Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

#251 small fixes after ORP #252

Merged
merged 2 commits into from
Jul 26, 2022
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 1 addition & 15 deletions lemon_pi/car/geometry.py
Original file line number Diff line number Diff line change
Expand Up @@ -96,28 +96,14 @@ def get_point_on_heading(point, heading:float, d=0.05):


def calc_intersect_heading(lat_long1, lat_long2, direction):
a = lat_long1
b = lat_long2
lat = 0
lon = 1

dL = b[lon] - a[lon]
X = cos(b[lat]) * sin(dL)
Y = cos(a[lat]) * sin(b[lat]) - sin(a[lat]) * cos(b[lat]) * cos(dL)
line_heading = degrees(arctan2(X, Y))

# print("got line_heading = {} want {}".format(line_heading, direction))
line_heading = heading_between_lat_long(lat_long2, lat_long1)

line_heading += 360
choice1 = (line_heading + 90)
choice2 = (line_heading - 90)
suggestion = DirectionMap[direction]

# print("suggested angle is close to {}".format(suggestion))
# print("choices are {} or {}".format(choice1 % 360, choice2 % 360))

# print("diff 1 / 2 = {} {}".format(abs(suggestion - choice1), abs(suggestion - choice2)))

if abs(suggestion - choice1 % 360) < abs(suggestion - choice2 % 360):
# print("choosing 1")
return choice1 % 360
Expand Down
54 changes: 10 additions & 44 deletions lemon_pi/car/gps_reader.py
Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
from gps import *

from dateutil import parser
from datetime import datetime, timezone, timedelta
from lemon_pi.car.display_providers import SpeedProvider, PositionProvider
from lemon_pi.car.updaters import PositionUpdater
from threading import Thread
Expand Down Expand Up @@ -39,9 +38,7 @@ def __init__(self, log_to_file=False):
self.position_listener = None
self.log = log_to_file
self.finished = False
self.part_synced = False
self.time_synced = False
self.sequential_timesync_errors = 0
EnterTrackEvent.register_handler(self)
LeaveTrackEvent.register_handler(self)
ExitApplicationEvent.register_handler(self)
Expand Down Expand Up @@ -77,47 +74,17 @@ def run(self) -> None:
if gps_datetime.year < 2021:
logger.debug("time wonky, ignoring")
continue
lag: timedelta = abs(datetime.now(tz=timezone.utc) - gps_datetime)

if self.part_synced:
# we have set the clock to the GPS a moment ago...whatever
# the drift is due to the time taken to set the system clock
logger.info("fine tuning clock from GPS by {}...".format(lag.seconds))
epoch = int(gps_datetime.timestamp()) + lag.seconds
subprocess.run(['sudo', 'date', '-u', '-s' '@{}'.format(epoch)])
logger.info("time adjusted to {}".format(datetime.now()))
self.part_synced = False
self.time_synced = True
self.sequential_timesync_errors = 0
continue

# we find there's a 1s difference between SKY and TPV messages that
# come in. We could ignore SKY, but for now we allow a 4s drift
if lag.total_seconds() > 4:
self.sequential_timesync_errors += 1
if (lag.total_seconds() > 30 or self.sequential_timesync_errors > 30) \
and not self.time_synced:
logger.info("setting clock from GPS...")
epoch = int(gps_datetime.timestamp())
subprocess.run(['sudo', 'date', '-u', '-s' '@{}'.format(epoch)])
self.part_synced = True
logger.info("time corrected to {}".format(datetime.now()))
else:
logger.warning("GPS Data time lag = {} (skipping {}/30)".
format(lag.total_seconds(), self.sequential_timesync_errors))
if lag.total_seconds() > 30 or self.sequential_timesync_errors > 30:
self.time_synced = False
continue
self.sequential_timesync_errors = 0
self.time_synced = True

if session.fix.status == STATUS_NO_FIX:
# losing a gps fix doesn't emit a GPSDisconnected event ..
# we can look into whether it should or not once we have empirical information
logger.warning("no fix...awaiting")
self.time_synced = False
time.sleep(0.5)
continue

self.time_synced = True

if data['class'] == 'TPV':
# assuming its coming in m/s
if not math.isnan(session.fix.speed):
Expand All @@ -140,7 +107,8 @@ def run(self) -> None:
start_time = time.time()
try:
self.position_listener.update_position(self.lat, self.long,
self.heading, time.time(), self.speed_mph)
self.heading, time.time(),
self.speed_mph)
except Exception:
logger.exception("issue with GPS listener.")
finally:
Expand Down Expand Up @@ -189,7 +157,6 @@ def get_gps_position(self) -> GpsPosition:
else:
return None


def is_working(self) -> bool:
return self.working

Expand All @@ -210,14 +177,14 @@ def init_gps_connection(session: gps):
raise Exception("no gps device")
session.send('?WATCH={"enable":true,"json":true}')

def set_cycle(self, delay:float):
def set_cycle(self, delay: float):
if UsbDetector.detected(UsbDevice.GPS):
gps_device = UsbDetector.get(UsbDevice.GPS)
result = subprocess.run(["gpsctl", "-c", str(delay), gps_device],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
logger.info(f"result of setting GPS cycle time = {result.returncode}")

def set_baud(self, baud:int):
def set_baud(self, baud: int):
if UsbDetector.detected(UsbDevice.GPS):
gps_device = UsbDetector.get(UsbDevice.GPS)
result = subprocess.run(["gpsctl", "-s", str(baud), gps_device],
Expand All @@ -234,20 +201,19 @@ def set_baud(self, baud:int):
datefmt='%Y-%m-%d %H:%M:%S',
level=logging.DEBUG)


class FileLogger(PositionUpdater):

def __init__(self):
self.file = open("traces/trace-{}.csv".format(int(time.time())), mode="w")

def update_position(self, lat:float, long:float, heading:float, time:float, speed:int) -> None:
def update_position(self, lat: float, long: float, heading: float, time: float, speed: int) -> None:
self.file.write("{},{},{},{},{}\n".format(time, lat, long, heading, speed))
self.file.flush()


