rt-thread-official/bsp/stm32l476-nucleo/applications/userled.c

105 lines
2.7 KiB
C

/*
* File : userled.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2017, 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
* 2012-09-20 heyuanjie first version
* 2012-09-29 lgnq re-fromat the coding style
*/
#include <rtthread.h>
#include "drv_led.h"
#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
#include <finsh.h>
#endif
static rt_thread_t tid;
/**
* This function is the entry of the led thread
*
* @param param parameter of the led thread
*/
static void rt_userled_thread_init(void *param)
{
led_init();
led_set(1);
/* leds blink */
while (1)
{
led_set(0);
rt_thread_delay(RT_TICK_PER_SECOND / 100);
led_clear(0);
rt_thread_delay(RT_TICK_PER_SECOND);
}
}
/**
* This function will create and start a led thread
*/
void rt_hw_userled_init(void)
{
tid = rt_thread_create("userled",
rt_userled_thread_init,
RT_NULL,
512,
8,
1);
if (tid != RT_NULL)
rt_thread_startup(tid);
}
void rt_hw_userled_cleanup(void)
{
rt_enter_critical();
led_clear(0);
if (tid != RT_NULL && tid->stat != RT_THREAD_CLOSE)
{
rt_kprintf("delete led thread success\n");
rt_thread_delete(tid);
}
else
{
rt_kprintf("delete led thread faild\n");
if (tid == RT_NULL)
rt_kprintf("tid is null\n");
else
rt_kprintf("tid stat is %d\n", tid->stat);
}
rt_exit_critical();
}
#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
MSH_CMD_EXPORT_ALIAS(rt_hw_userled_cleanup, led_cleanup, delete led task);
#endif
void rt_hw_userled_input(void)
{
led_deinit();
}
#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
MSH_CMD_EXPORT_ALIAS(rt_hw_userled_input, led_as_input, delete led task);
#endif