Add Nucleo F334R8 board configuration

configs/Kconfig

@@ -714,6 +714,15 @@ config ARCH_BOARD_NUCLEO_F303RE
 	---help---
 		STMicro Nucleo F303RE board based on the STMicro STM32F303RET6 MCU.
 
+config ARCH_BOARD_NUCLEO_F334R8
+	bool "STM32F334 Nucleo F334R8"
+	depends on ARCH_CHIP_STM32F334R8
+	select ARCH_HAVE_LEDS
+	select ARCH_HAVE_BUTTONS
+	select ARCH_HAVE_IRQBUTTONS
+	---help---
+		STMicro Nucleo F334R8 board based on the STMicro STM32F334R8 MCU.
+
 config ARCH_BOARD_NUCLEO_F401RE
 	bool "STM32F401 Nucleo F401RE"
 	depends on ARCH_CHIP_STM32F401RE
@@ -1447,6 +1456,7 @@ config ARCH_BOARD
 	default "pic32mz-starterkit"       if ARCH_BOARD_PIC32MZ_STARTERKIT
 	default "nucleo-144"               if ARCH_BOARD_NUCLEO_144
 	default "nucleo-f303re"            if ARCH_BOARD_NUCLEO_F303RE
+	default "nucleo-f334r8"            if ARCH_BOARD_NUCLEO_F334R8
 	default "nucleo-f4x1re"            if ARCH_BOARD_NUCLEO_F401RE || ARCH_BOARD_NUCLEO_F411RE
 	default "nucleo-l476rg"            if ARCH_BOARD_NUCLEO_L476RG
 	default "qemu-i486"                if ARCH_BOARD_QEMU_I486
@@ -1748,6 +1758,9 @@ endif
 if ARCH_BOARD_NUCLEO_F303RE
 source "configs/nucleo-f303re/Kconfig"
 endif
+if ARCH_BOARD_NUCLEO_F334R8
+source "configs/nucleo-f334r8/Kconfig"
+endif
 if ARCH_BOARD_NUCLEO_F401RE || ARCH_BOARD_NUCLEO_F411RE
 source "configs/nucleo-f4x1re/Kconfig"
 endif

configs/nucleo-f334r8/Kconfig

@@ -0,0 +1,8 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+if ARCH_BOARD_NUCLEO_F334R8
+
+endif

