class RenkeYgcJyz12VW2(SitModbusDevice):
# CONSTANTS
DEFAULT_SLAVE_ADDRESS = 1
DEFAULT_MODBUS_PORT = '/dev/ttyUSB0'
DEFAULT_TARGET_MODE = SitModbusDevice.TARGET_MODE_RTU
PARSER_DESCRIPTION = 'Actions with renke_ygc-jyz-12V-W2 from ali irradiance sensor' + SitConstants.DEFAULT_HELP_LICENSE_NOTICE
# CLASS ATTRIBUTES
_byte_order = Endian.Big
_word_order = Endian.Big
_substract_one_to_register_index = False
_rtu_baudrate = 9600
_rtu_parity = 'N'
_rtu_timeout = 15 #seconds
# FUNCTIONS DEFINITION
"""
Initialize
"""
def __init__(self,
a_slave_address=DEFAULT_SLAVE_ADDRESS,
a_port=DEFAULT_MODBUS_PORT,
an_ip_address=None):
assert self.valid_slave_address(
a_slave_address), 'invalid a_slave_address:{}'.format(
a_slave_address)
try:
self.init_arg_parse()
assert self.valid_slave_address(
a_slave_address
), 'a_slave_address parameter invalid:{}'.format(l_slave_address)
l_slave_address = a_slave_address
l_usb_port = self.DEFAULT_MODBUS_PORT
if __name__ == '__main__':
if (hasattr(self._args, 'slave_address')
and self._args.slave_address):
l_slave_address = self._args.slave_address
if (hasattr(self._args, 'usb_port') and self._args.usb_port):
l_usb_port = self._args.usb_port
super().__init__(l_slave_address,
self.DEFAULT_TARGET_MODE,
a_port=l_usb_port,
an_ip_address=self._args.host_ip)
self._logger = SitLogger().new_logger(self.__class__.__name__,
self._args.host_mac)
self._init_sit_modbus_registers(l_slave_address)
self.invariants()
#self._logger.debug('init->' + self.out())
except OSError as l_e:
self._logger.warning(
"init-> OSError, probably rollingfileAppender" % (l_e))
if e.errno != errno.ENOENT:
raise l_e
except Exception as l_e:
print('Error in init: %s' % (l_e))
raise l_e
#exit(1)
def _init_sit_modbus_registers(self, a_slave_address):
"""
Initializes self._sit_modbus_registers
"""
assert self.valid_slave_address(
a_slave_address), 'invalid a_slave_address:{}'.format(
a_slave_address)
l_reg_list = OrderedDict()
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16u(
'GHI',
'Total irradiation on the external irradiation sensor/pyranometer (W/m2)',
0x00,
a_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'Int16u',
an_is_metadata=False))
#SitUtils.od_extend(l_reg_list, RegisterTypeInt16u('GHIDev', 'Solar radiation deviation (0~1800)', 0x52, a_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Int16u', an_is_metadata=False))
#SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('WDigIo', 'Active power setpoint Digital I/O', 31235, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
self.append_modbus_registers(l_reg_list)
# self.add_cc_only_sit_modbus_registers(1)
# self.add_common_sit_modbus_registers(2)
self.invariants()
def _header_rows(self):
return [['#Mn', 'renke'], ['#Md', 'ygc-jyz-12V-W2']]
def sma_fix2(self, a_sit_modbus_register):
"""
"""
l_new_val = a_sit_modbus_register.value / 100
self._logger.debug(
'sma_fix2->Setting new value-> old:{} new:{}'.format(
a_sit_modbus_register.value, l_new_val))
a_sit_modbus_register.value = l_new_val
def _W_event(self, a_sit_modbus_register):
"""
Called by modbus_device.call_sit_modbus_registers_events()
"""
self._logger.debug('_W_event-> register:{}'.format(
a_sit_modbus_register.out_short()))
l_short_desc = 'W'
l_min_val = self.MIN_W_FOR_RAISE_EVENT_GENERATION
l_val = a_sit_modbus_register.value
l_sit_dt = SitDateTime()
if a_sit_modbus_register.short_description == l_short_desc:
l_start_time = time(8, 30)
l_end_time = time(16, 30)
l_is_day, l_valid_time = l_sit_dt.time_is_between(
datetime.now().time(), l_start_time, l_end_time)
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#
# self._logger.debug('read_sit_modbus_register-> l_is_day:{} l_valid_time:{} l_is_between_sunrise_sunset:{}'.format(l_is_day, l_valid_time, l_is_between_sunrise_sunset))
l_msg = '_W_event-> register_index:{} value ({}) '.format(
a_sit_modbus_register.register_index, l_val)
l_msg += ' between {} and {}'.format(l_start_time, l_end_time)
self._logger.info(
'_W_event-> DEVICE IS GENERATING {} kW'.format(l_val))
if (l_valid_time and l_val <= l_min_val):
l_msg = '_W_event-> register_index:{} value ({} <= {}), valid_time:{}'.format(
a_sit_modbus_register.register_index, l_val, l_min_val,
l_valid_time)
self._logger.warning(l_msg)
# Create Dir
l_dir = '/tmp/solarity_events'
if not os.path.exists(l_dir):
os.makedirs(l_dir)
l_file = self.__class__.__name__ + '_event_{}_register_{}_slave_{}'.format(
datetime.now().strftime("%Y%m%d_%H"),
a_sit_modbus_register.register_index,
a_sit_modbus_register.slave_address)
l_file_abs_path = l_dir + '/' + l_file
if not os.path.exists(l_file_abs_path):
self._logger.info(
'_W_event-> Event not sent, sending email file:{}'.
format(l_file_abs_path))
# SEND MAIL
l_subject = 'event with failure on $(hostname) slave:' + str(
a_sit_modbus_register.slave_address
) + ' $(date +%Y%m%d_%H%M%S) W val:(' + str(
l_val) + ' <= ' + str(l_min_val) + ')W '
l_body = [
'event in slave:{} with failure on $(hostname) $(date +%Y%m%d_%H%M%S) review file {}'
.format(
a_sit_modbus_register.slave_address,
self.csv_file_path(
a_sit_modbus_register.slave_address))
]
l_body.append(' Between {} and {}'.format(
l_start_time, l_end_time))
l_body.append('Register->out:{}'.format(
a_sit_modbus_register.out_human_readable(
a_with_description=self._args.long)))
l_subject, l_body = self._setted_parts(l_subject, l_body)
SitUtils.send_mail(
self.events_mail_receivers(), l_subject, l_body, [
self.csv_file_path(
a_sit_modbus_register.slave_address)
])
os.mknod(l_file_abs_path)
else:
self._logger.warning(
'_W_event-> Event already sent, not sending email file:{}'
.format(l_file_abs_path))
else:
l_msg = '_W_event-> Event not raised register_index:{} value ({} > {}), valid_time:{}'.format(
a_sit_modbus_register.register_index, l_val, l_min_val,
l_valid_time)
self._logger.debug(l_msg)
# ACCESS
# IMPLEMENTATION
# EXECUTE ARGS
"""
Parsing arguments and calling corresponding functions
"""
def execute_corresponding_args(self):
try:
self.connect()
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.INFO)
if self._args.store_values or self._args.display_all or self._args.raise_event:
assert self.valid_slave_address(
self._slave_address), 'Invalid slave address {}'.format(
self._slave_address)
self.read_all_sit_modbus_registers()
if self._args.store_values:
self.store_values_into_csv(self._sit_modbus_registers,
self._slave_address)
if self._args.display_all:
print(
self.out_human_readable(
a_with_description=self._args.long))
if self._args.raise_event:
assert len(self._sit_modbus_registers
) > 0, 'modbus_registers_not_empty'
self.call_sit_modbus_registers_events()
if self._args.test:
self.test()
# if self._args.manual_restart:
# self.manual_restart()
except Exception as l_e:
self._logger.exception(
"execute_corresponding_args-> Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
raise l_e
finally:
if self.is_connected():
self.disconnect()
self.invariants()
def add_arg_parse_modbus_device(self):
super().add_arg_parse()
def add_arg_parse(self):
"""
Override method
"""
self.add_arg_parse_modbus_device()
self._parser.add_argument(
'-e',
'--raise_event',
help='Raises the corresponding event if setted',
action="store_true")
#self._parser.add_argument('-r', '--manual_restart', help='Sends a manual restart to inverter manager', action="store_true")
self._parser.add_argument('-c',
'--slave_address',
help='Slave address of modbus device',
nargs='?')
self._parser.add_argument('-p',
'--usb_port',
help='USB port',
nargs='?')
def add_required_named(self, a_required_named):
pass
def test(self):
"""
Test function
"""
try:
self._logger.info("################# BEGIN #################")
# l_sit_dt = SitDateTime()
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#self.call_sit_modbus_registers_events(l_slave)
# self._logger.info("--> ************* device models *************: %s" % (l_d.models)) #Lists properties to be loaded with l_d.<property>.read() and then access them
# self._logger.info("-->inverter ************* l_d.inverter.points *************: %s" % (l_d.inverter.points)) #Gives the inverter available properties
# self._logger.info("-->inverter ************* common *************: %s" % (l_d.common))
# self._logger.info("-->inverter ************* common Serial Number *************: %s" % (l_d.common.SN))
#l_res = self.register_value(0x0, 1, 1)
l_reg_index = 0
l_slave = 1
l_val = 1
#l_write_res = self.write_register_value(l_reg_index, l_slave, l_val)
l_res = self.register_values_int_16_u(0x0, 1)
self._logger.info("Register value:{}".format(l_res))
self._logger.info("################# END #################")
except Exception as l_e:
self._logger.exception("Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
self._logger.error('Error: %s' % (l_e))
raise l_e
def events_mail_receivers(self):
return [
'*****@*****.**',
'*****@*****.**'
]
#return ['*****@*****.**']
#return ['*****@*****.**', '*****@*****.**']
def invariants_modbus_device(self):
super().invariants()
def invariants(self):
self.invariants_modbus_device()
class SitJsonConf(object):
# CONSTANTS
# VARIABLES
_logger = None
_config_dir = None #Setted by init
_config_file = None #File name only
_config_data = None # Where json.dump are put
# FUNCTIONS DEFINITION
def __init__(
self,
a_config_file_name=SitConstants.SIT_JSON_DEFAULT_CONFIG_FILE_NAME):
"""
Initialize
"""
self._config_dir = SitConstants.DEFAULT_CONF_DIR
self._config_file = a_config_file_name
if not os.path.isdir(self._config_dir):
raise Exception(
'init->Config dir {} does not exist, sudo mkdir -m 777 {}'.
