRINTER BOARD
+#define BOARD_STEVAL_3DP001V1 4206 // STEVAL-3DP001V1 3D PRINTER BOARD
#define BOARD_BIGTREE_SKR_PRO_V1_1 4207 // BigTreeTech SKR Pro v1.1 (STM32F407ZG)
#define BOARD_BIGTREE_BTT002_V1_0 4208 // BigTreeTech BTT002 v1.0 (STM32F407VE)
#define BOARD_LERDGE_K 4209 // Lerdge K (STM32F407ZG)
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 04cd808f5..c43b6698b 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -426,44 +426,6 @@
#error "HOME_USING_SPREADCYCLE is now obsolete. Please remove it from Configuration_adv.h."
#endif
-#define BOARD_MKS_13 -1000
-#define BOARD_TRIGORILLA -1001
-#define BOARD_RURAMPS4D -1002
-#define BOARD_FORMBOT_TREX2 -1003
-#define BOARD_BIQU_SKR_V1_1 -1004
-#define BOARD_STM32F1R -1005
-#define BOARD_STM32F103R -1006
-#define BOARD_ESP32 -1007
-#define BOARD_BIGTREE_SKR_MINI_E3 -1008
-#if MB(MKS_13)
- #error "BOARD_MKS_13 has been renamed BOARD_MKS_GEN_13. Please update your configuration."
-#elif MB(TRIGORILLA)
- #error "BOARD_TRIGORILLA has been renamed BOARD_TRIGORILLA_13. Please update your configuration."
-#elif MB(RURAMPS4D)
- #error "BOARD_RURAMPS4D has been renamed BOARD_RURAMPS4D_11. Please update your configuration."
-#elif MB(FORMBOT_TREX2)
- #error "FORMBOT_TREX2 has been renamed BOARD_FORMBOT_TREX2PLUS. Please update your configuration."
-#elif MB(BIQU_SKR_V1_1)
- #error "BOARD_BIQU_SKR_V1_1 has been renamed BOARD_BIGTREE_SKR_V1_1. Please update your configuration."
-#elif MB(STM32F1R)
- #error "BOARD_STM32F1R has been renamed BOARD_STM32F103RE. Please update your configuration."
-#elif MB(STM32F103R)
- #error "BOARD_STM32F103R has been renamed BOARD_STM32F103RE. Please update your configuration."
-#elif MOTHERBOARD == BOARD_ESP32
- #error "BOARD_ESP32 has been renamed BOARD_ESPRESSIF_ESP32. Please update your configuration."
-#elif MOTHERBOARD == BOARD_BIGTREE_SKR_MINI_E3
- #error "BOARD_BIGTREE_SKR_MINI_E3 has been renamed BOARD_BTT_SKR_MINI_E3_V1_0. Please update your configuration."
-#endif
-#undef BOARD_MKS_13
-#undef BOARD_TRIGORILLA
-#undef BOARD_RURAMPS4D
-#undef BOARD_FORMBOT_TREX2
-#undef BOARD_BIQU_SKR_V1_1
-#undef BOARD_STM32F1R
-#undef BOARD_STM32F103R
-#undef BOARD_ESP32
-#undef BOARD_BIGTREE_SKR_MINI_E3
-
/**
* Marlin release, version and default string
*/
diff --git a/Marlin/src/pins/pins.h b/Marlin/src/pins/pins.h
index 481bb1403..8f42f6bda 100644
--- a/Marlin/src/pins/pins.h
+++ b/Marlin/src/pins/pins.h
@@ -523,8 +523,8 @@
#include "stm32/pins_RUMBA32.h" // STM32F4 env:RUMBA32
#elif MB(BLACK_STM32F407VE)
#include "stm32/pins_BLACK_STM32F407VE.h" // STM32F4 env:STM32F407VE_black
-#elif MB(STEVAL)
- #include "stm32/pins_STEVAL.h" // STM32F4 env:STM32F4
+#elif MB(STEVAL_3DP001V1)
+ #include "stm32/pins_STEVAL_3DP001V1.h" // STM32F4 env:STM32F401VE_STEVAL
#elif MB(BIGTREE_SKR_PRO_V1_1)
#include "stm32/pins_BTT_SKR_PRO_V1_1.h" // STM32F4 env:BIGTREE_SKR_PRO
#elif MB(BIGTREE_BTT002_V1_0)
@@ -571,7 +571,57 @@
#include "linux/pins_RAMPS_LINUX.h" // Linux env:linux_native
#else
- #error "Unknown MOTHERBOARD value set in Configuration.h"
+
+ //
+ // Obsolete or unknown board
+ //
+
+ #define BOARD_MKS_13 -1000
+ #define BOARD_TRIGORILLA -1001
+ #define BOARD_RURAMPS4D -1002
+ #define BOARD_FORMBOT_TREX2 -1003
+ #define BOARD_BIQU_SKR_V1_1 -1004
+ #define BOARD_STM32F1R -1005
+ #define BOARD_STM32F103R -1006
+ #define BOARD_ESP32 -1007
+ #define BOARD_BIGTREE_SKR_MINI_E3 -1008
+ #define BOARD_STEVAL -1009
+
+ #if MB(MKS_13)
+ #error "BOARD_MKS_13 has been renamed BOARD_MKS_GEN_13. Please update your configuration."
+ #elif MB(TRIGORILLA)
+ #error "BOARD_TRIGORILLA has been renamed BOARD_TRIGORILLA_13. Please update your configuration."
+ #elif MB(RURAMPS4D)
+ #error "BOARD_RURAMPS4D has been renamed BOARD_RURAMPS4D_11. Please update your configuration."
+ #elif MB(FORMBOT_TREX2)
+ #error "FORMBOT_TREX2 has been renamed BOARD_FORMBOT_TREX2PLUS. Please update your configuration."
+ #elif MB(BIQU_SKR_V1_1)
+ #error "BOARD_BIQU_SKR_V1_1 has been renamed BOARD_BIGTREE_SKR_V1_1. Please update your configuration."
+ #elif MB(STM32F1R)
+ #error "BOARD_STM32F1R has been renamed BOARD_STM32F103RE. Please update your configuration."
+ #elif MB(STM32F103R)
+ #error "BOARD_STM32F103R has been renamed BOARD_STM32F103RE. Please update your configuration."
+ #elif MOTHERBOARD == BOARD_ESP32
+ #error "BOARD_ESP32 has been renamed BOARD_ESPRESSIF_ESP32. Please update your configuration."
+ #elif MB(BIGTREE_SKR_MINI_E3)
+ #error "BOARD_BIGTREE_SKR_MINI_E3 has been renamed BOARD_BTT_SKR_MINI_E3_V1_0. Please update your configuration."
+ #elif MB(STEVAL)
+ #error "BOARD_STEVAL has been renamed BOARD_STEVAL_3DP001V1. Please update your configuration."
+ #else
+ #error "Unknown MOTHERBOARD value set in Configuration.h"
+ #endif
+
+ #undef BOARD_MKS_13
+ #undef BOARD_TRIGORILLA
+ #undef BOARD_RURAMPS4D
+ #undef BOARD_FORMBOT_TREX2
+ #undef BOARD_BIQU_SKR_V1_1
+ #undef BOARD_STM32F1R
+ #undef BOARD_STM32F103R
+ #undef BOARD_ESP32
+ #undef BOARD_BIGTREE_SKR_MINI_E3
+ #undef BOARD_STEVAL
+
#endif
// Define certain undefined pins
diff --git a/Marlin/src/pins/stm32/pins_STEVAL.h b/Marlin/src/pins/stm32/pins_STEVAL.h
deleted file mode 100644
index 062981a1e..000000000
--- a/Marlin/src/pins/stm32/pins_STEVAL.h
+++ /dev/null
@@ -1,150 +0,0 @@
-/**
- * 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
-
-#ifndef STM32F4
- #error "Oops! Select an STM32F4 board in 'Tools > Board.'"
