diff --git a/boards.txt b/boards.txt
index 4daf7fc1e7..c0d3684cad 100644
--- a/boards.txt
+++ b/boards.txt
@@ -467,6 +467,35 @@ Disco.menu.upload_method.STLink.upload.tool=stlink_upload
# Other boards
###############################
+# Generic F030
+GenF030.name=Generic STM32F030 series
+
+GenF030.build.core=arduino
+GenF030.build.board=GenF030
+GenF030.build.extra_flags=-D{build.product_line} {build.xSerial}
+
+# DEMO_F030F4 board
+# Support: Serial1 (USART1 on PA3, PA2)
+GenF030.menu.pnum.DEMO_F030F4=STM32F030F4 Demo board
+GenF030.menu.pnum.DEMO_F030F4.upload.maximum_data_size=4096
+GenF030.menu.pnum.DEMO_F030F4.upload.maximum_size=16384
+GenF030.menu.pnum.DEMO_F030F4.build.mcu=cortex-m0
+GenF030.menu.pnum.DEMO_F030F4.build.board=DEMO_F030F4
+GenF030.menu.pnum.DEMO_F030F4.build.series=STM32F0xx
+GenF030.menu.pnum.DEMO_F030F4.build.product_line=STM32F030x6
+GenF030.menu.pnum.DEMO_F030F4.build.variant=DEMO_F030F4
+GenF030.menu.pnum.DEMO_F030F4.build.cmsis_lib_gcc=arm_cortexM0l_math
+
+# Upload menu
+GenF030.menu.upload_method.STLinkMethod=STLink
+GenF030.menu.upload_method.STLinkMethod.upload.protocol=STLink
+GenF030.menu.upload_method.STLinkMethod.upload.tool=stlink_upload
+
+GenF030.menu.upload_method.serialMethod=Serial
+GenF030.menu.upload_method.serialMethod.upload.protocol=maple_serial
+GenF030.menu.upload_method.serialMethod.upload.tool=serial_upload
+
+################################################################################
# Generic F103
GenF103.name=Generic STM32F103 series
@@ -833,6 +862,24 @@ Disco.menu.opt.o3lto.build.flags.optimize=-O3 -flto
Disco.menu.opt.ogstd=Debug (-g)
Disco.menu.opt.ogstd.build.flags.optimize=-g -Og
+GenF030.menu.opt.osstd=Smallest (-Os default)
+GenF030.menu.opt.oslto=Smallest (-Os) with LTO
+GenF030.menu.opt.oslto.build.flags.optimize=-Os -flto
+GenF030.menu.opt.o1std=Fast (-O1)
+GenF030.menu.opt.o1std.build.flags.optimize=-O1
+GenF030.menu.opt.o1lto=Fast (-O1) with LTO
+GenF030.menu.opt.o1lto.build.flags.optimize=-O1 -flto
+GenF030.menu.opt.o2std=Faster (-O2)
+GenF030.menu.opt.o2std.build.flags.optimize=-O2
+GenF030.menu.opt.o2lto=Faster (-O2) with LTO
+GenF030.menu.opt.o2lto.build.flags.optimize=-O2 -flto
+GenF030.menu.opt.o3std=Fastest (-O3)
+GenF030.menu.opt.o3std.build.flags.optimize=-O3
+GenF030.menu.opt.o3lto=Fastest (-O3) with LTO
+GenF030.menu.opt.o3lto.build.flags.optimize=-O3 -flto
+GenF030.menu.opt.ogstd=Debug (-g)
+GenF030.menu.opt.ogstd.build.flags.optimize=-g -Og
+
GenF103.menu.opt.osstd=Smallest (-Os default)
GenF103.menu.opt.oslto=Smallest (-Os) with LTO
GenF103.menu.opt.oslto.build.flags.optimize=-Os -flto
diff --git a/variants/DEMO_F030F4/PeripheralPins.c b/variants/DEMO_F030F4/PeripheralPins.c
new file mode 100644
index 0000000000..79c8353583
--- /dev/null
+++ b/variants/DEMO_F030F4/PeripheralPins.c
@@ -0,0 +1,144 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2016, 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.