format(self._config_dir, self._config_dir))
try:
self._logger = SitLogger().new_logger(__name__)
if __name__ == '__main__':
self.init_arg_parse()
self.read_config(self.configuration_file_path())
except OSError as l_e:
self._logger.warning(
"init-> OSError, probably rollingfileAppender:{}".format(l_e))
if l_e.errno != errno.ENOENT:
raise l_e
except Exception as l_e:
self._logger.error('Error in init: {}'.format(l_e))
raise l_e
def configuration_file_path(self):
"""
"""
l_res = os.path.join(self._config_dir, self._config_file)
return l_res
def read_config(self, a_config_file_path=None):
"""
puts into self._config_data json data
"""
if a_config_file_path is None:
l_config_file_path = self.configuration_file_path()
else:
l_config_file_path = a_config_file_path
with open(l_config_file_path, "r") as l_file:
self._config_data = json.load(l_file)
def item(self, a_key):
"""
returns value of given key exception if not found
"""
l_res = None
return l_res
# SCRIPT ARGUMENTS
def init_arg_parse(self):
"""
Parsing arguments
"""
self._logger.debug('init_arg_parse-> begin')
self._parser = argparse.ArgumentParser(
description='Actions with sunspec through TCP')
self._add_arguments()
l_args = self._parser.parse_args()
self._args = l_args
def _add_arguments(self):
"""
Add arguments to parser (called by init_arg_parse())
"""
self._parser.add_argument('-v',
'--verbose',
help='increase output verbosity',
action="store_true")
self._parser.add_argument('-u',
'--update_leds_status',
help='Updates led status according to spec',
action="store_true")
self._parser.add_argument('-t',
'--test',
help='Runs test method',
action="store_true")
#self._parser.add_argument('-u', '--base_url', help='NOT_IMPLEMENTED:Gives the base URL for requests actions', nargs='?', default=self.DEFAULT_BASE_URL)
l_required_named = self._parser.add_argument_group(
'required named arguments')
# l_required_named.add_argument('-i', '--host_ip', help='Host IP', nargs='?', required=True)
# l_required_named.add_argument('-u', '--slave_address', help='Slave address of modbus device', nargs='?', required=True)
l_required_named.add_argument('-m',
'--host_mac',
help='Host MAC',
nargs='?',
required=True)
# l_required_named.add_argument('-l', '--longitude', help='Longitude coordinate (beware timezone is set to Chile)', nargs='?', required=True)
# l_required_named.add_argument('-a', '--lattitude', help='Lattitude coordinate (beware timezone is set to Chile)', nargs='?', required=True)
# l_required_named.add_argument('-d', '--device_type', help='Device Type:' + ('|'.join(str(l) for l in self.DEVICE_TYPES_ARRAY)), nargs='?', required=True)
def execute_corresponding_args(self):
"""
Parsing arguments and calling corresponding functions
"""
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.INFO)
if self._args.test:
self.test()
#if self._args.store_values:
# TEST
def test(self):
"""
Test function
"""
try:
self._logger.info("################# BEGIN #################")
self._logger.info(
"--> ************* device models *************: {}".format(
l_d.models)
) #Lists properties to be loaded with l_d.<property>.read() and then access them
except Exception as l_e:
self._logger.exception("Exception occured: {}".format(l_e))
print('Error: {}'.format(l_e))
self._logger.error('Error: {}'.format(l_e))
sys.exit(1)
class SitModbusRegister(ABC):
# CONSTANTS
LOG_FILE_PATH = '/var/log/solarity'
DEFAULT_LOGGING_LEVEL = logging.INFO #For console overrided by --verbose
DEFAULT_FILE_LOGGING_LEVEL = logging.DEBUG #For file
DEFAULT_CSV_FILE_LOCATION = '/var/solarity' #without ending slash
DEFAULT_ACCESS_MODE = 'R'
ACCESS_MODE_RW = 'RW'
ACCESS_MODE_R = 'R'
# VARIABLES
_logger = None
_short_description = None
_description = None
_register_index = None
_value = None
_value_unit = None
_access_mode = None
_scale_factor_register_index = None
_is_metadata = False
_slave_address = None # Can be none, in that case the default slave_address is taken
_words_count = None
_event = None
_post_set_value_call = None
# FUNCTIONS DEFINITION
"""
Initialize
"""
def __init__(self,
a_short_description,
a_description,
a_register_index,
a_slave_address,
an_access_mode=DEFAULT_ACCESS_MODE,
a_value_unit=None,
a_scale_factor_register_index=None,
an_event=None,
an_is_metadata=False,
a_post_set_value_call=None):
#require
assert self.valid_access_mode(
an_access_mode), 'invalid an_access_mode:{}'.format(an_access_mode)
assert self.valid_register_index(
a_register_index), 'invalid a_register_index:{}'.format(
a_register_index)
from sit_modbus_device import SitModbusDevice
assert SitModbusDevice.valid_slave_address(
a_slave_address), 'invalid a_slave_address:{}'.format(
a_slave_address)
self._short_description = a_short_description
self._description = a_description
self._register_index = a_register_index
self._access_mode = an_access_mode
self._value_unit = a_value_unit
self._scale_factor_register_index = a_scale_factor_register_index
self._event = an_event
self._is_metadata = an_is_metadata
self._slave_address = a_slave_address
self._post_set_value_call = a_post_set_value_call
self._logger = SitLogger().new_logger(self.__class__.__name__)
self._logger.debug('init-> created SitModbusRegister:%s' %
(self.to_ordered_dict()))
#ensure
self.invariants()
"""
Parsing arguments
"""
def init_arg_parse(self):
"""App help"""
self._parser = argparse.ArgumentParser(
description='Actions with sunspec through TCP')
self._parser.add_argument('-v',
'--verbose',
help='increase output verbosity',
action="store_true")
self._parser.add_argument('-t',
'--test',
help='Runs test method',
action="store_true")
#self._parser.add_argument('-u', '--base_url', help='NOT_IMPLEMENTED:Gives the base URL for requests actions', nargs='?', default=self.DEFAULT_BASE_URL)
l_required_named = self._parser.add_argument_group(
'required named arguments')
# l_required_named.add_argument('-i', '--host_ip', help='Host IP', nargs='?', required=True)
# l_required_named.add_argument('-u', '--slave_address', help='Slave address of modbus device', nargs='?', required=True)
# l_required_named.add_argument('-l', '--longitude', help='Longitude coordinate (beware timezone is set to Chile)', nargs='?', required=True)
# l_required_named.add_argument('-a', '--lattitude', help='Lattitude coordinate (beware timezone is set to Chile)', nargs='?', required=True)
# l_required_named.add_argument('-d', '--device_type', help='Device Type:' + ('|'.join(str(l) for l in self.DEVICE_TYPES_ARRAY)), nargs='?', required=True)
args = self._parser.parse_args()
self._args = args
"""
Parsing arguments and calling corresponding functions
"""
def execute_corresponding_args(self):
self.init_arg_parse()
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
self._console_handler.setLevel(logging.DEBUG)
self._file_handler.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.DEBUG)
self._console_handler.setLevel(logging.ERROR)
self._file_handler.setLevel(logging.DEBUG)
if self._args.test:
self.test()
#if self._args.store_values:
# VALIDATION
def valid_access_mode(self, v):
"""
Is access mode valid
"""
return v == self.ACCESS_MODE_R or v == self.ACCESS_MODE_RW
def valid_register_index(self, v):
"""
Value is int and > 0
"""
try:
l_is_int = int(v)
l_res = l_is_int >= 0
except Exception as l_e:
l_res = False
return l_res
# GETTERS AND SETTERS
@property
def short_description(self):
return self._short_description
@property
def description(self):
return self._description
@property
def register_index(self):
return self._register_index
@property
def value(self):
return self._value
@value.setter
def value(self, v):
self._value = v
def is_access_mode_rw(self):
return self._access_mode == self.ACCESS_MODE_RW
@property
def value_unit(self):
return self._value_unit
@property
def scale_factor_register_index(self):
return self._scale_factor_register_index
@property
def is_metadata(self):
return self._is_metadata
@property
def words_count(self):
return self._words_count
@property
def slave_address(self):
return self._slave_address
# STATUS REPORT
def has_event(self):
return self._event is not None
def has_post_set_value_call(self):
return self._post_set_value_call is not None
def has_slave_address(self):
from sit_modbus_device import SitModbusDevice
return SitModbusDevice.valid_slave_address(self._slave_address)
# STATUS SETTING
@abstractmethod
def set_value_with_raw(self, v):
# OR raise NotImplementedError
pass
# EVENT
def call_event(self):
"""
calls sit_event.call_method_to_call(self)
"""
assert self.has_event(), 'event not setted, check it before call'
assert isinstance(
self._event,
SitModbusRegisterEvent), 'self._event is not a SitModbusRegister'
self._logger.debug(
'call_event-> has_event:{}, register short_out:{}'.format(
self.has_event(), self.out_short()))
l_optional_args = None
self._event.modbus_register = self
#self._event.call_method_to_call([self, a_slave_address], l_optional_args)
self._event.call_method_to_call([self], l_optional_args)
def call_post_set_value(self):
"""
calls _post_set_value_call function
"""
assert self._post_set_value_call is not None, '_post_set_value_call is None'
self._post_set_value_call(self)
# CONVERSION
# OUTPUT
def to_ordered_dict(self):
l_res = OrderedDict()
l_res['short_description'] = self._short_description
l_res['value'] = self._value
l_res['value_unit'] = self._value_unit
l_res['description'] = self._description
l_res['register_index'] = self._register_index
l_res['access_mode'] = self._access_mode
l_res[
'scale_factor_register_index'] = self._scale_factor_register_index
l_res['has_event'] = self.has_event()
l_res['slave_address'] = self._slave_address
return l_res
def out(self, a_sep='|', an_item_prefix='', a_with_description=False):
"""
returns a string with values of to_ordered_dict()
"""
l_res = ''
for l_key, l_val in self.to_ordered_dict().items():
l_res += an_item_prefix + l_key + ' = ' + str(l_val) + a_sep
return l_res
def out_short(self, a_sep='|'):
"""
returns a string with values of to_ordered_dict()
"""
l_res = ''
l_res = l_res + 'index:' + str(self._register_index) + a_sep
l_res = l_res + 'short:' + self._short_description + a_sep
l_res = l_res + 'desc:' + self._description + a_sep
l_res = l_res + 'val:' + str(self._value) + a_sep
l_res = l_res + 'u:' + str(self._value_unit) + a_sep
l_res = l_res + 'has_event:' + str(self.has_event()) + a_sep
l_res = l_res + 'slave:' + str(self._slave_address)
return l_res
def out_human_readable(self, an_item_prefix='', a_with_description=False):
l_res = ''
assert self.short_description is not None
assert self.value_unit is not None
l_val = self.value
if l_val is None:
l_val = 'None'
elif isinstance(l_val, int) or isinstance(l_val, float):
from sit_utils import SitUtils
l_val = SitUtils.format_number_human_readable(l_val, 2)
if a_with_description:
l_tmp = '({}/{}) '.format(self.register_index, self.slave_address)
l_tmp += self.description
l_desc = ' {:<55}'.format(l_tmp)
else:
l_desc = ''
l_res += an_item_prefix + '{:<23}'.format(
self.short_description) + '{:<5}'.format('=') + '{:<25}'.format(
l_val) + '{:<10}'.format(self.value_unit) + l_desc
return l_res
# TEST FUNCTION
def test(self):
"""
Test function
"""
try:
print("################# BEGIN #################")
self._logger.info(
"--> ************* device models *************: %s" %
(l_d.models)
) #Lists properties to be loaded with l_d.<property>.read() and then access them
self._logger.info(
"-->inverter ************* l_d.inverter.points *************: %s"
% (l_d.inverter.points)
) #Gives the inverter available properties
self._logger.info(
"-->inverter ************* common *************: %s" %
(l_d.common))
self._logger.info(
"-->inverter ************* common Serial Number *************: %s"
% (l_d.common.SN))
except Exception as l_e:
self._logger.exception("Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
self._logger.error('Error: %s' % (l_e))
sys.exit(1)
# INVARIANTS
def invariants(self):
assert self.valid_access_mode(
self._access_mode), 'invalid access mode:{}'.format(
self._access_mode)
assert self.valid_register_index(
self._register_index), 'invalid register index:{}'.format(
self._register_index)
class SitDateTime(object):
# CONSTANTS
DAY, NIGHT = 1, 2
# VARIABLES
_logger = None
# SETTERS AND GETTERS
# FUNCTIONS DEFINITION
def __init__(self):
self._logger = SitLogger().new_logger(__name__)
def local_offset_hours(self):
"""
returns local offset in hours
ex. Chile -3 or -4
"""
l_res = 0
l_cmd = 'date +%z'
try:
l_code, l_stdout, l_stderr = SitUtils.system_call(l_cmd)
l_res = int(l_stdout)
l_res = l_res / 100
except Exception as l_e:
self._logger.error('localOffsetHours error'.format(l_e))
raise l_e
assert l_res <= -3, 'local_offset_hours->invalid_l_res:{}'.format(
l_res)
self._logger.debug('localOffsetHours-> cmd_res:{} res:{}'.format(
l_stdout, l_res))
return l_res
return l_res
def time_is_between(self, a_time_to_check, an_on_time, an_off_time):
"""
https://stackoverflow.com/a/20518510/2118777
l_on_time = datetime.time(23,30)
l_off_time = datetime.time(4,15)
l_timenow = datetime.datetime.now().time()
l_current_time = datetime.datetime.now().time()
l_is_day, l_matching = check_time(l_current_time, l_on_time, l_off_time)
if l_matching:
if l_is_day == NIGHT:
print('Night Time detected.')
elif l_is_day == DAY:
print('Day Time detected.')
"""
if an_on_time > an_off_time:
if a_time_to_check > an_on_time or a_time_to_check < an_off_time:
return self.NIGHT, True
elif an_on_time < an_off_time:
if a_time_to_check > an_on_time and a_time_to_check < an_off_time:
return self.DAY, True
elif a_time_to_check == an_on_time:
return None, True
return None, False
def time_is_into_sunrise_sunset(self,
a_date_time,
a_longitude,
a_latitude,
a_local_offset=-3,
a_sunrise_interval_min=0,
a_sunset_interval_min=0):
"""
is given a_date_time into sunrise sunset range?
