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boards/nucleo-f446re: add pulse count example

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add pulse count example for nucleo-f446re

Signed-off-by: raiden00pl <raiden00@railab.me>
This commit is contained in:
raiden00pl 2026-05-20 13:01:11 +02:00 • committed by Alin Jerpelea
parent 4f929d63f3
commit d54ed68aa0
3 changed files with 83 additions and 0 deletions
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54
boards/arm/stm32/nucleo-f446re/configs/jumbo/defconfig Normal file
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@ -0,0 +1,54 @@
#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_ARCH_FPU is not set
# CONFIG_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
# CONFIG_NSH_DISABLE_IFCONFIG is not set
# CONFIG_NSH_DISABLE_PS is not set
# CONFIG_STM32_FLASH_PREFETCH is not set
CONFIG_ARCH="arm"
CONFIG_ARCH_BOARD="nucleo-f446re"
CONFIG_ARCH_BOARD_NUCLEO_F446RE=y
CONFIG_ARCH_BUTTONS=y
CONFIG_ARCH_CHIP="stm32"
CONFIG_ARCH_CHIP_STM32=y
CONFIG_ARCH_CHIP_STM32F446R=y
CONFIG_ARCH_INTERRUPTSTACK=2048
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARD_LOOPSPERMSEC=8499
CONFIG_BUILTIN=y
CONFIG_EXAMPLES_PULSECOUNT=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_LINE_MAX=64
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_READLINE=y
CONFIG_PREALLOC_TIMERS=4
CONFIG_RAM_SIZE=131072
CONFIG_RAM_START=0x20000000
CONFIG_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_WAITPID=y
CONFIG_SPI=y
CONFIG_START_DAY=14
CONFIG_START_MONTH=10
CONFIG_START_YEAR=2014
CONFIG_STM32_CRC=y
CONFIG_STM32_JTAG_SW_ENABLE=y
CONFIG_STM32_OTGFS=y
CONFIG_STM32_PWR=y
CONFIG_STM32_TIM8=y
CONFIG_STM32_TIM8_PULSECOUNT=y
CONFIG_STM32_USART2=y
CONFIG_SYSTEM_NSH=y
CONFIG_TASK_NAME_SIZE=0
CONFIG_TESTING_OSTEST=y
CONFIG_USART2_SERIAL_CONSOLE=y

4
boards/arm/stm32/nucleo-f446re/include/board.h
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@ -391,6 +391,10 @@
#define GPIO_TIM3_CH1OUT (GPIO_TIM3_CH1OUT_1|GPIO_SPEED_50MHz)
/* TIM8 configuration *******************************************************/
#define GPIO_TIM8_CH1OUT (GPIO_TIM8_CH1OUT_1|GPIO_SPEED_50MHz) /* PC6 */
#ifdef CONFIG_BOARD_STM32_IHM08M1
/* Configuration specific to the X-NUCLEO-IHM08M1 expansion board with

25
boards/arm/stm32/nucleo-f446re/src/stm32_bringup.c
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@ -40,6 +40,10 @@
#include <arch/board/board.h>
#ifdef CONFIG_PULSECOUNT
# include "stm32_pulsecount.h"
#endif
#ifdef CONFIG_INPUT_BUTTONS
# include <nuttx/input/buttons.h>
#endif
@ -80,6 +84,9 @@
int stm32_bringup(void)
{
#ifdef CONFIG_PULSECOUNT
struct pulsecount_lowerhalf_s *pulsecount;
#endif
int ret = OK;
#ifdef CONFIG_FS_PROCFS
@ -163,6 +170,24 @@ int stm32_bringup(void)
}
#endif
#ifdef CONFIG_PULSECOUNT
/* Initialize and register the pulse count driver. */
pulsecount = stm32_pulsecountinitialize(8);
if (pulsecount == NULL)
{
syslog(LOG_ERR, "ERROR: stm32_pulsecountinitialize failed\n");
return -ENODEV;
}
ret = pulsecount_register("/dev/pulsecount0", pulsecount);
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: pulsecount_register failed: %d\n", ret);
return ret;
}
#endif
#ifdef CONFIG_STM32_CAN_CHARDRIVER
/* Initialize CAN and register the CAN driver. */