rt-thread/bsp/stm32h743-nucleo/drivers/drv_led.c

/*
 * File      : drv_led.c
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2015, RT-Thread Development Team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Change Logs:
 * Date           Author       Notes
 * 2017-08-25     LongfeiMa    the first version for stm32h7xx
 */
#include <rtthread.h>
#include <board.h>

#include "drv_led.h"

static void led_thread_entry(void *parameter)
{
	while (1)
	{
		led_on();
		rt_thread_delay(RT_TICK_PER_SECOND);
		led_off();
		rt_thread_delay(RT_TICK_PER_SECOND);
	}
}

int led_hw_init(void)
{
	GPIO_InitTypeDef GPIO_InitStruct;

	/* GPIO Ports Clock Enable */
	__HAL_RCC_GPIOB_CLK_ENABLE();

	/* Configure GPIO pin: PI1 (LD2) */
	GPIO_InitStruct.Pin   = GPIO_PIN_14;
	GPIO_InitStruct.Mode  = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Pull  = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
	HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
	return 0;
}
INIT_BOARD_EXPORT(led_hw_init);

int led_init(void)
{
	rt_thread_t tid;

	tid = rt_thread_create("led",
						   led_thread_entry, RT_NULL,
						   512, 12, 5);

	if (tid != RT_NULL)
		rt_thread_startup(tid);

	return 0;
}
INIT_APP_EXPORT(led_init);