return boolean
"""
l_ss = SunriseSunset(datetime.now(),
latitude=a_latitude,
longitude=a_longitude,
localOffset=a_local_offset)
l_sunrise_time, l_sunset_time = l_ss.calculate()
l_res = (
l_sunrise_time + timedelta(seconds=a_sunrise_interval_min * 60) <
datetime.now()
and l_sunset_time - timedelta(seconds=a_sunset_interval_min * 60) >
datetime.now())
self._logger.debug(
'time_is_into_sunrise_sunset-> sunrise_time:{} sunset_time:{} datetime:{} result (sun is up?):{}'
.format(l_sunrise_time, l_sunset_time, a_date_time, l_result))
return l_res
def now_is_into_sunrise_sunset_from_conf(self, a_sit_json_conf):
"""
"""
assert isinstance(a_sit_json_conf, SitJsonConf)
l_longitude = self._sit_json_conf.item('longitude')
l_latitude = self._sit_json_conf.item('latitude')
l_local_offset = self._sit_json_conf.item('local_offset')
l_sunrise_interval_minutes = self._sit_json_conf.item(
'sunrise_interval_minutes')
l_sunset_interval_minutes = self._sit_json_conf.item(
'l_sunset_interval_minutes')
l_res = time_is_into_sunrise_sunset(datetime.now(), l_longitude,
l_latitude, l_local_offset,
l_sunrise_interval_minutes,
l_sunset_interval_minutes)
return l_res
class InverterManager(SitModbusDevice):
# CONSTANTS
DEFAULT_SLAVE_ADDRESS = 125
DEFAULT_MODBUS_PORT = 502
DEFAULT_TARGET_MODE = SitModbusDevice.TARGET_MODE_TCP
MIN_W_FOR_RAISE_EVENT_GENERATION = 50
PARSER_DESCRIPTION = 'Actions with sma inverter manager. ' + SitConstants.DEFAULT_HELP_LICENSE_NOTICE
# CLASS ATTRIBUTES
_byte_order = Endian.Big
_word_order = Endian.Big
_substract_one_to_register_index = True
_slave_addresses_list = None
# FUNCTIONS DEFINITION
"""
Initialize
"""
def __init__(self,
a_slave_address=DEFAULT_SLAVE_ADDRESS,
a_port=DEFAULT_MODBUS_PORT,
an_ip_address=None):
assert self.valid_slave_address(
a_slave_address), 'init invalid slave address'
try:
self.init_arg_parse()
l_slave_address = a_slave_address
if (hasattr(self._args, 'slave_address')
and self._args.slave_address):
self._slave_addresses_list = SitUtils.args_to_list(
self._args.slave_address)
if self._slave_addresses_list is None:
self._slave_addresses_list = [a_slave_address]
assert self.valid_slave_address_list(
self._slave_addresses_list
), 'Given script arguments are not valid, or could not be parsed:{}'.format(
self._slave_addresses_list)
assert self.valid_ip(
self._args.host_ip), 'valid ip address:{}'.format(
self._args.host_ip)
super().__init__(l_slave_address,
self.DEFAULT_TARGET_MODE,
a_port=self.DEFAULT_MODBUS_PORT,
an_ip_address=self._args.host_ip)
self._logger = SitLogger().new_logger(self.__class__.__name__,
self._args.host_mac)
self.invariants()
#self._logger.debug('init->' + self.out())
except OSError as l_e:
self._logger.warning(
"init-> OSError, probably rollingfileAppender" % (l_e))
if e.errno != errno.ENOENT:
raise l_e
except Exception as l_e:
print('Error in init: %s' % (l_e))
raise l_e
#exit(1)
def _init_sit_modbus_registers(self, a_slave_address):
"""
Initializes self._sit_modbus_registers
"""
l_reg_list = OrderedDict()
l_slave_address = a_slave_address
self._add_common_registers(l_reg_list, l_slave_address)
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16u('ID',
'Model ID (ID): 120 = Sunspec nameplate model',
40238,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'uint16',
an_is_metadata=True))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor('AC_A',
'AC Current sum of all inverters',
40188,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'A',
a_scale_factor=40192))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16u(
'VArPct_Mod',
'Mode of the percentile reactive power limitation: 1 = in % of WMax',
40365, l_slave_address, SitModbusRegister.ACCESS_MODE_R,
'enum16'))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16u(
'VArPct_Ena',
'Control of the percentile reactive power limitation,(SMA: Qext): 1 = activated',
40365, l_slave_address, SitModbusRegister.ACCESS_MODE_RW,
'enum16'))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16u('WMaxLim_Ena',
'Limiting (0 Deactivate, 1 activated):', 40353,
l_slave_address,
SitModbusRegister.ACCESS_MODE_RW, 'enum16'))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'WMaxLimPct',
'Set power to default value, in % of WMax-WMaxLimPct_SF',
40349,
l_slave_address,
SitModbusRegister.ACCESS_MODE_RW,
'uint16',
a_scale_factor=40367))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'VRef', 'Voltage at the PCC (VRef), in V VRef_SF (40289)',
40269, l_slave_address, SitModbusRegister.ACCESS_MODE_RW,
'uint16', 40289))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'VMax',
'Set value for maximum voltage (VMax), in V VMinMax_SF',
40271,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'uint16',
a_scale_factor=40291))
self.append_modbus_registers(l_reg_list)
self.invariants()
def _add_common_registers(self, a_reg_list, a_slave_address):
"""
adds to a_reg_list
"""
l_reg_list = a_reg_list
l_slave_address = a_slave_address
SitUtils.od_extend(
l_reg_list,
RegisterTypeString16('Mn',
'Manufacturer',
40005,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'String16',
an_is_metadata=True))
SitUtils.od_extend(
l_reg_list,
RegisterTypeString16('Md',
'Model (Md): SMA Inverter Manager',
40021,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'String16',
an_is_metadata=True))
SitUtils.od_extend(
l_reg_list,
RegisterTypeString8('Opt',
'Options (Opt): Inverter Manager name',
40037,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'String8',
an_is_metadata=True))
SitUtils.od_extend(
l_reg_list,
RegisterTypeString8(
'Vr',
'Version (Vr): Version number of the installed firmware',
40045,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'String8',
an_is_metadata=True))
SitUtils.od_extend(
l_reg_list,
RegisterTypeString16(
'SN',
'Serial number (SN) of the device that uses the Modbus unit ID',
40053,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'String16',
an_is_metadata=True))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'PPVphAB',
'Voltage, line conductor L1 to L2, in V V_SF (40199) : average value of all inverters',
40193,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'V',
a_scale_factor=40199))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'PPVphBC',
'Voltage, line conductor L2 to L3, in V V_SF (40199) : average value of all inverters',
40194,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'V',
a_scale_factor=40199))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'PPVphCA',
'Voltage, line conductor L3 to L1, in V V_SF (40199) : average value of all inverters',
40195,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'V',
a_scale_factor=40199))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'PPVphA',
'Voltage, line conductor L1 to N (PPVphA), in V-V_SF (40199): average value of all inverters',
40196,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'V',
a_scale_factor=40199))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'PPVphB',
'Voltage, line conductor L1 to N (PPVphB), in V-V_SF (40199): average value of all inverters',
40197,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'V',
a_scale_factor=40199))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'PPVphC',
'Voltage, line conductor L1 to N (PPVphC), in V-V_SF (40199): average value of all inverters',
40198,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'V',
a_scale_factor=40199))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'W',
'Active power (W), in W-W_SF (40201): sum of all inverters',
40200,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'W',
a_scale_factor=40192,
an_event=SitModbusRegisterEvent(self._W_event),
a_post_set_value_call=self.w_fix))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt32uScaleFactor(
'WH',
'Total yield (WH), in Wh WH_SF (40212): sum of all inverters',
40210,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'WH',
a_scale_factor=40212))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16uScaleFactor(
'TmpCab',
'Internal temperature, in °C Tmp_SF (40223): average value of all inverters',
40219,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'°C',
a_scale_factor=40223))
def _W_event(self, a_sit_modbus_register):
"""
Called by modbus_device.call_sit_modbus_registers_events()
"""
self._logger.debug('_W_event-> register:{}'.format(
a_sit_modbus_register.out_short()))
l_short_desc = 'W'
l_min_val = self.MIN_W_FOR_RAISE_EVENT_GENERATION
l_val = a_sit_modbus_register.value
l_sit_dt = SitDateTime()
if a_sit_modbus_register.short_description == l_short_desc:
l_start_time = time(8, 30)
l_end_time = time(16, 30)
l_is_day, l_valid_time = l_sit_dt.time_is_between(
datetime.now().time(), l_start_time, l_end_time)
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#
# self._logger.debug('read_sit_modbus_register-> l_is_day:{} l_valid_time:{} l_is_between_sunrise_sunset:{}'.format(l_is_day, l_valid_time, l_is_between_sunrise_sunset))
l_msg = '_W_event-> register_index:{} value ({}) '.format(
a_sit_modbus_register.register_index, l_val)
l_msg += ' between {} and {}'.format(l_start_time, l_end_time)
self._logger.info(
'_W_event-> DEVICE IS GENERATING {} kW'.format(l_val))
if (l_valid_time and l_val <= l_min_val):
l_msg = '_W_event-> register_index:{} value ({} <= {}), valid_time:{}'.format(
a_sit_modbus_register.register_index, l_val, l_min_val,
l_valid_time)
self._logger.warning(l_msg)
# Create Dir
l_dir = '/tmp/solarity_events'
if not os.path.exists(l_dir):
os.makedirs(l_dir)
l_file = self.__class__.__name__ + '_event_{}_register_{}_slave_{}'.format(
datetime.now().strftime("%Y%m%d_%H"),
a_sit_modbus_register.register_index,
a_sit_modbus_register.slave_address)
l_file_abs_path = l_dir + '/' + l_file
if not os.path.exists(l_file_abs_path):
self._logger.info(
'_W_event-> Event not sent, sending email file:{}'.
format(l_file_abs_path))
# SEND MAIL
l_subject = 'event with failure on $(hostname) ' + str(
a_sit_modbus_register.slave_address
) + ' $(date +%Y%m%d_%H%M%S) W val:(' + str(
l_val) + ' <= ' + str(l_min_val) + ')kW '
l_body = [
'event in slave:{} with failure on $(hostname) $(date +%Y%m%d_%H%M%S) review file {}'
.format(
a_sit_modbus_register.slave_address,
self.csv_file_path(
a_sit_modbus_register.slave_address))
]
l_body.append(' Between {} and {}'.format(
l_start_time, l_end_time))
l_body.append('Register->out:{}'.format(
a_sit_modbus_register.out_human_readable(
a_with_description=self._args.long)))
SitUtils.send_mail(
self.events_mail_receivers(), l_subject, l_body, [
self.csv_file_path(
a_sit_modbus_register.slave_address)
])
os.mknod(l_file_abs_path)
else:
self._logger.warning(
'_W_event-> Event already sent, not sending email file:{}'
.format(l_file_abs_path))
else:
l_msg = '_W_event-> Event not raised register_index:{} value ({} > {}), valid_time:{}'.format(
a_sit_modbus_register.register_index, l_val, l_min_val,
l_valid_time)
self._logger.debug(l_msg)
def w_fix(self, a_sit_modbus_register):
"""
"""
l_new_val = a_sit_modbus_register.value * 100
self._logger.debug('w_fix->Setting new value-> old:{} new:{}'.format(
a_sit_modbus_register.value, l_new_val))
a_sit_modbus_register.value = l_new_val
def manual_restart(self):
"""
Manual restart
documented on p.45 of doc
"""
l_res = 'test_res'
self._logger.info('manual_restart-> NOW')
#a_register_index, a_slave_address, a_value):
l_res = self.write_register_value(0, 201, 1)
self._logger.info('manual_restart-> result:{}'.format(l_res))
return l_res
# ACCESS
# IMPLEMENTATION
# EXECUTE ARGS
"""
Parsing arguments and calling corresponding functions
"""
def execute_corresponding_args(self):
try:
self.connect()
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.INFO)
if self._args.store_values or self._args.display_all or self._args.test or self._args.raise_event:
assert self.valid_slave_address_list(
self._slave_addresses_list
), 'Slave addresses list is invalid:{}'.format(
self._slave_addresses_list)
# FOR EACH SLAVE
for l_slave in self._slave_addresses_list:
self._sit_modbus_registers = OrderedDict()
try:
self._init_sit_modbus_registers(l_slave)
self.read_all_sit_modbus_registers()
if self._args.store_values:
self.store_values_into_csv(
self._sit_modbus_registers, l_slave)
if self._args.display_all:
print(
self.out_human_readable(
a_with_description=self._args.long))
if self._args.raise_event:
assert len(self._sit_modbus_registers
) > 0, 'modbus_registers_not_empty'
self.call_sit_modbus_registers_events()
if self._args.test:
self.test()
except ModbusException as l_e:
self._logger.error(
'Modbus error on slave {}, msg:{}'.format(
l_slave, l_e))
except Exception as l_e:
self._logger.error(
'Exception on slave {}, msg:{}'.format(
l_slave, l_e))
raise l_e
if self._args.manual_restart:
self.manual_restart()
except Exception as l_e:
self._logger.exception(
"execute_corresponding_args-> Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
raise l_e
finally:
if self.is_connected():
self.disconnect()
self.invariants()
def add_arg_parse_modbus_device(self):
super().add_arg_parse()
def add_arg_parse(self):
"""
Override method
"""
self.add_arg_parse_modbus_device()
self._parser.add_argument(
'-e',
'--raise_event',
help='Raises the corresponding event if setted',
action="store_true")
self._parser.add_argument(
'-r',
'--manual_restart',
help='Sends a manual restart to inverter manager',
action="store_true")
self._parser.add_argument('-c',
'--slave_address',
help='Slave address of modbus device',
nargs='?')
def add_required_named(self, a_required_named):
pass
def test(self):
"""
Test function
"""
try:
self._logger.info("################# BEGIN #################")
# l_sit_dt = SitDateTime()
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#self.call_sit_modbus_registers_events(l_slave)
# self._logger.info("--> ************* device models *************: %s" % (l_d.models)) #Lists properties to be loaded with l_d.<property>.read() and then access them
# self._logger.info("-->inverter ************* l_d.inverter.points *************: %s" % (l_d.inverter.points)) #Gives the inverter available properties
# self._logger.info("-->inverter ************* common *************: %s" % (l_d.common))
# self._logger.info("-->inverter ************* common Serial Number *************: %s" % (l_d.common.SN))
self._logger.info("################# END #################")
except Exception as l_e:
self._logger.exception("Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
self._logger.error('Error: %s' % (l_e))
raise l_e
def events_mail_receivers(self):
return [
'*****@*****.**',
'*****@*****.**'
]
#return ['*****@*****.**']
#return ['*****@*****.**', '*****@*****.**']
def invariants_modbus_device(self):
super().invariants()
def invariants(self):
self.invariants_modbus_device()
assert isinstance(
self._slave_addresses_list, list
) or self._slave_addresses_list is None, 'self._slave_address is list or None {}'.format(
self._slave_addresses_list)
for l_slave in self._slave_addresses_list:
assert l_slave >= 3, 'l_slave >=3 not the case:{}'.format(l_slave)
class DataManagerInverter(ClusterController):
# CONSTANTS
DEFAULT_SLAVE_ADDRESS = 3
MIN_W_FOR_RAISE_EVENT_GENERATION = 2000
PARSER_DESCRIPTION = 'Actions with sma data manager inverters . ' + SitConstants.DEFAULT_HELP_LICENSE_NOTICE
# CLASS ATTRIBUTES
_byte_order = Endian.Big
_word_order = Endian.Big
_substract_one_to_register_index = False
_slave_addresses_list = None
_current_read_device_class = None
_last_read_slave_address = None
_last_read_serial_number = None
# INITIALIZE
"""
Initialize
"""
def __init__(self,
a_slave_address=DEFAULT_SLAVE_ADDRESS,
a_port=ClusterController.DEFAULT_MODBUS_PORT,
an_ip_address=None):
"""
slave_address priority to commandline arguments
"""
assert self.valid_slave_address(
a_slave_address), 'init invalid slave address'
try:
self.init_arg_parse()
l_slave_address = a_slave_address
if (hasattr(self._args, 'slave_address')
and self._args.slave_address):
self._slave_addresses_list = SitUtils.args_to_list(
self._args.slave_address)
assert self.valid_slave_address_list(
self._slave_addresses_list
), 'Given script arguments are not valid, or could not be parsed'
assert self.valid_ip(
self._args.host_ip), 'valid ip address:{}'.format(
self._args.host_ip)
super().__init__(l_slave_address,
a_port=a_port,
an_ip_address=self._args.host_ip)
self._logger = SitLogger().new_logger(self.__class__.__name__,
self._args.host_mac)
self.invariants()
#self._logger.debug('init->' + self.out())
except OSError as l_e:
self._logger.warning(
"init-> OSError, probably rollingfileAppender" % (l_e))
if e.errno != errno.ENOENT:
raise l_e
except Exception as l_e:
print('Error in init: %s' % (l_e))
raise l_e
#exit(1)
def _init_sit_modbus_registers(self, a_slave_address):
"""
Initializes self._sit_modbus_registers
"""
self.add_common_sit_modbus_registers(a_slave_address)
#self.add_cc_only_sit_modbus_registers(a_slave_address)
self.invariants()
def add_common_sit_modbus_registers(self, a_slave_address):
"""
COMMON REGISTERS to ClusterController and Inverters
"""
super().add_common_sit_modbus_registers(a_slave_address)
# l_reg_list = OrderedDict()
#
# #PARAMETERS UNIT_ID = 2 (p.26 of doc)
# SitUtils.od_extend(l_reg_list, RegisterTypeInt64u('Wh2', 'Total energy fed in across all line conductors, in Wh (accumulated values of the inverters) System param', 30513, SitModbusRegister.ACCESS_MODE_R, 'Wh', an_is_metadata=False, a_slave_address=2))
#
# self.append_modbus_registers(l_reg_list)
# MODBUS READING
def read_all_sit_modbus_registers(self):
"""
Reads all registers and print result as debug
"""
self._logger.debug(
'read_all_sit_modbus_registers-> registers to read count({}) start --------------------------------------------------'
.format(len(self._sit_modbus_registers)))
for l_short_desc, l_sit_reg in self._sit_modbus_registers.items():
self.read_sit_modbus_register(l_sit_reg)
# Setting slave address if changed
if self._last_read_slave_address != l_sit_reg.slave_address:
self._current_read_device_class = None
self._last_read_serial_number = None
self._last_read_slave_address = l_sit_reg.slave_address
#Setting device class
if l_sit_reg.short_description == 'DeviceClass':
self._current_read_device_class = l_sit_reg.value
elif l_sit_reg.short_description == 'SN':
self._last_read_serial_number = l_sit_reg.value
if l_sit_reg.has_post_set_value_call():
l_sit_reg.call_post_set_value()
#self._logger.debug('read_all_registers-> sit_register.out():%s' % (l_sit_reg.out()))
self._logger.debug(
'read_all_registers-> sit_register.out_short():%s' %
(l_sit_reg.out_short()))
# EVENTS
def _W_event(self, a_sit_modbus_register):
"""
REDEFINE
Called by modbus_device.call_sit_modbus_registers_events()
"""
if 'PV inverter' in self._current_read_device_class:
super()._W_event(a_sit_modbus_register)
def _setted_parts(self, a_subject, a_body):
"""
return subject and body
"""
l_sub = a_subject + ' SN:{}'.format(self._last_read_serial_number)
l_body = a_body
return l_sub, l_body
# IMPLEMENTATION
# EXECUTE ARGS
"""
Parsing arguments and calling corresponding functions
"""
def execute_corresponding_args(self):
try:
self.connect()
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.INFO)
if self._args.store_values or self._args.display_all or self._args.test or self._args.raise_event:
assert self.valid_slave_address_list(
self._slave_addresses_list
), 'Slave addresses list is invalid:{}'.format(
self._slave_addresses_list)
self._logger.debug(
'execute_corresponding_args-> _slave_addresses_list:{}'.
