drv_board_led.h

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/****************************************************************************
 *
 *   Copyright (C) 2012 PX4 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 PX4 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
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#pragma once

#include <px4_defines.h>
#include <stdint.h>
#include <sys/ioctl.h>

#define LED_BASE_DEVICE_PATH        "/dev/led"
#define LED0_DEVICE_PATH        "/dev/led0"

#define _LED_BASE       0x2800

/* PX4 LED colour codes */
#define LED_AMBER       1
#define LED_RED         1   /* some boards have red rather than amber */
#define LED_BLUE        0
#define LED_SAFETY      2
#define LED_GREEN       3


#define LED_ON          _PX4_IOC(_LED_BASE, 0)
#define LED_OFF         _PX4_IOC(_LED_BASE, 1)
#define LED_TOGGLE      _PX4_IOC(_LED_BASE, 2)

__BEGIN_DECLS

/*
 * Initialise the LED driver.
 */
__EXPORT void drv_led_start(void);

__END_DECLS