-#endif
-
-#ifndef MACHINE_NAME
- #define MACHINE_NAME "STEVAL-3DP001V1"
-#endif
-
-#undef TEMP_TIMER
-#define TEMP_TIMER 9 // the Marlin default of timer 7 doesn't exist on the STM32MF401 series
-
-//
-// Limit Switches
-//
-#define X_MIN_PIN 38 // PD8 X_STOP
-#define X_MAX_PIN -1
-#define Y_MIN_PIN 39 // PD9 Y_STOP
-#define Y_MAX_PIN -1
-#define Z_MIN_PIN 40 // PD10 Z_STOP
-#define Z_MAX_PIN -1
-
-//
-// Z Probe (when not Z_MIN_PIN)
-//
-// #ifndef Z_MIN_PROBE_PIN
-// #define Z_MIN_PROBE_PIN 11 // PA4
-// #endif
-
-#define SCK_PIN 16 // PB13 SPI_S
-#define MISO_PIN 17 // PB14 SPI_M
-#define MOSI_PIN 18 // PB15 SPI_M
-
-//
-// Steppers
-//
-
-#define X_STEP_PIN 60 // PE14 X_PWM
-#define X_DIR_PIN 61 // PE15 X_DIR
-#define X_ENABLE_PIN 59 // PE13 X_RES
-#define X_CS_PIN 11 // PA4 SPI_CS
-
-#define Y_STEP_PIN 62 // PB10 Y_PWM
-#define Y_DIR_PIN 63 // PE9 Y_DIR
-#define Y_ENABLE_PIN 64 // PE10 Y_RES
-#define Y_CS_PIN 11 // PA4 SPI_CS
-
-#define Z_STEP_PIN 66 // PC6 Z_PWM
-#define Z_DIR_PIN 67 // PC0 Z_DIR
-#define Z_ENABLE_PIN 65 // PC15 Z_RES
-#define Z_CS_PIN 11 // PA4 SPI_CS
-
-#define E0_STEP_PIN 70 // PD12 E1_PW
-#define E0_DIR_PIN 68 // PC13 E1_DIR
-#define E0_ENABLE_PIN 69 // PC14 E1_RE
-#define E0_CS_PIN 11 // PA4 SPI_CS
-
-#define E1_STEP_PIN 72 // PE5 E2_PWM
-#define E1_DIR_PIN 73 // PE6 E2_DIR
-#define E1_ENABLE_PIN 71 // PE4 E2_RESE
-#define E1_CS_PIN 11 // PA4 SPI_CS
-
-#define E2_STEP_PIN 76 // PB8 E3_PWM
-#define E2_DIR_PIN 74 // PE2 E3_DIR
-#define E2_ENABLE_PIN 75 // PE3 E3_RESE
-#define E2_CS_PIN 11 // PA4 SPI_CS
-
-
-//
-// Temperature Sensors
-//
-#define TEMP_0_PIN 52 // PA0 E1_THER
-#define TEMP_1_PIN 53 // PA1 E2_THER
-#define TEMP_BED_PIN 50 // PC2 BED_THE
-
-//
-// Heaters / Fans
-//
-#define HEATER_0_PIN 52 // PA0 E1_THER
-#define HEATER_1_PIN 53 // PA1 E2_THER
-#define HEATER_BED_PIN 50 // PC2 BED_THE
-
-#define FAN_PIN 56 // PC4 E1_FAN PWM pin, Part cooling fan
-#define FAN1_PIN 57 // PC5 E2_FAN PWM pin, Extruder fan
-#define FAN2_PIN 58 // PE8 E3_FAN PWM pin, Controller fan
-
-//
-// Misc functions
-//
-#define SDSS 11 // PA4 SPI_CS
-#define LED_PIN -1 // Heart beat
-#define PS_ON_PIN -1
-#define KILL_PIN -1
-#define PWR_LOSS -1 // Power loss / nAC_FAULT
-
-//
-// LCD / Controller
-//
-//#define SD_DETECT_PIN 24 // PA15 SD_CA
-//#define BEEPER_PIN 23 // PC9 SDIO_D1
-//#define LCD_PINS_RS 63 // PE9 Y_DIR
-//#define LCD_PINS_ENABLE 58 // PE8 E3_FAN
-//#define LCD_PINS_D4 15 // PB12 SPI_C
-//#define LCD_PINS_D5 16 // PB13 SPI_S
-//#define LCD_PINS_D6 17 // PB14 SPI_M
-//#define LCD_PINS_D7 18 // PB15 SPI_M
-//#define BTN_EN1 56 // PC4 E1_FAN
-//#define BTN_EN2 57 // PC5 E2_FAN
-//#define BTN_ENC 51 // PC3 BED_THE
-
-//
-// Filament runout detection
-//
-//#define FIL_RUNOUT_PIN 55 // PA3 BED_THE
-
-//
-// Extension pins
-//
-//#define EXT0_PIN 48 // PB0 E2_HEAT
-//#define EXT1_PIN 49 // PB1 E3_HEAT
-//#define EXT2_PIN // PB2
-//#define EXT3_PIN 38 // PD8 X_STOP
-//#define EXT4_PIN 39 // PD9 Y_STOP
-//#define EXT5_PIN 40 // PD10 Z_STOP
-//#define EXT6_PIN 41 // PD11
-//#define EXT7_PIN 70 // PD12 E1_PW
-//#define EXT8_PIN 62 // PB10 Y_PWM
-//#define EXT9_PIN // PB11
diff --git a/Marlin/src/pins/stm32/pins_STEVAL_3DP001V1.h b/Marlin/src/pins/stm32/pins_STEVAL_3DP001V1.h
new file mode 100644
index 000000000..92ef2f54c
--- /dev/null
+++ b/Marlin/src/pins/stm32/pins_STEVAL_3DP001V1.h
@@ -0,0 +1,349 @@
+/**
+ * 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 .
+ *
+ */
+
+// This pin map came from https://github.com/stm32duino/Arduino_Core_STM32/blob/master/variants/ST3DP001_EVAL/variant.cpp
+
+/**
+ * HOW TO COMPILE
+ *
+ * PlatformIO - use the environment STM32F401VE_STEVAL. The AUTO BUILD script will automatically use that environment.
+ *
+ * Arduino - this has been tested under 1.8.10
+ * Install library per https://github.com/stm32duino/Arduino_Core_STM32
+ * Make the following selections under the TOOL menu in the Arduino IDE
+ * Board: "3D printer boards"
+ * Board part number: "STEVAL-3DP001V1"
+ * U(S)ART support: "Enabled (generic "Serial")"
+ * USB support (if available): "CDC (no generic "Serial")"
+ * Optimize: "Smallest (-Os default)"
+ * C Runtime Library: "newlib Nano (default)"
+ */
+
+#pragma once
+
+#ifndef STM32F4
+ #error "Oops! Select an STM32F4 board in 'Tools > Board.'"
+#endif
+
+#ifndef MACHINE_NAME
+ #define MACHINE_NAME "STEVAL-3DP001V1"
+#endif
+
+#undef TEMP_TIMER
+#define TEMP_TIMER 9 // the Marlin default of timer 7 doesn't exist on the STM32MF401 series
+
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN 39 // PD8 X_STOP
+//#define X_MAX_PIN 44 // PD0 W_STOP
+#define Y_MIN_PIN 40 // PD9 Y_STOP
+//#define Y_MAX_PIN 43 // PA8 V_STOP
+#define Z_MIN_PIN 41 // PD10 Z_STOP
+//#define Z_MAX_PIN 42 // PD11 U_STOP
+
+//
+// Z Probe (when not Z_MIN_PIN)
+//
+// #ifndef Z_MIN_PROBE_PIN
+// #define Z_MIN_PROBE_PIN 16 // PA4
+// #endif
+
+#define SCK_PIN 13 // PB13 SPI_S
+#define MISO_PIN 12 // PB14 SPI_M
+#define MOSI_PIN 11 // PB15 SPI_M
+
+
+#define L6470_CHAIN_SCK_PIN 17 // PA5
+#define L6470_CHAIN_MISO_PIN 18 // PA6
+#define L6470_CHAIN_MOSI_PIN 19 // PA7
+#define L6470_CHAIN_SS_PIN 16 // PA4
+
+//#define SCK_PIN L6470_CHAIN_SCK_PIN
+//#define MISO_PIN L6470_CHAIN_MISO_PIN
+//#define MOSI_PIN L6470_CHAIN_MOSI_PIN
+
+//
+// Steppers
+//
+
+#define X_STEP_PIN 61 // PE14 X_PWM
+#define X_DIR_PIN 62 // PE15 X_DIR
+#define X_ENABLE_PIN 60 // PE13 X_RES
+#define X_CS_PIN 16 // PA4 SPI_CS
+
+#define Y_STEP_PIN 64 // PB10 Y_PWM
+#define Y_DIR_PIN 65 // PE9 Y_DIR
+#define Y_ENABLE_PIN 63 // PE10 Y_RES
+#define Y_CS_PIN 16 // PA4 SPI_CS
+
+#define Z_STEP_PIN 67 // PC6 Z_PWM
+#define Z_DIR_PIN 68 // PC0 Z_DIR
+#define Z_ENABLE_PIN 66 // PC15 Z_RES
+#define Z_CS_PIN 16 // PA4 SPI_CS
+
+#define E0_STEP_PIN 71 // PD12 E1_PW
+#define E0_DIR_PIN 70 // PC13 E1_DIR
+#define E0_ENABLE_PIN 69 // PC14 E1_RE
+#define E0_CS_PIN 16 // PA4 SPI_CS
+
+#define E1_STEP_PIN 73 // PE5 E2_PWM
+#define E1_DIR_PIN 74 // PE6 E2_DIR
+#define E1_ENABLE_PIN 72 // PE4 E2_RESE
+#define E1_CS_PIN 16 // PA4 SPI_CS
+
+#define E2_STEP_PIN 77 // PB8 E3_PWM
+#define E2_DIR_PIN 76 // PE2 E3_DIR
+#define E2_ENABLE_PIN 75 // PE3 E3_RESE
+#define E2_CS_PIN 16 // PA4 SPI_CS
+
+// needed to pass a sanity check
+#define X2_CS_PIN 16 // PA4 SPI_CS
+#define Y2_CS_PIN 16 // PA4 SPI_CS
+#define Z2_CS_PIN 16 // PA4 SPI_CS
+#define Z3_CS_PIN 16 // PA4 SPI_CS
+#define E3_CS_PIN 16 // PA4 SPI_CS
+#define E4_CS_PIN 16 // PA4 SPI_CS
+#define E5_CS_PIN 16 // PA4 SPI_CS
+
+/**
+ * macro to reset/enable L6474 chips
+ *
+ * IMPORTANT - to disable (bypass) a L6474, install the corresponding
+ * resistor (R11 - R17) and change the "V" to zero for the
+ * corresponding pin.
