204 lines
6.6 KiB
C
204 lines
6.6 KiB
C
/****************************************************************************
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* configs/lpc4330-xplorer/src/up_autoleds.c
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* arch/arm/src/board/up_autoleds.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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 <stdint.h>
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#include <stdbool.h>
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#include <debug.h>
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#include <arch/board/board.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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#include "xplorer_internal.h"
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#ifdef CONFIG_ARCH_LEDS
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* LED definitions **********************************************************/
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/* The LPC4330-Xplorer has 2 user-controllable LEDs labeled D2 an D3 in the
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* schematic and on but referred to has LED1 and LED2 here, respectively.
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*
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* LED1 D2 GPIO1[12]
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* LED2 D3 GPIO1[11]
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*
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* LEDs are pulled high to a low output illuminates the LED.
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*
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* If CONFIG_ARCH_LEDS is defined, the LEDs will be controlled as follows
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* for NuttX debug functionality (where NC means "No Change").
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*
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* ON OFF
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* LED1 LED2 LED1 LED2
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* LED_STARTED 0 OFF OFF - -
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* LED_HEAPALLOCATE 1 ON OFF - -
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* LED_IRQSENABLED 1 ON OFF - -
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* LED_STACKCREATED 1 ON OFF - -
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* LED_INIRQ 2 NC ON NC OFF
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* LED_SIGNAL 2 NC ON NC OFF
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* LED_ASSERTION 2 NC ON NC OFF
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* LED_PANIC 2 NC ON NC OFF
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*
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* If CONFIG_ARCH_LEDS is not defined, then the LEDs are completely under
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* control of the application. The following interfaces are then available
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* for application control of the LEDs:
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*
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* void lpc43_ledinit(void);
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* void lpc43_setled(int led, bool ledon);
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* void lpc43_setleds(uint8_t ledset);
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*/
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/* Debug definitions ********************************************************/
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/* Enables debug output from this file (needs CONFIG_DEBUG with
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* CONFIG_DEBUG_VERBOSE too)
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*/
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#ifdef CONFIG_DEBUG_LED
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# define leddbg lldbg
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# ifdef CONFIG_DEBUG_VERBOSE
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# define LED_VERBOSE 1
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# define ledvdbg lldbg
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# else
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# undef LED_VERBOSE
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# define ledvdbg(x...)
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# endif
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#else
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# undef LED_VERBOSE
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# define leddbg(x...)
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# define ledvdbg(x...)
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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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* Name: led_dumppins
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****************************************************************************/
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#ifdef LED_VERBOSE
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static void led_dumppins(FAR const char *msg)
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{
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lpc43_dumppinconfig(PINCONFIG_LED1, msg);
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lpc43_dumpgpio(GPIO_LED2, msg);
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}
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#else
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# define led_dumppins(m)
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_ledinit
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****************************************************************************/
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void up_ledinit(void)
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{
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/* Configure all LED pins as GPIO outputs */
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led_dumppins("up_ledinit() Entry)");
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/* Configure LED pins as GPIOs, then configure GPIOs as outputs */
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lpc43_pinconfig(PINCONFIG_LED1);
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lpc43_gpioconfig(GPIO_LED1);
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lpc43_pinconfig(PINCONFIG_LED2);
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lpc43_gpioconfig(GPIO_LED2);
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led_dumppins("up_ledinit() Exit");
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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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switch (led)
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{
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default:
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case 0:
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lpc43_gpiowrite(GPIO_LED1, true); /* LED1 OFF */
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lpc43_gpiowrite(GPIO_LED2, true); /* LED2 OFF */
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break;
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case 1:
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lpc43_gpiowrite(GPIO_LED1, false); /* LED1 ON */
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lpc43_gpiowrite(GPIO_LED2, true); /* LED2 OFF */
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break;
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case 2:
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lpc43_gpiowrite(GPIO_LED2, false); /* LED2 ON */
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break;
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}
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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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switch (led)
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{
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default:
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case 0:
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case 1:
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break;
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case 2:
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lpc43_gpiowrite(GPIO_LED2, true); /* LED2 OFF */
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break;
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}
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}
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#endif /* CONFIG_ARCH_LEDS */
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