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px4-firmware
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added setter and getter functions for use with euroc-gazebo simulator

This commit is contained in:
Roman Bapst 2014-11-12 16:01:36 +01:00
parent 647ec65bd0
commit 44127363b1
2 changed files with 63 additions and 0 deletions
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57
src/modules/fw_att_control/fw_att_control_base.cpp
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@ -267,3 +267,60 @@ void FixedwingAttitudeControlBase::control_attitude() {
} }
} }
void FixedwingAttitudeControlBase::set_attitude(const Eigen::Quaternion<double> attitude) {
// watch out, still need to see where we modify attitude for the tailsitter case
math::Quaternion quat;
quat(0) = (float)attitude.w();
quat(1) = (float)attitude.x();
quat(2) = (float)attitude.y();
quat(3) = (float)attitude.z();
_att.q[0] = quat(0);
_att.q[1] = quat(1);
_att.q[2] = quat(2);
_att.q[3] = quat(3);
math::Matrix<3,3> Rot = quat.to_dcm();
_att.R[0][0] = Rot(0,0);
_att.R[1][0] = Rot(1,0);
_att.R[2][0] = Rot(2,0);
_att.R[0][1] = Rot(0,1);
_att.R[1][1] = Rot(1,1);
_att.R[2][1] = Rot(2,1);
_att.R[0][2] = Rot(0,2);
_att.R[1][2] = Rot(1,2);
_att.R[2][2] = Rot(2,2);
_att.R_valid = true;
}
void FixedwingAttitudeControlBase::set_attitude_rates(const Eigen::Vector3d& angular_rate) {
_att.rollspeed = angular_rate(0);
_att.pitchspeed = angular_rate(1);
_att.yawspeed = angular_rate(2);
}
void FixedwingAttitudeControlBase::set_attitude_reference(const Eigen::Vector4d& control_attitude_thrust_reference) {
_att_sp.roll_body = control_attitude_thrust_reference(0);
_att_sp.pitch_body = control_attitude_thrust_reference(1);
_att_sp.yaw_body = control_attitude_thrust_reference(2);
_att_sp.thrust = (control_attitude_thrust_reference(3) -30)*(-1)/30;
// setup rotation matrix
math::Matrix<3,3> Rot_sp;
Rot_sp.from_euler(_att_sp.roll_body,_att_sp.pitch_body,_att_sp.yaw_body);
_att_sp.R_body[0][0] = Rot_sp(0,0);
_att_sp.R_body[1][0] = Rot_sp(1,0);
_att_sp.R_body[2][0] = Rot_sp(2,0);
_att_sp.R_body[0][1] = Rot_sp(0,1);
_att_sp.R_body[1][1] = Rot_sp(1,1);
_att_sp.R_body[2][1] = Rot_sp(2,1);
_att_sp.R_body[0][2] = Rot_sp(0,2);
_att_sp.R_body[1][2] = Rot_sp(1,2);
_att_sp.R_body[2][2] = Rot_sp(2,2);
}
void FixedwingAttitudeControlBase::get_mixer_input(Eigen::Vector4d& motor_inputs) {
motor_inputs(0) = _actuators.control[0];
motor_inputs(1) = _actuators.control[1];
motor_inputs(2) = _actuators.control[2];
motor_inputs(3) = _actuators.control[3];
}

6
src/modules/fw_att_control/fw_att_control_base.h
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@ -140,6 +140,12 @@ protected:
void control_attitude(); void control_attitude();
// setters and getters for interface with euroc-gazebo simulator
void set_attitude(const Eigen::Quaternion<double> attitude);
void set_attitude_rates(const Eigen::Vector3d& angular_rate);
void set_attitude_reference(const Eigen::Vector4d& control_attitude_thrust_reference);
void get_mixer_input(Eigen::Vector4d& motor_inputs);
}; };
#endif /* FW_ATT_CONTROL_BASE_H_ */ #endif /* FW_ATT_CONTROL_BASE_H_ */