diff options
Diffstat (limited to 'src/drivers/drv_led.h')
-rw-r--r-- | src/drivers/drv_led.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/drivers/drv_led.h b/src/drivers/drv_led.h new file mode 100644 index 000000000..21044f620 --- /dev/null +++ b/src/drivers/drv_led.h @@ -0,0 +1,65 @@ +/**************************************************************************** + * + * 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 + * "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 drv_led.h + * + * LED driver API + */ + +#pragma once + +#include <stdint.h> +#include <sys/ioctl.h> + +#define LED_DEVICE_PATH "/dev/led" + +#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_ON _IOC(_LED_BASE, 0) +#define LED_OFF _IOC(_LED_BASE, 1) + +__BEGIN_DECLS + +/* + * Initialise the LED driver. + */ +__EXPORT extern void drv_led_start(void); + +__END_DECLS |