status_display.cpp
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/****************************************************************************
*
* Copyright (c) 2017 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 status_display.cpp
* Status Display: this decouples the LED and tune logic from the control logic in commander
*
* @author Simone Guscetti <simone@px4.io>
* @author Beat Küng <beat-kueng@gmx.net>
* @editor Christoph Tobler <christoph@px4.io>
*/
#include "status_display.h"
#include <drivers/drv_led.h>
namespace events
{
namespace status
{
StatusDisplay::StatusDisplay()
{
// set the base color
_led_control.priority = 0;
_led_control.led_mask = 0xff;
_led_control.color = led_control_s::COLOR_CYAN;
_led_control.mode = led_control_s::MODE_ON;
publish();
_led_control.priority = 1;
_led_control.num_blinks = 0; // infinite blinking
}
bool StatusDisplay::check_for_updates()
{
bool got_updates = false;
if (_battery_status_sub.update()) {
got_updates = true;
}
if (_cpu_load_sub.update()) {
got_updates = true;
}
if (_vehicle_status_flags_sub.update()) {
got_updates = true;
}
if (_vehicle_status_sub.update()) {
got_updates = true;
}
return got_updates;
}
void StatusDisplay::process()
{
if (!check_for_updates()) {
return;
}
set_leds();
}
void StatusDisplay::publish()
{
_led_control.timestamp = hrt_absolute_time();
_led_control_pub.publish(_led_control);
}
} /* namespace status */
} /* namespace events */