format(self._slave_addresses_list))
# FOR EACH SLAVE
for l_slave in self._slave_addresses_list:
self._sit_modbus_registers = OrderedDict()
try:
self._init_sit_modbus_registers(l_slave)
self.read_all_sit_modbus_registers()
if self._args.store_values:
self.store_values_into_csv(
self._sit_modbus_registers, l_slave)
if self._args.display_all:
print(
self.out_human_readable(
a_with_description=self._args.long))
if self._args.raise_event:
assert len(self._sit_modbus_registers
) > 0, 'modbus_registers_not_empty'
self.call_sit_modbus_registers_events()
if self._args.test:
self.test()
except ModbusException as l_e:
self._logger.error(
'Modbus error on slave {}, msg:{}'.format(
l_slave, l_e))
except Exception as l_e:
self._logger.error(
'Exception on slave {}, msg:{}'.format(
l_slave, l_e))
raise l_e
except Exception as l_e:
self._logger.exception(
"execute_corresponding_args-> Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
raise l_e
finally:
if self.is_connected():
self.disconnect()
self.invariants()
def add_arg_parse(self):
"""
Override method
"""
self.add_arg_parse_modbus_device()
self._parser.add_argument(
'-e',
'--raise_event',
help='Raises the corresponding event if setted',
action="store_true")
self._parser.add_argument('-c',
'--slave_address',
help='Slave address of modbus device',
nargs='?',
required=True)
def add_required_named(self, a_required_named):
pass
def test(self):
"""
Test function
"""
try:
self._logger.info("################# BEGIN #################")
# l_sit_dt = SitDateTime()
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#self.call_sit_modbus_registers_events(l_slave)
# self._logger.info("--> ************* device models *************: %s" % (l_d.models)) #Lists properties to be loaded with l_d.<property>.read() and then access them
# self._logger.info("-->inverter ************* l_d.inverter.points *************: %s" % (l_d.inverter.points)) #Gives the inverter available properties
# self._logger.info("-->inverter ************* common *************: %s" % (l_d.common))
# self._logger.info("-->inverter ************* common Serial Number *************: %s" % (l_d.common.SN))
self._logger.info("################# END #################")
except Exception as l_e:
self._logger.exception("Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
self._logger.error('Error: %s' % (l_e))
raise l_e
def invariants(self):
self.invariants_modbus_device()
assert isinstance(
self._slave_addresses_list, list
) or self._slave_addresses_list is None, 'self._slave_address is list or None {}'.format(
self._slave_addresses_list)
for l_slave in self._slave_addresses_list:
assert l_slave >= 3, 'l_slave >=3 not the case:{}'.format(l_slave)
class SmartLogger1000aInverter(SitModbusDevice):
# CONSTANTS
DEFAULT_SLAVE_ADDRESS = 1
DEFAULT_MODBUS_PORT = 502
DEFAULT_TARGET_MODE = SitModbusDevice.TARGET_MODE_TCP
MIN_W_FOR_RAISE_EVENT_GENERATION = 50
PARSER_DESCRIPTION = 'Actions with Huawei smart logger 1000a device. ' + SitConstants.DEFAULT_HELP_LICENSE_NOTICE
# CLASS ATTRIBUTES
_byte_order = Endian.Big
_word_order = Endian.Big
_substract_one_to_register_index = False
_inverter_indexes_list = None
# FUNCTIONS DEFINITION
"""
Initialize
"""
def __init__(self, a_slave_address=DEFAULT_SLAVE_ADDRESS, a_port=DEFAULT_MODBUS_PORT, an_ip_address=None):
assert self.valid_slave_address(a_slave_address), 'invalid a_slave_address:{}'.format(a_slave_address)
try:
self.init_arg_parse()
assert self.valid_slave_address(a_slave_address), 'a_slave_address parameter invalid:{}'.format(l_slave_address)
l_slave_address = a_slave_address
if __name__ == '__main__':
if (hasattr(self._args, 'slave_address') and self._args.slave_address):
l_slave_address = self._args.slave_address
super().__init__(l_slave_address, self.DEFAULT_TARGET_MODE, a_port=self.DEFAULT_MODBUS_PORT, an_ip_address=self._args.host_ip)
self._inverter_indexes_list = SitUtils.args_to_list(self._args.inverter_index)
self._logger = SitLogger().new_logger(self.__class__.__name__, self._args.host_mac)
self.invariants()
#self._logger.debug('init->' + self.out())
except OSError as l_e:
self._logger.warning("init-> OSError, probably rollingfileAppender" % (l_e))
if e.errno != errno.ENOENT:
raise l_e
except Exception as l_e:
print('Error in init: %s' % (l_e))
raise l_e
#exit(1)
def _init_sit_modbus_registers(self, a_slave_address, an_inverter_index):
"""
Initializes self._sit_modbus_registers
"""
assert self.valid_slave_address(a_slave_address), 'invalid a_slave_address:{}'.format(a_slave_address)
assert self.valid_inverter_index (an_inverter_index), 'valid inverter index:{}'.format(an_inverter_index)
self.add_inverter_modbus_registers(1, an_inverter_index)
self.invariants()
def add_inverter_modbus_registers(self, a_slave_address, an_inverter_index):
"""
INVERTERS see p.20 of documentation
"""
assert an_inverter_index >= 1, 'inverter index >= 1: {}'.format(an_inverter_index)
l_initial_register_address = 51000
l_base_address = l_initial_register_address + (25 * (an_inverter_index - 1))
l_reg_list = OrderedDict()
l_slave_address = a_slave_address
self._logger.info('add_inverter_modbus_registers-> Base address: {}'.format(l_base_address))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s(SitConstants.SS_REG_SHORT_ABB_AC_POWER, 'Active power for inverter nr: {}'.format(an_inverter_index), l_base_address, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'W', an_is_metadata=False, an_event=SitModbusRegisterEvent(self._W_event)))
SitUtils.od_extend(l_reg_list, RegisterTypeInt16u(SitConstants.SS_REG_SHORT_ABB_STATUS_OPERATING_STATE, 'Status for inverter nr: {}'.format(an_inverter_index), l_base_address + 9, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'deg celcius', an_is_metadata=False))
SitUtils.od_extend(l_reg_list, RegisterTypeInt16s(SitConstants.SS_REG_SHORT_ABB_TEMP_CAB, 'Cabinet temperatore for inverter nr: {}'.format(an_inverter_index), l_base_address + 11, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'deg celcius', an_is_metadata=False))
self.append_modbus_registers(l_reg_list)
def _W_event(self, a_sit_modbus_register):
"""
Called by modbus_device.call_sit_modbus_registers_events()
"""
self._logger.debug('_W_event-> register:{}'.format(a_sit_modbus_register.out_short()))
l_short_desc = 'W'
l_min_val = self.MIN_W_FOR_RAISE_EVENT_GENERATION
l_val = a_sit_modbus_register.value
l_sit_dt = SitDateTime()
if a_sit_modbus_register.short_description == l_short_desc:
l_start_time = time(8, 30)
l_end_time = time(16, 30)
l_is_day, l_valid_time = l_sit_dt.time_is_between(datetime.now().time(), l_start_time, l_end_time)
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#
# self._logger.debug('read_sit_modbus_register-> l_is_day:{} l_valid_time:{} l_is_between_sunrise_sunset:{}'.format(l_is_day, l_valid_time, l_is_between_sunrise_sunset))
l_msg = '_W_event-> register_index:{} value ({}) '.format(a_sit_modbus_register.register_index, l_val)
l_msg += ' between {} and {}'.format(l_start_time, l_end_time)
self._logger.info('_W_event-> DEVICE IS GENERATING {} kW'.format(l_val))
if ( l_valid_time and
l_val <= l_min_val):
l_msg = '_W_event-> register_index:{} value ({} <= {}), valid_time:{}'.format(a_sit_modbus_register.register_index, l_val, l_min_val, l_valid_time)
self._logger.warning(l_msg)
# Create Dir
l_dir = '/tmp/solarity_events'
if not os.path.exists(l_dir):
os.makedirs(l_dir)
l_file = self.__class__.__name__ + '_event_{}_register_{}_slave_{}'.format(datetime.now().strftime("%Y%m%d_%H"), a_sit_modbus_register.register_index, a_sit_modbus_register.slave_address)
l_file_abs_path = l_dir + '/' + l_file
if not os.path.exists(l_file_abs_path):
self._logger.info('_W_event-> Event not sent, sending email file:{}'.format(l_file_abs_path))
# SEND MAIL
l_subject = 'event with failure on $(hostname) slave:' + str(a_sit_modbus_register.slave_address) + ' $(date +%Y%m%d_%H%M%S) W val:(' + str(l_val) + ' <= ' + str(l_min_val) + ')W '
l_body = ['event in slave:{} with failure on $(hostname) $(date +%Y%m%d_%H%M%S) review file {}'.format(a_sit_modbus_register.slave_address, self.csv_file_path(a_sit_modbus_register.slave_address))]
l_body.append(' Between {} and {}'.format(l_start_time, l_end_time))
l_body.append('Register->out:{}'.format(a_sit_modbus_register.out_human_readable(a_with_description=self._args.long)))
l_subject, l_body = self._setted_parts(l_subject, l_body)
SitUtils.send_mail(self.events_mail_receivers(), l_subject, l_body, [self.csv_file_path(a_sit_modbus_register.slave_address)])
os.mknod(l_file_abs_path)
else:
self._logger.warning('_W_event-> Event already sent, not sending email file:{}'.format(l_file_abs_path))
else:
l_msg = '_W_event-> Event not raised register_index:{} value ({} > {}), valid_time:{}'.format(a_sit_modbus_register.register_index, l_val, l_min_val, l_valid_time)
self._logger.debug(l_msg)
def _setted_parts(self, a_subject, a_body):
return a_subject, a_body
# ACCESS
# IMPLEMENTATION
# EXECUTE ARGS
"""
Parsing arguments and calling corresponding functions
"""
def execute_corresponding_args(self):
try:
self.connect()
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.INFO)
if self._args.store_values or self._args.display_all or self._args.test or self._args.raise_event:
assert self.valid_slave_address(self._slave_address), 'Invalid slave address {}'.format(self._slave_address)
for l_inverter_index in self._inverter_indexes_list:
assert self.valid_inverter_index(l_inverter_index), 'execute_corresponding_args->valid inverter index:{}'.format(l_inverter_index)
self._init_sit_modbus_registers(self._slave_address, l_inverter_index)
self.read_all_sit_modbus_registers()
if self._args.store_values:
self.store_values_into_csv(self._sit_modbus_registers, self._slave_address)
if self._args.display_all:
print(self.out_human_readable(a_with_description=self._args.long))
if self._args.raise_event:
assert len(self._sit_modbus_registers) > 0, 'modbus_registers_not_empty'
self.call_sit_modbus_registers_events()
if self._args.test:
self.test()
# if self._args.manual_restart:
# self.manual_restart()
except Exception as l_e:
self._logger.exception("execute_corresponding_args-> Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
raise l_e
finally:
if self.is_connected():
self.disconnect()
self.invariants()
def add_arg_parse_modbus_device(self):
super().add_arg_parse()
def add_arg_parse(self):
"""
Override method
"""
self.add_arg_parse_modbus_device()
self._parser.add_argument('-e', '--raise_event', help='Raises the corresponding event if setted', action="store_true")
#self._parser.add_argument('-r', '--manual_restart', help='Sends a manual restart to inverter manager', action="store_true")
self._parser.add_argument('-c', '--slave_address', help='Slave address of modbus device', nargs='?')