+ */
+#define ENABLE_RESET_L64XX_CHIPS(V) do{OUT_WRITE(X_ENABLE_PIN, V);\
+ OUT_WRITE(Y_ENABLE_PIN, V);\
+ OUT_WRITE(Z_ENABLE_PIN, V);\
+ OUT_WRITE(E0_ENABLE_PIN,V);\
+ OUT_WRITE(E1_ENABLE_PIN,V);\
+ OUT_WRITE(E2_ENABLE_PIN,V);\
+ }while(0)
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN 54 // PA0 E1_THERMISTOR
+#define TEMP_1_PIN 55 // PA1 E2_THERMISTOR
+#define TEMP_2_PIN 56 // PA2 E3_THERMISTOR
+#define TEMP_BED_PIN 51 // PC2 BED_THERMISTOR_1
+#define TEMP_BED_1_PIN 52 // PC3 BED_THERMISTOR_2
+#define TEMP_BED_2_PIN 53 // PA3 BED_THERMISTOR_3
+
+
+
+
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN 48 // PC7 E1_HEAT_PWM
+#define HEATER_1_PIN 49 // PB0 E2_HEAT_PWM
+#define HEATER_2_PIN 50 // PB1 E3_HEAT_PWM
+#define HEATER_BED_PIN 46 // PD14 BED_HEAT_1 FET
+#define HEATER_BED_1_PIN 45 // PD13 BED_HEAT_2 FET
+#define HEATER_BED_2_PIN 47 // PD15 BED_HEAT_3 FET
+
+#define FAN_PIN 57 // PC4 E1_FAN PWM pin, Part cooling fan FET
+#define FAN1_PIN 58 // PC5 E2_FAN PWM pin, Extruder fan FET
+#define ORIG_E0_AUTO_FAN_PIN FAN1_PIN
+#define FAN2_PIN 59 // PE8 E3_FAN PWM pin, Controller fan FET
+
+//
+// Misc functions
+//
+#define SDSS 16 // PA4 SPI_CS
+#define LED_PIN -1 // 9 // PE1 green LED Heart beat
+#define PS_ON_PIN -1
+#define KILL_PIN -1
+#define PWR_LOSS -1 // Power loss / nAC_FAULT
+
+//
+// LCD / Controller
+//
+//#define SD_DETECT_PIN 66 // PA15 SD_CA
+//#define BEEPER_PIN 24 // PC9 SDIO_D1
+//#define LCD_PINS_RS 65 // PE9 Y_DIR
+//#define LCD_PINS_ENABLE 59 // PE8 E3_FAN
+//#define LCD_PINS_D4 10 // PB12 SPI_C
+//#define LCD_PINS_D5 13 // PB13 SPI_S
+//#define LCD_PINS_D6 12 // PB14 SPI_M
+//#define LCD_PINS_D7 11 // PB15 SPI_M
+//#define BTN_EN1 57 // PC4 E1_FAN
+//#define BTN_EN2 58 // PC5 E2_FAN
+//#define BTN_ENC 52 // PC3 BED_THE
+
+//
+// Filament runout detection
+//
+//#define FIL_RUNOUT_PIN 53 // PA3 BED_THE
+
+//
+// Extension pins
+//
+//#define EXT0_PIN 49 // PB0 E2_HEAT
+//#define EXT1_PIN 50 // PB1 E3_HEAT
+//#define EXT2_PIN // PB2 not used (tied to ground)
+//#define EXT3_PIN 39 // PD8 X_STOP
+//#define EXT4_PIN 40 // PD9 Y_STOP
+//#define EXT5_PIN 41 // PD10 Z_STOP
+//#define EXT6_PIN 42 // PD11
+//#define EXT7_PIN 71 // PD12 E1_PW
+//#define EXT8_PIN 64 // PB10 Y_PWM
+
+
+
+// WIFI
+// #define 2 // PD3 //CTS
+// #define 3 // PD4 //RTS
+// #define 4 // PD5 //TX
+// #define 5 // PD6 //RX
+// #define 6 // PB5 //WIFI_WAKEUP
+// #define 7 // PE11 //WIFI_RESET
+// #define 8 // PE12 //WIFI_BOOT
+
+
+// I2C USER
+// #define 14 // PB7 //SDA
+// #define 15 // PB6 //SCL
+
+// JTAG
+// 20 // PA13 //JTAG_TMS/SWDIO
+// 21 // PA14 //JTAG_TCK/SWCLK
+// 22 // PB3 //JTAG_TDO/SWO
+
+// SDCARD
+// #define 23 // PC8 //SDIO_D0
+// #define 24 // PC9 //SDIO_D1
+// #define 25 // PA15 //SD_CARD_DETECT
+// #define 26 // PC10 //SDIO_D2
+// #define 27 // PC11 //SDIO_D3
+// #define 28 // PC12 //SDIO_CK
+// #define 29 // PD2 //SDIO_CMD
+
+// OTG
+// #define 30 // PA11 //OTG_DM
+// #define 31 // PA12 //OTG_DP
+
+// USER_PINS
+// #define 34 // PD7 //USER3
+// #define 35 // PB9 //USER1
+#define temp_bob_pin 36 // PE0 //USER2
+// #define 37 // PB4 //USER4
+
+// USERKET
+// #define 38 // PE7 //USER_BUTTON
+
+
+// #define 0 // PA9 //TX
+// #define 1 // PA10 //RX
+
+
+// IR/PROBE
+// #define 32 // PD1 //IR_OUT
+// #define 33 // PC1 //IR_ON
+
+
+/**
+ * logical pin vs. port/pin cross reference
+ *
+ * PA0 54 // E1_THERMISTOR PA9 0 //TX
+ * PA1 55 // E2_THERMISTOR PA10 1 //RX
+ * PA2 56 // E3_THERMISTOR PD3 2 // CTS
+ * PA3 53 // BED_THERMISTOR_3 PD4 3 // RTS
+ * PA4 16 // SPI_CS PD5 4 // TX
+ * PA5 17 // SPI_SCK PD6 5 // RX
+ * PA6 18 // SPI_MISO PB5 6 // WIFI_WAKEUP
+ * PA7 19 // SPI_MOSI PE11 7 // WIFI_RESET
+ * PA8 43 // V_STOP PE12 8 // WIFI_BOOT
+ * PA9 0 //TX PE1 9 // STATUS_LED
+ * PA10 1 //RX PB12 10 // SPI_CS
+ * PA11 30 //OTG_DM PB15 11 // SPI_MOSI
+ * PA12 31 //OTG_DP PB14 12 // SPI_MISO
+ * PA13 20 // JTAG_TMS/SWDIO PB13 13 // SPI_SCK
+ * PA14 21 // JTAG_TCK/SWCLK PB7 14 // SDA
+ * PA15 25 // SD_CARD_DETECT PB6 15 // SCL
+ * PB0 49 // E2_HEAT_PWM PA4 16 // SPI_CS
+ * PB1 50 // E3_HEAT_PWM PA5 17 // SPI_SCK
+ * PB3 22 // JTAG_TDO/SWO PA6 18 // SPI_MISO
+ * PB4 37 // USER4 PA7 19 // SPI_MOSI
+ * PB5 6 // WIFI_WAKEUP PA13 20 // JTAG_TMS/SWDIO
+ * PB6 15 // SCL PA14 21 // JTAG_TCK/SWCLK
+ * PB7 14 // SDA PB3 22 // JTAG_TDO/SWO
+ * PB8 77 // E3_PWM PC8 23 // SDIO_D0
+ * PB9 35 // USER1 PC9 24 // SDIO_D1
+ * PB10 64 // Y_PWM PA15 25 // SD_CARD_DETECT
+ * PB12 10 // SPI_CS PC10 26 // SDIO_D2
+ * PB13 13 // SPI_SCK PC11 27 // SDIO_D3
+ * PB14 12 // SPI_MISO PC12 28 // SDIO_CK
+ * PB15 11 // SPI_MOSI PD2 29 // SDIO_CMD
+ * PC0 68 // Z_DIR PA11 30 //OTG_DM
+ * PC1 33 //IR_ON PA12 31 //OTG_DP
+ * PC2 51 // BED_THERMISTOR_1 PD1 32 //IR_OUT
+ * PC3 52 // BED_THERMISTOR_2 PC1 33 //IR_ON
+ * PC4 57 // E1_FAN PD7 34 // USER3
+ * PC5 58 // E2_FAN PB9 35 // USER1
+ * PC6 67 // Z_PWM PE0 36 // USER2
+ * PC7 48 // E1_HEAT_PWM PB4 37 // USER4
+ * PC8 23 // SDIO_D0 PE7 38 // USER_BUTTON
+ * PC9 24 // SDIO_D1 PD8 39 // X_STOP
+ * PC10 26 // SDIO_D2 PD9 40 // Y_STOP
+ * PC11 27 // SDIO_D3 PD10 41 // Z_STOP
+ * PC12 28 // SDIO_CK PD11 42 // U_STOP
+ * PC13 70 // E1_DIR PA8 43 // V_STOP
+ * PC14 69 // E1_RESET PD0 44 // W_STOP
+ * PC15 66 // Z_RESET PD13 45 // BED_HEAT_2
+ * PD0 44 // W_STOP PD14 46 // BED_HEAT_1
+ * PD1 32 //IR_OUT PD15 47 // BED_HEAT_3
+ * PD2 29 // SDIO_CMD PC7 48 // E1_HEAT_PWM
+ * PD3 2 // CTS PB0 49 // E2_HEAT_PWM
+ * PD4 3 // RTS PB1 50 // E3_HEAT_PWM
+ * PD5 4 // TX PC2 51 // BED_THERMISTOR_1
+ * PD6 5 // RX PC3 52 // BED_THERMISTOR_2
+ * PD7 34 // USER3 PA3 53 // BED_THERMISTOR_3
+ * PD8 39 // X_STOP PA0 54 // E1_THERMISTOR
+ * PD9 40 // Y_STOP PA1 55 // E2_THERMISTOR
+ * PD10 41 // Z_STOP PA2 56 // E3_THERMISTOR
+ * PD11 42 // U_STOP PC4 57 // E1_FAN
+ * PD12 71 // E1_PWM PC5 58 // E2_FAN
+ * PD13 45 // BED_HEAT_2 PE8 59 // E3_FAN
+ * PD14 46 // BED_HEAT_1 PE13 60 // X_RESET
+ * PD15 47 // BED_HEAT_3 PE14 61 // X_PWM
+ * PE0 36 // USER2 PE15 62 // X_DIR
+ * PE1 9 // STATUS_LED PE10 63 // Y_RESET
+ * PE2 76 // E3_DIR PB10 64 // Y_PWM
+ * PE3 75 // E3_RESET PE9 65 // Y_DIR
+ * PE4 72 // E2_RESET PC15 66 // Z_RESET
+ * PE5 73 // E2_PWM PC6 67 // Z_PWM
+ * PE6 74 // E2_DIR PC0 68 // Z_DIR
+ * PE7 38 // USER_BUTTON PC14 69 // E1_RESET
+ * PE8 59 // E3_FAN PC13 70 // E1_DIR
+ * PE9 65 // Y_DIR PD12 71 // E1_PWM
+ * PE10 63 // Y_RESET PE4 72 // E2_RESET
+ * PE11 7 // WIFI_RESET PE5 73 // E2_PWM
+ * PE12 8 // WIFI_BOOT PE6 74 // E2_DIR
+ * PE13 60 // X_RESET PE3 75 // E3_RESET
+ * PE14 61 // X_PWM PE2 76 // E3_DIR
+ * PE15 62 // X_DIR PB8 77 // E3_PWM
+ */
diff --git a/buildroot/share/PlatformIO/boards/STEVAL_STM32F401VE.json b/buildroot/share/PlatformIO/boards/STEVAL_STM32F401VE.json
new file mode 100644
index 000000000..bbfb3fdfa
--- /dev/null
+++ b/buildroot/share/PlatformIO/boards/STEVAL_STM32F401VE.json
@@ -0,0 +1,65 @@
+{
+ "build": {
+ "core": "stm32",
+ "cpu": "cortex-m4",
+ "extra_flags": "-DSTM32F401xx",
+ "f_cpu": "84000000L",
+ "hwids": [
+ [
+ "0x1EAF",
+ "0x0003"
+ ],
+ [
+ "0x0483",
+ "0x3748"
+ ]
+ ],
+ "ldscript": "stm32f401xe.ld",
+ "mcu": "stm32f401vet6",
+ "variant": "STEVAL_F401VE"
+ },
+ "debug": {
+ "jlink_device": "STM32F401VE",
+ "openocd_target": "stm32f4x",
+ "svd_path": "STM32F40x.svd",
+ "tools": {
+ "stlink": {
+ "server": {
+ "arguments": [
+ "-f",
+ "scripts/interface/stlink.cfg",
+ "-c",
+ "transport select hla_swd",
+ "-f",
+ "scripts/target/stm32f4x.cfg",
+ "-c",
+ "reset_config none"
+ ],
+ "executable": "bin/openocd",
+ "package": "tool-openocd"
+ }
+ }
+ }
+ },
+ "frameworks": [
+ "arduino",
+ "stm32cube"
+ ],
+ "name": "STM32F401VE (96k RAM. 512k Flash)",
+ "upload": {
+ "disable_flushing": false,
+ "maximum_ram_size": 98304,
+ "maximum_size": 514288,
+ "protocol": "stlink",
+ "protocols": [
+ "stlink",
+ "dfu",
+ "jlink"
+ ],
+ "require_upload_port": true,
+ "use_1200bps_touch": false,
+ "wait_for_upload_port": false
+ },
+ "url": "https://www.st.com/en/evaluation-tools/steval-3dp001v1.html",
+ "vendor": "Generic"
+}
diff --git a/buildroot/share/PlatformIO/scripts/STEVAL__F401XX.py b/buildroot/share/PlatformIO/scripts/STEVAL__F401XX.py
new file mode 100644
index 000000000..e132ff3af
--- /dev/null
+++ b/buildroot/share/PlatformIO/scripts/STEVAL__F401XX.py
@@ -0,0 +1,11 @@
+import os
+Import("env")
+
+custom_ld_script = os.path.abspath("buildroot/share/PlatformIO/variants/STEVAL_F401VE/ldscript.ld")
+for i, flag in enumerate(env["LINKFLAGS"]):
+ if "-Wl,-T" in flag:
+ env["LINKFLAGS"][i] = "-Wl,-T" + custom_ld_script
+ elif flag == "-T":
+ env["LINKFLAGS"][i + 1] = custom_ld_script
+
+
diff --git a/buildroot/share/PlatformIO/variants/STEVAL_F401VE/PeripheralPins.c b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/PeripheralPins.c
new file mode 100644
index 000000000..5335361a6
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/PeripheralPins.c
@@ -0,0 +1,274 @@
+
+/*
+ *******************************************************************************
+ * Copyright (c) 2019, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ * Automatically generated from STM32F401V(D-E)Tx.xml
