def connect(port, baudrate, reconnectattempts, sertimeout):
connector = OBDConnector(
port, baudrate, reconnectattempts, sertimeout)
logging.info('Connecting...')
success = connector.initCommunication()
if success != 1:
logging.error('Connection error...')
sys.exit(1)
logging.info('Connected')
return connector
class Info(object):
def __init__(self, port, baudrate, reconnattempts, sertimeout, lazy):
self.connector = None
self.port = port
self.baudrate = baudrate
self.reconnattempts = reconnattempts
self.sertimeout = sertimeout
self.lazy = lazy
self.commands = [
'0100', # PIDs supported [01 - 20] n: 0
'0120', # PIDs supported [21 - 40] n: 20
'0140', # PIDs supported [41 - 60] n: 40
'0160', # PIDs supported [61 - 80] n: 60
'0180', # PIDs supported [81 - A0] n: 80
'01A0', # PIDs supported [A1 - C0] n: A0
'01C0', # PIDs supported [C1 - E0] n: C0
'050100', # OBD Monitor IDs supported ($01 – $20)
'0900', # mode 9 supported PIDs 01 to 20 n: 0
]
def add_hex(self, n1, n2):
integer = int('0x' + n1, 16) + int('0x' + n2, 16)
hexa = hex(integer).upper()[2:]
return hexa
def check_supported_pids(self, answer, command):
n = command[2:]
mode = command[:2]
hexa = ''
for s in answer:
hexa += hex_to_bin(s)
pids = [
'1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D',
'E', 'F', '10', '11', '12', '13', '14', '15', '16', '17', '18',
'19', '1A', '1B', '1C', '1D', '1E', '1F', '20'
]
supported_pids = []
for i, bit in enumerate(hexa):
if bit == '1':
pid = self.add_hex(n, pids[i])
if len(pid) == 1:
pid = '0' + pid
supported_pids.append(mode + pid)
return supported_pids
def connect(self):
self.connector = OBDConnector(self.port, self.baudrate,
self.reconnattempts, self.sertimeout)
logging.info('Connecting...')
success = self.connector.initCommunication()
if success != 1:
logging.error('Connection error...')
sys.exit(1)
logging.info('Connected')
def get_supported_pids(self):
if self.connector is None:
logging.error('You should connect to the port first.')
sys.exit(1)
supported_pids = []
# check which commands are supported by this car
for command in self.commands:
result, validation = self.connector.run_OBD_command(command)
if validation == 'Y':
value, unit = decode_answer(command, result)
supported_pids += self.check_supported_pids(value, command)
return supported_pids
def run(self):
if self.connector is None:
logging.error('You should connect to the port first.')
sys.exit(1)
print('INFORMATION FETCHED FROM THE CAR')
print('--------------------------------\n\n')
supported_pids = self.get_supported_pids()
# use the supported commands to get some info
for command in supported_pids:
# do not run check (supported pids) commands
if command in self.commands:
continue
result, validation = self.connector.run_OBD_command(command)
if validation == 'Y':
if self.lazy:
value, unit = decode_answer(command, result)
print(
'Command: {0}\nDescription: {1}\nValue: {2}\nUnit: {3}\n\n'
.format(command, ELMdb[command]['description'], value,
unit))
else:
print('Command: {0}\nResult: {1}'.format(command, result))
else:
logging.warning(
'Something wrong happened with "{0}" command'.format(
command))
self.disconnect()
def disconnect(self):
self.connector.run_OBD_command('END')
logging.info('Disconnected')
class ExpertMode(object):
def __init__(self, port, baudrate, reconnattempts, sertimeout, lazy_mode):
self.connector = None
self.keep_going = True
self.port = port
self.baudrate = baudrate
self.reconnattempts = reconnattempts
self.sertimeout = sertimeout
self.lazy_mode = lazy_mode
def connect(self):
self.connector = OBDConnector(
self.port, self.baudrate, self.reconnattempts, self.sertimeout)
logging.info('Connecting...')
success = self.connector.initCommunication()
if success != 1:
logging.error('Connection error...')
sys.exit(1)
logging.info('Connected')
def run(self):
if self.connector is None:
logging.error('You should connect to the port first.')
sys.exit(1)
logging.info('Launching Expert Mode console...')