configs/nucleo-f334r8/include/board.h

@@ -0,0 +1,282 @@
+/****************************************************************************
+ * configs/nucleo-f334r8/include/board.h
+ * include/arch/board/board.h
+ *
+ *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+ *   Author: Mateusz Szafoni <raiden00@railab.me>
+ *
+ * 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 NuttX 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 OWNER 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 __CONFIG_STM32F3DISCOVERY_INCLUDE_BOARD_H
+#define __CONFIG_STM32F3DISCOVERY_INCLUDE_BOARD_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#ifndef __ASSEMBLY__
+#  include <stdint.h>
+#  include <stdbool.h>
+#endif
+
+#ifdef __KERNEL__
+#  include "stm32.h"
+#endif
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Clocking *****************************************************************/
+
+/* HSI - Internal 8 MHz RC Oscillator
+ * LSI - 32 KHz RC
+ * HSE - 8 MHz from MCO output of ST-LINK
+ * LSE - 32.768 kHz
+ */
+
+#define STM32_BOARD_XTAL        8000000ul
+
+#define STM32_HSI_FREQUENCY     8000000ul
+#define STM32_LSI_FREQUENCY     32000            /* Between 30kHz and 60kHz */
+#define STM32_HSE_FREQUENCY     STM32_BOARD_XTAL
+#define STM32_LSE_FREQUENCY     32768            /* X2 on board */
+
+/* PLL source is HSE/1, PLL multipler is 9: PLL frequency is 8MHz (XTAL) x 9 = 72MHz */
+
+#define STM32_CFGR_PLLSRC       RCC_CFGR_PLLSRC
+#define STM32_CFGR_PLLXTPRE     0
+#define STM32_CFGR_PLLMUL       RCC_CFGR_PLLMUL_CLKx9
+#define STM32_PLL_FREQUENCY     (9*STM32_BOARD_XTAL)
+
+/* Use the PLL and set the SYSCLK source to be the PLL */
+
+#define STM32_SYSCLK_SW         RCC_CFGR_SW_PLL
+#define STM32_SYSCLK_SWS        RCC_CFGR_SWS_PLL
+#define STM32_SYSCLK_FREQUENCY  STM32_PLL_FREQUENCY
+
+/* AHB clock (HCLK) is SYSCLK (72MHz) */
+
+#define STM32_RCC_CFGR_HPRE     RCC_CFGR_HPRE_SYSCLK
+#define STM32_HCLK_FREQUENCY    STM32_PLL_FREQUENCY
+#define STM32_BOARD_HCLK        STM32_HCLK_FREQUENCY
+
+/* APB2 clock (PCLK2) is HCLK (72MHz) */
+
+#define STM32_RCC_CFGR_PPRE2    RCC_CFGR_PPRE2_HCLK
+#define STM32_PCLK2_FREQUENCY   STM32_HCLK_FREQUENCY
+#define STM32_APB2_CLKIN        (STM32_PCLK2_FREQUENCY)
+
+/* APB2 timers 1, 8, 15-17 and HRTIM1 will receive PCLK2. */
+
+/* Timers driven from APB2 will be PCLK2 */
+
+#define STM32_APB2_TIM1_CLKIN     (STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM8_CLKIN     (STM32_PCLK2_FREQUENCY)
+#define STM32_APB1_TIM15_CLKIN    (STM32_PCLK2_FREQUENCY)
+#define STM32_APB1_TIM16_CLKIN    (STM32_PCLK2_FREQUENCY)
+#define STM32_APB1_TIM17_CLKIN    (STM32_PCLK2_FREQUENCY)
+#define STM32_APB1_THRTIM1_CLKIN  (STM32_PCLK2_FREQUENCY)
+
+/* APB1 clock (PCLK1) is HCLK/2 (36MHz) */
+
+#define STM32_RCC_CFGR_PPRE1    RCC_CFGR_PPRE1_HCLKd2
+#define STM32_PCLK1_FREQUENCY   (STM32_HCLK_FREQUENCY/2)
+
+/* APB1 timers 2-7 will be twice PCLK1 */
+
+#define STM32_APB1_TIM2_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM3_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM6_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM7_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+
+/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
+ * otherwise frequency is 2xAPBx.
+ * Note: TIM1,8 are on APB2, others on APB1
+ */
+
+#define BOARD_TIM1_FREQUENCY    STM32_HCLK_FREQUENCY
+#define BOARD_TIM15_FREQUENCY   STM32_HCLK_FREQUENCY
+#define BOARD_TIM16_FREQUENCY   STM32_HCLK_FREQUENCY
+#define BOARD_TIM17_FREQUENCY   STM32_HCLK_FREQUENCY
+#define BOARD_TIM2_FREQUENCY    (STM32_HCLK_FREQUENCY / 2)
+#define BOARD_TIM3_FREQUENCY    (STM32_HCLK_FREQUENCY / 2)
+#define BOARD_TIM5_FREQUENCY    (STM32_HCLK_FREQUENCY / 2)
+#define BOARD_TIM6_FREQUENCY    (STM32_HCLK_FREQUENCY / 2)
+#define BOARD_TIM7_FREQUENCY    (STM32_HCLK_FREQUENCY / 2)
+#define BOARD_HRTIM1_FREQUENCY  STM32_HCLK_FREQUENCY
+
+/* LED definitions **********************************************************/