+ *******************************************************************************
+ */
+#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
+const PinMap PinMap_ADC[] = {
+ {PA_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 0, 0)}, // ADC_IN0
+ {PA_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 1, 0)}, // ADC_IN1
+ {PA_2, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 2, 0)}, // ADC_IN2
+ {PA_3, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 3, 0)}, // ADC_IN3
+ {PA_4, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 4, 0)}, // ADC_IN4
+ {PA_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 5, 0)}, // ADC_IN5 - LED
+ {PA_6, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 6, 0)}, // ADC_IN6
+ {PA_7, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 7, 0)}, // ADC_IN7
+ {PB_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 9, 0)}, // ADC_IN9
+ {NC, NP, 0}
+};
+#endif
+
+//*** DAC ***
+// No DAC
+
+//*** I2C ***
+
+#ifdef HAL_I2C_MODULE_ENABLED
+const PinMap PinMap_I2C_SDA[] = {
+ {PA_10, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+ {NC, NP, 0}
+};
+
+const PinMap PinMap_I2C_SCL[] = {
+ {PA_9, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+ {NC, NP, 0}
+};
+#endif
+
+//*** PWM ***
+
+#ifdef HAL_TIM_MODULE_ENABLED
+const PinMap PinMap_PWM[] = {
+ {PA_4, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14, 1, 0)}, // TIM14_CH1
+// {PA_6, TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM16, 1, 0)}, // TIM16_CH1
+ {PA_6, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 1, 0)}, // TIM3_CH1
+// {PA_7, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14, 1, 0)}, // TIM14_CH1
+// {PA_7, TIM17, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM17, 1, 0)}, // TIM17_CH1
+// {PA_7, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 1, 1)}, // TIM1_CH1N
+ {PA_7, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 2, 0)}, // TIM3_CH2
+ {PA_9, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 0)}, // TIM1_CH2
+ {PA_10, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 0)}, // TIM1_CH3
+// {PB_1, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM14, 1, 0)}, // TIM14_CH1
+// {PB_1, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 1)}, // TIM1_CH3N
+ {PB_1, TIM3, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 4, 0)}, // TIM3_CH4
+ {NC, NP, 0}
+};
+#endif
+
+//*** SERIAL ***
+
+#ifdef HAL_UART_MODULE_ENABLED
+const PinMap PinMap_UART_TX[] = {
+ {PA_2, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PA_9, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {NC, NP, 0}
+};
+
+const PinMap PinMap_UART_RX[] = {
+ {PA_3, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {PA_10, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {NC, NP, 0}
+};
+
+const PinMap PinMap_UART_RTS[] = {
+ {PA_1, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {NC, NP, 0}
+};
+
+const PinMap PinMap_UART_CTS[] = {
+ {PA_0, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+ {NC, NP, 0}
+};
+#endif
+
+//*** SPI ***
+
+#ifdef HAL_SPI_MODULE_ENABLED
+const PinMap PinMap_SPI_MOSI[] = {
+ {PA_7, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {NC, NP, 0}
+};
+
+const PinMap PinMap_SPI_MISO[] = {
+ {PA_6, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {NC, NP, 0}
+};
+
+const PinMap PinMap_SPI_SCLK[] = {
+ {PA_5, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, // LED
+ {NC, NP, 0}
+};
+
+const PinMap PinMap_SPI_SSEL[] = {
+ {PA_4, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+ {NC, NP, 0}
+};
+#endif
+
+
+//*** CAN ***
+// No CAN
\ No newline at end of file
diff --git a/variants/DEMO_F030F4/PinNamesVar.h b/variants/DEMO_F030F4/PinNamesVar.h
new file mode 100644
index 0000000000..b65ff1991e
--- /dev/null
+++ b/variants/DEMO_F030F4/PinNamesVar.h
@@ -0,0 +1,25 @@
+ /* 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
diff --git a/variants/DEMO_F030F4/ldscript.ld b/variants/DEMO_F030F4/ldscript.ld
new file mode 100644
index 0000000000..2b0b338d3c
--- /dev/null
+++ b/variants/DEMO_F030F4/ldscript.ld
@@ -0,0 +1,188 @@
+/*
+*****************************************************************************
+**
+
+** File : LinkerScript.ld
+**
+** Abstract : Linker script for STM32F030F4Px Device with
+** 16KByte FLASH, 4KByte RAM
+**
+** Set heap size, stack size and stack location according
+** to application requirements.
+**
+** Set memory bank area and size if external memory is used.
+**
+** Target : STMicroelectronics STM32
+**
+**
+** Distribution: The file is distributed as is, without any warranty
+** of any kind.