UsbDetector.init()
tracker = GpsReader()
tracker.set_cycle(1.0)
tracker.register_position_listener(FileLogger())
tracker.run()



7 changes: 4 additions & 3 deletions lemon_pi/car/gui.py
Original file line number Diff line number Diff line change
Expand Up @@ -257,9 +257,10 @@ def handle_event(self, event, **kwargs):
return

# go back to the fuel display if we complete a lap and it is not showing.
if event == CompleteLapEvent and not self.col3.visible and not settings.OBD_DISABLED:
self._col_display(3)
return
# PN 7/23/22 disabling as fuel display isn't useful right now
# if event == CompleteLapEvent and not self.col3.visible and not settings.OBD_DISABLED:
# self._col_display(3)
# return

if event == OBDConnectedEvent:
self.obd_image.on()
Expand Down
1 change: 1 addition & 0 deletions lemon_pi/car/main.py
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@
os.mkdir("logs")

lap_file_handler = logging.FileHandler("logs/lap-logger-{}.csv".format(today))
lap_file_handler.setFormatter(logging.Formatter('%(asctime)s.%(msecs)03d %(message)s'))
lap_logger = logging.getLogger("lap-logger")
lap_logger.addHandler(lap_file_handler)

Expand Down
6 changes: 4 additions & 2 deletions lemon_pi/car/predictor.py
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
ONE_DAY_IN_SECONDS = 24 * 3600
TWO_DAYS_IN_SECONDS = ONE_DAY_IN_SECONDS * 2


class PredictorState(Enum):
# we are awaiting crossing the start finish line
INIT = 1,
Expand Down Expand Up @@ -158,8 +159,9 @@ def _process_and_predict(self, lat, long, heading, time):
# all previous laps)
try:
self.current_predicted_time = self.gates[self.gate_index].predict_lap(elapsed_time)
logger.info(
f"predicted lap time = {self.current_predicted_time:.02f}")
if self.gate_index % 10 == 0:
logger.info(
f"predicted lap time [gate = {self.gate_index}] = {self.current_predicted_time:.02f}")
except IndexError:
pass
self.gate_index += 1
Expand Down
4 changes: 2 additions & 2 deletions lemon_pi/car/tests/lap_session_store_test.py
Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,8 @@ def test_initialization(self):
def test_write_gate_date(self):
track = TrackLocation('name', 'code')
LapSessionStore.init(track, dir='/tmp/test-lss')
gates = Gates(Target("goofy", (300, -500), (310, -800), "NW"))
vgate = Gate(302, -450, 10, "gate-1")
gates = Gates(Target("goofy", (30, -50), (31, -80), "NW"))
vgate = Gate(30, -45, 10, "gate-1")
vgate.record_time_from_start(1.4)
vgate.record_time_from_start(1.5)
vgate.record_time_from_start(1.1)
Expand Down
23 changes: 23 additions & 0 deletions lemon_pi/car/tests/lap_tracker_test.py
Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,29 @@ def test_pit_in_detection(self, leave_track_event):
lt.update_position(35.4889, -119.5458, 90, now + 61, 50)
leave_track_event.assert_called_once()

@patch("lemon_pi.car.event_defs.LeaveTrackEvent.emit")
def test_pit_in_detection2(self, leave_track_event):
bw = TrackLocation("ORP", "orp")
sf = Target("start-finish", (45.363790,-120.744707),(45.363816,-120.744277), "S")
bw.set_start_finish_target(sf)
pi = Target("pit-in", (45.365624, -120.744398), (45.365573, -120.744325), "SW")
bw.set_pit_in_target(pi)
lt = LapTracker(bw)
lt.on_track = True
now = time.time()
lt.update_position(45.365835,-120.744046667, 221, now + 60, 34)
lt.update_position(45.365785,-120.74411, 221, now + 61, 32)
lt.update_position(45.365736667,-120.744171667, 221, now + 62, 31)
lt.update_position(45.365691667,-120.74423, 221, now + 63, 30)
lt.update_position(45.365646667,-120.744285, 221, now + 64, 28)
lt.update_position(45.365605,-120.744338333, 221, now + 65, 27)
lt.update_position(45.365563333,-120.74439, 221, now + 66, 26)
lt.update_position(45.365523333,-120.744438333, 219, now + 67, 25)
lt.update_position(45.365483333,-120.744481667, 214, now + 68, 24)
lt.update_position(45.36544,-120.744518333, 208, now + 69, 24)
lt.update_position(45.365398333,-120.744546667, 203, now + 70, 23)
leave_track_event.assert_called_once()

@patch("lemon_pi.car.event_defs.RadioSyncEvent.emit")
def test_radio_sync_detection(self, radio_sync_event):
bw = TrackLocation("bw", "bar")
Expand Down
1 change: 0 additions & 1 deletion lemon_pi/shared/meringue_comms.py
Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,6 @@ def __send_outbound_messages__(self):
stub.sendMessageFromPits(request=msg, timeout=10,
metadata=build_auth_header(self.track_id, self.sender, self.key))
if isinstance(msg, ToPitMessage):
logger.info("sending message to pit")
stub.sendMessageFromCar(request=msg, timeout=10,
metadata=build_auth_header(self.track_id, self.sender, self.key))
logger.debug("sent message")
Expand Down