+/* The Nucleo F334R8 board has three LEDs.  Two of these are controlled by
+ * logic on the board and are not available for software control:
+ *
+ * LD1 COM:  LD1 default status is red.  LD1 turns to green to indicate that
+ *           communications are in progress between the PC and the
+ *           ST-LINK/V2-1.
+ * LD3 PWR:  red LED indicates that the board is powered.
+ *
+ * And one can be controlled by software:
+ *
+ * User LD2: green LED is a user LED connected to the I/O PA5 of the
+ *           STM32F334R8.
+ *
+ * If CONFIG_ARCH_LEDS is not defined, then the user can control the LED in
+ * any way.  The following definition is used to access the LED.
+ */
+
+/* LED index values for use with board_userled() */
+
+#define BOARD_LED1       0 /* User LD2 */
+#define BOARD_NLEDS      1
+
+/* LED bits for use with board_userled_all() */
+
+#define BOARD_LED1_BIT   (1 << BOARD_LED1)
+
+/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
+ * the Nucleo F334R8.  The following definitions describe how NuttX controls
+ * the LED:
+ *
+ *   SYMBOL              Meaning                  LED1 state
+ *   ------------------  -----------------------  ----------
+ *   LED_STARTED         NuttX has been started   OFF
+ *   LED_HEAPALLOCATE    Heap has been allocated  OFF
+ *   LED_IRQSENABLED     Interrupts enabled       OFF
+ *   LED_STACKCREATED    Idle stack created       ON
+ *   LED_INIRQ           In an interrupt          No change
+ *   LED_SIGNAL          In a signal handler      No change
+ *   LED_ASSERTION       An assertion failed      No change
+ *   LED_PANIC           The system has crashed   Blinking
+ *   LED_IDLE            STM32 is is sleep mode   Not used
+ */
+
+#define LED_STARTED      0
+#define LED_HEAPALLOCATE 0
+#define LED_IRQSENABLED  0
+#define LED_STACKCREATED 1
+#define LED_INIRQ        2
+#define LED_SIGNAL       2
+#define LED_ASSERTION    2
+#define LED_PANIC        1
+
+/* Button definitions *******************************************************/
+/* The Nucleo F334R8 supports two buttons; only one button is controllable
+ * by software:
+ *
+ *   B1 USER:  user button connected to the I/O PC13 of the STM32F334R8.
+ *   B2 RESET: push button connected to NRST is used to RESET the
+ *             STM32F334R8.
+ */
+
+#define BUTTON_USER      0
+#define NUM_BUTTONS      1
+
+#define BUTTON_USER_BIT  (1 << BUTTON_USER)
+
+/* Alternate function pin selections ****************************************/
+/* CAN */
+
+#define GPIO_CAN1_RX GPIO_CAN_RX_2
+#define GPIO_CAN1_TX GPIO_CAN_TX_2
+
+/* I2C */
+
+#define GPIO_I2C1_SCL GPIO_I2C1_SCL_3
+#define GPIO_I2C1_SDA GPIO_I2C1_SDA_3
+
+/* SPI */
+
+#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1
+#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1
+#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1
+
+/* TIM */
+
+#define GPIO_TIM2_CH2OUT GPIO_TIM2_CH2OUT_2
+#define GPIO_TIM2_CH3OUT GPIO_TIM2_CH3OUT_3
+
+#define GPIO_TIM3_CH1OUT GPIO_TIM3_CH1OUT_2
+#define GPIO_TIM3_CH2OUT GPIO_TIM3_CH2OUT_4
+
+#define GPIO_TIM4_CH1OUT GPIO_TIM4_CH1OUT_2
+
+/* USART */
+
+#define GPIO_USART2_RX GPIO_USART2_RX_2
+#define GPIO_USART2_TX GPIO_USART2_TX_2
+
+#define GPIO_USART1_RX GPIO_USART1_RX_1 /* PA10 */
+#define GPIO_USART1_TX GPIO_USART1_TX_1 /* PA9 */
+
+/* HRTIM */
+
+
+/* DMA channels *************************************************************/
+/* ADC */
+
+#define ADC1_DMA_CHAN DMACHAN_ADC1
+#define ADC2_DMA_CHAN DMACHAN_ADC2_
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_boardinitialize
+ *
+ * Description:
+ *   All STM32 architectures must provide the following entry point.  This
+ *   entry point is called early in the initialization -- after all memory
+ *   has been configured and mapped but before any devices have been
+ *   initialized.
+ *
+ ****************************************************************************/
+
+void stm32_boardinitialize(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* __CONFIG_NUCLEO_F334R8_INCLUDE_BOARD_H */

