Exemple #1
0
__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);

}
Exemple #2
0
float test_rmat_comp_inv(struct FloatRMat ma2c_f, struct FloatRMat mb2c_f, int display) {

    struct FloatRMat ma2b_f;
    FLOAT_RMAT_COMP_INV(ma2b_f, ma2c_f, mb2c_f);
    struct Int32RMat ma2c_i;
    RMAT_BFP_OF_REAL(ma2c_i, ma2c_f);
    struct Int32RMat mb2c_i;
    RMAT_BFP_OF_REAL(mb2c_i, mb2c_f);
    struct Int32RMat ma2b_i;
    INT32_RMAT_COMP_INV(ma2b_i, ma2c_i, mb2c_i);

    struct FloatRMat err;
    RMAT_DIFF(err, ma2b_f, ma2b_i);
    float norm_err = FLOAT_RMAT_NORM(err);

    if (display) {
        printf("rmap comp_inv\n");
        DISPLAY_FLOAT_RMAT_AS_EULERS_DEG("a2cf", ma2b_f);
        DISPLAY_INT32_RMAT_AS_EULERS_DEG("a2ci", ma2b_i);
    }

    return norm_err;

}
Exemple #3
0
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);

}