+**
+*****************************************************************************
+** @attention
+**
+** © COPYRIGHT(c) 2014 Ac6
+**
+** Redistribution and use in source and binary forms, with or without modification,
+** are permitted provided that the following conditions are met:
+** 1. Redistributions of source code must retain the above copyright notice,
+** this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright notice,
+** this list of conditions and the following disclaimer in the documentation
+** and/or other materials provided with the distribution.
+** 3. Neither the name of Ac6 nor the names of its contributors
+** may be used to endorse or promote products derived from this software
+** without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+*****************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = 0x20001000; /* 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
+{
+RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 4K
+FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 16K
+}
+
+/* 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(8);
+ PROVIDE ( end = . );
+ PROVIDE ( _end = . );
+ . = . + _Min_Heap_Size;
+ . = . + _Min_Stack_Size;
+ . = ALIGN(8);
+ } >RAM
+
+
+
+ /* Remove information from the standard libraries */
+ /DISCARD/ :
+ {
+ libc.a ( * )
+ libm.a ( * )
+ libgcc.a ( * )
+ }
+
+ .ARM.attributes 0 : { *(.ARM.attributes) }
+}
+
+
diff --git a/variants/DEMO_F030F4/stm32f0xx_hal_conf.h b/variants/DEMO_F030F4/stm32f0xx_hal_conf.h
new file mode 100644
index 0000000000..7ede9f09be
--- /dev/null
+++ b/variants/DEMO_F030F4/stm32f0xx_hal_conf.h
@@ -0,0 +1,322 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_hal_conf.h
+ * @author MCD Application Team
+ * @version V1.5.0
+ * @date 04-November-2016
+ * @brief HAL configuration file.
+ ******************************************************************************
+ * @attention
+ *
+ * © COPYRIGHT(c) 2016 STMicroelectronics
+ *
+ * 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0xx_HAL_CONF_H
+#define __STM32F0xx_HAL_CONF_H
+
+#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_CEC_MODULE_ENABLED
+//#define HAL_COMP_MODULE_ENABLED
+#define HAL_CORTEX_MODULE_ENABLED
+#define HAL_CRC_MODULE_ENABLED
+//#define HAL_DAC_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_I2C_MODULE_ENABLED
+//#define HAL_I2S_MODULE_ENABLED
+//#define HAL_IRDA_MODULE_ENABLED
+//#define HAL_IWDG_MODULE_ENABLED
+//#define HAL_PCD_MODULE_ENABLED
+//#define HAL_PWR_MODULE_ENABLED
+#define HAL_RCC_MODULE_ENABLED
+//#define HAL_RTC_MODULE_ENABLED
+//#define HAL_SMARTCARD_MODULE_ENABLED
+//#define HAL_SMBUS_MODULE_ENABLED
+#define HAL_SPI_MODULE_ENABLED
+#define HAL_TIM_MODULE_ENABLED
+//#define HAL_TSC_MODULE_ENABLED
+#define HAL_UART_MODULE_ENABLED
+#define HAL_USART_MODULE_ENABLED
+//#define HAL_WWDG_MODULE_ENABLED
+
+/* ######################### Oscillator 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).
+ */
+#if !defined (HSE_VALUE)
+ #define HSE_VALUE (8000000U) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+/**
+ * @brief In the following line adjust the External High Speed oscillator (HSE) Startup
+ * Timeout value
+ */
+#if !defined (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).
+ */
+#if !defined (HSI_VALUE)
+ #define HSI_VALUE (8000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+ * @brief In the following line adjust the Internal High Speed oscillator (HSI) Startup
+ * Timeout value
+ */
+#if !defined (HSI_STARTUP_TIMEOUT)
+ #define HSI_STARTUP_TIMEOUT (5000U) /*!< Time out for HSI start up */
+#endif /* HSI_STARTUP_TIMEOUT */
+
+/**
+ * @brief Internal High Speed oscillator for ADC (HSI14) value.
+ */
+#if !defined (HSI14_VALUE)
+#define HSI14_VALUE (14000000U) /*!< Value of the Internal High Speed oscillator for ADC in Hz.
+ The real value may vary depending on the variations
+ in voltage and temperature. */
+#endif /* HSI14_VALUE */
+
+/**
+ * @brief Internal High Speed oscillator for USB (HSI48) value.
+ */
+#if !defined (HSI48_VALUE)
+#define HSI48_VALUE (48000000U) /*!< Value of the Internal High Speed oscillator for USB in Hz.
+ The real value may vary depending on the variations
+ in voltage and temperature. */
+#endif /* HSI48_VALUE */
+
+/**
+ * @brief Internal Low Speed oscillator (LSI) value.
