Improve STEVAL_3DP001V1 and future STEVAL_* support (#16404)

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)

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
  */

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

Marlin/src/pins/stm32/pins_STEVAL.h

@@ -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 <http://www.gnu.org/licenses/>.
- *
- */
-#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

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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+//  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
+ */

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"
+}

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
+
+

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

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

buildroot/share/PlatformIO/variants/STEVAL_F401VE/hal_conf_custom.h

@@ -0,0 +1,496 @@
+/**
+  ******************************************************************************
+  * @file    stm32f4xx_hal_conf.h
+  * @brief   HAL configuration file.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * 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****/

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
+**
+** <h2><center>&copy; COPYRIGHT(c) 2014 Ac6</center></h2>
+**
+** 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) }
+}
+
+

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

platformio.ini

@@ -581,6 +581,25 @@ src_filter    = ${common.default_src_filter} +<src/HAL/HAL_STM32F1>
 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} +<src/HAL/HAL_STM32>
+monitor_speed     = 250000
 
 #
 # FLYF407ZG