diff --git a/README.md b/README.md
index cb8e1d10f5..b7d327c08c 100644
--- a/README.md
+++ b/README.md
@@ -206,6 +206,8 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
| :green_heart: | STM32F303CC | [RobotDyn Black Pill](https://stm32-base.org/boards/STM32F303CCT6-RobotDyn-Black-Pill) | *1.6.1* | [More info](https://robotdyn.com/catalog/development-boards/stm-boards-and-shields.html) |
| :yellow_heart: | STM32F303K6
STM32F303K8 | Generic Board | **2.0.0** | |
| :yellow_heart: | STM32F303RD
STM32F303RE | Generic Board | **2.0.0** | |
+| :yellow_heart: | STM32F303RB
STM32F303RC | Generic Board | **2.0.0** | |
+| :yellow_heart: | STM32F303RC | [OLIMEXINO-STM32F3](https://www.olimex.com/Products/Duino/STM32/OLIMEXINO-STM32F3/) | **2.0.0** | |
| :yellow_heart: | STM32F303VBT
STM32F303VCT | Generic Board | **2.0.0** | |
| :yellow_heart: | STM32F334K4
STM32F334K6
STM32F334K8 | Generic Board | **2.0.0** | |
diff --git a/boards.txt b/boards.txt
index 8dfd526818..c878cf4896 100644
--- a/boards.txt
+++ b/boards.txt
@@ -1565,6 +1565,15 @@ GenF3.menu.pnum.BLACKPILL_F303CC.build.product_line=STM32F303xC
GenF3.menu.pnum.BLACKPILL_F303CC.build.variant_h=variant_{build.board}.h
GenF3.menu.pnum.BLACKPILL_F303CC.build.variant=STM32F3xx/F303C(B-C)T
+# OLIMEXINO_STM32F3
+GenF3.menu.pnum.OLIMEXINO_STM32F3=OLIMEXINO-STM32F3
+GenF3.menu.pnum.OLIMEXINO_STM32F3.upload.maximum_size=262144
+GenF3.menu.pnum.OLIMEXINO_STM32F3.upload.maximum_data_size=40960
+GenF3.menu.pnum.OLIMEXINO_STM32F3.build.board=OLIMEXINO_STM32F3
+GenF3.menu.pnum.OLIMEXINO_STM32F3.build.product_line=STM32F303xC
+GenF3.menu.pnum.OLIMEXINO_STM32F3.build.variant_h=variant_{build.board}.h
+GenF3.menu.pnum.OLIMEXINO_STM32F3.build.variant=STM32F3xx/F303R(B-C)T
+
# Generic F302R6Tx
GenF3.menu.pnum.GENERIC_F302R6TX=Generic F302R6Tx
GenF3.menu.pnum.GENERIC_F302R6TX.upload.maximum_size=32768
@@ -1613,6 +1622,22 @@ GenF3.menu.pnum.GENERIC_F303K8TX.build.board=GENERIC_F303K8TX
GenF3.menu.pnum.GENERIC_F303K8TX.build.product_line=STM32F303x8
GenF3.menu.pnum.GENERIC_F303K8TX.build.variant=STM32F3xx/F303K(6-8)T_F334K(4-6-8)T
+# Generic F303RBTx
+GenF3.menu.pnum.GENERIC_F303RBTX=Generic F303RBTx
+GenF3.menu.pnum.GENERIC_F303RBTX.upload.maximum_size=131072
+GenF3.menu.pnum.GENERIC_F303RBTX.upload.maximum_data_size=32768
+GenF3.menu.pnum.GENERIC_F303RBTX.build.board=GENERIC_F303RBTX
+GenF3.menu.pnum.GENERIC_F303RBTX.build.product_line=STM32F303xC
+GenF3.menu.pnum.GENERIC_F303RBTX.build.variant=STM32F3xx/F303R(B-C)T
+
+# Generic F303RCTx
+GenF3.menu.pnum.GENERIC_F303RCTX=Generic F303RCTx
+GenF3.menu.pnum.GENERIC_F303RCTX.upload.maximum_size=262144
+GenF3.menu.pnum.GENERIC_F303RCTX.upload.maximum_data_size=40960