configs/nucleo-f334r8/nsh/Make.defs

@@ -0,0 +1,113 @@
+############################################################################
+# configs/nucleo-f334r8/nsh/Make.defs
+#
+#   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# 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 NuttX 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 OWNER 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 ${TOPDIR}/.config
+include ${TOPDIR}/tools/Config.mk
+include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
+
+LDSCRIPT = ld.script
+
+ifeq ($(WINTOOL),y)
+  # Windows-native toolchains
+  DIRLINK = $(TOPDIR)/tools/copydir.sh
+  DIRUNLINK = $(TOPDIR)/tools/unlink.sh
+  MKDEP = $(TOPDIR)/tools/mkwindeps.sh
+  ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
+  ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
+  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)}"
+else
+  # Linux/Cygwin-native toolchain
+  MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT)
+  ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
+  ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
+  ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
+endif
+
+CC = $(CROSSDEV)gcc
+CXX = $(CROSSDEV)g++
+CPP = $(CROSSDEV)gcc -E
+LD = $(CROSSDEV)ld
+AR = $(ARCROSSDEV)ar rcs
+NM = $(ARCROSSDEV)nm
+OBJCOPY = $(CROSSDEV)objcopy
+OBJDUMP = $(CROSSDEV)objdump
+
+ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
+ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+  ARCHOPTIMIZATION = -g
+endif
+
+ifneq ($(CONFIG_DEBUG_NOOPT),y)
+  ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
+endif
+
+ARCHCFLAGS = -fno-builtin
+ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fcheck-new -fno-rtti
+ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef
+ARCHWARNINGSXX = -Wall -Wshadow -Wundef
+ARCHDEFINES =
+ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
+
+CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
+CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
+CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
+AFLAGS = $(CFLAGS) -D__ASSEMBLY__
+
+NXFLATLDFLAGS1 = -r -d -warn-common
+NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
+LDNXFLATFLAGS = -e main -s 2048
+
+ASMEXT = .S
+OBJEXT = .o
+LIBEXT = .a
+EXEEXT =
+
+ifneq ($(CROSSDEV),arm-nuttx-elf-)
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+  LDFLAGS += -g
+endif
+
+
+HOSTCC = gcc
+HOSTINCLUDES = -I.
+HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
+HOSTLDFLAGS =
+

configs/nucleo-f334r8/nsh/setenv.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+# configs/nucleo-f224r8/nsh/setenv.sh
+#
+#   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# 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 NuttX 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 OWNER 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.
+#
+
+if [ "$_" = "$0" ] ; then
+  echo "You must source this script, not run it!" 1>&2
+  exit 1
+fi
+
+WD=`pwd`
+if [ ! -x "setenv.sh" ]; then
+  echo "This script must be executed from the top-level NuttX build directory"
+  exit 1
+fi
+
+if [ -z "${PATH_ORIG}" ]; then
+  export PATH_ORIG="${PATH}"
+fi
+
+# This is the Cygwin path to the location where I installed the Atmel GCC
+# toolchain under Windows.  You will also have to edit this if you install
+# this toolchain in any other location
+#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/Atmel/Atmel Toolchain/ARM GCC/Native/4.7.3.99/arm-gnu-toolchain/bin"
+
+# This is the Cygwin path to the location where I installed the CodeSourcery
+# toolchain under windows.  You will also have to edit this if you install
+# the CodeSourcery toolchain in any other location
+#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery G++ Lite/bin"
+#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery_CodeBench_Lite_for_ARM_EABI/bin"
+# export TOOLCHAIN_BIN="/cygdrive/c/Users/MyName/MentorGraphics/Sourcery_CodeBench_Lite_for_ARM_EABI/bin"
+
+# This is the location where I installed the ARM "GNU Tools for ARM Embedded Processors"
+# You can this free toolchain here https://launchpad.net/gcc-arm-embedded
+export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/GNU Tools ARM Embedded/4.9 2015q2/bin"
+
+# This is the path to the location where I installed the devkitARM toolchain
+# You can get this free toolchain from http://devkitpro.org/ or http://sourceforge.net/projects/devkitpro/
+#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/devkitARM/bin"
+
+# This is the Cygwin path to the location where I build the buildroot
+# toolchain.
+# export TOOLCHAIN_BIN="${WD}/../buildroot/build_arm_nofpu/staging_dir/bin"
+
+# Add the path to the toolchain to the PATH varialble
+export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
+
+echo "PATH : ${PATH}"