+ */
+#include "Arduino.h"
+#include "PeripheralPins.h"
+
+/* =====
+ * Note: Commented lines are alternative possibilities which are not used per default.
+ * If you change them, you will have to know what you do
+ * =====
+ */
+
+//*** ADC ***
+
+#ifdef HAL_ADC_MODULE_ENABLED
+WEAK const PinMap PinMap_ADC[] = {
+ {PA_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 0, 0)}, // ADC1_IN0
+ {PA_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 1, 0)}, // ADC1_IN1
+ {PA_2, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 2, 0)}, // ADC1_IN2
+ {PA_3, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 3, 0)}, // ADC1_IN3
+ // {PA_4, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 4, 0)}, // ADC1_IN4
+ // {PA_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 5, 0)}, // ADC1_IN5
+ // {PA_6, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 6, 0)}, // ADC1_IN6
+ // {PA_7, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 7, 0)}, // ADC1_IN7
+ // {PB_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 8, 0)}, // ADC1_IN8
+ // {PB_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 9, 0)}, // ADC1_IN9
+ // {PC_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 10, 0)}, // ADC1_IN10
+ // {PC_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 11, 0)}, // ADC1_IN11
+ {PC_2, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 12, 0)}, // ADC1_IN12
+ {PC_3, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 13, 0)}, // ADC1_IN13
+ // {PC_4, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 14, 0)}, // ADC1_IN14
+ // {PC_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC1_IN15
+ {NC, NP, 0}
+};
+#endif
+
+//*** No DAC ***
+
+//*** I2C ***
+
+#ifdef HAL_I2C_MODULE_ENABLED
+WEAK const PinMap PinMap_I2C_SDA[] = {
+ // {PB_3, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF9_I2C2)},
+ // {PB_4, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF9_I2C3)},
+ {PB_7, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+ // {PB_9, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+ // {PC_9, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_I2C_MODULE_ENABLED
+WEAK const PinMap PinMap_I2C_SCL[] = {
+ // {PA_8, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
+ {PB_6, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+ // {PB_8, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+ // {PB_10, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)},
+ {NC, NP, 0}
+};
+#endif
+
+//*** PWM ***
+
+#ifdef HAL_TIM_MODULE_ENABLED
+WEAK const PinMap PinMap_PWM[] = {
+ // {PA_0, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 1, 0)}, // TIM2_CH1
+ // {PA_0, TIM5, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM5, 1, 0)}, // TIM5_CH1
+ // {PA_1, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 2, 0)}, // TIM2_CH2
+ // {PA_1, TIM5, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM5, 2, 0)}, // TIM5_CH2
+ // {PA_2, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 3, 0)}, // TIM2_CH3
+ // {PA_2, TIM5, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM5, 3, 0)}, // TIM5_CH3
+ // {PA_2, TIM9, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM9, 1, 0)}, // TIM9_CH1
+ // {PA_3, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 4, 0)}, // TIM2_CH4
+ // {PA_3, TIM5, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM5, 4, 0)}, // TIM5_CH4
+ // {PA_3, TIM9, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM9, 2, 0)}, // TIM9_CH2
+ // {PA_5, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 1, 0)}, // TIM2_CH1
+ // {PA_6, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 1, 0)}, // TIM3_CH1
+ // {PA_7, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 1)}, // TIM1_CH1N
+ // {PA_7, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 2, 0)}, // TIM3_CH2
+ // {PA_8, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 0)}, // TIM1_CH1
+ // {PA_9, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 0)}, // TIM1_CH2
+ // {PA_10, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 0)}, // TIM1_CH3
+ // {PA_11, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 4, 0)}, // TIM1_CH4
+ // {PA_15, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 1, 0)}, // TIM2_CH1
+ // {PB_0, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 1)}, // TIM1_CH2N
+ {PB_0, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 3, 0)}, // TIM3_CH3
+ // {PB_1, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 1)}, // TIM1_CH3N
+ {PB_1, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 4, 0)}, // TIM3_CH4
+ // {PB_3, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 2, 0)}, // TIM2_CH2
+ // {PB_4, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 1, 0)}, // TIM3_CH1
+ // {PB_5, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 2, 0)}, // TIM3_CH2
+ // {PB_6, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 1, 0)}, // TIM4_CH1
+ // {PB_7, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 2, 0)}, // TIM4_CH2
+ // {PB_8, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 3, 0)}, // TIM4_CH3
+ // {PB_8, TIM10, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM10, 1, 0)}, // TIM10_CH1
+ // {PB_9, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 4, 0)}, // TIM4_CH4
+ // {PB_9, TIM11, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM11, 1, 0)}, // TIM11_CH1
+ {PB_10, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 3, 0)}, // TIM2_CH3
+ // {PB_13, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 1)}, // TIM1_CH1N
+ // {PB_14, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 1)}, // TIM1_CH2N
+ // {PB_15, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 1)}, // TIM1_CH3N
+ {PC_6, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 1, 0)}, // TIM3_CH1
+ {PC_7, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 2, 0)}, // TIM3_CH2
+ // {PC_8, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 3, 0)}, // TIM3_CH3
+ // {PC_9, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3, 4, 0)}, // TIM3_CH4
+ {PD_12, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 1, 0)}, // TIM4_CH1
+ {PD_13, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 2, 0)}, // TIM4_CH2
+ {PD_14, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 3, 0)}, // TIM4_CH3
+ {PD_15, TIM4, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4, 4, 0)}, // TIM4_CH4
+ {PE_5, TIM9, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM9, 1, 0)}, // TIM9_CH1
+ // {PE_6, TIM9, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM9, 2, 0)}, // TIM9_CH2
+ // {PE_8, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 1)}, // TIM1_CH1N
+ // {PE_9, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 0)}, // TIM1_CH1
+ // {PE_10, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 1)}, // TIM1_CH2N
+ // {PE_11, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 0)}, // TIM1_CH2
+ // {PE_12, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 1)}, // TIM1_CH3N
+ // {PE_13, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 0)}, // TIM1_CH3
+ {PE_14, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 4, 0)}, // TIM1_CH4
+ {NC, NP, 0}
+};
+#endif
+
+//*** SERIAL ***
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_TX[] = {
+ // {PA_2, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+ {PA_9, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+ // {PA_11, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+ // {PB_6, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+ // {PC_6, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+ {PD_5, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_RX[] = {
+ // {PA_3, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+ {PA_10, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+ // {PA_12, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+ // {PB_7, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+ // {PC_7, USART6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+ {PD_6, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_RTS[] = {
+ // {PA_1, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+ // {PA_12, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+ {PD_4, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_CTS[] = {
+ // {PA_0, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+ // {PA_11, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+ {PD_3, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+ {NC, NP, 0}
+};
+#endif
+
+//*** SPI ***
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_MOSI[] = {
+ {PA_7, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+ // {PB_5, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+ // {PB_5, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+ {PB_15, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ // {PC_3, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ // {PC_12, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+ // {PD_6, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+ // {PE_6, SPI4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI4)},
