static void test_10(void) {
struct FloatEulers euler;
EULERS_ASSIGN(euler , RadOfDeg(0.), RadOfDeg(10.), RadOfDeg(0.));
DISPLAY_FLOAT_EULERS_DEG("euler", euler);
struct FloatQuat quat;
FLOAT_QUAT_OF_EULERS(quat, euler);
DISPLAY_FLOAT_QUAT("####quat", quat);
struct Int32Eulers euleri;
EULERS_BFP_OF_REAL(euleri, euler);
DISPLAY_INT32_EULERS("euleri", euleri);
struct Int32Quat quati;
INT32_QUAT_OF_EULERS(quati, euleri);
DISPLAY_INT32_QUAT("####quat", quati);
struct Int32RMat rmati;
INT32_RMAT_OF_EULERS(rmati, euleri);
DISPLAY_INT32_RMAT("####rmat", rmati);
struct Int32Quat quat_ltp_to_body;
struct Int32Quat body_to_imu_quat;
INT32_QUAT_ZERO( body_to_imu_quat);
INT32_QUAT_COMP_INV(quat_ltp_to_body, body_to_imu_quat, quati);
DISPLAY_INT32_QUAT("####quat_ltp_to_body", quat_ltp_to_body);
}
__attribute__ ((always_inline)) static inline void compute_body_orientation(void) {
/* Compute LTP to BODY quaternion */
INT32_QUAT_COMP_INV(ahrs.ltp_to_body_quat, ahrs.ltp_to_imu_quat, imu.body_to_imu_quat);
/* Compute LTP to BODY rotation matrix */
INT32_RMAT_COMP_INV(ahrs.ltp_to_body_rmat, ahrs.ltp_to_imu_rmat, imu.body_to_imu_rmat);
/* compute LTP to BODY eulers */
INT32_EULERS_OF_RMAT(ahrs.ltp_to_body_euler, ahrs.ltp_to_body_rmat);
/* compute body rates */
INT32_RMAT_TRANSP_RATEMULT(ahrs.body_rate, imu.body_to_imu_rmat, ahrs.imu_rate);
}
void stabilization_attitude_run(bool_t enable_integrator) {
/*
* Update reference
*/
stabilization_attitude_ref_update();
/*
* Compute errors for feedback
*/
/* attitude error */
struct Int32Quat att_err;
INT32_QUAT_INV_COMP(att_err, ahrs.ltp_to_body_quat, stab_att_ref_quat);
/* wrap it in the shortest direction */
INT32_QUAT_WRAP_SHORTEST(att_err);
INT32_QUAT_NORMALIZE(att_err);
/* rate error */
struct Int32Rates rate_err;
RATES_DIFF(rate_err, ahrs.body_rate, stab_att_ref_rate);
/* integrated error */
if (enable_integrator) {
struct Int32Quat new_sum_err, scaled_att_err;
/* update accumulator */
scaled_att_err.qi = att_err.qi;
scaled_att_err.qx = att_err.qx / IERROR_SCALE;
scaled_att_err.qy = att_err.qy / IERROR_SCALE;
scaled_att_err.qz = att_err.qz / IERROR_SCALE;
INT32_QUAT_COMP_INV(new_sum_err, stabilization_att_sum_err_quat, scaled_att_err);
INT32_QUAT_NORMALIZE(new_sum_err);
QUAT_COPY(stabilization_att_sum_err_quat, new_sum_err);
INT32_EULERS_OF_QUAT(stabilization_att_sum_err, stabilization_att_sum_err_quat);
} else {
/* reset accumulator */
INT32_QUAT_ZERO( stabilization_att_sum_err_quat );
INT_EULERS_ZERO( stabilization_att_sum_err );
}
attitude_run_ff(stabilization_att_ff_cmd, current_stabilization_gains, &stab_att_ref_accel);
attitude_run_fb(stabilization_att_fb_cmd, current_stabilization_gains, &att_err, &rate_err, &stabilization_att_sum_err_quat);
for (int i = COMMAND_ROLL; i <= COMMAND_YAW; i++) {
stabilization_cmd[i] = stabilization_att_fb_cmd[i]+stabilization_att_ff_cmd[i];
Bound(stabilization_cmd[i], -200, 200);