configs/nucleo-f334r8/scripts/ld.script

@@ -0,0 +1,117 @@
+/****************************************************************************
+ * configs/nucleo-f334re/scripts/ld.script
+ *
+ *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+ *   Authors: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 NuttX 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 OWNER 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.
+ *
+ ****************************************************************************/
+
+/* The STM32F334R8 has 64Kb of FLASH beginning at address 0x0800:0000 and
+ * 12Kb of SRAM.
+ *
+ * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
+ * where the code expects to begin execution by jumping to the entry point in
+ * the 0x0800:0000 address range.
+ */
+
+MEMORY
+{
+    flash (rx) : ORIGIN = 0x08000000, LENGTH = 64K
+    sram (rwx) : ORIGIN = 0x20000000, LENGTH = 12K
+}
+
+OUTPUT_ARCH(arm)
+ENTRY(_stext)
+SECTIONS
+{
+	.text : {
+		_stext = ABSOLUTE(.);
+		*(.vectors)
+		*(.text .text.*)
+		*(.fixup)
+		*(.gnu.warning)
+		*(.rodata .rodata.*)
+		*(.gnu.linkonce.t.*)
+		*(.glue_7)
+		*(.glue_7t)
+		*(.got)
+		*(.gcc_except_table)
+		*(.gnu.linkonce.r.*)
+		_etext = ABSOLUTE(.);
+	} > flash
+
+	.init_section : {
+		_sinit = ABSOLUTE(.);
+		*(.init_array .init_array.*)
+		_einit = ABSOLUTE(.);
+	} > flash
+
+	.ARM.extab : {
+		*(.ARM.extab*)
+	} > flash
+
+	__exidx_start = ABSOLUTE(.);
+	.ARM.exidx : {
+		*(.ARM.exidx*)
+	} > flash
+	__exidx_end = ABSOLUTE(.);
+
+	_eronly = ABSOLUTE(.);
+
+	.data : {
+		_sdata = ABSOLUTE(.);
+		*(.data .data.*)
+		*(.gnu.linkonce.d.*)
+		CONSTRUCTORS
+		_edata = ABSOLUTE(.);
+	} > sram AT > flash
+
+	.bss : {
+		_sbss = ABSOLUTE(.);
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+		_ebss = ABSOLUTE(.);
+	} > sram
+
+	/* Stabs debugging sections. */
+	.stab 0 : { *(.stab) }
+	.stabstr 0 : { *(.stabstr) }
+	.stab.excl 0 : { *(.stab.excl) }
+	.stab.exclstr 0 : { *(.stab.exclstr) }
+	.stab.index 0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment 0 : { *(.comment) }
+	.debug_abbrev 0 : { *(.debug_abbrev) }
+	.debug_info 0 : { *(.debug_info) }
+	.debug_line 0 : { *(.debug_line) }
+	.debug_pubnames 0 : { *(.debug_pubnames) }
+	.debug_aranges 0 : { *(.debug_aranges) }
+}

configs/nucleo-f334r8/src/Makefile

@@ -0,0 +1,91 @@
+############################################################################
+# configs/nucleo-f303re/src/Makefile
+#
+#   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+#   Author: Mateusz Szafoni <raiden00@railab.me>
+#
+# 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 NuttX 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 OWNER 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 $(TOPDIR)/Make.defs
+
+ASRCS =
+CSRCS = stm32_boot.c
+
+ifeq ($(CONFIG_ARCH_LEDS),y)
+CSRCS += stm32_autoleds.c
+else
+CSRCS += stm32_userleds.c
+endif
+
+ifeq ($(CONFIG_ARCH_BUTTONS),y)
+CSRCS += stm32_buttons.c
+endif
+
+ifeq ($(CONFIG_LIB_BOARDCTL),y)
+CSRCS += stm32_appinit.c
+endif
+
+ifeq ($(CONFIG_ADC),y)
+CSRCS += stm32_adc.c
+endif
+
+ifeq ($(CONFIG_CAN),y)
+CSRCS += stm32_can.c
+endif
+
+ifeq ($(CONFIG_DAC),y)
+CSRCS += stm32_dac.c
+endif
+
+ifeq ($(CONFIG_PWM),y)
+CSRCS += stm32_pwm.c
+endif
+
+ifeq ($(CONFIG_SPI),y)
+CSRCS += stm32_spi.c
+endif
+
+ifeq ($(CONFIG_TIMER),y)
+CSRCS += stm32_timer.c
+endif
+
+ifeq ($(CONFIG_HRTIM),y)
+CSRCS += stm32_hrtim.c
+endif
+
+ifeq ($(CONFIG_COMP),y)
+CSRCS += stm32_comp.c
+endif
+
+ifeq ($(CONFIG_OPAMP),y)
+CSRCS += stm32_opamp.c
+endif
+
+include $(TOPDIR)/configs/Board.mk