+ // {PE_14, SPI4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI4)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_MISO[] = {
+ {PA_6, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+ // {PB_4, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+ // {PB_4, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+ {PB_14, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ // {PC_2, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ // {PC_11, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+ // {PE_5, SPI4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI4)},
+ // {PE_13, SPI4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI4)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_SCLK[] = {
+ {PA_5, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+ // {PB_3, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+ // {PB_3, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+ // {PB_10, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ {PB_13, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ // {PC_10, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+ // {PD_3, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ // {PE_2, SPI4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI4)},
+ // {PE_12, SPI4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI4)},
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_SSEL[] = {
+ {PA_4, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+ // {PA_4, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+ // {PA_15, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)},
+ // {PA_15, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)},
+ // {PB_9, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ {PB_12, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+ // {PE_4, SPI4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI4)},
+ // {PE_11, SPI4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI4)},
+ {NC, NP, 0}
+};
+#endif
+
+//*** No CAN ***
+
+//*** No ETHERNET ***
+
+//*** No QUADSPI ***
+
+//*** USB ***
+
+#ifdef HAL_PCD_MODULE_ENABLED
+WEAK const PinMap PinMap_USB_OTG_FS[] = {
+ // {PA_8, USB_OTG_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_OTG_FS)}, // USB_OTG_FS_SOF
+ // {PA_9, USB_OTG_FS, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, GPIO_AF_NONE)}, // USB_OTG_FS_VBUS
+ // {PA_10, USB_OTG_FS, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_PULLUP, GPIO_AF10_OTG_FS)}, // USB_OTG_FS_ID
+ {PA_11, USB_OTG_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_OTG_FS)}, // USB_OTG_FS_DM
+ {PA_12, USB_OTG_FS, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_OTG_FS)}, // USB_OTG_FS_DP
+ {NC, NP, 0}
+};
+#endif
+
+//*** No USB_OTG_HS ***
+//*** SD ***
+
+#ifdef HAL_SD_MODULE_ENABLED
+WEAK const PinMap PinMap_SD[] = {
+ // {PB_8, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D4
+ // {PB_9, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D5
+ // {PC_6, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D6
+ // {PC_7, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D7
+ {PC_8, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D0
+ {PC_9, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D1
+ {PC_10, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D2
+ {PC_11, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF12_SDIO)}, // SDIO_D3
+ {PC_12, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_SDIO)}, // SDIO_CK
+ {PD_2, SDIO, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_SDIO)}, // SDIO_CMD
+ {NC, NP, 0}
+};
+#endif
diff --git a/buildroot/share/PlatformIO/variants/STEVAL_F401VE/PinNamesVar.h b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/PinNamesVar.h
new file mode 100644
index 000000000..3082f8842
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/PinNamesVar.h
@@ -0,0 +1,33 @@
+/* SYS_WKUP */
+#ifdef PWR_WAKEUP_PIN1
+SYS_WKUP1 = PA_0,
+#endif
+#ifdef PWR_WAKEUP_PIN2
+SYS_WKUP2 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN3
+SYS_WKUP3 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN4
+SYS_WKUP4 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN5
+SYS_WKUP5 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN6
+SYS_WKUP6 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN7
+SYS_WKUP7 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN8
+SYS_WKUP8 = NC,
+#endif
+/* USB */
+#ifdef USBCON
+USB_OTG_FS_SOF = PA_8,
+USB_OTG_FS_VBUS = PA_9,
+USB_OTG_FS_ID = PA_10,
+USB_OTG_FS_DM = PA_11,
+USB_OTG_FS_DP = PA_12,
+#endif
diff --git a/buildroot/share/PlatformIO/variants/STEVAL_F401VE/hal_conf_custom.h b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/hal_conf_custom.h
new file mode 100644
index 000000000..400463342
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/hal_conf_custom.h
@@ -0,0 +1,496 @@
+/**
+ ******************************************************************************
+ * @file stm32f4xx_hal_conf.h
+ * @brief HAL configuration file.
+ ******************************************************************************
+ * @attention
+ *
+ * © Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_HAL_CONF_CUSTOM
+#define __STM32F4xx_HAL_CONF_CUSTOM
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* ########################## Module Selection ############################## */
+ /**
+ * @brief This is the list of modules to be used in the HAL driver
+ */
+#define HAL_MODULE_ENABLED
+#define HAL_ADC_MODULE_ENABLED
+/* #define HAL_CAN_MODULE_ENABLED */
+/* #define HAL_CAN_LEGACY_MODULE_ENABLED */
+#define HAL_CRC_MODULE_ENABLED
+/* #define HAL_CEC_MODULE_ENABLED */
+/* #define HAL_CRYP_MODULE_ENABLED */
+//#define HAL_DAC_MODULE_ENABLED
+/* #define HAL_DCMI_MODULE_ENABLED */
+#define HAL_DMA_MODULE_ENABLED
+/* #define HAL_DMA2D_MODULE_ENABLED */
+/* #define HAL_ETH_MODULE_ENABLED */
+#define HAL_FLASH_MODULE_ENABLED
+/* #define HAL_NAND_MODULE_ENABLED */
+/* #define HAL_NOR_MODULE_ENABLED */
+/* #define HAL_PCCARD_MODULE_ENABLED */
+/* #define HAL_SRAM_MODULE_ENABLED */
+/* #define HAL_SDRAM_MODULE_ENABLED */
+/* #define HAL_HASH_MODULE_ENABLED */
+#define HAL_GPIO_MODULE_ENABLED
+/* #define HAL_EXTI_MODULE_ENABLED */
+#define HAL_I2C_MODULE_ENABLED
+/* #define HAL_SMBUS_MODULE_ENABLED */
+/* #define HAL_I2S_MODULE_ENABLED */
+/* #define HAL_IWDG_MODULE_ENABLED */
+/* #define HAL_LTDC_MODULE_ENABLED */
+/* #define HAL_DSI_MODULE_ENABLED */
+#define HAL_PWR_MODULE_ENABLED
+/* #define HAL_QSPI_MODULE_ENABLED */
+#define HAL_RCC_MODULE_ENABLED
+/* #define HAL_RNG_MODULE_ENABLED */
+#define HAL_RTC_MODULE_ENABLED
+/* #define HAL_SAI_MODULE_ENABLED */
+#define HAL_SD_MODULE_ENABLED
+#define HAL_SPI_MODULE_ENABLED
+#define HAL_TIM_MODULE_ENABLED
+/* #define HAL_UART_MODULE_ENABLED */
+/* #define HAL_USART_MODULE_ENABLED */
+/* #define HAL_IRDA_MODULE_ENABLED */
+/* #define HAL_SMARTCARD_MODULE_ENABLED */
+/* #define HAL_WWDG_MODULE_ENABLED */
+#define HAL_CORTEX_MODULE_ENABLED
+#ifndef HAL_PCD_MODULE_ENABLED
+ #define HAL_PCD_MODULE_ENABLED //Since STM32 v3.10700.191028 this is automatically added if any type of USB is enabled (as in Arduino IDE)
+#endif
+/* #define HAL_HCD_MODULE_ENABLED */
+/* #define HAL_FMPI2C_MODULE_ENABLED */
+/* #define HAL_SPDIFRX_MODULE_ENABLED */
+/* #define HAL_DFSDM_MODULE_ENABLED */
+/* #define HAL_LPTIM_MODULE_ENABLED */
+/* #define HAL_MMC_MODULE_ENABLED */
+
+/* ########################## HSE/HSI Values adaptation ##################### */
+/**
+ * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
+ * This value is used by the RCC HAL module to compute the system frequency
+ * (when HSE is used as system clock source, directly or through the PLL).
+ */
+#ifndef HSE_VALUE
+#define HSE_VALUE 8000000U /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#ifndef HSE_STARTUP_TIMEOUT
+#define HSE_STARTUP_TIMEOUT 100U /*!< Time out for HSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+ * @brief Internal High Speed oscillator (HSI) value.
+ * This value is used by the RCC HAL module to compute the system frequency
+ * (when HSI is used as system clock source, directly or through the PLL).
+ */
+#ifndef HSI_VALUE
+#define HSI_VALUE 16000000U /*!< Value of the Internal oscillator in Hz */
+#endif /* HSI_VALUE */
+
+/**
+ * @brief Internal Low Speed oscillator (LSI) value.
+ */
+#ifndef LSI_VALUE
+#define LSI_VALUE 32000U /*!< LSI Typical Value in Hz */
+#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz
+The real value may vary depending on the variations
+in voltage and temperature. */
+/**
+ * @brief External Low Speed oscillator (LSE) value.
+ */
+#ifndef LSE_VALUE
+#define LSE_VALUE 32768U /*!< Value of the External Low Speed oscillator in Hz */
+#endif /* LSE_VALUE */
+
+#ifndef LSE_STARTUP_TIMEOUT
+#define LSE_STARTUP_TIMEOUT 5000U /*!< Time out for LSE start up, in ms */
+#endif /* LSE_STARTUP_TIMEOUT */
+
+/**
+ * @brief External clock source for I2S peripheral
+ * This value is used by the I2S HAL module to compute the I2S clock source
+ * frequency, this source is inserted directly through I2S_CKIN pad.
