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							117 lines
						
					
					
						
							4.1 KiB
						
					
					
				
			
		
		
	
	
							117 lines
						
					
					
						
							4.1 KiB
						
					
					
				| #!/usr/bin/env python3
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| import unittest
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| import time
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| import numpy as np
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| 
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| from laika import AstroDog
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| from laika.helpers import ConstellationId
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| from laika.raw_gnss import correct_measurements, process_measurements, read_raw_ublox
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| from laika.opt import calc_pos_fix
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| from openpilot.selfdrive.test.openpilotci import get_url
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| from openpilot.system.hardware.hw import Paths
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| from openpilot.tools.lib.logreader import LogReader
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| from openpilot.selfdrive.test.helpers import with_processes
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| import cereal.messaging as messaging
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| 
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| def get_gnss_measurements(log_reader):
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|   gnss_measurements = []
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|   for msg in log_reader:
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|     if msg.which() == "ubloxGnss":
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|       ublox_msg = msg.ubloxGnss
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|       if ublox_msg.which == 'measurementReport':
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|         report = ublox_msg.measurementReport
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|         if len(report.measurements) > 0:
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|           gnss_measurements.append(read_raw_ublox(report))
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|   return gnss_measurements
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| 
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| def get_ublox_raw(log_reader):
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|   ublox_raw = []
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|   for msg in log_reader:
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|     if msg.which() == "ubloxRaw":
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|       ublox_raw.append(msg)
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|   return ublox_raw
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| 
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| class TestUbloxProcessing(unittest.TestCase):
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|   NUM_TEST_PROCESS_MEAS = 10
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| 
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|   @classmethod
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|   def setUpClass(cls):
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|     lr = LogReader(get_url("4cf7a6ad03080c90|2021-09-29--13-46-36", 0))
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|     cls.gnss_measurements = get_gnss_measurements(lr)
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| 
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|     # test gps ephemeris continuity check (drive has ephemeris issues with cutover data)
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|     lr = LogReader(get_url("37b6542f3211019a|2023-01-15--23-45-10", 14))
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|     cls.ublox_raw = get_ublox_raw(lr)
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| 
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|   def test_read_ublox_raw(self):
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|     count_gps = 0
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|     count_glonass = 0
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|     for measurements in self.gnss_measurements:
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|       for m in measurements:
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|         if m.constellation_id == ConstellationId.GPS:
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|           count_gps += 1
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|         elif m.constellation_id == ConstellationId.GLONASS:
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|           count_glonass += 1
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| 
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|     self.assertEqual(count_gps, 5036)
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|     self.assertEqual(count_glonass, 3651)
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| 
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|   def test_get_fix(self):
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|     dog = AstroDog(cache_dir=Paths.download_cache_root())
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|     position_fix_found = 0
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|     count_processed_measurements = 0
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|     count_corrected_measurements = 0
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|     position_fix_found_after_correcting = 0
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| 
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|     pos_ests = []
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|     for measurements in self.gnss_measurements[:self.NUM_TEST_PROCESS_MEAS]:
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|       processed_meas = process_measurements(measurements, dog)
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|       count_processed_measurements += len(processed_meas)
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|       pos_fix = calc_pos_fix(processed_meas)
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|       if len(pos_fix) > 0 and all(p != 0 for p in pos_fix[0]):
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|         position_fix_found += 1
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| 
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|         corrected_meas = correct_measurements(processed_meas, pos_fix[0][:3], dog)
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|         count_corrected_measurements += len(corrected_meas)
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| 
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|         pos_fix = calc_pos_fix(corrected_meas)
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|         if len(pos_fix) > 0 and all(p != 0 for p in pos_fix[0]):
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|           pos_ests.append(pos_fix[0])
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|           position_fix_found_after_correcting += 1
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| 
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|     mean_fix = np.mean(np.array(pos_ests)[:, :3], axis=0)
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|     np.testing.assert_allclose(mean_fix, [-2452306.662377, -4778343.136806, 3428550.090557], rtol=0, atol=1)
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| 
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|     # Note that can happen that there are less corrected measurements compared to processed when they are invalid.
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|     # However, not for the current segment
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|     self.assertEqual(position_fix_found, self.NUM_TEST_PROCESS_MEAS)
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|     self.assertEqual(position_fix_found_after_correcting, self.NUM_TEST_PROCESS_MEAS)
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|     self.assertEqual(count_processed_measurements, 69)
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|     self.assertEqual(count_corrected_measurements, 69)
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| 
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|   @with_processes(['ubloxd'])
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|   def test_ublox_gps_cutover(self):
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|     time.sleep(2)
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|     ugs = messaging.sub_sock("ubloxGnss", timeout=0.1)
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|     ur_pm = messaging.PubMaster(['ubloxRaw'])
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| 
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|     def replay_segment():
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|       rcv_msgs = []
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|       for msg in self.ublox_raw:
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|         ur_pm.send(msg.which(), msg.as_builder())
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|         time.sleep(0.001)
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|         rcv_msgs += messaging.drain_sock(ugs)
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| 
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|       time.sleep(0.1)
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|       rcv_msgs += messaging.drain_sock(ugs)
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|       return rcv_msgs
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| 
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|     # replay twice to enforce cutover data on rewind
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|     rcv_msgs = replay_segment()
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|     rcv_msgs += replay_segment()
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| 
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|     ephems_cnt = sum(m.ubloxGnss.which() == 'ephemeris' for m in rcv_msgs)
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|     self.assertEqual(ephems_cnt, 15)
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| 
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| if __name__ == "__main__":
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|   unittest.main()
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| 
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