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tesla_interface.py
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tesla_interface.py
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"""
This is using the NEW 2024 Tesla API.
"""
import logging
import config
from lib.measurementlist import MeasurementList
import datetime
import json
import math
import time
from lib.logger import Logger
logger = Logger(logging.INFO, "tesla.log")
from config import home
from lib.tesla_api import tesla_api_2024
logToFile = False
APIVERSION = 76
# extract the value from a multi index
def get_item(_dict, _indices):
value = _dict.copy() # initialize with whole dict as a COPY because it will be cut down!
for i in _indices:
if i in value:
value = value[i] # prune the tree to the last element. Ends with last index
else:
# logger.info(f"index {i} not found in {value}") # this is normal for e.g. "drive_state"
return None
return value
def calculate_distance(lat1, lon1, lat2, lon2):
# Earth's radius in kilometers
earth_radius = 6371
# Convert degrees to radians
lat1_rad = math.radians(lat1)
lon1_rad = math.radians(lon1)
lat2_rad = math.radians(lat2)
lon2_rad = math.radians(lon2)
# Haversine formula
dlat = lat2_rad - lat1_rad
dlon = lon2_rad - lon1_rad
a = math.sin(dlat / 2) ** 2 + math.cos(lat1_rad) * math.cos(lat2_rad) * math.sin(dlon / 2) ** 2
c = 2 * math.atan2(math.sqrt(a), math.sqrt(1 - a))
return earth_radius * c
class TeslaCar:
def __init__(self, _vin, _api: tesla_api_2024.TeslaAPI):
self.vin = _vin
self.tesla_api = _api
### stuff to remember from last input for "is_ready"
self.last_distance = 0 # ok
self.CAR_charger_real_phases = 3 # kept in because numbering is different!! this here is real phases!
self.is_charging = False # ok # raus
self.car_db_data = MeasurementList()
self.car_data_cache = None
# configure database channels
self.car_db_data.add_item(name="CAR_state", unit="", filter_jump=1, send_min_diff=1) # manually, because there is no source array in sleep!
self.car_db_data.add_item(name="CAR_battery_level", source=('charge_state', 'battery_level'), unit="%", filter_jump=3, send_min_diff=1)
self.car_db_data.add_item(name="CAR_usable_battery_level", source=('charge_state', 'usable_battery_level'), unit="%", filter_jump=3, send_min_diff=1)
self.car_db_data.add_item(name="CAR_charge_amps", source=('charge_state', 'charge_amps'), unit="A", filter_jump=1, send_min_diff=1)
self.car_db_data.add_item(name="CAR_charger_actual_current", source=('charge_state', 'charger_actual_current'), unit="A", filter_jump=1, send_min_diff=1)
self.car_db_data.add_item(name="CAR_charge_current_request", source=('charge_state', 'charge_current_request'), unit="A", filter_jump=1, send_min_diff=1)
self.car_db_data.add_item(name="CAR_charge_limit_soc", source=('charge_state', 'charge_limit_soc'), unit="%", filter_jump=1, send_min_diff=1)
self.car_db_data.add_item(name="CAR_charger_phases", source=('charge_state', 'charger_phases'), unit="n", filter_jump=1, send_min_diff=1) # can be '0' while not charging and is '2' at three-phase charge!
