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