+GenF3.menu.pnum.GENERIC_F303RCTX.build.board=GENERIC_F303RCTX
+GenF3.menu.pnum.GENERIC_F303RCTX.build.product_line=STM32F303xC
+GenF3.menu.pnum.GENERIC_F303RCTX.build.variant=STM32F3xx/F303R(B-C)T
+
# Generic F303RDTx
GenF3.menu.pnum.GENERIC_F303RDTX=Generic F303RDTx
GenF3.menu.pnum.GENERIC_F303RDTX.upload.maximum_size=393216
diff --git a/variants/STM32F3xx/F303R(B-C)T/generic_clock.c b/variants/STM32F3xx/F303R(B-C)T/generic_clock.c
index dc9ffd5f42..076364d1bb 100644
--- a/variants/STM32F3xx/F303R(B-C)T/generic_clock.c
+++ b/variants/STM32F3xx/F303R(B-C)T/generic_clock.c
@@ -19,9 +19,72 @@
* @retval None
*/
WEAK void SystemClock_Config(void)
+#if defined(USBCON)
{
- /* SystemClock_Config can be generated by STM32CubeMX */
-#warning "SystemClock_Config() is empty. Default clock at reset is used."
+ RCC_OscInitTypeDef RCC_OscInitStruct = {};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+ RCC_PeriphCLKInitTypeDef PeriphClkInit = {};
+
+ /** Initializes the RCC Oscillators according to the specified parameters
+ * in the RCC_OscInitTypeDef structure.
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+ RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+ Error_Handler();
+ }
+ /** Initializes the CPU, AHB and APB buses clocks
+ */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
+ | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
+ Error_Handler();
+ }
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
+ PeriphClkInit.USBClockSelection = RCC_USBCLKSOURCE_PLL;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {
+ Error_Handler();
+ }
+}
+#else
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+
+ /** Initializes the RCC Oscillators according to the specified parameters
+ * in the RCC_OscInitTypeDef structure.
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+ RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+ Error_Handler();
+ }
+ /** Initializes the CPU, AHB and APB buses clocks
+ */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
+ | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+ Error_Handler();
+ }
}
+#endif /* USBCON */
#endif /* ARDUINO_GENERIC_* */
diff --git a/variants/STM32F3xx/F303R(B-C)T/ldscript.ld b/variants/STM32F3xx/F303R(B-C)T/ldscript.ld
new file mode 100644
index 0000000000..335c828f91
--- /dev/null
+++ b/variants/STM32F3xx/F303R(B-C)T/ldscript.ld
@@ -0,0 +1,179 @@
+/**
+ ******************************************************************************
+ * @file LinkerScript.ld
+ * @author Auto-generated by STM32CubeIDE
+ * @brief Linker script for STM32F303RCTx Device from STM32F3 series
+ * 256Kbytes FLASH
+ * 8Kbytes CCMRAM
+ * 40Kbytes RAM
+ *
+ * Set heap size, stack size and stack location according
+ * to application requirements.