def add_required_named(self, a_required_named):
"""
"""
a_required_named.add_argument('-x', '--inverter_index', help='Inverter index >= 1, can be 1-n or 1,2,5', nargs='?', required=True)
def test(self):
"""
Test function
"""
try:
self._logger.info ("################# BEGIN #################")
# l_sit_dt = SitDateTime()
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#self.call_sit_modbus_registers_events(l_slave)
# self._logger.info("--> ************* device models *************: %s" % (l_d.models)) #Lists properties to be loaded with l_d.<property>.read() and then access them
# self._logger.info("-->inverter ************* l_d.inverter.points *************: %s" % (l_d.inverter.points)) #Gives the inverter available properties
# self._logger.info("-->inverter ************* common *************: %s" % (l_d.common))
# self._logger.info("-->inverter ************* common Serial Number *************: %s" % (l_d.common.SN))
self._logger.info ("################# END #################")
except Exception as l_e:
self._logger.exception("Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
self._logger.error('Error: %s' % (l_e))
raise l_e
def events_mail_receivers(self):
return ['*****@*****.**', '*****@*****.**']
#return ['*****@*****.**']
#return ['*****@*****.**', '*****@*****.**']
def valid_inverter_index(self, an_inverter_index):
return an_inverter_index >= 1
def invariants_modbus_device(self):
super().invariants()
def invariants(self):
self.invariants_modbus_device()
class ClusterController(SitModbusDevice):
# CONSTANTS
DEFAULT_SLAVE_ADDRESS = 1
DEFAULT_MODBUS_PORT = 502
DEFAULT_TARGET_MODE = SitModbusDevice.TARGET_MODE_TCP
MIN_W_FOR_RAISE_EVENT_GENERATION = 2000
PARSER_DESCRIPTION = 'Actions with sma cluster controller device. ' + SitConstants.DEFAULT_HELP_LICENSE_NOTICE
# CLASS ATTRIBUTES
_byte_order = Endian.Big
_word_order = Endian.Big
_substract_one_to_register_index = False
# FUNCTIONS DEFINITION
"""
Initialize
"""
def __init__(self, a_slave_address=DEFAULT_SLAVE_ADDRESS, a_port=DEFAULT_MODBUS_PORT, an_ip_address=None):
assert self.valid_slave_address(a_slave_address), 'invalid a_slave_address:{}'.format(a_slave_address)
try:
self.init_arg_parse()
assert self.valid_slave_address(a_slave_address), 'a_slave_address parameter invalid:{}'.format(l_slave_address)
l_slave_address = a_slave_address
if __name__ == '__main__':
if (hasattr(self._args, 'slave_address') and self._args.slave_address):
l_slave_address = self._args.slave_address
super().__init__(l_slave_address, self.DEFAULT_TARGET_MODE, a_port=self.DEFAULT_MODBUS_PORT, an_ip_address=self._args.host_ip)
self._logger = SitLogger().new_logger(self.__class__.__name__, self._args.host_mac)
self._init_sit_modbus_registers(l_slave_address)
self.invariants()
#self._logger.debug('init->' + self.out())
except OSError as l_e:
self._logger.warning("init-> OSError, probably rollingfileAppender" % (l_e))
if e.errno != errno.ENOENT:
raise l_e
except Exception as l_e:
print('Error in init: %s' % (l_e))
raise l_e
#exit(1)
def _init_sit_modbus_registers(self, a_slave_address):
"""
Initializes self._sit_modbus_registers
"""
assert self.valid_slave_address(a_slave_address), 'invalid a_slave_address:{}'.format(a_slave_address)
self.add_common_sit_modbus_registers(1)
self.add_cc_only_sit_modbus_registers(2)
self.invariants()
def add_common_sit_modbus_registers(self, a_slave_address):
"""
Common devices registers
"""
assert self.valid_slave_address(a_slave_address), 'invalid a_slave_address:{}'.format(a_slave_address)
assert a_slave_address == 1 or a_slave_address >= 3, 'Dont ask for slave_address 2, the add_cc_only_sit_modbus_registers is done for that! addr:{}'.format(a_slave_address)
l_reg_list = OrderedDict()
l_slave_address = a_slave_address
# CLUSTER AND INVERTERS
SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('Vr', 'Version number of the SMA Modbus profile', 30001, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('ID', 'SUSy ID (of the Cluster Controller)', 30003, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('SN', 'Serial number (of the Cluster Controller)', 30005, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('NewData', 'Modbus data change: meter value is increased by the Cluster Controller if new data is available.', 30007, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=False))
SitUtils.od_extend(l_reg_list, RegisterTypeSmaCCDeviceClass('DeviceClass', 'Device Class', 30051, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Enum', an_is_metadata=True))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('W', 'Current active power on all line conductors (W), accumulated values of the inverters', 30775, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'W', an_is_metadata=False, an_event=SitModbusRegisterEvent(self._W_event)))
SitUtils.od_extend(l_reg_list, RegisterTypeInt64u('Wh', 'Total energy fed in across all line conductors, in Wh (accumulated values of the inverters) System param', 30513, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Wh', an_is_metadata=False))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('VAr', 'Reactive power on all line conductors (var), accumulated values of the inverters', 30805, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'VAr', an_is_metadata=False))
SitUtils.od_extend(l_reg_list, RegisterTypeInt64u('TotWhDay', 'Energy fed in on current day across all line conductors, in Wh (accumulated values of the inverters)', 30517, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Wh', an_is_metadata=False))
self.append_modbus_registers(l_reg_list)
def add_cc_only_sit_modbus_registers(self, a_slave_address):
"""
Registers particular to cluster controller
"""
assert self.valid_slave_address(a_slave_address), 'invalid a_slave_address:{}'.format(a_slave_address)
assert a_slave_address == 2, 'add_cc_only_sit_modbus_registers->for this part slave_address should be =2 and is:{}'.format(a_slave_address)
l_reg_list = OrderedDict()
l_slave_address = a_slave_address
#PARAMETERS UNIT_ID = 2 (p.26 of doc)
SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('WDigIo', 'Active power setpoint Digital I/O', 31235, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('WAnalog', 'Active power setpoint Analog', 31237, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('WSetPoint', 'Active power setpoint in %s', 31239, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('WSetPointDirMar', 'Active power setpoint in %s Specification Modbus Direct marketing', 31241, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('ResSetPoint', 'Resulting setpoint (minimum value definition of all specifications)', 31243, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
#Strange
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('WExport', 'Current utility grid export active power P in W (actual value of the active power fed in at the grid-connection point; measured with an external measuring device).', 31249, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('VArExport', 'Current utility grid export reactive power Q in VAr (actual value of the reactive power fed in at the grid- connection point; measured with an external measuring device).', 31251, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('AC_1', 'Analog current input 1 (mA)', 34637, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'mA', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('AC_2', 'Analog current input 2 (mA)', 34639, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'mA', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('AC_3', 'Analog current input 3 (mA)', 34641, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'mA', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('AC_4', 'Analog current input 4 (mA)', 34643, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'mA', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('InDCV_1', 'Analog voltage input 1 (V)', 34645, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'V', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('InDCV_2', 'Analog voltage input 2 (V)', 34647, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'V', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('InDCV_3', 'Analog voltage input 3 (V)', 34649, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'V', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('InDCV_4', 'Analog voltage input 4 (V)', 34651, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'V', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt16s('WSetPointDirTotal', 'Direct marketer: Active power setpoint P, in % of the maximum active power (PMAX) of the PV plant. -100-0=Load|0=No active power|0-100 generator', 40493, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('WSetPointMan', 'Active power setpoint (manual specification)', 41167, l_slave_address, SitModbusRegister.ACCESS_MODE_R, '%', an_is_metadata=False, a_post_set_value_call=self.sma_fix2))
# IRRADIATIONS
# not working on sanbe, getting max_int, SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('IrradiationSurfaceTot', 'Total irradiation on the sensor surface (W/m2)', 34613, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'W/m2', an_is_metadata=False))
SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('GHI', 'Total irradiation on the external irradiation sensor/pyranometer (W/m2)', 34623, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'W/m2', an_is_metadata=False))
self.append_modbus_registers(l_reg_list)
def sma_fix2(self, a_sit_modbus_register):
"""
"""
l_new_val = a_sit_modbus_register.value / 100
self._logger.debug('sma_fix2->Setting new value-> old:{} new:{}'.format(a_sit_modbus_register.value, l_new_val))
a_sit_modbus_register.value = l_new_val
def _W_event(self, a_sit_modbus_register):
"""
Called by modbus_device.call_sit_modbus_registers_events()
"""
self._logger.debug('_W_event-> register:{}'.format(a_sit_modbus_register.out_short()))
l_short_desc = 'W'
l_min_val = self.MIN_W_FOR_RAISE_EVENT_GENERATION
l_val = a_sit_modbus_register.value
l_sit_dt = SitDateTime()
if a_sit_modbus_register.short_description == l_short_desc:
l_start_time = time(8, 30)
l_end_time = time(16, 30)
l_is_day, l_valid_time = l_sit_dt.time_is_between(datetime.now().time(), l_start_time, l_end_time)
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#
# self._logger.debug('read_sit_modbus_register-> l_is_day:{} l_valid_time:{} l_is_between_sunrise_sunset:{}'.format(l_is_day, l_valid_time, l_is_between_sunrise_sunset))
l_msg = '_W_event-> register_index:{} value ({}) '.format(a_sit_modbus_register.register_index, l_val)
l_msg += ' between {} and {}'.format(l_start_time, l_end_time)
self._logger.info('_W_event-> DEVICE IS GENERATING {} kW'.format(l_val))
if ( l_valid_time and
l_val <= l_min_val):
l_msg = '_W_event-> register_index:{} value ({} <= {}), valid_time:{}'.format(a_sit_modbus_register.register_index, l_val, l_min_val, l_valid_time)
self._logger.warning(l_msg)
# Create Dir
l_dir = '/tmp/solarity_events'
if not os.path.exists(l_dir):
os.makedirs(l_dir)
l_file = self.__class__.__name__ + '_event_{}_register_{}_slave_{}'.format(datetime.now().strftime("%Y%m%d_%H"), a_sit_modbus_register.register_index, a_sit_modbus_register.slave_address)
l_file_abs_path = l_dir + '/' + l_file
if not os.path.exists(l_file_abs_path):
self._logger.info('_W_event-> Event not sent, sending email file:{}'.format(l_file_abs_path))
# SEND MAIL
l_subject = 'event with failure on $(hostname) slave:' + str(a_sit_modbus_register.slave_address) + ' $(date +%Y%m%d_%H%M%S) W val:(' + str(l_val) + ' <= ' + str(l_min_val) + ')W '
l_body = ['event in slave:{} with failure on $(hostname) $(date +%Y%m%d_%H%M%S) review file {}'.format(a_sit_modbus_register.slave_address, self.csv_file_path(a_sit_modbus_register.slave_address))]
l_body.append(' Between {} and {}'.format(l_start_time, l_end_time))
l_body.append('Register->out:{}'.format(a_sit_modbus_register.out_human_readable(a_with_description=self._args.long)))
l_subject, l_body = self._setted_parts(l_subject, l_body)
SitUtils.send_mail(self.events_mail_receivers(), l_subject, l_body, [self.csv_file_path(a_sit_modbus_register.slave_address)])
os.mknod(l_file_abs_path)
else:
self._logger.warning('_W_event-> Event already sent, not sending email file:{}'.format(l_file_abs_path))
else:
l_msg = '_W_event-> Event not raised register_index:{} value ({} > {}), valid_time:{}'.format(a_sit_modbus_register.register_index, l_val, l_min_val, l_valid_time)
self._logger.debug(l_msg)
def _setted_parts(self, a_subject, a_body):
return a_subject, a_body
def manual_restart(self):
"""
Manual restart
documented on p.45 of doc
"""
l_res = 'test_res'
self._logger.info('manual_restart-> NOW')
#a_register_index, a_slave_address, a_value):
l_res = self.write_register_value(0, 201, 1)
self._logger.info('manual_restart-> result:{}'.format(l_res))
return l_res
def read_all_sit_modbus_registers(self):
"""
Read inverters data
"""
super().read_all_sit_modbus_registers()
# l_reg_index = 42109
# l_slave_address = 3
# self.read_inverter_data(l_slave_address)
def read_inverter_data(self, a_slave_address):
"""
Was for test but not working
"""
assert False, 'deprecated'
l_reg = RegisterTypeInt64u('Wh2', 'Total energy fed in across all line conductors, in Wh (accumulated values of the inverters) System param', 30513, SitModbusRegister.ACCESS_MODE_R, 'Wh', an_is_metadata=False, a_slave_address=a_slave_address)
self.read_inverter_data_register(l_reg, a_slave_address)
print (l_reg.out_human_readable(a_with_description=True))
# l_reg = RegisterTypeInt32u('SN', 'Serial Number', a_reg_index + 1, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True)
# self.read_inverter_data_register(l_reg, a_slave_address)
#
# l_reg = RegisterTypeInt16u('UnitID', 'Unit ID', a_reg_index + 3, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True)
# self.read_inverter_data_register(l_reg, a_slave_address)
def read_inverter_data_register(self, a_register, a_slave_address):
"""
Reads given inverter data
Was for test but not working
"""
assert False, 'deprecated'
try:
self.read_sit_modbus_register(a_register, a_slave_address)
if self._args.store_values:
pass
# self.store_values_into_csv([l_reg], l_slave)
if self._args.display_all:
print('***************** INVERTER slave:{} ******************'.format(a_slave_address))
print(a_register.out_human_readable(a_with_description=self._args.long))
except ModbusException as l_e:
self._logger.error('read_inverter_data-> error reading register {}'.format(l_e))
except Exception as l_e:
raise l_e
# ACCESS
# IMPLEMENTATION
# EXECUTE ARGS
"""
Parsing arguments and calling corresponding functions
"""
def execute_corresponding_args(self):
try:
self.connect()
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.INFO)
if self._args.store_values or self._args.display_all or self._args.test or self._args.raise_event:
assert self.valid_slave_address(self._slave_address), 'Invalid slave address {}'.format(self._slave_address)
self.read_all_sit_modbus_registers()
if self._args.store_values:
self.store_values_into_csv(self._sit_modbus_registers, self._slave_address)
if self._args.display_all:
print(self.out_human_readable(a_with_description=self._args.long))
if self._args.raise_event:
assert len(self._sit_modbus_registers) > 0, 'modbus_registers_not_empty'
self.call_sit_modbus_registers_events()
if self._args.test:
self.test()
# if self._args.manual_restart:
# self.manual_restart()
except Exception as l_e:
self._logger.exception("execute_corresponding_args-> Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
raise l_e
finally:
if self.is_connected():
self.disconnect()
self.invariants()
def add_arg_parse_modbus_device(self):
super().add_arg_parse()
def add_arg_parse(self):
"""
Override method
"""
self.add_arg_parse_modbus_device()
self._parser.add_argument('-e', '--raise_event', help='Raises the corresponding event if setted', action="store_true")
#self._parser.add_argument('-r', '--manual_restart', help='Sends a manual restart to inverter manager', action="store_true")
self._parser.add_argument('-c', '--slave_address', help='Slave address of modbus device', nargs='?')