+ */
+#ifndef EXTERNAL_CLOCK_VALUE
+#define EXTERNAL_CLOCK_VALUE 12288000U /*!< Value of the External oscillator in Hz*/
+#endif /* EXTERNAL_CLOCK_VALUE */
+
+/* Tip: To avoid modifying this file each time you need to use different HSE,
+ === you can define the HSE value in your toolchain compiler preprocessor. */
+
+/* ########################### System Configuration ######################### */
+/**
+ * @brief This is the HAL system configuration section
+ */
+#if !defined (VDD_VALUE)
+#define VDD_VALUE 3300U /*!< Value of VDD in mv */
+#endif
+#if !defined (TICK_INT_PRIORITY)
+#define TICK_INT_PRIORITY 0x00U /*!< tick interrupt priority */
+#endif
+#if !defined (USE_RTOS)
+#define USE_RTOS 0U
+#endif
+#if !defined (PREFETCH_ENABLE)
+#define PREFETCH_ENABLE 1U
+#endif
+#if !defined (INSTRUCTION_CACHE_ENABLE)
+#define INSTRUCTION_CACHE_ENABLE 1U
+#endif
+#if !defined (DATA_CACHE_ENABLE)
+#define DATA_CACHE_ENABLE 1U
+#endif
+
+#define USE_HAL_ADC_REGISTER_CALLBACKS 0U /* ADC register callback disabled */
+#define USE_HAL_CAN_REGISTER_CALLBACKS 0U /* CAN register callback disabled */
+#define USE_HAL_CEC_REGISTER_CALLBACKS 0U /* CEC register callback disabled */
+#define USE_HAL_CRYP_REGISTER_CALLBACKS 0U /* CRYP register callback disabled */
+#define USE_HAL_DAC_REGISTER_CALLBACKS 0U /* DAC register callback disabled */
+#define USE_HAL_DCMI_REGISTER_CALLBACKS 0U /* DCMI register callback disabled */
+#define USE_HAL_DFSDM_REGISTER_CALLBACKS 0U /* DFSDM register callback disabled */
+#define USE_HAL_DMA2D_REGISTER_CALLBACKS 0U /* DMA2D register callback disabled */
+#define USE_HAL_DSI_REGISTER_CALLBACKS 0U /* DSI register callback disabled */
+#define USE_HAL_ETH_REGISTER_CALLBACKS 0U /* ETH register callback disabled */
+#define USE_HAL_HASH_REGISTER_CALLBACKS 0U /* HASH register callback disabled */
+#define USE_HAL_HCD_REGISTER_CALLBACKS 0U /* HCD register callback disabled */
+#define USE_HAL_I2C_REGISTER_CALLBACKS 0U /* I2C register callback disabled */
+#define USE_HAL_FMPI2C_REGISTER_CALLBACKS 0U /* FMPI2C register callback disabled */
+#define USE_HAL_I2S_REGISTER_CALLBACKS 0U /* I2S register callback disabled */
+#define USE_HAL_IRDA_REGISTER_CALLBACKS 0U /* IRDA register callback disabled */
+#define USE_HAL_LPTIM_REGISTER_CALLBACKS 0U /* LPTIM register callback disabled */
+#define USE_HAL_LTDC_REGISTER_CALLBACKS 0U /* LTDC register callback disabled */
+#define USE_HAL_MMC_REGISTER_CALLBACKS 0U /* MMC register callback disabled */
+#define USE_HAL_NAND_REGISTER_CALLBACKS 0U /* NAND register callback disabled */
+#define USE_HAL_NOR_REGISTER_CALLBACKS 0U /* NOR register callback disabled */
+#define USE_HAL_PCCARD_REGISTER_CALLBACKS 0U /* PCCARD register callback disabled */
+#define USE_HAL_PCD_REGISTER_CALLBACKS 0U /* PCD register callback disabled */
+#define USE_HAL_QSPI_REGISTER_CALLBACKS 0U /* QSPI register callback disabled */
+#define USE_HAL_RNG_REGISTER_CALLBACKS 0U /* RNG register callback disabled */
+#define USE_HAL_RTC_REGISTER_CALLBACKS 0U /* RTC register callback disabled */
+#define USE_HAL_SAI_REGISTER_CALLBACKS 0U /* SAI register callback disabled */
+#define USE_HAL_SD_REGISTER_CALLBACKS 0U /* SD register callback disabled */
+#define USE_HAL_SMARTCARD_REGISTER_CALLBACKS 0U /* SMARTCARD register callback disabled */
+#define USE_HAL_SDRAM_REGISTER_CALLBACKS 0U /* SDRAM register callback disabled */
+#define USE_HAL_SRAM_REGISTER_CALLBACKS 0U /* SRAM register callback disabled */
+#define USE_HAL_SPDIFRX_REGISTER_CALLBACKS 0U /* SPDIFRX register callback disabled */
+#define USE_HAL_SMBUS_REGISTER_CALLBACKS 0U /* SMBUS register callback disabled */
+#define USE_HAL_SPI_REGISTER_CALLBACKS 0U /* SPI register callback disabled */
+#define USE_HAL_TIM_REGISTER_CALLBACKS 0U /* TIM register callback disabled */
+#define USE_HAL_UART_REGISTER_CALLBACKS 0U /* UART register callback disabled */
+#define USE_HAL_USART_REGISTER_CALLBACKS 0U /* USART register callback disabled */
+#define USE_HAL_WWDG_REGISTER_CALLBACKS 0U /* WWDG register callback disabled */
+
+/* ########################## Assert Selection ############################## */
+/**
+ * @brief Uncomment the line below to expanse the "assert_param" macro in the
+ * HAL drivers code
+ */
+/* #define USE_FULL_ASSERT 1U */
+
+/* ################## Ethernet peripheral configuration ##################### */
+
+/* Section 1 : Ethernet peripheral configuration */
+
+/* MAC ADDRESS: MAC_ADDR0:MAC_ADDR1:MAC_ADDR2:MAC_ADDR3:MAC_ADDR4:MAC_ADDR5 */
+#define MAC_ADDR0 2U
+#define MAC_ADDR1 0U
+#define MAC_ADDR2 0U
+#define MAC_ADDR3 0U
+#define MAC_ADDR4 0U
+#define MAC_ADDR5 0U
+
+/* Definition of the Ethernet driver buffers size and count */
+#define ETH_RX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for receive */
+#define ETH_TX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for transmit */
+#define ETH_RXBUFNB ((uint32_t)4U) /* 4 Rx buffers of size ETH_RX_BUF_SIZE */
+#define ETH_TXBUFNB ((uint32_t)4U) /* 4 Tx buffers of size ETH_TX_BUF_SIZE */
+
+/* Section 2: PHY configuration section */
+
+/* DP83848_PHY_ADDRESS Address*/
+#define DP83848_PHY_ADDRESS 0x01U
+/* PHY Reset delay these values are based on a 1 ms Systick interrupt*/
+#define PHY_RESET_DELAY 0x000000FFU
+/* PHY Configuration delay */
+#define PHY_CONFIG_DELAY 0x00000FFFU
+
+#define PHY_READ_TO 0x0000FFFFU
+#define PHY_WRITE_TO 0x0000FFFFU
+
+/* Section 3: Common PHY Registers */
+
+#define PHY_BCR ((uint16_t)0x0000) /*!< Transceiver Basic Control Register */
+#define PHY_BSR ((uint16_t)0x0001) /*!< Transceiver Basic Status Register */
+
+#define PHY_RESET ((uint16_t)0x8000) /*!< PHY Reset */
+#define PHY_LOOPBACK ((uint16_t)0x4000) /*!< Select loop-back mode */
+#define PHY_FULLDUPLEX_100M ((uint16_t)0x2100) /*!< Set the full-duplex mode at 100 Mb/s */
+#define PHY_HALFDUPLEX_100M ((uint16_t)0x2000) /*!< Set the half-duplex mode at 100 Mb/s */
+#define PHY_FULLDUPLEX_10M ((uint16_t)0x0100) /*!< Set the full-duplex mode at 10 Mb/s */
+#define PHY_HALFDUPLEX_10M ((uint16_t)0x0000) /*!< Set the half-duplex mode at 10 Mb/s */
+#define PHY_AUTONEGOTIATION ((uint16_t)0x1000) /*!< Enable auto-negotiation function */
+#define PHY_RESTART_AUTONEGOTIATION ((uint16_t)0x0200) /*!< Restart auto-negotiation function */
+#define PHY_POWERDOWN ((uint16_t)0x0800) /*!< Select the power down mode */
+#define PHY_ISOLATE ((uint16_t)0x0400) /*!< Isolate PHY from MII */
+
+#define PHY_AUTONEGO_COMPLETE ((uint16_t)0x0020) /*!< Auto-Negotiation process completed */
+#define PHY_LINKED_STATUS ((uint16_t)0x0004) /*!< Valid link established */
+#define PHY_JABBER_DETECTION ((uint16_t)0x0002) /*!< Jabber condition detected */
+
+/* Section 4: Extended PHY Registers */
+#define PHY_SR ((uint16_t)0x10U) /*!< PHY status register Offset */
+
+#define PHY_SPEED_STATUS ((uint16_t)0x0002U) /*!< PHY Speed mask */
+#define PHY_DUPLEX_STATUS ((uint16_t)0x0004U) /*!< PHY Duplex mask */
+
+/* ################## SPI peripheral configuration ########################## */
+
+/* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver
+ * Activated: CRC code is present inside driver
+ * Deactivated: CRC code cleaned from driver
+ */
+#ifndef USE_SPI_CRC
+#define USE_SPI_CRC 0U
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+/**
+ * @brief Include module's header file
+ */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+#include "stm32f4xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+#include "stm32f4xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_EXTI_MODULE_ENABLED
+#include "stm32f4xx_hal_exti.h"
+#endif /* HAL_EXTI_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+#include "stm32f4xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+
+#ifdef HAL_CORTEX_MODULE_ENABLED
+#include "stm32f4xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+#include "stm32f4xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_CAN_MODULE_ENABLED
+#include "stm32f4xx_hal_can.h"
+#endif /* HAL_CAN_MODULE_ENABLED */
+
+#ifdef HAL_CAN_LEGACY_MODULE_ENABLED
+#include "stm32f4xx_hal_can_legacy.h"
+#endif /* HAL_CAN_LEGACY_MODULE_ENABLED */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+#include "stm32f4xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+#include "stm32f4xx_hal_cryp.h"
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+#ifdef HAL_DMA2D_MODULE_ENABLED
+#include "stm32f4xx_hal_dma2d.h"
+#endif /* HAL_DMA2D_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+#include "stm32f4xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_DCMI_MODULE_ENABLED