self.car_db_data.add_item(name="CAR_charger_power", source=('charge_state', 'charger_power'), unit="kW", filter_jump=1, send_min_diff=1)
self.car_db_data.add_item(name="CAR_charger_voltage", source=('charge_state', 'charger_voltage'), unit="V", filter_jump=5, send_min_diff=1)
self.car_db_data.add_item(name="CAR_charging_state", source=('charge_state', 'charging_state'), unit="") # can be 'Disconnected', 'Charging', 'Stopped', 'Complete', 'Starting'
self.car_db_data.add_item(name="CAR_minutes_to_full_charge", source=('charge_state', 'minutes_to_full_charge'), unit="min")
self.car_db_data.add_item(name="CAR_time_to_full_charge", source=('charge_state', 'time_to_full_charge'), unit="h") # h
self.car_db_data.add_item(name="CAR_inside_temp", source=('climate_state', 'inside_temp'), unit="°C", filter_jump=1, send_min_diff=0.5)
self.car_db_data.add_item(name="CAR_outside_temp", source=('climate_state', 'outside_temp'), unit="°C")
self.car_db_data.add_item(name="CAR_latitude", source=('drive_state', 'latitude'), unit="°")
self.car_db_data.add_item(name="CAR_longitude", source=('drive_state', 'longitude'), unit="°")
self.car_db_data.add_item(name="CAR_tpms_pressure_fl", source=('vehicle_state', 'tpms_pressure_fl'), unit="bar", filter_jump=0.1, send_min_diff=0.1)
self.car_db_data.add_item(name="CAR_tpms_pressure_fr", source=('vehicle_state', 'tpms_pressure_fr'), unit="bar", filter_jump=0.1, send_min_diff=0.1)
self.car_db_data.add_item(name="CAR_tpms_pressure_rl", source=('vehicle_state', 'tpms_pressure_rl'), unit="bar", filter_jump=0.1, send_min_diff=0.1)
self.car_db_data.add_item(name="CAR_tpms_pressure_rr", source=('vehicle_state', 'tpms_pressure_rr'), unit="bar", filter_jump=0.1, send_min_diff=0.1)
self.car_db_data.add_item(name="CAR_distance", unit="km")
self.car_db_data.add_item(name="CAR_charge_W", unit="W")
self.car_db_data.add_item(name="CAR_seen_ago", unit="s")
def get_car_life_data(self):
r = self.tesla_api.get_vehicle_data(self.vin, 'charge_state;drive_state;location_data;vehicle_state;climate_state') # requests LIVE data only -> None if asleep!
if r is None:
if self.car_data_cache is not None:
self.car_data_cache['state']="asleep" # fake the state
self.refresh(self.car_data_cache) # refresh with cached data, just because.
else:
self.car_data_cache = r
self.refresh(r)
def refresh(self, _my_car_data=None):
if _my_car_data is None:
return
api = _my_car_data["api_version"]
if logToFile or api != APIVERSION: # check API version and dump when necessary.
file_name = f"API{api}_{_my_car_data['vin']}_{datetime.datetime.now().isoformat()[:-7].replace(':', '-').replace('T', '_')}.txt"
with open(file_name, "w") as file:
json.dump(_my_car_data, file, indent=4)
logger.error(f"Tesla API version {api}")
# update hand-calculated values
self.car_db_data.update_value('CAR_state', _my_car_data['state'])
if (_my_car_data['charge_state']['charging_state'] == 'Charging' or _my_car_data['charge_state']['charging_state'] == 'Starting') and \
_my_car_data['charge_state']['charger_actual_current'] is not None and \
_my_car_data['charge_state']['charger_voltage'] is not None:
self.is_charging = True
# this is 3 phase charging
if _my_car_data['charge_state']['charger_phases'] == 2:
charge_actual_W = _my_car_data['charge_state']['charger_actual_current'] * _my_car_data['charge_state']['charger_voltage'] * 3
self.CAR_charger_real_phases = 3
elif _my_car_data['charge_state']['charger_phases'] == 1:
charge_actual_W = _my_car_data['charge_state']['charger_actual_current'] * _my_car_data['charge_state']['charger_voltage']
self.CAR_charger_real_phases = 1
else:
logger.error(f"Phases are hard, {_my_car_data['charge_state']['charger_phases']}")
charge_actual_W = 0
else:
self.is_charging = False
charge_actual_W = 0
#logger.debug("not charging - no Watts")
self.car_db_data.update_value("CAR_charge_W", charge_actual_W)
if "drive_state" in _my_car_data:
if "latitude" in _my_car_data["drive_state"]:
loc = (_my_car_data["drive_state"]["latitude"], _my_car_data["drive_state"]["longitude"])
self.last_distance = calculate_distance(home[0], home[1], loc[0], loc[1])
#last_distance_time = _my_car_data['drive_state']['timestamp'] / 1000
# logger.log(f"The distance between the coordinates is {self.last_distance:.2f} km.")
self.car_db_data.update_value("CAR_distance", self.last_distance)
last_seen_s = time.time() - _my_car_data['charge_state']['timestamp'] / 1000
self.car_db_data.update_value("CAR_seen_ago", last_seen_s)
# update all values with a pre-defined source
for i in self.car_db_data.get_name_list():
s = self.car_db_data.get_source(i)
if s is not None:
# print(s)
v = get_item(_my_car_data, s)
if v is not None: # do not update None values as this is completely normal for e.g. "drive_state" to not be in the data
self.car_db_data.update_value(i, v)
# logger.debug(f"Updated item: {i}, Source {s}, Value: {v}")
else:
logger.debug(f"Missing item: {i}, Source {s}")
else:
pass
# logger.debug(f"Skipped item: {i}")
self.car_db_data.write_measurements()
return _my_car_data
def is_here_and_connected(self): # check, if car is ready according last data - without asking!