configs/nucleo-f334r8/src/nucleo-f334r8.h

@@ -0,0 +1,193 @@
+/****************************************************************************
+ * configs/nucleo-f334r8/src/nucleo-f334r8.h
+ *
+ *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+ *   Authors: Mateusz Szafoni <raiden00@railab.me>
+ *
+ * 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 NuttX 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 OWNER 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 __CONFIGS_NUCLEO_F334R8_SRC_NUCLEO_F334R8_H
+#define __CONFIGS_NUCLEO_F334R8_SRC_NUCLEO_F334R8_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* LED definitions **********************************************************/
+/* The Nucleo F334R8 board has three LEDs.  Two of these are controlled by
+ * logic on the board and are not available for software control:
+ *
+ * LD1 COM:  LD1 default status is red.  LD1 turns to green to indicate that
+ *           communications are in progress between the PC and the
+ *           ST-LINK/V2-1.
+ * LD3 PWR:  red LED indicates that the board is powered.
+ *
+ * And one can be controlled by software:
+ *
+ * User LD2: green LED is a user LED connected to the I/O PA5 of the
+ *           STM32F334R8T6.
+ *
+ * If CONFIG_ARCH_LEDS is not defined, then the user can control the LED in
+ * any way.  The following definition is used to access the LED.
+ */
+
+#define GPIO_LED1      (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
+                        GPIO_OUTPUT_CLEAR|GPIO_PORTA|GPIO_PIN5)
+
+#define LED_DRIVER_PATH "/dev/userleds"
+
+/* Button definitions *******************************************************/
+/* The Nucleo F334R8 supports two buttons; only one button is controllable
+ * by software:
+ *
+ *   B1 USER:  user button connected to the I/O PC13 of the STM32F334R8T6.
+ *   B2 RESET: push button connected to NRST is used to RESET the
+ *             STM32F334R8T6.
+ *
+ * NOTE that EXTI interrupts are configured.
+ */
+
+#define MIN_IRQBUTTON  BUTTON_USER
+#define MAX_IRQBUTTON  BUTTON_USER
+#define NUM_IRQBUTTONS 1
+
+#define GPIO_BTN_USER  (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTC|GPIO_PIN13)
+
+/* PWM definitions **********************************************************/
+/* The Nucleo F334R8 has no real on-board PWM devices, but the board can be
+ * configured to output a pulse train using variously unused pins on the
+ * board for PWM output (see board.h for details of pins).
+ */
+
+#ifdef CONFIG_PWM
+#  if defined(CONFIG_STM32_TIM2_PWM)
+#    define NUCLEO_F334R8_PWMTIMER 2
+#  elif defined(CONFIG_STM32_TIM3_PWM)
+#    define NUCLEO_F334R8_PWMTIMER 3
+#  elif defined(CONFIG_STM32_TIM4_PWM)
+#    define NUCLEO_F334R8_PWMTIMER 4
+#  endif
+#endif
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_spidev_initialize
+ *
+ * Description:
+ *   Called to configure SPI chip select GPIO pins for the board.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_SPI
+void weak_function stm32_spidev_initialize(void);
+#endif
+
+/****************************************************************************
+ * Name: stm32_timer_driver_setup
+ *
+ * Description:
+ *   Configure the timer driver.
+ *
+ * Input Parameters:
+ *   devpath - The full path to the timer device.  This should be of the form /dev/timer0
+ *   timer   - The timer's number.
+ *
+ * Returned Values:
+ *   Zero (OK) is returned on success; A negated errno value is returned
+ *   to indicate the nature of any failure.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_TIMER
+int stm32_timer_driver_setup(FAR const char *devpath, int timer);
+#endif
+
+/****************************************************************************
+ * Name: stm32_dac_setup
+ *
+ * Description:
+ *   Configure DAC peripheral for the board.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_DAC
+int stm32_dac_setup(void);
+#endif
+
+/************************************************************************************
+ * Name: stm32_pwm_setup
+ *
+ * Description:
+ *   Initialize PWM and register the PWM device.
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_PWM
+int stm32_pwm_setup(void);
+#endif
+
+/************************************************************************************
+ * Name: stm32_adc_setup
+ *
+ * Description:
+ *   Initialize ADC and register the ADC driver.
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_ADC
+int stm32_adc_setup(void);
+#endif
+
+/****************************************************************************
+ * Name: stm32_can_setup
+ *
+ * Description:
+ *  Initialize CAN and register the CAN device
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_CAN
+int stm32_can_setup(void);
+#endif
+
+#endif /* __CONFIGS_NUCLEO_F334R8_SRC_NUCLEO_F334R8_H */

