mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-07-15 04:20:35 +08:00
Daniel Agar
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/****************************************************************************
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*
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* Copyright (c) 2016 PX4 Development Team. All rights reserved.
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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 PX4 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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* @file px4same70xplained_led.c
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*
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* PX4_SAME70XPLAINED_V1 LED backend.
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*/
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#include <px4_config.h>
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#include <stdbool.h>
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#include "sam_gpio.h"
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include "board_config.h"
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/*
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* Ideally we'd be able to get these from up_internal.h,
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* but since we want to be able to disable the NuttX use
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* of leds for system indication at will and there is no
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* separate switch, we need to build independent of the
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* CONFIG_ARCH_LEDS configuration switch.
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*/
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__BEGIN_DECLS
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extern void led_init(void);
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extern void led_on(int led);
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extern void led_off(int led);
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extern void led_toggle(int led);
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__END_DECLS
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__EXPORT void led_init()
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{
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/* Configure LED1 GPIO for output */
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sam_configgpio(GPIO_LED1);
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}
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__EXPORT void led_on(int led)
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{
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if (led == 1) {
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/* Pull down to switch on */
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sam_gpiowrite(GPIO_LED1, false);
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}
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}
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__EXPORT void led_off(int led)
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{
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if (led == 1) {
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/* Pull up to switch off */
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sam_gpiowrite(GPIO_LED1, true);
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}
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}
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__EXPORT void led_toggle(int led)
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{
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if (led == 1) {
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if (sam_gpioread(GPIO_LED1)) {
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sam_gpiowrite(GPIO_LED1, false);
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} else {
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sam_gpiowrite(GPIO_LED1, true);
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}
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}
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}
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#if defined(CONFIG_ARCH_LEDS)
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/****************************************************************************
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* Name: board_autoled_initialize
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****************************************************************************/
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void board_autoled_initialize(void)
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{
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led_init();
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}
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/****************************************************************************
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* Name: board_autoled_on
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****************************************************************************/
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void board_autoled_on(int led)
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{
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if (led == 1 || led == 3) {
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sam_gpiowrite(GPIO_LED1, false); /* Low illuminates */
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}
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}
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/****************************************************************************
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* Name: board_autoled_off
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****************************************************************************/
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void board_autoled_off(int led)
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{
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if (led == 3) {
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sam_gpiowrite(GPIO_LED1, true); /* High extinguishes */
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}
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}
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#endif
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