choice = ''
valid_answers = ['Y', 'N']
while choice not in valid_answers:
choice = raw_input(MSG_WARNING)
if choice.upper() == 'Y':
logging.warning(MSG_DISCLAIMER)
print('Type "quit" or CTRL-C to exit')
while self.keep_going is True:
try:
user_command = raw_input('ROOT@KT-OBD> ').upper()
if re.search('\AAT', user_command):
print('Wrong command, ELM configuration is not '
'allowed')
elif re.search('QUIT', user_command):
raise KeyboardInterrupt
elif user_command == '':
pass
else:
result, validation = self.connector.run_OBD_command(
user_command, expert=True)
if re.search('ERROR', result) or \
re.search('DATA', result):
print('ERROR: Wrong command or not supported, '
'type another one')
elif re.search('BUSY', result):
print('ERROR: Bus busy, try again')
elif re.search('UNABLE', result):
print('ERROR: Communication lost, shutting '
'down app!')
break
else:
if self.lazy_mode:
value, unit = decode_answer(
user_command, result)
print('{0} {1}'.format(value, unit))
else:
print(result)
except KeyboardInterrupt:
break
logging.info('Expert mode aborted by user, finishing...')
self.connector.run_OBD_command('END', expert=True)
class Info(object):
def __init__(self, port, baudrate, reconnattempts, sertimeout, lazy):
self.connector = None
self.port = port
self.baudrate = baudrate
self.reconnattempts = reconnattempts
self.sertimeout = sertimeout
self.lazy = lazy
self.commands = [
'0100', # PIDs supported [01 - 20] n: 0
'0120', # PIDs supported [21 - 40] n: 20
'0140', # PIDs supported [41 - 60] n: 40
'0160', # PIDs supported [61 - 80] n: 60
'0180', # PIDs supported [81 - A0] n: 80
'01A0', # PIDs supported [A1 - C0] n: A0
'01C0', # PIDs supported [C1 - E0] n: C0
'050100', # OBD Monitor IDs supported ($01 – $20)
'0900', # mode 9 supported PIDs 01 to 20 n: 0
]
def add_hex(self, n1, n2):
integer = int('0x' + n1, 16) + int('0x' + n2, 16)
hexa = hex(integer).upper()[2:]
return hexa
def check_supported_pids(self, answer, command):
n = command[2:]
mode = command[:2]
hexa = ''
for s in answer:
hexa += hex_to_bin(s)
pids = ['1', '2', '3', '4', '5', '6', '7', '8', '9', 'A',
'B', 'C', 'D', 'E', 'F', '10', '11', '12', '13', '14',
'15', '16', '17', '18', '19', '1A', '1B', '1C', '1D', '1E',
'1F', '20']
supported_pids = []
for i, bit in enumerate(hexa):
if bit == '1':
pid = self.add_hex(n, pids[i])
if len(pid) == 1:
pid = '0' + pid
supported_pids.append(mode + pid)
return supported_pids
def connect(self):
self.connector = OBDConnector(
self.port, self.baudrate, self.reconnattempts, self.sertimeout)
logging.info('Connecting...')
success = self.connector.initCommunication()
if success != 1:
logging.error('Connection error...')
sys.exit(1)
logging.info('Connected')
def get_supported_pids(self):
if self.connector is None:
logging.error('You should connect to the port first.')
sys.exit(1)
supported_pids = []
# check which commands are supported by this car
for command in self.commands:
result, validation = self.connector.run_OBD_command(command)
if validation == 'Y':
value, unit = decode_answer(command, result)
supported_pids += self.check_supported_pids(value, command)
return supported_pids
def run(self):
if self.connector is None:
logging.error('You should connect to the port first.')
