mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-04-14 10:07:39 +08:00
97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/****************************************************************************
|
|
*
|
|
* Copyright (c) 2015, 2016 Airmind Development Team. All rights reserved.
|
|
*
|
|
* 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 Airmind 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/**
|
|
* @file led.c
|
|
*
|
|
* PX4FMU LED backend.
|
|
*/
|
|
|
|
#include <px4_platform_common/px4_config.h>
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "stm32.h"
|
|
#include "board_config.h"
|
|
|
|
#include <arch/board/board.h>
|
|
|
|
/*
|
|
* Ideally we'd be able to get these from arm_internal.h,
|
|
* but since we want to be able to disable the NuttX use
|
|
* of leds for system indication at will and there is no
|
|
* separate switch, we need to build independent of the
|
|
* CONFIG_ARCH_LEDS configuration switch.
|
|
*/
|
|
__BEGIN_DECLS
|
|
extern void led_init(void);
|
|
extern void led_on(int led);
|
|
extern void led_off(int led);
|
|
extern void led_toggle(int led);
|
|
__END_DECLS
|
|
|
|
__EXPORT void led_init()
|
|
{
|
|
/* Configure LED1 GPIO for output */
|
|
|
|
stm32_configgpio(GPIO_LED1);
|
|
}
|
|
|
|
__EXPORT void led_on(int led)
|
|
{
|
|
if (led == 1) {
|
|
/* Pull down to switch on */
|
|
stm32_gpiowrite(GPIO_LED1, false);
|
|
}
|
|
}
|
|
|
|
__EXPORT void led_off(int led)
|
|
{
|
|
if (led == 1) {
|
|
/* Pull up to switch off */
|
|
stm32_gpiowrite(GPIO_LED1, true);
|
|
}
|
|
}
|
|
|
|
__EXPORT void led_toggle(int led)
|
|
{
|
|
if (led == 1) {
|
|
if (stm32_gpioread(GPIO_LED1)) {
|
|
stm32_gpiowrite(GPIO_LED1, false);
|
|
|
|
} else {
|
|
stm32_gpiowrite(GPIO_LED1, true);
|
|
}
|
|
}
|
|
}
|