ardupilot/libraries/AP_Compass/AP_Compass_Backend.h
Víctor Mayoral Vilches 13f0aa5ecd AP_Compass: Separate common code into backend
_copy_to_frontend function takes care of abstracting
this code from the driver. For now the function takes
care of the offset and rotation that is common.
2015-03-13 18:46:15 +11:00

56 lines
1.7 KiB
C++

// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
Compass driver backend class. Each supported compass sensor type
needs to have an object derived from this class.
*/
#ifndef __AP_COMPASS_BACKEND_H__
#define __AP_COMPASS_BACKEND_H__
#include "Compass.h"
class Compass; // forward declaration
class AP_Compass_Backend
{
public:
AP_Compass_Backend(Compass &compass);
// we declare a virtual destructor so that drivers can
// override with a custom destructor if need be.
virtual ~AP_Compass_Backend(void) {}
// initialize the magnetometers
virtual bool init(void) = 0;
// read sensor data
virtual bool read(void) = 0;
// accumulate a reading from the magnetometer
virtual void accumulate(void) = 0;
int16_t product_id; /// product id
protected:
virtual bool read_raw(void) = 0;
virtual bool re_initialise(void) = 0;
Compass &_compass; ///< access to frontend
void _copy_to_frontend(uint8_t instance);
};
#endif // __AP_COMPASS_BACKEND_H__