/* * File : led.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2006, RT-Thread Develop Team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Change Logs: * Date Author Notes * 2011-01-13 weety first version */ #include #include #include "led.h" // BYHX A-Plus Board #define LED0 (1UL << 30) #define LED1 (1UL << 31) #define LED2 (1UL << 29) #define LED3 (1UL << 28) #define LED_ALL (LED0 | LED1 | LED2 | LED3) void led_init(void) { AT91C_BASE_PIOC->PIO_PER = LED_ALL; AT91C_BASE_PIOC->PIO_OER = LED_ALL; AT91C_BASE_PIOC->PIO_PPUER = LED_ALL; AT91C_BASE_PIOC->PIO_SODR = LED_ALL; } const static rt_uint32_t m_leds[] = { LED0, LED1, LED2, LED3 }; void led_on(int num) { if (num < 4) AT91C_BASE_PIOC->PIO_CODR = m_leds[num]; } void led_off(int num) { if (num < 4) AT91C_BASE_PIOC->PIO_SODR = m_leds[num]; }