With lock_type

python/PiFinder/gps_fake.py

@@ -15,31 +15,38 @@
 
 # Have a linear count-down in error, simulating a bad fix, that gets better
 
-error_countdown = 100 # 200 * 0.5 = 100 seconds
-error_start = 10_000 # 100 km
-error_stop = 600 # 10s meters
+error_delta = 100 # 200 * 0.5 = 100 seconds
+error_start = 2_000 # 100 km
 lock_at = 1_000 # 1 km
+fix_2d = 500 # m
+fix_3d = 200 # m
+error_stop = 200 # 10s meters
 
 
 def gps_monitor(gps_queue, console_queue, log_queue):
     MultiprocLogging.configurer(log_queue)
     time.sleep(5)
     error_in_m = error_start
-    delta = (error_start - error_stop) / error_countdown
     lock = False
+    lock_type = None
     i = -1
     while True:
         i += 1
         time.sleep(0.5)
         fix = (
             "fix",
-            {"lat": 34.22, "lon": -118.22, "altitude": 22, "source": "fakeGPS", "error_in_m": error_in_m, "lock": lock},
+            {"lat": 34.22, "lon": -118.22, "altitude": 22, "source": "fakeGPS", "error_in_m": error_in_m, "lock": lock, "lock_type": lock_type},
         )
         gps_queue.put(fix)
         if error_in_m < lock_at:
             lock = True
-        if error_in_m > error_stop:
-            error_in_m -= delta
+            lock_type = 0
+        if error_in_m < fix_2d:
+            lock_type = 2
+        if error_in_m < fix_3d:
+            lock_type = 3
+        if error_in_m >= error_stop:
+            error_in_m -= error_delta
 
         tm = (
             "time",