}
}
float test_quat_comp_inv(struct FloatQuat qa2c_f, struct FloatQuat qb2c_f, int display) {
struct FloatQuat qa2b_f;
FLOAT_QUAT_COMP_INV(qa2b_f, qa2c_f, qb2c_f);
struct Int32Quat qa2c_i;
QUAT_BFP_OF_REAL(qa2c_i, qa2c_f);
struct Int32Quat qb2c_i;
QUAT_BFP_OF_REAL(qb2c_i, qb2c_f);
struct Int32Quat qa2b_i;
INT32_QUAT_COMP_INV(qa2b_i, qa2c_i, qb2c_i);
struct FloatQuat err;
QUAT_DIFF(err, qa2b_f, qa2b_i);
float norm_err = FLOAT_QUAT_NORM(err);
if (display) {
printf("quat comp_inv\n");
DISPLAY_FLOAT_QUAT_AS_EULERS_DEG("a2bf", qa2b_f);
DISPLAY_INT32_QUAT_AS_EULERS_DEG("a2bi", qa2b_i);
}
return norm_err;
}
static void test_3(void) {
/* Compute BODY to IMU eulers */
struct Int32Eulers b2i_e;
EULERS_ASSIGN(b2i_e, ANGLE_BFP_OF_REAL(RadOfDeg(10.66)), ANGLE_BFP_OF_REAL(RadOfDeg(-0.7)), ANGLE_BFP_OF_REAL(RadOfDeg(0.)));
DISPLAY_INT32_EULERS_AS_FLOAT_DEG("b2i_e", b2i_e);
/* Compute BODY to IMU quaternion */
struct Int32Quat b2i_q;
INT32_QUAT_OF_EULERS(b2i_q, b2i_e);
DISPLAY_INT32_QUAT_AS_EULERS_DEG("b2i_q", b2i_q);
// INT32_QUAT_NORMALIZE(b2i_q);
// DISPLAY_INT32_QUAT_AS_EULERS_DEG("b2i_q_n", b2i_q);
/* Compute BODY to IMU rotation matrix */
struct Int32RMat b2i_r;
INT32_RMAT_OF_EULERS(b2i_r, b2i_e);
// DISPLAY_INT32_RMAT("b2i_r", b2i_r);
DISPLAY_INT32_RMAT_AS_EULERS_DEG("b2i_r", b2i_r);
/* Compute LTP to IMU eulers */
struct Int32Eulers l2i_e;
EULERS_ASSIGN(l2i_e, ANGLE_BFP_OF_REAL(RadOfDeg(0.)), ANGLE_BFP_OF_REAL(RadOfDeg(20.)), ANGLE_BFP_OF_REAL(RadOfDeg(0.)));
DISPLAY_INT32_EULERS_AS_FLOAT_DEG("l2i_e", l2i_e);
/* Compute LTP to IMU quaternion */
struct Int32Quat l2i_q;
INT32_QUAT_OF_EULERS(l2i_q, l2i_e);
DISPLAY_INT32_QUAT_AS_EULERS_DEG("l2i_q", l2i_q);
/* Compute LTP to IMU rotation matrix */
struct Int32RMat l2i_r;
INT32_RMAT_OF_EULERS(l2i_r, l2i_e);
// DISPLAY_INT32_RMAT("l2i_r", l2i_r);
DISPLAY_INT32_RMAT_AS_EULERS_DEG("l2i_r", l2i_r);
/* again but from quaternion */
struct Int32RMat l2i_r2;
INT32_RMAT_OF_QUAT(l2i_r2, l2i_q);
// DISPLAY_INT32_RMAT("l2i_r2", l2i_r2);
DISPLAY_INT32_RMAT_AS_EULERS_DEG("l2i_r2", l2i_r2);
/* Compute LTP to BODY quaternion */
struct Int32Quat l2b_q;
INT32_QUAT_COMP_INV(l2b_q, b2i_q, l2i_q);
DISPLAY_INT32_QUAT_AS_EULERS_DEG("l2b_q", l2b_q);
/* Compute LTP to BODY rotation matrix */
struct Int32RMat l2b_r;
INT32_RMAT_COMP_INV(l2b_r, l2i_r, b2i_r);
// DISPLAY_INT32_RMAT("l2b_r", l2b_r);
DISPLAY_INT32_RMAT_AS_EULERS_DEG("l2b_r2", l2b_r);
/* again but from quaternion */
struct Int32RMat l2b_r2;
INT32_RMAT_OF_QUAT(l2b_r2, l2b_q);
// DISPLAY_INT32_RMAT("l2b_r2", l2b_r2);
DISPLAY_INT32_RMAT_AS_EULERS_DEG("l2b_r2", l2b_r2);
/* compute LTP to BODY eulers */
struct Int32Eulers l2b_e;
INT32_EULERS_OF_RMAT(l2b_e, l2b_r);
DISPLAY_INT32_EULERS_AS_FLOAT_DEG("l2b_e", l2b_e);
/* again but from quaternion */
struct Int32Eulers l2b_e2;
INT32_EULERS_OF_QUAT(l2b_e2, l2b_q);
DISPLAY_INT32_EULERS_AS_FLOAT_DEG("l2b_e2", l2b_e2);
}
