rt-thread/bsp/stm32f0x/drivers/led.c

/*
 * File      : led.c
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2006-2013, RT-Thread Development Team
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rt-thread.org/license/LICENSE
 *
 * Change Logs:
 * Date           Author       Notes
 * 2013-11-15     bright       the first version
 */

#include <rtthread.h>
#include "led.h"

/*
LED_GREEN: PC8
LED_RED  : PC9
*/

/* Initial led gpio pin  */
int rt_hw_led_init(void)
{
    GPIO_InitTypeDef  GPIO_InitStructure;

    /* Enable the GPIO_LED Clock */
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);

    /* Configure the GPIO_LED pin */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
    GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOC, &GPIO_InitStructure);

    return 0;
}
/* Initial components for device */
INIT_DEVICE_EXPORT(rt_hw_led_init);