+ *
+ * Set memory bank area and size if external memory is used
+ ******************************************************************************
+ * @attention
+ *
+ * © Copyright (c) 2020 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
+ *
+ ******************************************************************************
+ */
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory */
+
+_Min_Heap_Size = 0x200; /* required amount of heap */
+_Min_Stack_Size = 0x400; /* required amount of stack */
+
+/* Memories definition */
+MEMORY
+{
+ CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 8K
+ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = LD_MAX_DATA_SIZE
+ FLASH (rx) : ORIGIN = 0x8000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
+}
+
+/* Sections */
+SECTIONS
+{
+ /* The startup code into "FLASH" Rom type memory */
+ .isr_vector :
+ {
+ . = ALIGN(4);
+ KEEP(*(.isr_vector)) /* Startup code */
+ . = ALIGN(4);
+ } >FLASH
+
+ /* The program code and other data into "FLASH" Rom type memory */
+ .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 into "FLASH" Rom type memory */
+ .rodata :
+ {
+ . = ALIGN(4);
+ *(.rodata) /* .rodata sections (constants, strings, etc.) */
+ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM.extab : {
+ . = ALIGN(4);
+ *(.ARM.extab* .gnu.linkonce.armextab.*)
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM : {
+ . = ALIGN(4);
+ __exidx_start = .;
+ *(.ARM.exidx*)
+ __exidx_end = .;
+ . = ALIGN(4);
+ } >FLASH
+
+ .preinit_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array*))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ .init_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(SORT(.init_array.*)))
+ KEEP (*(.init_array*))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ .fini_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(SORT(.fini_array.*)))
+ KEEP (*(.fini_array*))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ /* Used by the startup to initialize data */
+ _sidata = LOADADDR(.data);
+
+ /* Initialized data sections into "RAM" Ram type memory */
+ .data :
+ {
+ . = ALIGN(4);
+ _sdata = .; /* create a global symbol at data start */
+ *(.data) /* .data sections */
+ *(.data*) /* .data* sections */
+ *(.RamFunc) /* .RamFunc sections */
+ *(.RamFunc*) /* .RamFunc* sections */
+
+ . = ALIGN(4);
+ _edata = .; /* define a global symbol at data end */
+
+ } >RAM AT> FLASH
+
+ /* Uninitialized data section into "RAM" Ram type memory */
+ . = ALIGN(4);
+ .bss :
+ {
+ /* This is used by the startup in order to initialize the .bss section */
+ _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" Ram type memory left */
+ ._user_heap_stack :
+ {
+ . = ALIGN(8);
+ PROVIDE ( end = . );
+ PROVIDE ( _end = . );
+ . = . + _Min_Heap_Size;
+ . = . + _Min_Stack_Size;
+ . = ALIGN(8);
+ } >RAM
+
+ /* Remove information from the compiler libraries */
+ /DISCARD/ :
+ {
+ libc.a ( * )
+ libm.a ( * )
