/**************************************************************************** * configs/olimex-lpc2378/src/up_leds.c * * Copyright (C) 2010 Rommel Marcelo. All rights reserved. * Author: Rommel Marcelo * * This is part of the NuttX RTOS and based on the LPC2148 port: * * Copyright (C) 2010 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include "chip.h" #include "up_arch.h" #include "up_internal.h" //~ #define LPC23XX_FIO_BASE 0x3fffc000 /* Fast I/O 0 base address */ /**************************************************************************** * Definitions ****************************************************************************/ /* P3.0 : P0.7 PINSEL6 LEDS 1-8 */ #define LEDBIT(led) (0x01 << (led)) #define ALL_LEDS (0xFF) #define STATLED (0x08) //~ #ifdef CONFIG_LPC23XX_FIO # define putled8(v,o) putreg8((v), (LPC23XX_FIO_BASE+(o))) # define putled32(v,r) putreg32((v),(LPC23XX_FIO_BASE+(r))) # define CLRLEDS putled(ALL_LEDS,FIO3CLR0_OFFSET) # define LED_SET_OFFSET FIO3SET0_OFFSET # define LED_CLR_OFFSET FIO3CLR0_OFFSET # define LED_DIR_OFFSET FIO3DIR0_OFFSET # define LED_MASK_OFFSET FIO3MASK0_OFFSET //~ #else //~ # define putled(v,r) putreg32((v),(LPC23XX_GPIO1_BASE+(r))) //~ # define CLRLEDS putled(STATLED,LPC23XX_GPIO1_SET_OFFSET) //~ //~ # define LED_SET_OFFSET LPC23XX_GPIO_SET_OFFSET //~ # define LED_CLR_OFFSET LPC23XX_GPIO_CLR_OFFSET //~ # define LED_DIR_OFFSET LPC23XX_GPIO_DIR_OFFSET //~ #endif /**************************************************************************** * Private Data ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Public Funtions ****************************************************************************/ /**************************************************************************** * Name: up_ledinit ****************************************************************************/ #ifdef CONFIG_ARCH_LEDS void up_ledinit(void) { /* Initilize GIOs P1.16-P1.23 */ putled8(ALL_LEDS, LED_DIR_OFFSET); putled8(ALL_LEDS, LED_CLR_OFFSET); putled8(LEDBIT(0), LED_SET_OFFSET); } /**************************************************************************** * Name: up_ledon ****************************************************************************/ void up_ledon(int led) { putled8(~(LEDBIT(led)), LED_MASK_OFFSET); putled8(LEDBIT(led), LED_SET_OFFSET); } /**************************************************************************** * Name: up_ledoff ****************************************************************************/ void up_ledoff(int led) { putled8(LEDBIT(led), LED_CLR_OFFSET); } /**************************************************************************** * olimex board STATUS LED ****************************************************************************/ void up_statledoff(void) { putled8(~STATLED, FIO1MASK2_OFFSET); putled8(STATLED, FIO1CLR2_OFFSET); } void up_statledon(void) { putled8(~STATLED, FIO1MASK2_OFFSET); putled8(STATLED, FIO1SET2_OFFSET); } #endif /* CONFIG_ARCH_LEDS */