Laikad: fix qcom report collection (#28879)

* Make report aggregation variable

* Add laikad test now it passes

---------

Co-authored-by: Comma Device <device@comma.ai>

selfdrive/locationd/laikad.py

@@ -103,6 +103,10 @@ class Laikad:
     self.first_log_time = None
     self.ttff = -1
 
+    # qcom specific stuff
+    self.qcom_reports_received = 1
+    self.qcom_reports = []
+
   def load_cache(self):
     if not self.save_ephemeris:
       return
@@ -211,18 +215,19 @@ class Laikad:
 
   def read_report(self, gnss_msg):
     if self.use_qcom:
-      # QCOM reports are per constellation, should always send 3 reports
+      # QCOM reports are per constellation, so we need to aggregate them
       report = gnss_msg.drMeasurementReport
       report_time = self.gps_time_from_qcom_report(gnss_msg)
 
       if report_time - self.last_report_time > 0:
+        self.qcom_reports_received = max(1, len(self.qcom_reports))
         self.qcom_reports = [report]
       else:
         self.qcom_reports.append(report)
       self.last_report_time = report_time
 
       new_meas = []
-      if len(self.qcom_reports) == 3:
+      if len(self.qcom_reports) == self.qcom_reports_received:
         for report in self.qcom_reports:
           new_meas.extend(read_raw_qcom(report))
 

system/sensord/rawgps/test_rawgps.py

@@ -5,12 +5,13 @@ import time
 import datetime
 import unittest
 import subprocess
+import numpy as np
 
 import cereal.messaging as messaging
 from system.hardware import TICI
 from system.sensord.rawgps.rawgpsd import at_cmd
 from selfdrive.manager.process_config import managed_processes
-
+from common.transformations.coordinates import ecef_from_geodetic
 
 GOOD_SIGNAL = bool(int(os.getenv("GOOD_SIGNAL", '0')))
 UPDATE_MS = 100
@@ -106,14 +107,17 @@ class TestRawgpsd(unittest.TestCase):
     at_cmd("AT+QGPSDEL=0")
 
     managed_processes['rawgpsd'].start()
-    #managed_processes['laikad'].start()
+    managed_processes['laikad'].start()
     assert self._wait_for_location(120)
     assert self.sm_gps_location['gpsLocation'].flags == 1
-    #module_fix = [self.sm['gpsLocation'].latitude, self.sm['gpsLocation'].longitude, self.sm['gpsLocation'].altitude]
+    module_fix = ecef_from_geodetic([self.sm_gps_location['gpsLocation'].latitude,
-    #assert self._wait_for_laikad_location(90)
+                                     self.sm_gps_location['gpsLocation'].longitude,
-    #assert self.sm['gnssMeasurements'].flags == 1
+                                     self.sm_gps_location['gpsLocation'].altitude])
-    #print(self.sm_gnss_measurements['gnssMeasurements'])
+    assert self._wait_for_laikad_location(90)
-    #managed_processes['laikad'].stop()
+    total_diff = np.array(self.sm_gnss_measurements['gnssMeasurements'].positionECEF.value) - module_fix
+    print(total_diff)
+    self.assertLess(np.linalg.norm(total_diff), 100)
+    managed_processes['laikad'].stop()
     managed_processes['rawgpsd'].stop()
 
 if __name__ == "__main__":