+#include "stm32f4xx_hal_dcmi.h"
+#endif /* HAL_DCMI_MODULE_ENABLED */
+
+#ifdef HAL_ETH_MODULE_ENABLED
+#include "stm32f4xx_hal_eth.h"
+#endif /* HAL_ETH_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+#include "stm32f4xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+
+#ifdef HAL_SRAM_MODULE_ENABLED
+#include "stm32f4xx_hal_sram.h"
+#endif /* HAL_SRAM_MODULE_ENABLED */
+
+#ifdef HAL_NOR_MODULE_ENABLED
+#include "stm32f4xx_hal_nor.h"
+#endif /* HAL_NOR_MODULE_ENABLED */
+
+#ifdef HAL_NAND_MODULE_ENABLED
+#include "stm32f4xx_hal_nand.h"
+#endif /* HAL_NAND_MODULE_ENABLED */
+
+#ifdef HAL_PCCARD_MODULE_ENABLED
+#include "stm32f4xx_hal_pccard.h"
+#endif /* HAL_PCCARD_MODULE_ENABLED */
+
+#ifdef HAL_SDRAM_MODULE_ENABLED
+#include "stm32f4xx_hal_sdram.h"
+#endif /* HAL_SDRAM_MODULE_ENABLED */
+
+#ifdef HAL_HASH_MODULE_ENABLED
+#include "stm32f4xx_hal_hash.h"
+#endif /* HAL_HASH_MODULE_ENABLED */
+
+#ifdef HAL_I2C_MODULE_ENABLED
+#include "stm32f4xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_SMBUS_MODULE_ENABLED
+#include "stm32f4xx_hal_smbus.h"
+#endif /* HAL_SMBUS_MODULE_ENABLED */
+
+#ifdef HAL_I2S_MODULE_ENABLED
+#include "stm32f4xx_hal_i2s.h"
+#endif /* HAL_I2S_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+#include "stm32f4xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_LTDC_MODULE_ENABLED
+#include "stm32f4xx_hal_ltdc.h"
+#endif /* HAL_LTDC_MODULE_ENABLED */
+
+#ifdef HAL_PWR_MODULE_ENABLED
+#include "stm32f4xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_RNG_MODULE_ENABLED
+#include "stm32f4xx_hal_rng.h"
+#endif /* HAL_RNG_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+#include "stm32f4xx_hal_rtc.h"
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SAI_MODULE_ENABLED
+#include "stm32f4xx_hal_sai.h"
+#endif /* HAL_SAI_MODULE_ENABLED */
+
+#ifdef HAL_SD_MODULE_ENABLED
+#include "stm32f4xx_hal_sd.h"
+#endif /* HAL_SD_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+#include "stm32f4xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+#include "stm32f4xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+#include "stm32f4xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+#include "stm32f4xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+#include "stm32f4xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+#include "stm32f4xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+#include "stm32f4xx_hal_wwdg.h"
+#endif /* HAL_WWDG_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+#include "stm32f4xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+#ifdef HAL_HCD_MODULE_ENABLED
+#include "stm32f4xx_hal_hcd.h"
+#endif /* HAL_HCD_MODULE_ENABLED */
+
+#ifdef HAL_DSI_MODULE_ENABLED
+#include "stm32f4xx_hal_dsi.h"
+#endif /* HAL_DSI_MODULE_ENABLED */
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+#include "stm32f4xx_hal_qspi.h"
+#endif /* HAL_QSPI_MODULE_ENABLED */
+
+#ifdef HAL_CEC_MODULE_ENABLED
+#include "stm32f4xx_hal_cec.h"
+#endif /* HAL_CEC_MODULE_ENABLED */
+
+#ifdef HAL_FMPI2C_MODULE_ENABLED
+#include "stm32f4xx_hal_fmpi2c.h"
+#endif /* HAL_FMPI2C_MODULE_ENABLED */
+
+#ifdef HAL_SPDIFRX_MODULE_ENABLED
+#include "stm32f4xx_hal_spdifrx.h"
+#endif /* HAL_SPDIFRX_MODULE_ENABLED */
+
+#ifdef HAL_DFSDM_MODULE_ENABLED
+#include "stm32f4xx_hal_dfsdm.h"
+#endif /* HAL_DFSDM_MODULE_ENABLED */
+
+#ifdef HAL_LPTIM_MODULE_ENABLED
+#include "stm32f4xx_hal_lptim.h"
+#endif /* HAL_LPTIM_MODULE_ENABLED */
+
+#ifdef HAL_MMC_MODULE_ENABLED
+#include "stm32f4xx_hal_mmc.h"
+#endif /* HAL_MMC_MODULE_ENABLED */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef USE_FULL_ASSERT
+/**
+ * @brief The assert_param macro is used for function's parameters check.
+ * @param expr If expr is false, it calls assert_failed function
+ * which reports the name of the source file and the source
+ * line number of the call that failed.
+ * If expr is true, it returns no value.
+ * @retval None
+ */
+#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+void assert_failed(uint8_t *file, uint32_t line);
+#else
+#define assert_param(expr) ((void)0U)
+#endif /* USE_FULL_ASSERT */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F4xx_HAL_CONF_CUSTOM_H */
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/buildroot/share/PlatformIO/variants/STEVAL_F401VE/ldscript.ld b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/ldscript.ld
new file mode 100644
index 000000000..f20a047c6
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/ldscript.ld
@@ -0,0 +1,187 @@
+/*
+*****************************************************************************
+**
+** File : ldscript.ld
+**
+** Abstract : Linker script for STM32F401RETx Device with
+** 512KByte FLASH, 96KByte RAM
+**
+** Set heap size, stack size and stack location according
+** to application requirements.
+**
+** Set memory bank area and size if external memory is used.
+**
+** Target : STMicroelectronics STM32
+**
+**
+** Distribution: The file is distributed as is, without any warranty
+** of any kind.
+**
+*****************************************************************************
+** @attention
+**
+** © COPYRIGHT(c) 2014 Ac6
+**
+** Redistribution and use in source and binary forms, with or without modification,
+** are permitted provided that the following conditions are met:
+** 1. Redistributions of source code must retain the above copyright notice,
+** this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright notice,
+** this list of conditions and the following disclaimer in the documentation
+** and/or other materials provided with the distribution.
+** 3. Neither the name of Ac6 nor the names of its contributors
+** may be used to endorse or promote products derived from this software
+** without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+*****************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = 0x20018000; /* end of RAM */
+/* Generate a link error if heap and stack don't fit into RAM */
+_Min_Heap_Size = 0x200; /* required amount of heap */
+_Min_Stack_Size = 0x400; /* required amount of stack */
+
+/* Specify the memory areas */
+MEMORY
+{
+FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K
+RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 96K
+}
+
+/* Define output sections */
+SECTIONS
+{
+ /* The startup code goes first into FLASH */
+ .isr_vector :
+ {
+ . = ALIGN(4);
+ KEEP(*(.isr_vector)) /* Startup code */
+ . = ALIGN(4);
+ } >FLASH
+
+ /* The program code and other data goes into FLASH */
+ .text :
+ {
+ . = ALIGN(4);
+ *(.text) /* .text sections (code) */
+ *(.text*) /* .text* sections (code) */
+ *(.glue_7) /* glue arm to thumb code */
+ *(.glue_7t) /* glue thumb to arm code */
+ *(.eh_frame)
+
+ KEEP (*(.init))
+ KEEP (*(.fini))
+
+ . = ALIGN(4);
+ _etext = .; /* define a global symbols at end of code */
+ } >FLASH
+
+ /* Constant data goes into FLASH */
+ .rodata :
+ {
+ . = ALIGN(4);
+ *(.rodata) /* .rodata sections (constants, strings, etc.) */
+ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
+ .ARM : {
+ __exidx_start = .;
+ *(.ARM.exidx*)
+ __exidx_end = .;
+ } >FLASH
+
+ .preinit_array :
+ {
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array*))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ } >FLASH
+ .init_array :
+ {
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(SORT(.init_array.*)))
+ KEEP (*(.init_array*))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ } >FLASH
+ .fini_array :
+ {
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(SORT(.fini_array.*)))
+ KEEP (*(.fini_array*))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ } >FLASH
+
+ /* used by the startup to initialize data */
+ _sidata = LOADADDR(.data);
+
+ /* Initialized data sections goes into RAM, load LMA copy after code */
+ .data :
+ {
+ . = ALIGN(4);
+ _sdata = .; /* create a global symbol at data start */
+ *(.data) /* .data sections */
+ *(.data*) /* .data* sections */
+
+ . = ALIGN(4);
+ _edata = .; /* define a global symbol at data end */
+ } >RAM AT> FLASH
+
+
+ /* Uninitialized data section */
+ . = ALIGN(4);
+ .bss :
+ {
+ /* This is used by the startup in order to initialize the .bss secion */
+ _sbss = .; /* define a global symbol at bss start */
+ __bss_start__ = _sbss;
+ *(.bss)
+ *(.bss*)
+ *(COMMON)
+
+ . = ALIGN(4);
+ _ebss = .; /* define a global symbol at bss end */
+ __bss_end__ = _ebss;
+ } >RAM
+
+ /* User_heap_stack section, used to check that there is enough RAM left */
+ ._user_heap_stack :
+ {
+ . = ALIGN(4);
+ PROVIDE ( end = . );
+ PROVIDE ( _end = . );
+ . = . + _Min_Heap_Size;