+ libgcc.a ( * )
+ }
+
+ .ARM.attributes 0 : { *(.ARM.attributes) }
+}
diff --git a/variants/STM32F3xx/F303R(B-C)T/variant_OLIMEXINO_STM32F3.cpp b/variants/STM32F3xx/F303R(B-C)T/variant_OLIMEXINO_STM32F3.cpp
new file mode 100644
index 0000000000..06b71a4010
--- /dev/null
+++ b/variants/STM32F3xx/F303R(B-C)T/variant_OLIMEXINO_STM32F3.cpp
@@ -0,0 +1,136 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2018-2021, 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
+ *
+ *******************************************************************************
+ */
+#if defined(ARDUINO_OLIMEXINO_STM32F3)
+
+#include "pins_arduino.h"
+
+// Pin number
+const PinName digitalPin[] = {
+ PA_3, //D0 - A6 - RX2
+ PA_2, //D1 - A7 - TX2
+ PA_0, //D2 - A8
+ PA_1, //D3 - A9 - LED2 (yellow)
+ PB_5, //D4
+ PB_6, //D5 - TX1
+ PA_8, //D6
+ PA_9, //D7 - I2C2 SCL
+
+ PA_10, //D8 - I2C2 SDA
+ PB_7, //D9 - RX1
+ PA_4, //D10 - A10 - SS1
+ PA_7, //D11 - A11 - MOSI1
+ PA_6, //D12 - A12 - MISO1
+ PA_5, //D13 - A13 - SCK1, LED1 (green)
+ PB_8, //D14 - CAN_RX
+
+ PC_0, //D15 - A0
+ PC_1, //D16 - A1
+ PC_2, //D17 - A2
+ PC_3, //D18 - A3
+ PC_4, //D19 - A4
+ PC_5, //D20 - A5
+
+ PC_13, //D21
+ PC_9, //D22 - Button (not an actual D pin)
+
+ PC_15, //D23
+ PB_9, //D24 - CAN_TX
+ PD_2, //D25 - MMC_CS
+ PC_10, //D26
+ PB_0, //D27 - A14
+ PB_1, //D28 - A15
+ PB_10, //D29 - TX3
+ PB_11, //D30 - RX3
+ PB_12, //D31 - A16 - #SS2
+ PB_13, //D32 - A17 - SCK2
+ PB_14, //D33 - A18 - MISO2
+ PB_15, //D34 - A19 - MOSI2
+ PC_6, //D35
+ PC_7, //D36
+ PC_8, //D37
+
+ PF_4, //D38 - A20 - UEXT_PWR (not actual D pin)
+ PC_12 //D39 - USB DISC
+};
+
+// Analog (Ax) pin number array
+const uint32_t analogInputPin[] = {
+ 15, // A0
+ 16, // A1
+ 17, // A2
+ 18, // A3
+ 19, // A4
+ 20, // A5
+ 0, // A6
+ 1, // A7
+ 2, // A8
+ 3, // A9
+ 10, // A10
+ 11, // A11
+ 12, // A12
+ 13, // A13
+ 27, // A14
+ 28, // A15
+ 31, // A16
+ 32, // A17
+ 33, // A18
+ 34, // A19
+ 38 // A20
+};
+
+// ----------------------------------------------------------------------------
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+WEAK void SystemClock_Config(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+ RCC_PeriphCLKInitTypeDef PeriphClkInit = {};
+
+ /* Initializes the CPU, AHB and APB busses clocks */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+ Error_Handler();
+ }
+ /* Initializes the CPU, AHB and APB busses clocks */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
+ | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+ Error_Handler();
+ }
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
+ PeriphClkInit.USBClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {
+ Error_Handler();
+ }
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ARDUINO_OLIMEXINO_STM32F3 */
diff --git a/variants/STM32F3xx/F303R(B-C)T/variant_OLIMEXINO_STM32F3.h b/variants/STM32F3xx/F303R(B-C)T/variant_OLIMEXINO_STM32F3.h
new file mode 100644