# Car is not here
if self.last_distance > 0.3:
#logger.debug(f"Tesla is {self.last_distance}km away")
return False
if self.car_data_cache is None or not 'charge_state' in self.car_data_cache:
#logger.debug("Tesla no info")
return False
# check car state
if not self.car_data_cache['charge_state']['conn_charge_cable'] == 'IEC':
#logger.debug("Tesla is not connected")
return False
if not self.car_data_cache['charge_state']['charging_state'] in ['Charging', 'Stopped']: # not 'Complete'
#logger.debug("Tesla is connected, but not in right mood")
return False
return True
def set_charge(self, _do_charge, _req_amps):
if not self.is_here_and_connected():
logger.warning("Tesla is not ready, but should be!")
return False
if self.car_data_cache['state'] == "asleep" and _do_charge and _req_amps > 0:
logger.info("Tesla - Wake up car, cos I want to charge")
self.tesla_api.cmd_wakeup(self.vin)
#leave here and set the commanded value later - so we will have a re-entry.
return
maxamps = self.car_data_cache['charge_state']['charge_current_request_max']
if _req_amps > maxamps:
logger.error(f"Tesla: prevent to charge more than {maxamps} A. - {_req_amps} A requested.")
_req_amps = maxamps
ampere_rounded = round(_req_amps, 0)
if ampere_rounded < 1:
_do_charge = False
# charge_state can be 'Disconnected', 'Charging', 'Stopped', 'Complete', 'Starting'
if self.car_data_cache['charge_state']['charging_state'] == 'Charging' and not _do_charge:
logger.info(f"charging stopped at {self.car_data_cache['charge_state']['charger_actual_current']} A")
try:
r = self.tesla_api.cmd_charge_stop(self.vin)
if r:
logger.debug("car charging stopped")
self.car_data_cache['charge_state']['charging_state'] = 'Stopped' # remember / fake the state!
self.refresh(self.car_data_cache) # publish again
self.tesla_api.cmd_charge_set_amps(self.vin, 5) # reset to lowest "legal" value to be starting low at next start.
except Exception as e:
logger.error(f"Exception during stopping charge {type(e)}: {e}")
return True # finished here, as all else is related to setting the current
req_power_w = _req_amps * self.CAR_charger_real_phases * 230
if req_power_w > 11000:
logger.error(f"WATT is wrong with you, {req_power_w} W")
return False
if self.car_data_cache['charge_state']['charging_state'] == 'Stopped' and _do_charge:
try:
r = self.tesla_api.cmd_charge_start(self.vin)
if r:
logger.debug("car charging started")
self.car_data_cache['charge_state']['charging_state'] = 'Starting' # remember / fake the state!
self.refresh(self.car_data_cache) # publish again
except Exception as e:
logger.error(f'Exception during starting charge {type(e)}: {e}')
if not (self.car_data_cache['charge_state']['charging_state'] == 'Charging' or self.car_data_cache['charge_state']['charging_state'] == 'Starting'):
# ampere_rounded = 5
# logger.info(f"Car is not charging and we set the amps to {ampere_rounded}")
return False
if ampere_rounded > 15:
logger.error(f"too many amps requested, {ampere_rounded}")
return False
if self.car_data_cache['charge_state']['charge_current_request'] != ampere_rounded: # only send, if different
try:
r = self.tesla_api.cmd_charge_set_amps(self.vin, int(ampere_rounded))
if r is True:
# if successful, we update the self.car_data_cache['charge_state']['charge_current_request']
# so we do not have to read it back.
self.car_data_cache['charge_state']['charge_current_request'] = int(ampere_rounded)
return True
else:
logger.error(f"Setting current failed: {r}")
except Exception as e:
logger.error(f"Exception during changing charge request {type(e)}: {e}")
return False
else:
logger.debug(f"Charge current ok, {ampere_rounded}")
return True
# test stuff, if run directly
if __name__ == '__main__':
myTeslaAPI = tesla_api_2024.TeslaAPI()
myTesla = TeslaCar(config.tesla_vin, myTeslaAPI)
time.sleep(1)
myTesla.get_car_life_data()
time.sleep(15)
myTesla.get_car_life_data()
# myTesla.set_charge(False, 1230)
'''
'''