55 lines
1.6 KiB
C
55 lines
1.6 KiB
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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* 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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* 2011-01-13 weety first version
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*/
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#include <rtthread.h>
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#include <at91sam9g45.h>
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#include "led.h"
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// BYHX A-Plus Board
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#define LED0 (1UL << 30)
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#define LED1 (1UL << 31)
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#define LED2 (1UL << 29)
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#define LED3 (1UL << 28)
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#define LED_ALL (LED0 | LED1 | LED2 | LED3)
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void led_init(void)
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{
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AT91C_BASE_PIOC->PIO_PER = LED_ALL;
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AT91C_BASE_PIOC->PIO_OER = LED_ALL;
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AT91C_BASE_PIOC->PIO_PPUER = LED_ALL;
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AT91C_BASE_PIOC->PIO_SODR = LED_ALL;
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}
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const static rt_uint32_t m_leds[] = { LED0, LED1, LED2, LED3 };
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void led_on(int num)
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{
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if (num < 4) AT91C_BASE_PIOC->PIO_CODR = m_leds[num];
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}
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void led_off(int num)
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{
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if (num < 4) AT91C_BASE_PIOC->PIO_SODR = m_leds[num];
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}
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