index 0000000000..d143216d47
--- /dev/null
+++ b/variants/STM32F3xx/F303R(B-C)T/variant_OLIMEXINO_STM32F3.h
@@ -0,0 +1,262 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2020-2021, 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
+ *
+ *******************************************************************************
+ */
+#pragma once
+
+/*----------------------------------------------------------------------------
+ * STM32 pins number
+ *----------------------------------------------------------------------------*/
+// Digital connector 1
+#define PA3 PIN_A6
+#define PA2 PIN_A7
+#define PA0 PIN_A8
+#define PA1 PIN_A9
+#define PB5 4
+#define PB6 5
+#define PA8 6
+#define PA9 7
+
+// Digital connector 2
+#define PA10 8
+#define PB7 9
+#define PA4 PIN_A10
+#define PA7 PIN_A11
+#define PA6 PIN_A12
+#define PA5 PIN_A13
+#define PB8 14
+
+// Analog connector
+#define PC0 PIN_A0
+#define PC1 PIN_A1
+#define PC2 PIN_A2
+#define PC3 PIN_A3
+#define PC4 PIN_A4
+#define PC5 PIN_A5
+#define PC13 21
+
+// Button
+#define PC9 22
+
+// GPIO extention
+#define PC15 23
+#define PB9 24
+#define PD2 25
+#define PC10 26
+#define PB0 PIN_A14
+#define PB1 PIN_A15
+#define PB10 29
+#define PB11 30
+#define PB12 PIN_A16
+#define PB13 PIN_A17
+#define PB14 PIN_A18
+#define PB15 PIN_A19
+#define PC6 35
+#define PC7 36
+#define PC8 37
+
+// UEXT_PWR
+#define PF4 PIN_A20
+// USB DISC
+#define PC12 39
+
+// Alternate pins number
+#define PA1_ALT1 (PA1 | ALT1)
+#define PA2_ALT1 (PA2 | ALT1)
+#define PA3_ALT1 (PA3 | ALT1)
+#define PA4_ALT1 (PA4 | ALT1)
+#define PA6_ALT1 (PA6 | ALT1)
+#define PA7_ALT1 (PA7 | ALT1)
+#define PA7_ALT2 (PA7 | ALT2)
+#define PA7_ALT3 (PA7 | ALT3)
+#define PA9_ALT1 (PA9 | ALT1)
+#define PA10_ALT1 (PA10 | ALT1)
+#define PA11_ALT1 (PA11 | ALT1)
+#define PA11_ALT2 (PA11 | ALT2)
+#define PA12_ALT1 (PA12 | ALT1)
+#define PA12_ALT2 (PA12 | ALT2)
+#define PA13_ALT1 (PA13 | ALT1)
+#define PA15_ALT1 (PA15 | ALT1)
+#define PB0_ALT1 (PB0 | ALT1)
+#define PB0_ALT2 (PB0 | ALT2)
+#define PB1_ALT1 (PB1 | ALT1)
+#define PB1_ALT2 (PB1 | ALT2)
+#define PB3_ALT1 (PB3 | ALT1)
+#define PB4_ALT1 (PB4 | ALT1)
+#define PB4_ALT2 (PB4 | ALT2)
+#define PB5_ALT1 (PB5 | ALT1)
+#define PB5_ALT2 (PB5 | ALT2)
+#define PB6_ALT1 (PB6 | ALT1)
+#define PB6_ALT2 (PB6 | ALT2)
+#define PB7_ALT1 (PB7 | ALT1)
+#define PB7_ALT2 (PB7 | ALT2)
+#define PB8_ALT1 (PB8 | ALT1)
+#define PB8_ALT2 (PB8 | ALT2)
+#define PB9_ALT1 (PB9 | ALT1)
+#define PB9_ALT2 (PB9 | ALT2)
+#define PB14_ALT1 (PB14 | ALT1)
+#define PB15_ALT1 (PB15 | ALT1)
+#define PB15_ALT2 (PB15 | ALT2)
+#define PC0_ALT1 (PC0 | ALT1)
+#define PC1_ALT1 (PC1 | ALT1)
+#define PC2_ALT1 (PC2 | ALT1)
+#define PC3_ALT1 (PC3 | ALT1)
+#define PC6_ALT1 (PC6 | ALT1)
+#define PC7_ALT1 (PC7 | ALT1)
+#define PC8_ALT1 (PC8 | ALT1)
+#define PC9_ALT1 (PC9 | ALT1)
+#define PC10_ALT1 (PC10 | ALT1)
+#define PC11_ALT1 (PC11 | ALT1)
+
+// Alias GPIO1 extention
