Files
sunnypilot/selfdrive/locationd/models/gnss_helpers.py
Gijs Koning 5494622601 Improve laikad cpu usage. Less pos fix. Less local imports (#24887)
* Improve laikad cpu usage. Less pos fix. Not local imports

* Add laika to files_common

* Add laika to dockerfile sim

* Fix

* Fix

* undo
old-commit-hash: 1c4b145aa4
2022-06-20 14:24:11 +02:00

20 lines
685 B
Python

import numpy as np
from laika.raw_gnss import GNSSMeasurement
def parse_prr(m):
sat_pos_vel_i = np.concatenate((m[GNSSMeasurement.SAT_POS],
m[GNSSMeasurement.SAT_VEL]))
R_i = np.atleast_2d(m[GNSSMeasurement.PRR_STD]**2)
z_i = m[GNSSMeasurement.PRR]
return z_i, R_i, sat_pos_vel_i
def parse_pr(m):
pseudorange = m[GNSSMeasurement.PR]
pseudorange_stdev = m[GNSSMeasurement.PR_STD]
sat_pos_freq_i = np.concatenate((m[GNSSMeasurement.SAT_POS],
np.array([m[GNSSMeasurement.GLONASS_FREQ]])))
z_i = np.atleast_1d(pseudorange)
R_i = np.atleast_2d(pseudorange_stdev**2)
return z_i, R_i, sat_pos_freq_i