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