px4-firmware/apps/uORB/topics/battery_status.h

68 lines
2.4 KiB
C

/****************************************************************************
*
* Copyright (C) 2012-2013 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 battery_status.h
*
* Definition of the battery status uORB topic.
*/
#ifndef BATTERY_STATUS_H_
#define BATTERY_STATUS_H_
#include "../uORB.h"
#include <stdint.h>
/**
* @addtogroup topics
* @{
*/
/**
* Battery voltages and status
*/
struct battery_status_s {
uint64_t timestamp; /**< microseconds since system boot, needed to integrate */
float voltage_v; /**< Battery voltage in volts, filtered */
float current_a; /**< Battery current in amperes, filtered, -1 if unknown */
float discharged_mah; /**< Discharged amount in mAh, filtered, -1 if unknown */
};
/**
* @}
*/
/* register this as object request broker structure */
ORB_DECLARE(battery_status);
#endif