def do_test(filename=None):
elm = create_test_elm(filename)
try:
elm.open()
elm.set_protocol(None)
elm.connect_to_vehicle()
except Exception as e:
unexpected_error(e)
# if the connection fails, everything else will too
return
global dtc_count
dtc_count = 0
read_all_supported_pids(elm, 0x01)
if dtc_count:
try:
responses = elm.send_request(OBDRequest(sid=0x03))
for r in responses:
print "%s: %s" % (r.bus_message.header, str(r))
except obd.exception.DataError:
pass
except Exception as e:
unexpected_error(e)
read_all_supported_pids(elm, 0x09)
return
def read_all_supported_pids(elm, sid):
for pid_support in range(0x00, 0x100, 0x20):
time.sleep(DELAY)
supported_pids = get_supported_pids(elm, sid, pid_support)
# issue individual requests
for pid in supported_pids:
if pid == pid_support + 0x20:
# fetched next time through outer loop
break
try:
time.sleep(DELAY)
responses = elm.send_request(OBDRequest(sid=sid, pid=pid))
#print "got response for sid=$%02X pid=$%02X" % (sid, pid)
except obd.exception.DataError:
print "no response to sid=$%02X pid=$%02X" % (sid, pid)
continue
except Exception as e:
unexpected_error(e)
continue
for r in responses:
print "%s: %s" % (r.bus_message.header, str(r))
if pid_support + 0x20 not in supported_pids:
# stop if no higher pid_support queries are supported
break
return
def do_test(filename=None):
elm = create_test_elm(filename)
try:
elm.open()
elm.set_protocol(None)
elm.connect_to_vehicle()
except Exception as e:
unexpected_error(e)
# if the connection fails, everything else will too
return
global dtc_count
dtc_count = 0
read_all_supported_pids(elm, 0x01)
if dtc_count:
try:
responses = elm.send_request(OBDRequest(sid=0x03))
for r in responses:
print "%s: %s" % (r.bus_message.header, str(r))
except obd.exception.DataError:
pass
except Exception as e:
unexpected_error(e)
read_all_supported_pids(elm, 0x09)
return
def do_test(filename=None):
elm = create_test_elm(filename)
try:
query_vehicle(elm)
except obd.exception.ConnectionError as e:
unexpected_error(e)
return
def read_all_supported_pids(elm, sid):
for pid_support in range(0x00, 0x100, 0x20):
time.sleep(DELAY)
supported_pids = get_supported_pids(elm, sid, pid_support)
# issue individual requests
for pid in supported_pids:
if pid == pid_support + 0x20:
# fetched next time through outer loop
break
try:
time.sleep(DELAY)
responses = elm.send_request(OBDRequest(sid=sid, pid=pid))
#print "got response for sid=$%02X pid=$%02X" % (sid, pid)
except obd.exception.DataError:
print "no response to sid=$%02X pid=$%02X" % (sid, pid)
continue
except Exception as e:
unexpected_error(e)
continue
for r in responses:
print "%s: %s" % (r.bus_message.header, str(r))
if pid_support + 0x20 not in supported_pids:
# stop if no higher pid_support queries are supported
break
return
def do_test(filename=None):
elm = create_test_elm(filename)
try:
query_vehicle(elm)
except obd.exception.ConnectionError as e:
unexpected_error(e)
return
def read_dtcs(elm, sid):
try:
responses = elm.send_request(OBDRequest(sid=sid))
for r in responses:
print "%s: %s" % (r.bus_message.header, str(r))
except obd.exception.DataError:
pass
except Exception as e:
unexpected_error(e)
return
def read_dtcs(elm, sid):
try:
responses = elm.send_request(OBDRequest(sid=sid))
for r in responses:
print "%s: %s" % (r.bus_message.header, str(r))
except obd.exception.DataError:
pass
except Exception as e:
unexpected_error(e)
return
def get_supported_pids(elm, sid, start_pid):
# default to all in case the support query fails for some reason
supported_pids = range(start_pid + 1, start_pid + 1 + 0x20)
try:
responses = elm.send_request(OBDRequest(sid=sid, pid=start_pid))
support = responses[0]
supported_pids = support.supported_pids
pids = ",".join(["$%02X" % pid for pid in supported_pids])
print "supported pids for sid=$%02X pid=$%02X: [%s]" % (sid, start_pid, pids)
obd.util.debug(supported_pids)
except obd.exception.DataError as e:
print "unable to determine PID support for sid=$%02X pid=$%02X, assuming all supported" % (sid, start_pid)
obd.util.debug(supported_pids)
except Exception as e:
unexpected_error(e)
return supported_pids
def get_supported_pids(elm, sid, start_pid):
# default to all in case the support query fails for some reason
supported_pids = range(start_pid + 1, start_pid + 1 + 0x20)
try:
responses = elm.send_request(OBDRequest(sid=sid, pid=start_pid))
support = responses[0]
supported_pids = support.supported_pids
pids = ",".join(["$%02X" % pid for pid in supported_pids])
print "supported pids for sid=$%02X pid=$%02X: [%s]" % (sid, start_pid, pids)
obd.util.debug(supported_pids)
except obd.exception.DataError as e:
print "unable to determine PID support for sid=$%02X pid=$%02X, assuming none supported" % (sid, start_pid)
supported_pids = []
obd.util.debug(supported_pids)
except Exception as e:
unexpected_error(e)
return supported_pids
def do_test(filename=None):
elm = create_test_elm(filename)
try:
elm.open()
elm.set_protocol(None)
elm.connect_to_vehicle()
except Exception as e:
unexpected_error(e)
# if the connection fails, everything else will too
return
read_all_supported_pids(elm, 0x01)
# Awaiting implementation of Service $02
# frames = elm.get_frame_count()
# for f in range(0, frames):
# elm.get_data(all_values, frame=f)
read_dtcs(elm, 0x03)
# skip Service $04 (resets DTCs)
# Awaiting implementation of Service $05
# O2 sensor locations appended to request
# (legacy protocols only; not supported by ISO 15765)
# Awaiting implementation of Service $06
# legacy responses have a filler byte before the pid-supported
# data
read_all_supported_tests(elm, 0x06)
read_dtcs(elm, 0x07)
# Skip Service $08 (controls a physical test)
read_all_supported_pids(elm, 0x09)
read_dtcs(elm, 0x0A)
return
def do_test(filename=None):
elm = create_test_elm(filename)
try:
elm.open()
elm.set_protocol(None)
elm.connect_to_vehicle()
except Exception as e:
unexpected_error(e)
# if the connection fails, everything else will too
return
read_all_supported_pids(elm, 0x01)
# Awaiting implementation of Service $02
# frames = elm.get_frame_count()
# for f in range(0, frames):
# elm.get_data(all_values, frame=f)
read_dtcs(elm, 0x03)
# skip Service $04 (resets DTCs)
# Awaiting implementation of Service $05
# O2 sensor locations appended to request
# (legacy protocols only; not supported by ISO 15765)
# Awaiting implementation of Service $06
# legacy responses have a filler byte before the pid-supported
# data
read_all_supported_tests(elm, 0x06)
read_dtcs(elm, 0x07)
# Skip Service $08 (controls a physical test)
read_all_supported_pids(elm, 0x09)
read_dtcs(elm, 0x0A)
return
def test_enumerate():
try:
interfaces = obd.interface.enumerate()
except Exception as e:
unexpected_error(e)
return