def add_required_named(self, a_required_named):
pass
def test(self):
"""
Test function
"""
try:
self._logger.info ("################# BEGIN #################")
# l_sit_dt = SitDateTime()
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#self.call_sit_modbus_registers_events(l_slave)
# self._logger.info("--> ************* device models *************: %s" % (l_d.models)) #Lists properties to be loaded with l_d.<property>.read() and then access them
# self._logger.info("-->inverter ************* l_d.inverter.points *************: %s" % (l_d.inverter.points)) #Gives the inverter available properties
# self._logger.info("-->inverter ************* common *************: %s" % (l_d.common))
# self._logger.info("-->inverter ************* common Serial Number *************: %s" % (l_d.common.SN))
self._logger.info ("################# END #################")
except Exception as l_e:
self._logger.exception("Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
self._logger.error('Error: %s' % (l_e))
raise l_e
def events_mail_receivers(self):
return ['*****@*****.**', '*****@*****.**']
#return ['*****@*****.**']
#return ['*****@*****.**', '*****@*****.**']
def invariants_modbus_device(self):
super().invariants()
def invariants(self):
self.invariants_modbus_device()
class SitModbusDevice(object):
# CONSTANTS
DEFAULT_LOGGING_LEVEL = logging.DEBUG #For console overrided by --verbose
DEFAULT_FILE_LOGGING_LEVEL = logging.DEBUG #For file
DEFAULT_BASE_URL = "http://localhost:9999/" # with ending slash
DEFAULT_PORT = "/dev/ttyUSB0" #https://unix.stackexchange.com/a/144735/47775 to get it
TARGET_MODE_TCP = 'tcp'
TARGET_MODE_RTU = 'rtu'
DEFAULT_TARGET_MODE = TARGET_MODE_TCP # or rtu
DEFAULT_TARGET_PORT = 502
MAX_CONNECT_RETRIES_COUNT = 3
MAX_MODBUS_REGISTER_RETRIES_COUNT = 3
LOG_FILE_PATH = '/var/log/solarity'
DEFAULT_CSV_FILE_LOCATION = '/var/solarity' #without ending slash
PARSER_DESCRIPTION = 'Actions with modbus device. ' + SitConstants.DEFAULT_HELP_LICENSE_NOTICE
# VARIABLES
_logger = None
_args = None
_console_handler = None
_file_handler = None
_sit_json_conf = None
_modbus_client = None
_is_connected = False
_base_url = DEFAULT_BASE_URL
_target_ip = None
_target_port = DEFAULT_TARGET_PORT
_target_mode = DEFAULT_TARGET_MODE
_slave_address = None
_client_connect_retries = 3
_rtu_timeout = 1 #seconds
_rtu_stopbits = 1
_rtu_bytesize = 8
_rtu_parity = 'E'
_rtu_baudrate = 19200 #9600
_byte_order = Endian.Big
_word_order = Endian.Big
_substract_one_to_register_index = False
_sit_modbus_registers = OrderedDict() # OrderedDict
# FUNCTIONS DEFINITION
def __init__(self,
a_slave_address,
a_target_mode=DEFAULT_TARGET_MODE,
a_port=DEFAULT_PORT,
an_ip_address=None):
"""
Initialize
@param a_slave_address
@param a_target_mode
@param a_port
@param an_ip_address
"""
assert self.valid_slave_address(
a_slave_address), 'invalid a_slave_address:{}'.format(
a_slave_address)
self._target_port = a_port
self._slave_address = a_slave_address
self._target_ip = an_ip_address
self._logger = SitLogger().new_logger(self.__class__.__name__)
self._sit_json_conf = SitJsonConf(__name__)
self._target_mode = a_target_mode
if self._target_mode == self.TARGET_MODE_TCP:
assert self.valid_ip(self._target_ip), 'valid ip address'
self.invariants()
def process_script_arguments(self):
"""
reads script arguments and executes corresponding argument
"""
try:
self.init_arg_parse()
self.connect()
self.execute_corresponding_args()
except Exception as l_e:
self._logger.exception('process_script_arguments->Exception:%s' %
(l_e))
if self.is_connected():
self.disconnect()
def connect(self):
"""
sets self._modbus_client and connects to it
"""
if self._target_mode == self.TARGET_MODE_TCP:
assert self.valid_ip(self._target_ip), 'Target ip is None'
assert not self.is_connected()
l_retries_count = 0
self._logger.debug(
'connect-> with args target_mode:{} port:{} rtu_timeout:{} baudrate:{}'
.format(self._target_mode, self._target_port, self._rtu_timeout,
self._rtu_baudrate))
while l_retries_count < self.MAX_CONNECT_RETRIES_COUNT and not self._is_connected:
try:
if self._target_mode == self.TARGET_MODE_RTU:
assert os.geteuid() == 0, 'user must be root for RTU mode'
# DOC: https://github.com/riptideio/pymodbus/blob/8ef32997ee1da1cd465f2e19ff3b54b93d38728c/pymodbus/repl/main.py
self._modbus_client = ModbusSerialClient(
method=self._target_mode,
port=str(self._target_port),
timeout=self._rtu_timeout,
stopbits=self._rtu_stopbits,
bytesize=self._rtu_bytesize,
parity=self._rtu_parity,
baudrate=self._rtu_baudrate)
self._modbus_client.debug_enabled = True
self._logger.debug(
'connect->target:{} port:{} timeout:{} stopbit:{} bytesize:{} parity:{} baudrate:{}'
.format(self._target_mode, str(self._target_port),
self._rtu_timeout, self._rtu_stopbits,
self._rtu_bytesize, self._rtu_parity,
self._rtu_baudrate))
self._logger.info('connect->RTU Client Mode:{}'.format(
self._target_mode))
else:
assert self._target_mode == self.TARGET_MODE_TCP
self._modbus_client = ModbusTcpClient(
self._target_ip,
port=str(self._target_port),
retries=self._client_connect_retries,
retry_on_empty=True)
self._logger.info('connect->TCP Client Mode:{}'.format(
self._target_mode))
#Connect to the serial modbus server
connection = self._modbus_client.connect()
if self._modbus_client.connect:
#self._logger.debug("Client is connected")
self._is_connected = True
self._logger.info('connect -> Connection success')
else:
self._is_connected = False
raise ConnectionException(
"connect->Could not connect to _modbus_client")
except ConnectionException as l_e:
l_retries_count += 1
self._logger.exception(
"connect->ConnectionException occured during connection, retrying:{}"
.format(l_e))
time.sleep(1)
except Exception as l_e:
self._logger.exception(
"connect->Exception occured during connection:{}".format(
l_e))
raise l_e
# HIGH LEVEL FUNCTIONS
def _header_rows(self):
#return [['#Mn', 'some_manufacturer'], ['#Md', 'some_model']]
return []
def add_modbus_register_from_values(
self,
a_short_description,
a_description,
a_register_index,
a_register_type,
a_slave_address,
an_access_mode=SitModbusRegister.ACCESS_MODE_R,
a_value_unit=None,
a_scale_factor_register_index=None,
an_event=None,
an_is_metadata=False):
"""
adds to self._sit_modbus_registers
"""
assert not a_short_description in self._sit_modbus_registers.keys(
), 'Already has key ' + a_short_description
self._sit_modbus_registers[a_short_description] = SitModbusRegister(
a_short_description,
a_description,
a_register_index,
a_register_type,
an_access_mode,
a_value_unit,
a_scale_factor_register_index=a_scale_factor_register_index,
an_event=an_event,
an_is_metadata=an_is_metadata)
def add_modbus_register(self, a_modbus_register):
assert isinstance(
a_modbus_register,
SitModbusRegister), 'arg is not a SitModbusRegister but {}'.format(
a_modbus_register.__class__.__name__)
assert a_modbus_register.has_slave_address(
), 'a_modbus_register has no slave_address'
self._sit_modbus_registers[
a_modbus_register.short_description] = a_modbus_register
def append_modbus_registers(self, an_ordered_dict):
"""
add_modbus_register with each item of given an_ordered_dict
"""
assert isinstance(an_ordered_dict,
OrderedDict), 'param is not an OrderedDict'
for l_short_desc, l_reg in an_ordered_dict.items():
self.add_modbus_register(l_reg)
def read_register_from_short_description(self, a_short_description,
a_slave_address):
"""
returns a read register
@param: a_short_description
"""
l_reg = self._sit_modbus_registers[a_short_description]
self.read_sit_modbus_register(l_reg, a_slave_address)
def read_sit_modbus_register(self, a_sit_modbus_register):
"""
setting value of given modbus register
@a_sit_modbus_register
"""
assert isinstance(
a_sit_modbus_register,
SitModbusRegister), 'given argument must be a SitModbusRegister'
assert self.is_connected(), 'Not connected'
l_val = self.register_value(a_sit_modbus_register.register_index,
a_sit_modbus_register.words_count,
a_sit_modbus_register.slave_address)
a_sit_modbus_register.set_value_with_raw(l_val)
self.set_value_with_scale_factor(a_sit_modbus_register)
def set_value_with_scale_factor(self, a_sit_modbus_register):
"""
set a_sit_modbus_register value with read scale_factor read from scale_factor_register_index
"""
if a_sit_modbus_register.scale_factor_register_index is not None:
l_scale_factor = self.register_values_int_16_s(
a_sit_modbus_register.scale_factor_register_index,
a_sit_modbus_register.slave_address)
l_val = a_sit_modbus_register.value
l_val = l_val * 10**l_scale_factor
self._logger.debug(
'set_value_with_scale_factor-> old_val:%s scale_factor:%s new_val:%s'
% (a_sit_modbus_register.value, l_scale_factor, l_val))
a_sit_modbus_register.value = l_val
# else:
# self._logger.debug('read_sit_modbus_register-> scale_factor_index should be None:%s' % (a_sit_modbus_register.scale_factor_register_index))
def read_all_sit_modbus_registers(self):
"""
Reads all registers and print result as debug
"""
self._logger.debug(
'read_all_sit_modbus_registers-> registers to read count({}) start --------------------------------------------------'
.format(len(self._sit_modbus_registers)))
for l_short_desc, l_sit_reg in self._sit_modbus_registers.items():
self.read_sit_modbus_register(l_sit_reg)
if l_sit_reg.has_post_set_value_call():
l_sit_reg.call_post_set_value()
#self._logger.debug('read_all_registers-> sit_register.out():%s' % (l_sit_reg.out()))
self._logger.debug(
'read_all_registers-> sit_register.out_short():%s' %
(l_sit_reg.out_short()))
# LOW LEVEL FUNCTIONS READ
def register_value(self, a_register_index, a_register_length,
a_slave_address):
"""
Returns a given register value
@a_register_length: 1 register is 16 bits (2 bytes = 1 word)
"""
assert self.is_connected(), 'register_value->device is not connected'
assert isinstance(a_register_index,
int), 'register_value->Slave address is not an int'
assert self.valid_slave_address(
a_slave_address
), 'register_value->Slave address is not valid:' + str(a_slave_address)
#self._logger.debug('register_value-> _substract_one_to_register_index:%s' % (self._substract_one_to_register_index))
if self._substract_one_to_register_index:
l_register_index = a_register_index - 1
l_register_index_s_debug = str(a_register_index) + '-1'
else:
l_register_index = a_register_index
l_register_index_s_debug = str(l_register_index)
l_retries_count = 0
while l_retries_count < self.MAX_MODBUS_REGISTER_RETRIES_COUNT:
try:
#Starting add, num of reg to read, slave unit.
self._logger.debug(
'register_value-> index:{} length:{} unit:{} _substract_one_to_register_index:{}'
.format(l_register_index, a_register_length,
a_slave_address,
self._substract_one_to_register_index))
l_result = self._modbus_client.read_holding_registers(
l_register_index, a_register_length,
unit=a_slave_address) # Average current
if l_result is not None:
if (hasattr(l_result, 'function_code')
and l_result.function_code < 0xFFFFFFFF):
self._logger.debug(
"register_value-> read register index:%s (%s) length:%s slave_address:%s"
% (l_register_index, l_register_index_s_debug,
a_register_length, a_slave_address))
#self._logger.debug(l_result)
#self._logger.debug("register_value->register 0 value:%s" % l_result.getRegister(1))
#self._logger.debug("register_value-> 0 type:%s" % type(l_result.getRegister(0)))
#self._logger.debug(l_result._str_())
else:
self._logger.error(
"register_value-> returned code is invalid: {}".
