75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
|
|
* File : blink.c
|
|
* This file is part of RT-Thread RTOS
|
|
* COPYRIGHT (C) 2008 - 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
|
|
* 2017-11-8 Tangyuxin first version
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
|
|
#include <board.h>
|
|
#include <drv_gpio.h>
|
|
|
|
void blink_task(void* param)
|
|
{
|
|
rt_uint8_t cnt = 0;
|
|
|
|
while(1)
|
|
{
|
|
rt_thread_delay(RT_TICK_PER_SECOND / 4);
|
|
|
|
if(cnt & 0x01)
|
|
gpio_set_value(BLINK_LED0_PORT,BLINK_LED0_PIN,0);
|
|
else
|
|
gpio_set_value(BLINK_LED0_PORT,BLINK_LED0_PIN,1);
|
|
|
|
if(cnt & 0x02)
|
|
gpio_set_value(BLINK_LED1_PORT,BLINK_LED1_PIN,0);
|
|
else
|
|
gpio_set_value(BLINK_LED1_PORT,BLINK_LED1_PIN,1);
|
|
|
|
if(cnt & 0x04)
|
|
gpio_set_value(BLINK_LED2_PORT,BLINK_LED2_PIN,0);
|
|
else
|
|
gpio_set_value(BLINK_LED2_PORT,BLINK_LED2_PIN,1);
|
|
|
|
if(cnt & 0x08)
|
|
gpio_set_value(BLINK_LED3_PORT,BLINK_LED3_PIN,0);
|
|
else
|
|
gpio_set_value(BLINK_LED3_PORT,BLINK_LED3_PIN,1);
|
|
|
|
cnt ++;
|
|
}
|
|
}
|
|
|
|
int blink_init(void)
|
|
{
|
|
rt_thread_t tid;
|
|
|
|
tid = rt_thread_create("blink",
|
|
blink_task, RT_NULL,
|
|
512,
|
|
RT_THREAD_PRIORITY_MAX - 2,
|
|
10);
|
|
if (tid != RT_NULL)
|
|
rt_thread_startup(tid);
|
|
}
|
|
INIT_APP_EXPORT(blink_init);
|