configs/nucleo-f334r8/src/stm32_appinit.c

@@ -0,0 +1,112 @@
+/****************************************************************************
+ * configs/nucleo-f334r8/src/stm32_appinitialize.c
+ *
+ *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+ *   Authors: Mateusz Szafoni <raiden00@railab.me>
+ *
+ * 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 NuttX 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 OWNER 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <syslog.h>
+
+#include <nuttx/board.h>
+#include <nuttx/leds/userled.h>
+
+#include "nucleo-f303re.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#undef HAVE_LEDS
+#undef HAVE_DAC
+
+#if !defined(CONFIG_ARCH_LEDS) && defined(CONFIG_USERLED_LOWER)
+#  define HAVE_LEDS 1
+#endif
+
+#if defined(CONFIG_DAC)
+#  define HAVE_DAC1 1
+#  define HAVE_DAC2 1
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_app_initialize
+ *
+ * Description:
+ *   Perform application specific initialization.  This function is never
+ *   called directly from application code, but only indirectly via the
+ *   (non-standard) boardctl() interface using the command BOARDIOC_INIT.
+ *
+ * Input Parameters:
+ *   arg - The boardctl() argument is passed to the board_app_initialize()
+ *         implementation without modification.  The argument has no
+ *         meaning to NuttX; the meaning of the argument is a contract
+ *         between the board-specific initalization logic and the the
+ *         matching application logic.  The value cold be such things as a
+ *         mode enumeration value, a set of DIP switch switch settings, a
+ *         pointer to configuration data read from a file or serial FLASH,
+ *         or whatever you would like to do with it.  Every implementation
+ *         should accept zero/NULL as a default configuration.
+ *
+ * Returned Value:
+ *   Zero (OK) is returned on success; a negated errno value is returned on
+ *   any failure to indicate the nature of the failure.
+ *
+ ****************************************************************************/
+
+int board_app_initialize(uintptr_t arg)
+{
+  int ret;
+
+#ifdef HAVE_LEDS
+  /* Register the LED driver */
+
+  ret = userled_lower_initialize(LED_DRIVER_PATH);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret);
+      return ret;
+    }
+#endif
+
+  UNUSED(ret);
+  return OK;
+}

configs/nucleo-f334r8/src/stm32_autoleds.c

@@ -0,0 +1,93 @@
+/****************************************************************************
+ * configs/nucleo-f334r8/src/stm32_autoleds.c
+ *
+ *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+ *   Authors: Mateusz Szafoni <raiden00@railab.me>
+ *
+ * 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 NuttX 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 OWNER 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <debug.h>
+
+#include <nuttx/board.h>
+#include <arch/board/board.h>
+
+#include "stm32.h"
+#include "nucleo-f334r8.h"
+
+#ifdef CONFIG_ARCH_LEDS
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_autoled_initialize
+ ****************************************************************************/
+
+void board_autoled_initialize(void)
+{
+  /* Configure LED1 GPIO for output */
+
+  stm32_configgpio(GPIO_LED1);
+}
+
+/****************************************************************************
+ * Name: board_autoled_on
+ ****************************************************************************/
+
+void board_autoled_on(int led)
+{
+  if (led == BOARD_LED1)
+    {
+      stm32_gpiowrite(GPIO_LED1, true);
+    }
+}
+
+/****************************************************************************
+ * Name: board_autoled_off
+ ****************************************************************************/
+
+void board_autoled_off(int led)
+{
+  if (led == BOARD_LED1)
+    {
+      stm32_gpiowrite(GPIO_LED1, false);
+    }
+}
+
+#endif /* CONFIG_ARCH_LEDS */

configs/nucleo-f334r8/src/stm32_boot.c

@@ -0,0 +1,86 @@
+/****************************************************************************
+ * configs/nucleo-f334r8/src/stm32_boot.c
+ *
+ *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+ *   Authors: Mateusz Szafoni <raiden00@railab.me>
+ *
+ * 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 NuttX 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 OWNER 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <nuttx/board.h>
+#include <arch/board/board.h>
+
+#include "nucleo-f334r8.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_boardinitialize
+ *
+ * Description:
+ *   All STM32 architectures must provide the following entry point.  This
+ *   entry point is called early in the intitialization -- after all memory
+ *   has been configured and mapped but before any devices have been
+ *   initialized.
+ *
+ ****************************************************************************/
+
+void stm32_boardinitialize(void)
+{
+
+  /* Configure on-board LEDs if LED support has been selected. */
+
+#ifdef CONFIG_ARCH_LEDS
+  board_autoled_initialize();
+#endif
+}