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LibrePilot/flight/modules/PathFollower/inc/vtolautotakeofffsm.h

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/**
******************************************************************************
* @addtogroup LibrePilotModules LibrePilot Modules
* @{
* @addtogroup PathFollower FSM
* @brief Executes landing sequence via an FSM
* @{
*
* @file vtollandfsm.h
* @author The LibrePilot Project, http://www.librepilot.org Copyright (C) 2016.
* The OpenPilot Team, http://www.openpilot.org Copyright (C) 2015.
* @brief Executes FSM for landing sequence
*
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef VTOLAUTOTAKEOFFFSM_H
#define VTOLAUTOTAKEOFFFSM_H
extern "C" {
#include "statusvtolautotakeoff.h"
}
#include "pathfollowerfsm.h"
// AutoTakeoffing state machine
typedef enum {
AUTOTAKEOFF_STATE_INACTIVE = 0, // Inactive state is the initialised state on startup
AUTOTAKEOFF_STATE_CHECKSTATE, // Initial condition checks
AUTOTAKEOFF_STATE_SLOWSTART, // Slow start motors
AUTOTAKEOFF_STATE_THRUSTUP, // Ramp motors up to neutral thrust
AUTOTAKEOFF_STATE_TAKEOFF, // Ascend to target velocity
AUTOTAKEOFF_STATE_HOLD, // Hold position as completion of the sequence
AUTOTAKEOFF_STATE_THRUSTDOWN, // Thrust down sequence
AUTOTAKEOFF_STATE_THRUSTOFF, // Thrust is now off
AUTOTAKEOFF_STATE_DISARMED, // Disarmed
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AUTOTAKEOFF_STATE_ABORT, // Abort on error triggers fallback to land
AUTOTAKEOFF_STATE_SIZE
} PathFollowerFSM_AutoTakeoffState_T;
class VtolAutoTakeoffFSM : public PathFollowerFSM {
private:
static VtolAutoTakeoffFSM *p_inst;
VtolAutoTakeoffFSM();
public:
static VtolAutoTakeoffFSM *instance()
{
if (!p_inst) {
p_inst = new VtolAutoTakeoffFSM();
}
return p_inst;
}
int32_t Initialize(VtolPathFollowerSettingsData *vtolPathFollowerSettings,
PathDesiredData *pathDesired,
FlightStatusData *flightStatus);
void Inactive(void);
void Activate(void);
void Update(void);
void BoundThrust(float &ulow, float &uhigh);
PathFollowerFSMState_T GetCurrentState(void);
void ConstrainStabiDesired(StabilizationDesiredData *stabDesired);
uint8_t PositionHoldState(void);
void setControlState(StatusVtolAutoTakeoffControlStateOptions controlState);
protected:
// FSM instance data type
typedef struct {
StatusVtolAutoTakeoffData fsmAutoTakeoffStatus;
StatusVtolAutoTakeoffStateOptions currentState;
TakeOffLocationData takeOffLocation;
uint32_t stateRunCount;
uint32_t stateTimeoutCount;
float sum1;
float sum2;
float expectedAutoTakeoffPositionNorth;
float expectedAutoTakeoffPositionEast;
float thrustLimit;
float boundThrustMin;
float boundThrustMax;
uint8_t observationCount;
uint8_t observation2Count;
uint8_t flZeroStabiHorizontal;
uint8_t flConstrainThrust;
uint8_t flLowAltitude;
uint8_t flAltitudeHold;
} VtolAutoTakeoffFSMData_T;
// FSM state structure
typedef struct {
void(VtolAutoTakeoffFSM::*setup) (void); // Called to initialise the state
void(VtolAutoTakeoffFSM::*run) (uint8_t); // Run the event detection code for a state
} PathFollowerFSM_AutoTakeoffStateHandler_T;
// Private variables
VtolAutoTakeoffFSMData_T *mAutoTakeoffData;
VtolPathFollowerSettingsData *vtolPathFollowerSettings;
PathDesiredData *pathDesired;
FlightStatusData *flightStatus;
void setup_inactive(void);
void setup_checkstate(void);
void setup_slowstart(void);
void run_slowstart(uint8_t);
void setup_takeoff(void);
void run_takeoff(uint8_t);
void setup_hold(void);
void run_hold(uint8_t);
void setup_thrustup(void);
void run_thrustup(uint8_t);
void setup_thrustdown(void);
void run_thrustdown(uint8_t);
void setup_thrustoff(void);
void run_thrustoff(uint8_t);
void setup_disarmed(void);
void run_disarmed(uint8_t);
void initFSM(void);
void setState(StatusVtolAutoTakeoffStateOptions newState, StatusVtolAutoTakeoffStateExitReasonOptions reason);
int32_t runState();
int32_t runAlways();
void updateVtolAutoTakeoffFSMStatus();
void assessAltitude(void);
void setStateTimeout(int32_t count);
static PathFollowerFSM_AutoTakeoffStateHandler_T sAutoTakeoffStateTable[AUTOTAKEOFF_STATE_SIZE];
};
#endif // VTOLAUTOTAKEOFFFSM_H