+ . = . + _Min_Stack_Size;
+ . = ALIGN(4);
+ } >RAM
+
+
+
+ /* Remove information from the standard libraries */
+ /DISCARD/ :
+ {
+ libc.a ( * )
+ libm.a ( * )
+ libgcc.a ( * )
+ }
+
+ .ARM.attributes 0 : { *(.ARM.attributes) }
+}
+
+
diff --git a/buildroot/share/PlatformIO/variants/STEVAL_F401VE/variant.h b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/variant.h
new file mode 100644
index 000000000..d93fc07db
--- /dev/null
+++ b/buildroot/share/PlatformIO/variants/STEVAL_F401VE/variant.h
@@ -0,0 +1,315 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2017, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+
+#ifndef _VARIANT_ARDUINO_STM32_
+#define _VARIANT_ARDUINO_STM32_
+/*----------------------------------------------------------------------------
+ * Headers
+ *----------------------------------------------------------------------------*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+/*----------------------------------------------------------------------------
+ * Pins
+ *----------------------------------------------------------------------------*/
+#if defined(ARDUINO_STEVAL)
+
+
+/*----------------------------------------------------------------------------
+ * Pins
+ *----------------------------------------------------------------------------*/
+// USART1_MAIN
+#define PA9 0 //TX
+#define PA10 1 //RX
+
+// WIFI
+#define PD3 2 // CTS
+#define PD4 3 // RTS
+#define PD5 4 // TX
+#define PD6 5 // RX
+#define PB5 6 // WIFI_WAKEUP
+#define PE11 7 // WIFI_RESET
+#define PE12 8 // WIFI_BOOT
+
+// STATUS_LED
+#define PE1 9 // STATUS_LED
+
+// SPI USER
+#define PB12 10 // SPI_CS
+#define PB15 11 // SPI_MOSI
+#define PB14 12 // SPI_MISO
+#define PB13 13 // SPI_SCK
+
+// I2C USER
+#define PB7 14 // SDA
+#define PB6 15 // SCL
+
+// SPI
+#define PA4 16 // SPI_CS
+#define PA5 17 // SPI_SCK
+#define PA6 18 // SPI_MISO
+#define PA7 19 // SPI_MOSI
+
+// JTAG
+#define PA13 20 // JTAG_TMS/SWDIO
+#define PA14 21 // JTAG_TCK/SWCLK
+#define PB3 22 // JTAG_TDO/SWO
+
+// SDCARD
+#define PC8 23 // SDIO_D0
+#define PC9 24 // SDIO_D1
+#define PA15 25 // SD_CARD_DETECT
+#define PC10 26 // SDIO_D2
+#define PC11 27 // SDIO_D3
+#define PC12 28 // SDIO_CK
+#define PD2 29 // SDIO_CMD
+
+// OTG
+#define PA11 30 //OTG_DM
+#define PA12 31 //OTG_DP
+
+// IR/PROBE
+#define PD1 32 //IR_OUT
+#define PC1 33 //IR_ON
+
+// USER_PINS
+#define PD7 34 // USER3
+#define PB9 35 // USER1
+#define PE0 36 // USER2
+#define PB4 37 // USER4
+
+// USERKET
+#define PE7 38 // USER_BUTTON
+
+// ENDSTOPS
+#define PD8 39 // X_STOP
+#define PD9 40 // Y_STOP
+#define PD10 41 // Z_STOP
+#define PD11 42 // U_STOP
+#define PA8 43 // V_STOP
+#define PD0 44 // W_STOP
+
+// HEATERS
+#define PD13 45 // BED_HEAT_2
+#define PD14 46 // BED_HEAT_1
+#define PD15 47 // BED_HEAT_3
+#define PC7 48 // E1_HEAT_PWM
+#define PB0 49 // E2_HEAT_PWM
+#define PB1 50 // E3_HEAT_PWM
+
+// THERMISTOR
+#define PC2 51 // BED_THERMISTOR_1
+#define PC3 52 // BED_THERMISTOR_2
+#define PA3 53 // BED_THERMISTOR_3
+#define PA0 54 // E1_THERMISTOR
+#define PA1 55 // E2_THERMISTOR
+#define PA2 56 // E3_THERMISTOR
+
+// FANS
+#define PC4 57 // E1_FAN
+#define PC5 58 // E2_FAN
+#define PE8 59 // E3_FAN
+
+// X_MOTOR
+#define PE13 60 // X_RESET
+#define PE14 61 // X_PWM
+#define PE15 62 // X_DIR
+
+// Y_MOTOR
+#define PE10 63 // Y_RESET
+#define PB10 64 // Y_PWM
+#define PE9 65 // Y_DIR
+
+// Z_MOTOR
+#define PC15 66 // Z_RESET
+#define PC6 67 // Z_PWM
+#define PC0 68 // Z_DIR
+
+// E1_MOTOR
+#define PC14 69 // E1_RESET
+#define PC13 70 // E1_DIR
+#define PD12 71 // E1_PWM
+
+// E2_MOTOR
+#define PE4 72 // E2_RESET
+#define PE5 73 // E2_PWM
+#define PE6 74 // E2_DIR
+
+// E3_MOTOR
+#define PE3 75 // E3_RESET
+#define PE2 76 // E3_DIR
+#define PB8 77 // E3_PWM
+
+// This must be a literal
+#define NUM_DIGITAL_PINS 78
+// This must be a literal with a value less than or equal to to MAX_ANALOG_INPUTS
+#define NUM_ANALOG_INPUTS 6
+#define NUM_ANALOG_FIRST 51
+
+// On-board LED pin number
+#define LED_BUILTIN PE1
+#define LED_GREEN LED_BUILTIN
+
+// On-board user button
+#define USER_BTN PE7
+
+// UART Definitions
+#define SERIAL_UART_INSTANCE 1 //Connected to ST-Link
+
+// Default pin used for 'Serial' instance (ex: ST-Link)
+// Mandatory for Firmata
+#define PIN_SERIAL_RX PA10
+#define PIN_SERIAL_TX PA9
+
+/* SD detect signal */
+/*
+ * By default, R67 is not provided, so SD card detect is not used.
+ * Note: SD CD (pin 16 of expansion connector J23) can be connected
+ * to GND in order to be able to use SD_DETECT_PIN
+ */
+/*#define SD_DETECT_PIN PA15*/
+
+/* HAL configuration */
+#define HSE_VALUE 25000000U
+
+/* Extra HAL modules */
+#define HAL_SD_MODULE_ENABLED
+
+#endif
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+/*----------------------------------------------------------------------------
+ * Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#ifdef __cplusplus
+// These serial port names are intended to allow libraries and architecture-neutral
+// sketches to automatically default to the correct port name for a particular type
+// of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
+// the first hardware serial port whose RX/TX pins are not dedicated to another use.
+//
+// SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
+//
+// SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
+//
+// SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
+//
+// SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
+//
+// SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
+// pins are NOT connected to anything by default.
+#define SERIAL_PORT_MONITOR Serial
+#define SERIAL_PORT_HARDWARE Serial1
+#endif
+
+#endif // _VARIANT_ARDUINO_STM32_
+
+// PA0 54 // E1_THERMISTOR
+// PA1 55 // E2_THERMISTOR
+// PA2 56 // E3_THERMISTOR
+// PA3 53 // BED_THERMISTOR_3
+// PA4 16 // SPI_CS
+// PA5 17 // SPI_SCK
+// PA6 18 // SPI_MISO
+// PA7 19 // SPI_MOSI
+// PA8 43 // V_STOP
+// PA9 0 //TX
+// PA10 1 //RX
+// PA11 30 //OTG_DM
+// PA12 31 //OTG_DP
+// PA13 20 // JTAG_TMS/SWDIO
+// PA14 21 // JTAG_TCK/SWCLK
+// PA15 25 // SD_CARD_DETECT
+// PB0 49 // E2_HEAT_PWM
+// PB1 50 // E3_HEAT_PWM
+// PB3 22 // JTAG_TDO/SWO
+// PB4 37 // USER4
+// PB5 6 // WIFI_WAKEUP
+// PB6 15 // SCL
+// PB7 14 // SDA
+// PB8 77 // E3_PWM
+// PB9 35 // USER1
+// PB10 64 // Y_PWM
+// PB12 10 // SPI_CS
+// PB13 13 // SPI_SCK
+// PB14 12 // SPI_MISO
+// PB15 11 // SPI_MOSI
+// PC0 68 // Z_DIR
+// PC1 33 //IR_ON
+// PC2 51 // BED_THERMISTOR_1
+// PC3 52 // BED_THERMISTOR_2
+// PC4 57 // E1_FAN
+// PC5 58 // E2_FAN
+// PC6 67 // Z_PWM
+// PC7 48 // E1_HEAT_PWM
+// PC8 23 // SDIO_D0
+// PC9 24 // SDIO_D1
+// PC10 26 // SDIO_D2
+// PC11 27 // SDIO_D3
+// PC12 28 // SDIO_CK
+// PC13 70 // E1_DIR
+// PC14 69 // E1_RESET
+// PC15 66 // Z_RESET
+// PD0 44 // W_STOP
+// PD1 32 //IR_OUT
+// PD2 29 // SDIO_CMD
+// PD3 2 // CTS
+// PD4 3 // RTS
+// PD5 4 // TX
+// PD6 5 // RX
+// PD7 34 // USER3
+// PD8 39 // X_STOP
+// PD9 40 // Y_STOP
+// PD10 41 // Z_STOP
+// PD11 42 // U_STOP
+// PD12 71 // E1_PWM
+// PD13 45 // BED_HEAT_2
+// PD14 46 // BED_HEAT_1
+// PD15 47 // BED_HEAT_3
+// PE0 36 // USER2
+// PE1 9 // STATUS_LED
+// PE2 76 // E3_DIR
+// PE3 75 // E3_RESET
+// PE4 72 // E2_RESET
+// PE5 73 // E2_PWM
+// PE6 74 // E2_DIR
+// PE7 38 // USER_BUTTON
+// PE8 59 // E3_FAN
+// PE9 65 // Y_DIR
+// PE10 63 // Y_RESET
+// PE11 7 // WIFI_RESET
+// PE12 8 // WIFI_BOOT
+// PE13 60 // X_RESET
+// PE14 61 // X_PWM
+// PE15 62 // X_DIR
diff --git a/platformio.ini b/platformio.ini
index e89a476b0..3dc178241 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -581,6 +581,25 @@ src_filter = ${common.default_src_filter} +
lib_ignore = Adafruit NeoPixel
monitor_speed = 250000
+#
+# STM32F401VE
+# 'STEVAL-3DP001)' STM32F401VE board - https://www.st.com/en/evaluation-tools/steval-3dp001v1.html
+#
+[env:STM32F401VE_STEVAL]
+platform = ststm32
+board = STEVAL_STM32F401VE
+platform_packages = framework-arduinoststm32@>=3.10700.191028
+build_flags = ${common.build_flags}
+ -DTARGET_STM32F4 -DARDUINO_STEVAL -DSTM32F401xE
+ -DUSBCON -DUSBD_USE_CDC -DUSBD_VID=0x0483 -DUSB_PRODUCT=\"STEVAL_F401VE\"
+ -DDISABLE_GENERIC_SERIALUSB
+ -IMarlin/src/HAL/HAL_STM32
+build_unflags = -std=gnu++11
+extra_scripts = pre:buildroot/share/PlatformIO/scripts/generic_create_variant.py
+ buildroot/share/PlatformIO/scripts/STEVAL__F401XX.py
+lib_ignore = Adafruit NeoPixel, TMCStepper, SailfishLCD, SailfishRGB_LED, SlowSoftI2CMaster, SoftwareSerial
+src_filter = ${common.default_src_filter} +
+monitor_speed = 250000
#
# FLYF407ZG