75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
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/*
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* File : blink.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2008 - 2017, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2017-11-8 Tangyuxin first version
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*/
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#include <rtthread.h>
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#include <board.h>
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#include <drv_gpio.h>
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void blink_task(void* param)
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{
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rt_uint8_t cnt = 0;
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while(1)
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{
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rt_thread_delay(RT_TICK_PER_SECOND / 4);
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if(cnt & 0x01)
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gpio_set_value(BLINK_LED0_PORT,BLINK_LED0_PIN,0);
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else
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gpio_set_value(BLINK_LED0_PORT,BLINK_LED0_PIN,1);
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if(cnt & 0x02)
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gpio_set_value(BLINK_LED1_PORT,BLINK_LED1_PIN,0);
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else
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gpio_set_value(BLINK_LED1_PORT,BLINK_LED1_PIN,1);
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if(cnt & 0x04)
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gpio_set_value(BLINK_LED2_PORT,BLINK_LED2_PIN,0);
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else
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gpio_set_value(BLINK_LED2_PORT,BLINK_LED2_PIN,1);
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if(cnt & 0x08)
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gpio_set_value(BLINK_LED3_PORT,BLINK_LED3_PIN,0);
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else
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gpio_set_value(BLINK_LED3_PORT,BLINK_LED3_PIN,1);
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cnt ++;
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}
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}
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int blink_init(void)
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{
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rt_thread_t tid;
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tid = rt_thread_create("blink",
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blink_task, RT_NULL,
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512,
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RT_THREAD_PRIORITY_MAX - 2,
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10);
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if (tid != RT_NULL)
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rt_thread_startup(tid);
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}
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INIT_APP_EXPORT(blink_init);
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