+#define EXT_GPIO1 PC15
+#define EXT_GPIO2 PB9
+#define EXT_GPIO3 PD2
+#define EXT_GPIO4 PC10
+#define EXT_GPIO5 PB0
+#define EXT_GPIO6 PB1
+#define EXT_GPIO7 PB10
+#define EXT_GPIO8 PB11
+#define EXT_GPIO9 PB12
+#define EXT_GPIO10 PB13
+#define EXT_GPIO11 PB14
+#define EXT_GPIO12 PB15
+#define EXT_GPIO13 PC6
+#define EXT_GPIO14 PC7
+#define EXT_GPIO15 PC8
+
+// Alias UEXT
+#define UEXTPWR PF4
+#define UEXT3 PB10
+#define UEXT4 PB11
+#define UEXT5 PA9
+#define UEXT6 PA10
+#define UEXT7 PA6
+#define UEXT8 PA7
+#define UEXT9 PA5
+#define UEXT10 PB5
+
+#define NUM_DIGITAL_PINS 40
+#define NUM_ANALOG_INPUTS 21
+
+// On-board LED pin number
+#define LED1 PA5
+#define LED_GREEN LED1
+#define LED2 PA1
+#define LED_YELLOW LED2
+
+#ifndef LED_BUILTIN
+ #define LED_BUILTIN LED_GREEN
+#endif
+
+// On-board button pin button
+#ifndef USER_BTN
+ #define USER_BTN PC9
+#endif
+
+// SPI Definitions
+// SPI1 on default Arduino UNO R3 connector (10-13)
+
+// SPI2
+#define PIN_SPI2_SS PB12 // D31
+#define PIN_SPI2_SCK PB13 // D32
+#define PIN_SPI2_MISO PB14 // D33
+#define PIN_SPI2_MOSI PB15 // D34
+
+// SD card SPI2 definitions
+// These definitions are used by SD library but could not be used
+// as SPI_2 is not instantiated
+// Could be reviewed when SPI_INTERFACES_COUNT will be supported
+// See https://github.com/stm32duino/Arduino_Core_STM32/issues/705
+// #define SDCARD_SPI SPI_2
+// #define SDCARD_SS_PIN PD2 // D254
+// #define SDCARD_SCK_PIN PIN_SPI2_SCK // D32
+// #define SDCARD_MISO_PIN PIN_SPI2_MISO // D33
+// #define SDCARD_MOSI_PIN PIN_SPI2_MOSI // D34
+
+// I2C Definitions
+#ifndef PIN_WIRE_SDA
+ #define PIN_WIRE_SDA PA10
+#endif
+#ifndef PIN_WIRE_SCL
+ #define PIN_WIRE_SCL PA9
+#endif
+
+// Timer Definitions
+// Use TIM6 when possible as servo and tone don't need GPIO output pin
+#ifndef TIMER_TONE
+ #define TIMER_TONE TIM6
+#endif
+#ifndef TIMER_SERVO
+ #define TIMER_SERVO TIM2
+#endif
+
+// UART Definitions
+#ifndef SERIAL_UART_INSTANCE
+ #define SERIAL_UART_INSTANCE 2
+#endif
+
+// Default pin used for generic 'Serial' instance
+// Mandatory for Firmata
+#ifndef PIN_SERIAL_RX
+ #define PIN_SERIAL_RX PA3
+#endif
+#ifndef PIN_SERIAL_TX
+ #define PIN_SERIAL_TX PA2
+#endif
+
+#define HAVE_HWSERIAL1
+#define PIN_SERIAL1_TX PB6 // D5
+#define PIN_SERIAL1_RX PB7 // D9
+
+#define HAVE_HWSERIAL3
+#define PIN_SERIAL3_TX PB10 // TX GPIO29
+#define PIN_SERIAL3_RX PB11 // RX GPIO30
+
+// USB, pull this pin low to enable the USB attach pullup
+#define USBD_ATTACH_PIN PC12
+#define USBD_ATTACH_LEVEL LOW
+
+/* Extra HAL modules */
+#if !defined(HAL_DAC_MODULE_DISABLED)
+ #define HAL_DAC_MODULE_ENABLED
+#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.
+ #ifndef SERIAL_PORT_MONITOR
+ #define SERIAL_PORT_MONITOR Serial
+ #endif
+ #ifndef SERIAL_PORT_HARDWARE
+ #define SERIAL_PORT_HARDWARE Serial1
+ #endif
+ #ifndef SERIAL_PORT_USBVIRTUAL
+ #define SERIAL_PORT_USBVIRTUAL SerialUSB
+ #endif
+#endif