36 lines
745 B
C
36 lines
745 B
C
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/*
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* File : led.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006, RT-Thread Develop 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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* 2009-12-27 rdghx mini2440
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*/
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#include <s3c24x0.h>
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#include "led.h"
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void rt_hw_led_init(void)
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{
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/* GPB5,GPB6,GPB7,GPB8 for LED */
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GPBCON = GPBCON & (~(0xff << 10)) | (0x55 << 10);
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GPBUP |= (0x0f << 5);
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}
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void rt_hw_led_on(unsigned char value)
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{
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GPBDAT &= ~ ((value & 0x0f) << 5);
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}
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void rt_hw_led_off(unsigned char value)
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{
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GPBDAT |= (value & 0x0f) << 5;
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}
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