+ */
+#if !defined (LSI_VALUE)
+ #define LSI_VALUE (40000U)
+#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.
+ */
+#if !defined (LSE_VALUE)
+ #define LSE_VALUE (32768U) /*!< Value of the External Low Speed oscillator in Hz */
+#endif /* LSE_VALUE */
+
+/**
+ * @brief Time out for LSE start up value in ms.
+ */
+#if !defined (LSE_STARTUP_TIMEOUT)
+ #define LSE_STARTUP_TIMEOUT (5000U) /*!< Time out for LSE start up, in ms */
+#endif /* LSE_STARTUP_TIMEOUT */
+
+
+/* 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
+ */
+#define VDD_VALUE ((uint32_t)3300) /*!< Value of VDD in mv */
+#define TICK_INT_PRIORITY ((uint32_t)(1<<__NVIC_PRIO_BITS) - 1) /*!< tick interrupt priority (lowest by default) */
+ /* Warning: Must be set to higher priority for HAL_Delay() */
+ /* and HAL_GetTick() usage under interrupt context */
+#define USE_RTOS 0
+#define PREFETCH_ENABLE 1
+#define INSTRUCTION_CACHE_ENABLE 0
+#define DATA_CACHE_ENABLE 0
+
+/* ########################## Assert Selection ############################## */
+/**
+ * @brief Uncomment the line below to expanse the "assert_param" macro in the
+ * HAL drivers code
+ */
+/*#define USE_FULL_ASSERT 1*/
+
+/* ################## 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
+*/
+
+#define USE_SPI_CRC 0U
+
+/* Includes ------------------------------------------------------------------*/
+/**
+ * @brief Include module's header file
+ */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+ #include "stm32f0xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+ #include "stm32f0xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+ #include "stm32f0xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+
+#ifdef HAL_CORTEX_MODULE_ENABLED
+ #include "stm32f0xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+ #include "stm32f0xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_CAN_MODULE_ENABLED
+ #include "stm32f0xx_hal_can.h"
+#endif /* HAL_CAN_MODULE_ENABLED */
+
+#ifdef HAL_CEC_MODULE_ENABLED
+ #include "stm32f0xx_hal_cec.h"
+#endif /* HAL_CEC_MODULE_ENABLED */
+
+#ifdef HAL_COMP_MODULE_ENABLED
+ #include "stm32f0xx_hal_comp.h"
+#endif /* HAL_COMP_MODULE_ENABLED */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+ #include "stm32f0xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+ #include "stm32f0xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+ #include "stm32f0xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+
+#ifdef HAL_I2C_MODULE_ENABLED
+ #include "stm32f0xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_I2S_MODULE_ENABLED
+ #include "stm32f0xx_hal_i2s.h"
+#endif /* HAL_I2S_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+ #include "stm32f0xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+ #include "stm32f0xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+ #include "stm32f0xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+#ifdef HAL_PWR_MODULE_ENABLED
+ #include "stm32f0xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+ #include "stm32f0xx_hal_rtc.h"
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+ #include "stm32f0xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_SMBUS_MODULE_ENABLED
+ #include "stm32f0xx_hal_smbus.h"
+#endif /* HAL_SMBUS_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+ #include "stm32f0xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+ #include "stm32f0xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_TSC_MODULE_ENABLED
+ #include "stm32f0xx_hal_tsc.h"
+#endif /* HAL_TSC_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+ #include "stm32f0xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+ #include "stm32f0xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+ #include "stm32f0xx_hal_wwdg.h"
+#endif /* HAL_WWDG_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 /* __STM32F0xx_HAL_CONF_H */
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/variants/DEMO_F030F4/variant.cpp b/variants/DEMO_F030F4/variant.cpp
new file mode 100644
index 0000000000..bbb38dcd0f
--- /dev/null
+++ b/variants/DEMO_F030F4/variant.cpp
@@ -0,0 +1,147 @@
+/*
+ *******************************************************************************
+ * 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.
