def ate_success_cb(cmd, res, args):
logger.debug('in ate_success_cb')
if not 'OK' in res:
logger.debug('invalid response')
ate_error_cb(cmd, res, args)
else:
self._read_supported_pids()
def ate_success_cb(cmd, res, args):
logger.debug('in ate_success_cb')
if not 'OK' in res:
logger.debug('invalid response')
ate_error_cb(cmd, res, args)
else:
self._read_supported_pids()
def error_cb(cmd, msg, args):
if msg == '?':
#FIXME
logger.debug('BRD command not supported')
else:
logger.debug('error in request_baudrate %s' % msg)
self._port.baudrate = self.initial_baudrate
self._current_baudrate = self.initial_baudrate
def error_cb(cmd, msg, args):
if msg == '?':
#FIXME
logger.debug('BRD command not supported')
else:
logger.debug('error in request_baudrate %s' % msg)
self._port.baudrate = self.initial_baudrate
self._current_baudrate = self.initial_baudrate
def _update_supported_views(self):
logger.debug('in update_supported_views')
for views in (self.views, self.os_views):
for view in views:
if self.app.device:
if view.command.command in self.app.device.supported_commands:
view.supported = True
if view in self.os_views or view.command.command == '0101':
view.active = True
else:
view.supported = False
else:
view.supported = False
def _update_supported_views(self):
logger.debug('in update_supported_views')
for views in (self.views, self.os_views):
for view in views:
if self.app.device:
if view.command.command in self.app.device.supported_commands:
view.supported=True
if view in self.os_views or view.command.command == '0101':
view.active=True
else:
view.supported=False
else:
view.supported=False
def _port_io_watch_cb(self, fd, condition, data=None):
logger.debug('in _port_io_watch_cb')
if condition & gobject.IO_HUP:
logger.debug('received HUP signal')
self._sent_command = None
self._ret_cb = None
self._err_cb = None
self._cb_args = None
self.close()
return False
elif condition & gobject.IO_ERR:
logger.debug('received ERR signal')
self._sent_command = None
self._ret_cb = None
self._err_cb = None
self._cb_args = None
self.close()
return False
elif condition & gobject.IO_IN:
try:
result = self._read_result()
self._parse_result(result)
except OBDPortError, e:
logger.debug('CONDITION = IO_IN but reading times out. Error: %s' % e[0])
finally:
def _port_io_watch_cb(self, fd, condition, data=None):
logger.debug('in _port_io_watch_cb')
if condition & gobject.IO_HUP:
logger.debug('received HUP signal')
self._sent_command = None
self._ret_cb = None
self._err_cb = None
self._cb_args = None
self.close()
return False
elif condition & gobject.IO_ERR:
logger.debug('received ERR signal')
self._sent_command = None
self._ret_cb = None
self._err_cb = None
self._cb_args = None
self.close()
return False
elif condition & gobject.IO_IN:
try:
result = self._read_result()
self._parse_result(result)
except OBDPortError, e:
logger.debug(
'CONDITION = IO_IN but reading times out. Error: %s' %
e[0])
finally:
def _update_supported_views(self):
logger.debug('in update_supported_views')
if self.app.device.supported_freeze_frame_pids == None:
logger.debug('supported_freeze_frame_pids not yet read')
return
for view in self.views:
if self.app.device:
if view.command.command in self.app.device.supported_freeze_frame_pids:
view.supported=True
view.active=True
else:
view.supported=False
view.active=False
else:
view.supported=False
view.active=False
def _update_supported_views(self):
logger.debug('in update_supported_views')
if self.app.device.supported_freeze_frame_pids == None:
logger.debug('supported_freeze_frame_pids not yet read')
return
for view in self.views:
if self.app.device:
if view.command.command in self.app.device.supported_freeze_frame_pids:
view.supported = True
view.active = True
else:
view.supported = False
view.active = False
else:
view.supported = False
view.active = False
def _deactivate_plugin(self, plugin):
instance = self._plugin_instance_from_string(plugin)
istr = str(instance)
if instance.action_group:
self.app.ui.remove_action_group(instance.action_group)
if instance.merge_id:
self.app.ui.remove_ui(instance.merge_id)
if hasattr(instance, 'unload'):
instance.unload()
del instance
for item in self._active_plugins:
string, i = item
if string == plugin:
self._active_plugins.remove(item)
logger.info('Plugin deactivated: %s' % plugin)
logger.debug('Plugin deactivated: %s' % istr)
def decode_result(result):
logger.debug('entering decode_result')
if not result:
raise OBDDataError('Data Read Error',
_('No data was received from the device'))
ret = []
result = string.split(result, "\r")
for data in result:
if data:
data = string.split(data)
data = string.join(data, '')
if data[:2] == '7F':
logger.debug('we got back 7F which is an error')
else:
ret.append(data[4:])
return ret
def decode_result(result):
logger.debug('entering decode_result')
if not result:
raise OBDDataError('Data Read Error',
_('No data was received from the device'))
ret = []
result = string.split(result, "\r")
for data in result:
if data:
data = string.split(data)
data = string.join(data, '')
if data[:2] == '7F':
logger.debug('we got back 7F which is an error')
else:
ret.append(data[4:])
return ret
def brd_support_success_cb(cmd, res, args):
if 'OK' in res:
logger.debug('res = OK')
self._port.baudrate = baudrate
logger.debug(self._stop - self._start)
elif 'ELM327' in res:
logger.debug('res = ELM327')
self._send_command('\r', cr_success_cb, error_cb)
def atz_success_cb(cmd, res, args):
logger.debug('in atz_success_cb')
if not 'ELM327' in res:
logger.debug('invalid response')
atz_error_cb(cmd, res, None)
else:
logger.debug('received answer valid')
self._send_command('ate0', ate_success_cb, ate_error_cb)
def atz_success_cb(cmd, res, args):
logger.debug('in atz_success_cb')
if not 'ELM327' in res:
logger.debug('invalid response')
atz_error_cb(cmd, res, None)
else:
logger.debug('received answer valid')
self._send_command('ate0', ate_success_cb, ate_error_cb)
def brd_support_success_cb(cmd, res, args):
if 'OK' in res:
logger.debug('res = OK')
self._port.baudrate = baudrate
logger.debug(self._stop - self._start)
elif 'ELM327' in res:
logger.debug('res = ELM327')
self._send_command('\r', cr_success_cb, error_cb)
def _send_command(self, command, ret, err, cleanup=True, *args):
logger.debug('in _send_command; command is %s' % command)
if not self._port.isOpen():
raise OBDPortError('PortNotOpen', _('The port is not open'))
self._cleanup_command = cleanup
self._sent_command = command
self._ret_cb = ret
self._err_cb = err
self._cb_args = args
try:
self._port.flushOutput()
self._port.flushInput()
self._port.write(command)
self._port.write("\r")
except serial.SerialException:
self._sent_command = None
self._ret_cb = None
self._err_cb = None
self._cb_args = None
self.close()
raise OBDPortError('PortIOFailed',
_('Unable to write to ') + self._portname)
def _send_command(self, command, ret, err, cleanup=True, *args):
logger.debug('in _send_command; command is %s' % command)
if not self._port.isOpen():
raise OBDPortError('PortNotOpen', _('The port is not open'))
self._cleanup_command = cleanup
self._sent_command = command
self._ret_cb = ret
self._err_cb = err
self._cb_args = args
try:
self._port.flushOutput()
self._port.flushInput()
self._port.write(command)
self._port.write("\r")
except serial.SerialException:
self._sent_command = None
self._ret_cb = None
self._err_cb = None
self._cb_args = None
self.close()
raise OBDPortError('PortIOFailed',
_('Unable to write to ') + self._portname)
def _parse_result(self, data):
error = False
success = False
res = None
msg = None
cmd = self._sent_command
err_cb = self._err_cb
ret_cb = self._ret_cb
args = self._cb_args
if self._sent_command:
if data[0] == '>':
logger.debug('command sent, received >')
error = True
elif data[0] == '?':
logger.debug('command sent, received ?')
error = True
msg = '?'
elif 'SEARCHING' in data:
logger.info('received SEARCHING: resending command')
self._send_command(cmd, ret_cb, err_cb, args)
elif 'UNABLE TO CONNECT' in data:
logger.debug('received UNABLE TO CONNECT')
error = True
msg = 'UNABLE TO CONNECT'
elif 'NO DATA' in data:
logger.debug('received NO DATA')
error = True
msg = 'NO DATA'
else:
res = data
success = True
if self._cleanup_command:
self._err_cb = None
self._ret_cb = None
self._sent_command = None
self._cb_args = None
if error:
err_cb(cmd, msg, args)
if success:
ret_cb(cmd, data, args)
else:
# no command sent
# are we interested anyway?
if '>' in data:
logger.debug('received >')
else:
logger.debug('no command sent, received %s' % data)
def cr_return_cb(cmd, res, args):
logger.debug('in cr_return_cb')
if 'OK' in res:
self._current_baudrate = baudrate
def ate_error_cb(cmd, msg, args):
logger.debug('in atz_error_cb')
raise OBDPortError('OpenPortFailed',
_('ate0 command failed'))
logger.error('%s does not seem to be a valid Plugin' % instance)
instance = None
return None
try:
if instance.ui_info:
instance.merge_id = self.app.ui.add_ui_from_string(instance.ui_info)
self.app.ui.insert_action_group(instance.action_group, 0)
except gobject.GError, msg:
logger.error('building menus failed: %s' % msg)
if hasattr(instance, 'load'):
instance.load()
logger.info('Plugin activated: %s' % plugin)
logger.debug(instance)
return instance
def _deactivate_plugin(self, plugin):
instance = self._plugin_instance_from_string(plugin)
istr = str(instance)
if instance.action_group:
self.app.ui.remove_action_group(instance.action_group)
if instance.merge_id:
self.app.ui.remove_ui(instance.merge_id)
if hasattr(instance, 'unload'):
instance.unload()
del instance
def _parse_result(self, data):
error = False
success = False
res = None
msg = None
cmd = self._sent_command
err_cb = self._err_cb
ret_cb = self._ret_cb
args = self._cb_args
if self._sent_command:
if data[0] == '>':
logger.debug('command sent, received >')
error = True
elif data[0] == '?':
logger.debug('command sent, received ?')
error = True
msg = '?'
elif 'SEARCHING' in data:
logger.info('received SEARCHING: resending command')
self._send_command(cmd, ret_cb, err_cb, args)
elif 'UNABLE TO CONNECT' in data:
logger.debug('received UNABLE TO CONNECT')
error = True
msg = 'UNABLE TO CONNECT'
elif 'NO DATA' in data:
logger.debug('received NO DATA')
error = True
msg = 'NO DATA'
else:
res = data
success = True
if self._cleanup_command:
self._err_cb = None
self._ret_cb = None
self._sent_command = None
self._cb_args = None
if error:
err_cb(cmd, msg, args)
if success:
ret_cb(cmd, data, args)
else:
# no command sent
# are we interested anyway?
if '>' in data:
logger.debug('received >')
else:
logger.debug('no command sent, received %s' % data)
self._sent_command = None
self._ret_cb = None
self._err_cb = None
self._cb_args = None
self.close()
return False
elif condition & gobject.IO_IN:
try:
result = self._read_result()
self._parse_result(result)
except OBDPortError, e:
logger.debug('CONDITION = IO_IN but reading times out. Error: %s' % e[0])
finally:
return True
else:
logger.debug('received an unknown io signal')
return False
def _read_supported_pids(self, freeze_frame=False):
#FIXME: merge these 3 in a single function
def zero_success_cb(cmd, data, args):
self._supported_pids += decode_pids_from_bitstring(data)
if '0120' in self._supported_pids:
self._send_command('0120', twenty_success_cb, error_cb)
else:
self._connected = True
logger.info('supported pids: %s\n' % self._supported_pids)
self.emit('connected', True)
def cr_return_cb(cmd, res, args):
logger.debug('in cr_return_cb')
if 'OK' in res:
self._current_baudrate = baudrate
self._err_cb = None
self._cb_args = None
self.close()
return False
elif condition & gobject.IO_IN:
try:
result = self._read_result()
self._parse_result(result)
except OBDPortError, e:
logger.debug(
'CONDITION = IO_IN but reading times out. Error: %s' %
e[0])
finally:
return True
else:
logger.debug('received an unknown io signal')
return False
def _read_supported_pids(self, freeze_frame=False):
#FIXME: merge these 3 in a single function
def zero_success_cb(cmd, data, args):
self._supported_pids += decode_pids_from_bitstring(data)
if '0120' in self._supported_pids:
self._send_command('0120', twenty_success_cb, error_cb)
else:
self._connected = True
logger.info('supported pids: %s\n' % self._supported_pids)
self.emit('connected', True)
def twenty_success_cb(cmd, data, args):
self._supported_pids += decode_pids_from_bitstring(data, 32)
def ate_error_cb(cmd, msg, args):
logger.debug('in atz_error_cb')
raise OBDPortError('OpenPortFailed', _('ate0 command failed'))