sys.exit(1)
print('INFORMATION FETCHED FROM THE CAR')
print('--------------------------------\n\n')
supported_pids = self.get_supported_pids()
# use the supported commands to get some info
for command in supported_pids:
# do not run check (supported pids) commands
if command in self.commands:
continue
result, validation = self.connector.run_OBD_command(command)
if validation == 'Y':
if self.lazy:
value, unit = decode_answer(command, result)
print('Command: {0}\nDescription: {1}\nValue: {2}\nUnit: {3}\n\n'
.format(command, ELMdb[command]['description'], value, unit))
else:
print('Command: {0}\nResult: {1}'.format(command, result))
else:
logging.warning('Something wrong happened with "{0}" command'
.format(command))
self.disconnect()
def disconnect(self):
self.connector.run_OBD_command('END')
logging.info('Disconnected')
class CollectData(object):
def __init__(self, port, baudrate, reconnattempts,
sertimeout, logfile, commands,
command_attempts, interval, server):
self.commands = commands
self.command_attempts = command_attempts
self.invalid_commands = {}
self.logfile = logfile
self.keep_going = True
self.connector = None
self.interval = interval
self.server = server
self.server_post_url = 'http://127.0.0.1:5000/post'
self.port = port
self.baudrate = baudrate
self.reconnattempts = reconnattempts
self.sertimeout = sertimeout
def connect(self):
self.connector = OBDConnector(
self.port, self.baudrate, self.reconnattempts, self.sertimeout)
logging.info('Connecting...')
success = self.connector.initCommunication()
if success != 1:
logging.error('Connection error...')
sys.exit(1)
logging.info('Connected')
def collect(self):
if self.connector is None:
logging.error('You should connect to the port first.')
sys.exit(1)
for i, command in enumerate(self.commands):
if command in self.invalid_commands and \
self.invalid_commands[command] == self.command_attempts:
logging.info('Skipping command "{0}" ({1}/{2})...'
.format(command, i, len(self.commands)))
continue
logging.info('Excecuting command "{0}" ({1}/{2})...'
.format(command, i, len(self.commands)))
answer, valid = self.connector.run_OBD_command(command)
timestamp = time.time()
if valid == 'N':
# do not call this command again after
# "self.command_attempt" times
if command in self.invalid_commands:
self.invalid_commands[command] += 1
else:
self.invalid_commands[command] = 1
with open(self.logfile, 'ab') as csvfile:
writer = csv.writer(csvfile, delimiter=',',
quoting=csv.QUOTE_ALL)
row = (command, answer, valid, timestamp)
writer.writerow(row)
if self.server:
data = json.dumps({
'answer': answer,
'command': command,
'timestamp': timestamp,
})
requests.post(url=self.server_post_url, data=data)
def disconnect(self):
self.connector.run_OBD_command('END')
logging.info('Disconnected')
def run(self):
while self.keep_going:
try:
self.collect()
logging.info('Waiting %s seconds before continue',
self.interval)
time.sleep(self.interval)
except KeyboardInterrupt:
self.keep_going = False
self.disconnect()
class ExpertMode(object):
def __init__(self, port, baudrate, reconnattempts, sertimeout, lazy_mode):
self.connector = None
self.keep_going = True
self.port = port
self.baudrate = baudrate
self.reconnattempts = reconnattempts
self.sertimeout = sertimeout
self.lazy_mode = lazy_mode
def connect(self):
self.connector = OBDConnector(self.port, self.baudrate,
self.reconnattempts, self.sertimeout)
logging.info('Connecting...')
success = self.connector.initCommunication()
if success != 1:
logging.error('Connection error...')
sys.exit(1)
logging.info('Connected')
def run(self):
if self.connector is None:
logging.error('You should connect to the port first.')
sys.exit(1)
logging.info('Launching Expert Mode console...')
choice = ''
valid_answers = ['Y', 'N']
while choice not in valid_answers:
choice = raw_input(MSG_WARNING)
if choice.upper() == 'Y':
logging.warning(MSG_DISCLAIMER)
print('Type "quit" or CTRL-C to exit')
while self.keep_going is True:
try:
user_command = raw_input('ROOT@KT-OBD> ').upper()
if re.search('\AAT', user_command):
print('Wrong command, ELM configuration is not '
'allowed')
elif re.search('QUIT', user_command):
raise KeyboardInterrupt
elif user_command == '':
pass
else:
result, validation = self.connector.run_OBD_command(
user_command, expert=True)
if re.search('ERROR', result) or \
re.search('DATA', result):
print('ERROR: Wrong command or not supported, '
'type another one')
elif re.search('BUSY', result):
print('ERROR: Bus busy, try again')
elif re.search('UNABLE', result):
print('ERROR: Communication lost, shutting '
'down app!')
break
else:
if self.lazy_mode:
value, unit = decode_answer(
user_command, result)
print('{0} {1}'.format(value, unit))
else:
print(result)
except KeyboardInterrupt:
break
logging.info('Expert mode aborted by user, finishing...')
self.connector.run_OBD_command('END', expert=True)