format(l_result))
else:
l_msg = "register_value-> No register received, l_result is None"
self._logger.error(l_msg)
raise ModbusException(l_msg)
if not hasattr(l_result, 'registers'):
l_msg = 'register_value-> read register has no registers attribute, slave:{} reading register:{} length:{}'.format(
a_slave_address, l_register_index, a_register_length)
self._logger.error(l_msg)
raise ModbusException(l_msg)
return l_result
except KeyboardInterrupt:
self._logger.exception(
"register_value-> Keyboard interruption")
except ModbusException as l_e:
l_retries_count += 1
if l_retries_count >= self.MAX_MODBUS_REGISTER_RETRIES_COUNT:
self._logger.error(
'register_value-> error with ModbusException not retrying but raising'
)
raise l_e
else:
self._logger.error(
'register_value-> error with ModbusException retrying {}'
.format(l_retries_count))
self.disconnect
time.sleep(0.2)
self.connect
except Exception as l_e:
self._logger.exception(
"register_value-> Exception occured, msg:%s" % l_e)
raise l_e
def _int_from_register(self, a_register, a_start_index, a_bits_count):
"""
"""
l_tmp_binary = "{0:b}".format(a_register)
l_tmp_binary = l_tmp_binary.zfill(16)
l_end_index = len(l_tmp_binary) - a_start_index
l_start_index = len(l_tmp_binary) - a_start_index - a_bits_count
l_tmp = l_tmp_binary[
l_start_index:l_end_index +
1] # second is where ends exclusive, first is inclusive
l_result = int(l_tmp, 2)
self._logger.debug(
"************************************* _int_from_register-> register(%s) binary (%s) %s:%s => %s result(%s)"
% (a_register, l_tmp_binary, l_start_index, l_end_index, l_tmp,
l_result))
return l_result
def register_values_date_time(self, a_register_index, a_slave_address):
"""
from spec returns a string formated
@a_register_index: a register index
"""
assert False, 'Deprecated'
try:
l_register_res = self.register_value_invalid_int(
a_register_index, 4, a_slave_address)
self._logger.debug(
"******* BEGIN ****************************** register_values_date_time->a_register_index:%s"
% (a_register_index))
l_year = self._int_from_register(l_register_res.registers[0], 0,
6) + 2000
l_day = self._int_from_register(l_register_res.registers[1], 0, 4)
l_month = self._int_from_register(l_register_res.registers[1], 8,
4)
l_min = self._int_from_register(l_register_res.registers[2], 0, 5)
l_hour = self._int_from_register(l_register_res.registers[2], 8, 5)
l_sec = int(int(l_register_res.registers[3]) / 1000)
l_result = str(l_year) + '-' + str(l_month).zfill(2) + '-' + str(
l_day).zfill(2) + 'T' + str(l_hour).zfill(2) + ':' + str(
l_min).zfill(2) + ':' + str(l_sec).zfill(
2) + 'Z' #Definitive result as expecte
except Exception as l_e:
self._logger.exception("register_values_date_time exception: %s" %
l_e)
raise l_e
l_result = (';'.join(str(l) for l in l_register_res.registers)
) # only decimals
self._logger.debug(
"******** END ***************************** register_values_date_time->registers:%s- result:%s-"
% (l_register_res.registers, l_result))
return l_result
def register_values_pm5500_date_time(self, a_register_index,
a_slave_address):
"""
from spec returns a string formated with datetime
@a_register_index: a register index start index, the followings will be read
"""
l_i = 0
l_register_res = self.register_value_invalid_int(
a_register_index + l_i, 1, a_slave_address)
l_year = l_register_res.registers[0]
l_i = l_i + 1
l_register_res = self.register_value_invalid_int(
a_register_index + l_i, 1, a_slave_address)
l_month = l_register_res.registers[0]
l_i = l_i + 1
l_register_res = self.register_value_invalid_int(
a_register_index + l_i, 1, a_slave_address)
l_day = l_register_res.registers[0]
l_i = l_i + 1
l_register_res = self.register_value_invalid_int(
a_register_index + l_i, 1, a_slave_address)
l_hour = l_register_res.registers[0]
l_i = l_i + 1
l_register_res = self.register_value_invalid_int(
a_register_index + l_i, 1, a_slave_address)
l_min = l_register_res.registers[0]
l_i = l_i + 1
l_register_res = self.register_value_invalid_int(
a_register_index + l_i, 1, a_slave_address)
l_sec = l_register_res.registers[0]
l_i = l_i + 1
l_result = str(l_year) + str(l_month).zfill(2) + str(l_day).zfill(
2) + 'T' + str(l_hour).zfill(2) + str(l_min).zfill(2) + str(
l_sec).zfill(2) + 'Z'
self._logger.debug("register_values_pm5500_date_time->result:%s" %
l_result)
return l_result
def register_values_float_32(self, a_register_index, _slave_address):
"""
from spec returns a float from given register index
@a_register_index: a register index
"""
l_register_res = self.register_value_invalid_int(
a_register_index, 2, a_slave_address)
#self._logger.debug("register_values_u_long->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=self._byte_order,
wordorder=self._word_order
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_32bit_float()
if not instance(l_result, float):
self._logger.error(
"register_values_float_32-> result of decode_32bit_float is not a float but:'%s'"
% l_result)
l_result = 0
self._logger.debug("register_values_float_32->after decoder:%s" %
l_result)
return l_result
def register_values_float_32_pf(self, a_register_index, _slave_address):
"""
from spec returns a float from given register index for power factor
@a_register_index: a register index
********* FROM DOC ***********************
Power factor values are specially encoded floating point values.
Pseudo code to decode PF Value
if (rigVal > 1)
{
PF_Val = 2 - regVal;
PF is leading
}
else if (regVal < -1)
{
PF_Val = -2-regVal
PF is leading
}
else if ( abs(regVal) equals 1 )
{
PF_Val = regVal
PF is at unity
}
else
{
PF_Val = regVal
PF is lagging
}
"""
l_register_res = self.register_value(a_register_index, 2,
a_slave_address)
#self._logger.debug("register_values_u_long->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=Endian.Big,
wordorder=Endian.Big
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_32bit_float()
if l_result > 1:
l_result = 2 - l_result
elif l_result < -1:
l_result = -2 - l_result
else:
pass
self._logger.debug("register_values_float_32_pf->after decoder:%s" %
l_result)
return l_result
def register_values_string_8(self, a_register_index, _slave_address):
"""
from spec returns a string
@a_register_index: a register index
"""
l_register_res = self.register_value(a_register_index, 8,
a_slave_address)
#self._logger.debug("register_values_u_long->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=Endian.Big,
wordorder=Endian.Big
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_string(8)
if len(l_result) > 0 and str(l_result[0]) == '0':
l_result = ''
else:
l_result = l_result.decode('utf-8', errors='replace')
#self._logger.debug("register_values_string16->after decoder:%s" % l_result)
assert isinstance(
l_result, str), 'result is no str but' + l_result.__class.__name__
return l_result
def register_values_string_16(self, a_register_index, a_slave_address):
"""
from spec returns a word from given register index
@a_register_index: a register index
"""
l_register_res = self.register_value(a_register_index, 16,
a_slave_address)
#self._logger.debug("register_values_u_long->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=Endian.Big,
wordorder=Endian.Big
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_string(16)
if len(l_result) > 0 and str(l_result[0]) == '0':
l_result = ''
else:
l_result = l_result.decode('utf-8', errors='replace')
#self._logger.debug("register_values_string16->after decoder:%s" % l_result)
assert isinstance(
l_result, str), 'result is no str but' + l_result.__class.__name__
return l_result
def register_values_int_16_s(self, a_register_index, a_slave_address):
"""
from spec returns a word from given register index
@a_register_index: a register index
"""
l_register_res = self.register_value(a_register_index, 1,
a_slave_address)
#self._logger.debug("register_values_16_s->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=Endian.Big,
wordorder=Endian.Big
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_16bit_int()
#self._logger.debug("register_values_u_word->after decoder:%s" % l_result)
assert isinstance(
l_result, int), 'result is no int but' + l_result.__class.__name__
return l_result
def register_values_int_16_u(self, a_register_index, a_slave_address):
"""
from spec returns an int
@a_register_index: a register index
"""
l_register_res = self.register_value(a_register_index, 1,
a_slave_address)
#self._logger.debug("register_values_int_16_u->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=Endian.Big,
wordorder=Endian.Big
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_16bit_uint()
#self._logger.debug("register_values_int16_u->after decoder:%s" % l_result)
return l_result
def register_values_int_32_u(self, a_register_index, a_slave_address):
"""
from spec returns a long from given register index
@a_register_index: a register index
"""
l_register_res = self.register_value(a_register_index, 2,
a_slave_address)
#self._logger.debug("register_values_u_long->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=Endian.Big,
wordorder=Endian.Big
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_32bit_uint()
#self._logger.debug("register_values_int_32_u->after decoder:%s" % l_result)
return l_result
def register_values_int_32_s(self, a_register_index, a_slave_address):
"""
from spec returns a long from given register index
@a_register_index: a register index
"""
l_register_res = self.register_value(a_register_index, 2,
a_slave_address)
#self._logger.debug("register_values_u_long->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=Endian.Big,
wordorder=Endian.Big
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_32bit_int()
#self._logger.debug("register_values_int_32_u->after decoder:%s" % l_result)
return l_result
def register_values_int_64_u(self, a_register_index, a_slave_address):
"""
from spec returns a long from given register index
@a_register_index: a register index
"""
l_register_res = self.register_value(a_register_index, 4,
a_slave_address)
#self._logger.debug("register_values_u_long->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=Endian.Big,
wordorder=Endian.Big
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_64bit_uint()
#self._logger.debug("register_values_int_32_u->after decoder:%s" % l_result)
return l_result
def register_values_int_64_s(self, a_register_index, a_slave_address):
"""
from spec returns a long from given register index
@a_register_index: a register index
"""
l_register_res = self.register_value(a_register_index, 4,
a_slave_address)
#self._logger.debug("register_values_u_long->before decoder:%s" % l_register_res.registers)
decoder = BinaryPayloadDecoder.fromRegisters(
l_register_res.registers,
byteorder=Endian.Big,
wordorder=Endian.Big
) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_result = decoder.decode_64bit_int()
#self._logger.debug("register_values_int_32_u->after decoder:%s" % l_result)
return l_result
# FILE OUTPUT
def store_values_into_csv(self, an_ordered_dict, a_slave_address):
"""
Stores values into CSV into self.get_csv_file_path()
@param a_row_dict: an OrderedDict
"""
assert isinstance(an_ordered_dict,
OrderedDict), 'param is not an OrderedDict'
assert isinstance(a_slave_address, int), 'param is not an int'
try:
l_f_name = self.csv_file_path(a_slave_address)
l_file_exists = os.path.isfile(l_f_name)
self._logger.info(
"store_values_into_csv->Writting into file %s exists:%s" %
(l_f_name, l_file_exists))
with open(l_f_name, mode='a+') as l_csv_file:
l_csv_writter = csv.writer(l_csv_file,
delimiter=',',
quotechar='"',
quoting=csv.QUOTE_MINIMAL)
if not l_file_exists:
for l_header_row in self._header_rows():
self._logger.info(
"store_values_into_csv->writting header:{}".format(
l_header_row))
l_csv_writter.writerow(l_header_row)
# Metadata and registers
l_header_list = []
l_values_dict = []
l_values_dict.append(
datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ'))
for l_reg in an_ordered_dict.values():
if l_reg.is_metadata:
l_header_line = []
l_header_line.append('#' + l_reg.short_description)
l_header_line.append(l_reg.value)
if not l_file_exists:
self._logger.info(
"store_values_into_csv->Writting METADATA row: %s"
% (';'.join(str(l) for l in l_header_line)))
l_csv_writter.writerow(l_header_line)
else:
l_header_list.append(l_reg.short_description)
l_val = l_reg.value
l_values_dict.append(l_val)
# Header
l_header_list.insert(0, 'Timestamp')
assert len(l_header_list) == len(
l_values_dict
), 'header row {} doesnt have the same length as data row{}, hit file {}'.format(
len(l_header_list), len(l_values_dict), l_f_name)
if not l_file_exists:
self._logger.info(
"store_values_into_csv->Writting HEADER row: %s" %
(';'.join(str(l) for l in l_header_list)))
l_csv_writter.writerow(l_header_list)
#Registers no metadata
self._logger.info(
"store_values_into_csv->HEADER (not written) row: %s" %
('|'.join(str(l) for l in l_header_list)))
self._logger.info(
"store_values_into_csv->Writting row: %s" %
('|'.join(str(l.value) for l in an_ordered_dict.values())))
l_csv_writter.writerow(l_values_dict)
except Exception as l_e:
self._logger.error('store_values_into_csv->Error: %s' % l_e)
raise l_e
def csv_file_path(self, a_slave_address):
"""
Returns the csv file path
if test adds tests.csv at the end of file_name
"""
assert self._target_ip, "host ip is empty"
assert isinstance(a_slave_address, int), "slave_address is not an int"
assert self._args.host_mac, "host mac is empty"
# if __debug__:
# try:
# socket.inet_aton(self._args.host_ip)
# except socket.error as l_e:
# assert False, "Host ip address is invalid"
# raise l_e
l_dir = self.DEFAULT_CSV_FILE_LOCATION + '/' + str(
datetime.today().year) + '/' + '{:02d}'.format(
datetime.today().month)
l_result = (l_dir + '/' + datetime.today().strftime('%Y%m%d') + '_' +
self._args.host_mac.replace(':', '-') + '_' +
self._target_ip + '_' + str(a_slave_address) + '_' +
os.path.basename(__file__) + '_' +
self.__class__.__name__ + '.csv')
if self._args.test:
l_result += 'test.csv'
try:
os.makedirs(l_dir)
except OSError as l_e:
if l_e.errno == errno.EEXIST:
pass
else:
self._logger.error('get_csv_file_path Error: %s' % (l_e))
raise l_e
return l_result
# LOW LEVEL FUNCTIONS READ
def write_register_value(self, a_register_index, a_slave_address, a_value):
"""
Returns a given register value
@a_register_index
@a_register_length: 1 register is 16 bits (2 bytes = 1 word)
@a_slave_address
@a_value
"""
assert self.is_connected(), 'register_value->device is not connected'
assert self.valid_slave_address(
self._slave_address), 'register_value->Slave address is None'
#self._logger.debug('register_value-> _substract_one_to_register_index:%s' % (self._substract_one_to_register_index))
if self._substract_one_to_register_index:
l_register_index = a_register_index - 1
l_register_index_s_debug = str(a_register_index) + '-1'
else:
l_register_index = a_register_index
l_register_index_s_debug = str(l_register_index)
try:
#Starting add, num of reg to read, slave unit.
