84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
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/*
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* File : application.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-01-05 Bernard the first version
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*/
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/**
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* @addtogroup STM32
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*/
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/*@{*/
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#include <stdio.h>
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#include <board.h>
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#include <rtthread.h>
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/*
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LED_GREEN: PC8
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LED_RED : PC9
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*/
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#define rt_hw_led_on() GPIO_SetBits(GPIOC, GPIO_Pin_9)
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#define rt_hw_led_off() GPIO_ResetBits(GPIOC, GPIO_Pin_9)
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static void rt_hw_led_init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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/* Enable the GPIO_LED Clock */
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
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/* Configure the GPIO_LED pin */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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}
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ALIGN(RT_ALIGN_SIZE)
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static char led_stack[1024];
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static struct rt_thread led_thread;
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static void led_thread_entry(void* parameter)
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{
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rt_hw_led_init();
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while(1)
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{
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rt_hw_led_on();
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rt_thread_delay(RT_TICK_PER_SECOND/4);
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rt_hw_led_off();
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rt_thread_delay(RT_TICK_PER_SECOND/4);
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}
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}
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int rt_application_init()
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{
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rt_err_t result;
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result = rt_thread_init(&led_thread,
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"led",
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led_thread_entry,
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RT_NULL,
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&led_stack[0],
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sizeof(led_stack),
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4,
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2);
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if(result == RT_EOK) rt_thread_startup(&led_thread);
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return 0;
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}
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/*@}*/
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