+ *******************************************************************************
+ */
+
+#include "variant.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Pin number
+// This array allows to wrap Arduino pin number(Dx or x)
+// to STM32 PinName (PX_n)
+const PinName digitalPin[] = {
+// USB connector on the top, MCU side
+// Left Side
+ PA_0, //D0
+ PA_1, //D1
+ PA_2, //D2 - TX
+ PA_3, //D3 - RX
+ PA_4, //D4 - LED
+// Right side
+ PA_5, //D5 - SCK
+ PA_6, //D6 - MISO
+ PA_7, //D7 - MOSI
+ PB_1, //D8 - SS
+ PA_9, //D9 - SCL (TX UART Header)
+ PA_10, //D10 - SDA (RX UART Header)
+ PA_13, //D11 - SWDIO
+ PA_14, //D12 - SWCLK
+// Duplicated pins in order to be aligned with PinMap_ADC
+// A0 have to be greater than NUM_ANALOG_INPUTS
+ PA_0, //D13/A0 ~ D0
+ PA_1, //D14/A1 ~ D1
+ PA_2, //D15/A2 ~ D2
+ PA_3, //D16/A3 ~ D3
+ PA_4, //D17/A4 ~ D4
+ PA_5, //D18/A5 ~ D5
+ PA_6, //D19/A6 ~ D6
+ PA_7, //D20/A7 ~ D7
+ PB_1 //D21/A8 ~ D8
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+// ----------------------------------------------------------------------------
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief System Clock Configuration
+ * @param None
+ * @retval None
+ */
+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_HSI14|RCC_OSCILLATORTYPE_HSE;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
+ RCC_OscInitStruct.HSI14CalibrationValue = 16;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
+ RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+ {
+ /* Initialization Error */
+ while(1);
+ }
+
+ /**Initializes the CPU, AHB and APB busses clocks
+ */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
+ |RCC_CLOCKTYPE_PCLK1;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
+ {
+ /* Initialization Error */
+ while(1);
+ }
+
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_I2C1;
+ PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
+ PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_SYSCLK;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+ {
+ /* Initialization Error */
+ while(1);
+ }
+
+ /**Configure the Systick interrupt time
+ */
+ HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
+
+ /**Configure the Systick
+ */
+ HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
+
+ /* SysTick_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/variants/DEMO_F030F4/variant.h b/variants/DEMO_F030F4/variant.h
new file mode 100644
index 0000000000..3ae3bea707
--- /dev/null
+++ b/variants/DEMO_F030F4/variant.h
@@ -0,0 +1,125 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2018, 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
+ *----------------------------------------------------------------------------*/
+#include "PeripheralPins.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif // __cplusplus
+
+/*----------------------------------------------------------------------------
+ * Pins
+ *----------------------------------------------------------------------------*/
+extern const PinName digitalPin[];
+
+// USB connector on the top, MCU side
+// Left Side
+#define PA0 0 //D0/A0
+#define PA1 1 //D1/A1
+#define PA2 2 //D2/A2 - TX
+#define PA3 3 //D3/A3 - RX
+#define PA4 4 //D4/A4 - LED
+// Right side
+#define PA5 5 //D5/A5 - SCK
+#define PA6 6 //D6/A6 - MISO
+#define PA7 7 //D7/A7 - MOSI
+#define PB1 8 //D8/A8 - SS
+#define PA9 9 //D9 - SCL (TX UART header)
+#define PA10 10 //D10 - SDA (RX UART header)
+#define PA13 11 //D11 - SWDIO
+#define PA14 12 //D12 - SWCLK
+
+// This must be a literal with the same value as PEND
+#define NUM_DIGITAL_PINS 22
+// This must be a literal with a value less than or equal to MAX_ANALOG_INPUTS
+#define NUM_ANALOG_INPUTS 9
+#define NUM_ANALOG_FIRST 13
+
+// On-board LED pin number
+#define LED_BUILTIN PA4
+#define LED_GREEN LED_BUILTIN
+
+// SPI Definitions
+#define PIN_SPI_SS PB1
+#define PIN_SPI_MOSI PA7
+#define PIN_SPI_MISO PA6
+#define PIN_SPI_SCK PA5
+
+// I2C Definitions
+#define PIN_WIRE_SDA PA10 // Default for Arduino connector compatibility
+#define PIN_WIRE_SCL PA9 // Default for Arduino connector compatibility
+
+// Timer Definitions
+// Do not use timer used by PWM pins when possible. See PinMap_PWM.
+#define TIMER_TONE TIM17
+
+// Do not use basic timer: OC is required
+#define TIMER_SERVO TIM16 //TODO: advanced-control timers don't work
+
+// UART Definitions
+#define SERIAL_UART_INSTANCE 1
+// Default pin used for 'Serial' instance
+// Mandatory for Firmata
+#define PIN_SERIAL_RX PA3
+#define PIN_SERIAL_TX PA2
+
+#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 Serial
+#endif
+
+#endif /* _VARIANT_ARDUINO_STM32_ */