l_result = self._modbus_client.write_register(
l_register_index, a_value,
unit=a_slave_address) # Average current
if l_result is not None:
if (hasattr(l_result, 'function_code')
and l_result.function_code < 0xFFFFFFFF):
self._logger.debug(
"register_value-> read register index:%s (%s) value:(%s) length:%s slave_address:%s"
%
(l_register_index, l_register_index_s_debug, '|'.join(
str(l_elt) for l_elt in l_result.registers),
a_register_length, self._slave_address))
#self._logger.debug(l_result)
#self._logger.debug("register_value->register 0 value:%s" % l_result.getRegister(1))
#self._logger.debug("register_value-> 0 type:%s" % type(l_result.getRegister(0)))
#self._logger.debug(l_result._str_())
else:
self._logger.error(
"register_value-> returned code is invalid: {}".format(
l_result))
else:
self._logger.error(
"register_value-> No register received, l_result is None")
if not hasattr(l_result, 'registers'):
raise Exception(
'register_value-> read register has no registers attribute, reading register:'
+ str(l_register_index)) # TODO CORRECTME HERE
return l_result
except KeyboardInterrupt:
self._logger.exception("register_value-> Keyboard interruption")
except Exception as l_e:
self._logger.exception(
"register_value-> Exception occured, msg:%s" % l_e)
raise l_e
# CONNECTION
def is_connected(self):
"""
Self explaining
"""
#self._logger.debug("is_connected-> %s, modbusclient:%s" % (self._is_connected, self._modbus_client))
return self._modbus_client is not None and self._is_connected
def disconnect(self):
"""
Disconnects modbus client
"""
assert self.is_connected()
assert self._modbus_client is not None
try:
self._modbus_client.close()
self._is_connected = False
self._logger.info('disconnect -> Disconnection success')
except Exception as l_e:
self._logger.exception("disconnect->Exception occured msg:" +
l_e.message)
raise l_e
def init_arg_parse(self):
"""
Parsing arguments
override add_arg_parse if necessary
"""
"""App help"""
self._parser = argparse.ArgumentParser(
description=self.PARSER_DESCRIPTION)
self.add_arg_parse()
l_args = self._parser.parse_args()
self._args = l_args
def add_arg_parse(self):
"""
Adding arguments to parser
"""
# OPTIONALS
self._parser.add_argument('-v',
'--verbose',
help='increase output verbosity',
action="store_true")
self._parser.add_argument(
'-u',
'--base_url',
help='NOT_IMPLEMENTED:Gives the base URL for requests actions',
nargs='?',
default=self.DEFAULT_BASE_URL)
self._parser.add_argument(
'-s',
'--store_values',
help='Stores values into csv file located into ' +
self.DEFAULT_CSV_FILE_LOCATION,
action="store_true")
self._parser.add_argument('-t',
'--test',
help='Runs test method',
action="store_true")
self._parser.add_argument(
'-a',
'--display_all',
help='Displays all register after reading them',
action='store_true')
self._parser.add_argument(
'-d',
'--long',
help=
'Displays all register after reading them, with long version and description',
action='store_true')
# REQUIRED
l_required_named = self._parser.add_argument_group(
'required named arguments')
l_required_named.add_argument('-i',
'--host_ip',
help='Host IP',
nargs='?',
required=True)
l_required_named.add_argument('-m',
'--host_mac',
help='Host MAC',
nargs='?',
required=True)
self.add_required_named(l_required_named)
def add_required_named(self, a_required_named):
a_required_named.add_argument('-c',
'--slave_address',
help='Slave address of modbus device',
nargs='?',
required=True)
def execute_corresponding_args(self):
"""
Calls the corresponding function to given script argument
"""
assert isinstance(self._slave_address,
list), 'self._slave_address is list'
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
# self._console_handler.setLevel(logging.DEBUG)
# self._file_handler.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.DEBUG)
# self._console_handler.setLevel(logging.ERROR)
# self._file_handler.setLevel(logging.DEBUG)
if self._args.base_url:
self._logger.debug(
"execute_corresponding_args->given argument was '%s'" %
self._args.base_url)
self._base_url = self._args.base_url
if self._args.display_all or self._args.store_values or self._args.test:
for l_slave in self._slave_address:
assert self.valid_slave_address(
l_slave
), 'given slave address should be int but' + str(l_slave)
self.read_all_sit_modbus_registers(l_slave)
if self._args.display_all():
l_long = False
if hasattr(self._args, 'long'):
l_long = self._args.long
print(self.out_human_readable(l_long))
if self._args.store_values:
self.store_values_into_csv(self._sit_modbus_registers,
l_slave)
if self._args.test:
self.test()
# EVENTS
def call_sit_modbus_registers_events(self):
l_index = 0
for l_short_desc, l_sit_reg in self._sit_modbus_registers.items():
if l_sit_reg.has_event():
self._logger.debug(
'call_sit_modbus_registers_events-> Calling event for register_short:{}'
.format(l_sit_reg.out_short()))
self._logger.debug(
'call_sit_modbus_registers_events-> counter:{}/{}'.format(
l_index, len(self._sit_modbus_registers.items())))
l_sit_reg.call_event()
#self._logger.debug('read_all_registers-> sit_register.out():%s' % (l_sit_reg.out()))
l_index += 1
# VALIDATION
@staticmethod
def valid_slave_address_list(a_list):
""" List """
assert isinstance(a_list, list), 'a_list is not a list'
l_res = False
if isinstance(a_list, list):
for l_elt in a_list:
l_res = SitModbusDevice.valid_slave_address(l_elt)
if not l_res:
break
return l_res
@staticmethod
def valid_slave_address(an_int):
l_res = False
l_res = isinstance(an_int, int)
if l_res:
l_res = (an_int is not None) and an_int > 0 and an_int <= 253
return l_res
def valid_ip(self, v):
if v is None:
return False
else:
try:
socket.inet_aton(v)
# legal
return True
except socket.error:
# Not legal
return False
# OUTPUT
def out_without_registers(self, a_sep='\n', an_item_prefix=''):
l_res = ''
l_res = l_res + an_item_prefix + 'port:' + str(
self._target_port) + a_sep
l_res = l_res + an_item_prefix + 'target_ip:' + self._target_ip + a_sep
l_res = l_res + an_item_prefix + 'target_mode:' + self._target_mode + a_sep
l_res = l_res + an_item_prefix + 'slave_address:' + str(
self._slave_address) + a_sep
l_res = l_res + an_item_prefix + 'client_connect_retries:' + str(
self._client_connect_retries) + a_sep
l_res = l_res + an_item_prefix + 'rtu_timeout:' + str(
self._rtu_timeout) + a_sep
l_res = l_res + an_item_prefix + 'rtu_stopbits:' + str(
self._rtu_stopbits) + a_sep
l_res = l_res + an_item_prefix + 'rtu_parity:' + self._rtu_parity + a_sep
l_res = l_res + an_item_prefix + 'rtu_baudrate:' + str(
self._rtu_baudrate) + a_sep
l_res = l_res + an_item_prefix + 'byte_order:' + self._byte_order + a_sep
l_res = l_res + an_item_prefix + 'word_order:' + self._word_order
return l_res
def out(self, a_sep='\n', an_item_prefix='\t', a_with_description=False):
l_res = self.__class__.__name__ + a_sep
l_res += self.out_without_registers(a_sep, an_item_prefix) + a_sep
l_res += 'Registers:' + a_sep
for l_short_desc, l_sit_reg in self._sit_modbus_registers.items():
l_res += l_sit_reg.out_human_readable(
an_item_prefix, a_with_description=a_with_description) + a_sep
return l_res
def out_human_readable(self, a_with_description=False):
l_res = ''
l_res += self.out('\n', '\t', a_with_description)
return l_res
# INVARIANT
def invariants(self):
"""
Raise exception if not complying
"""
assert self.valid_slave_address(
self._slave_address), 'valid slave address'
# TEST
def test(self):
"""
Test method
"""
self._logger.info("Test method->")
class SmartLogger1000a(SitModbusDevice):
# CONSTANTS
DEFAULT_SLAVE_ADDRESS = 1
DEFAULT_MODBUS_PORT = 502
DEFAULT_TARGET_MODE = SitModbusDevice.TARGET_MODE_TCP
MIN_W_FOR_RAISE_EVENT_GENERATION = 5000
PARSER_DESCRIPTION = 'Actions with Huawei smart logger 1000a device. ' + SitConstants.DEFAULT_HELP_LICENSE_NOTICE
# CLASS ATTRIBUTES
_byte_order = Endian.Big
_word_order = Endian.Big
_substract_one_to_register_index = False
# FUNCTIONS DEFINITION
"""
Initialize
"""
def __init__(self,
a_slave_address=DEFAULT_SLAVE_ADDRESS,
a_port=DEFAULT_MODBUS_PORT,
an_ip_address=None):
assert self.valid_slave_address(
a_slave_address), 'invalid a_slave_address:{}'.format(
a_slave_address)
try:
self.init_arg_parse()
assert self.valid_slave_address(
a_slave_address
), 'a_slave_address parameter invalid:{}'.format(l_slave_address)
l_slave_address = a_slave_address
if __name__ == '__main__':
if (hasattr(self._args, 'slave_address')
and self._args.slave_address):
l_slave_address = self._args.slave_address
super().__init__(l_slave_address,
self.DEFAULT_TARGET_MODE,
a_port=self.DEFAULT_MODBUS_PORT,
an_ip_address=self._args.host_ip)
self._logger = SitLogger().new_logger(self.__class__.__name__,
self._args.host_mac)
self._init_sit_modbus_registers(l_slave_address)
self.invariants()
#self._logger.debug('init->' + self.out())
except OSError as l_e:
self._logger.warning(
"init-> OSError, probably rollingfileAppender" % (l_e))
if e.errno != errno.ENOENT:
raise l_e
except Exception as l_e:
print('Error in init: %s' % (l_e))
raise l_e
#exit(1)
def _init_sit_modbus_registers(self, a_slave_address):
"""
Initializes self._sit_modbus_registers
"""
assert self.valid_slave_address(
a_slave_address), 'invalid a_slave_address:{}'.format(
a_slave_address)
self.add_common_sit_modbus_registers(1)
self.invariants()
def add_common_sit_modbus_registers(self, a_slave_address):
"""
Common devices registers
"""
assert self.valid_slave_address(
a_slave_address), 'invalid a_slave_address:{}'.format(
a_slave_address)
assert a_slave_address == 1 or a_slave_address >= 3, 'Dont ask for slave_address 2, the add_cc_only_sit_modbus_registers is done for that! addr:{}'.format(
a_slave_address)
l_reg_list = OrderedDict()
l_slave_address = a_slave_address
SitUtils.od_extend(
l_reg_list,
RegisterTypeStringVar(SitConstants.SS_REG_SHORT_ABB_SERIAL_NUMBER,
'ESN',
40713,
10,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'W',
an_is_metadata=True))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt32s(SitConstants.SS_REG_SHORT_ABB_AC_POWER,
'Total active output power of all inverters',
40525,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'W',
an_is_metadata=False,
an_event=SitModbusRegisterEvent(self._W_event)))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt32s(
SitConstants.SS_REG_SHORT_ABB_AC_S_REACTIVE_POWER,
'Reactive power',
40544,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'kVar',
an_is_metadata=False))
# Active power control
# SitUtils.od_extend(l_reg_list, RegisterTypeInt16u(SitConstants.SS_REG_SHORT_ABB_STATUS_OPERATING_STATE, 'Plant Status 1=Unlimited/2Limited/3Idle/4Fault/5Communication_interrupt', 40543, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Enum', an_is_metadata=False)) # Not working on tranque sante and maristas santamaria
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16u('PlantSt2',
'Plant Status 2 0=ildle/1=on-grid/...',
40566,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'Enum',
an_is_metadata=False))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16u('ActPwrCtlMode',
'Active power control mode 0=no limit/other...',
40737,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'Enum',
an_is_metadata=False))
#Meter
# UNABLE TO READ IT SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('WMeter', 'Active power of meter', 32278, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'W', an_is_metadata=False))
#Huawei specials
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt32s(
SitConstants.SS_REG_SHORT_EXTRA_HUAWEI_ACT_POWER_ADJ,
'Active Power adjustment',
40426,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'Int',
an_is_metadata=False))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt16u(
SitConstants.SS_REG_SHORT_EXTRA_HUAWEI_ACT_POWER_ADJ_PCT,
'Active Power adjustment percentage',
40428,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'%',
an_is_metadata=False))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt32u(
'LifeTimeKWHOut',
'Equals the total energy yield generatedby all inverters.',
40560,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'UInt',
an_is_metadata=False))
SitUtils.od_extend(
l_reg_list,
RegisterTypeInt32u(
'TodaykWhOutput',
'Equals daily energy yield generated byall inverters.',
40562,
l_slave_address,
SitModbusRegister.ACCESS_MODE_R,
'UInt',
an_is_metadata=False))
#SitUtils.od_extend(l_reg_list, RegisterTypeStrVar('Mn', 'Model', 30000, 15, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'String15', an_is_metadata=True))
# CLUSTER AND INVERTERS
# SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('Vr', 'Version number of the SMA Modbus profile', 30001, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True))
#
# SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('ID', 'SUSy ID (of the Cluster Controller)', 30003, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True))
# SitUtils.od_extend(l_reg_list, RegisterTypeInt32u('SN', 'Serial number (of the Cluster Controller)', 30005, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True))
# SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('NewData', 'Modbus data change: meter value is increased by the Cluster Controller if new data is available.', 30007, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=False))
# SitUtils.od_extend(l_reg_list, RegisterTypeSmaCCDeviceClass('DeviceClass', 'Device Class', 30051, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Enum', an_is_metadata=True))
#
# SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('W', 'Current active power on all line conductors (W), accumulated values of the inverters', 30775, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'W', an_is_metadata=False, an_event=SitModbusRegisterEvent(self._W_event)))
# SitUtils.od_extend(l_reg_list, RegisterTypeInt64u('Wh', 'Total energy fed in across all line conductors, in Wh (accumulated values of the inverters) System param', 30513, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Wh', an_is_metadata=False))
# SitUtils.od_extend(l_reg_list, RegisterTypeInt32s('VAr', 'Reactive power on all line conductors (var), accumulated values of the inverters', 30805, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'VAr', an_is_metadata=False))
# SitUtils.od_extend(l_reg_list, RegisterTypeInt64u('TotWhDay', 'Energy fed in on current day across all line conductors, in Wh (accumulated values of the inverters)', 30517, l_slave_address, SitModbusRegister.ACCESS_MODE_R, 'Wh', an_is_metadata=False))
#
self.append_modbus_registers(l_reg_list)
def _W_event(self, a_sit_modbus_register):
"""
Called by modbus_device.call_sit_modbus_registers_events()
"""
self._logger.debug('_W_event-> register:{}'.format(
a_sit_modbus_register.out_short()))
l_short_desc = 'W'
l_min_val = self.MIN_W_FOR_RAISE_EVENT_GENERATION
l_val = a_sit_modbus_register.value
l_sit_dt = SitDateTime()
if a_sit_modbus_register.short_description == l_short_desc:
l_start_time = time(8, 30)
l_end_time = time(16, 30)
l_is_day, l_valid_time = l_sit_dt.time_is_between(
datetime.now().time(), l_start_time, l_end_time)
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#
# self._logger.debug('read_sit_modbus_register-> l_is_day:{} l_valid_time:{} l_is_between_sunrise_sunset:{}'.format(l_is_day, l_valid_time, l_is_between_sunrise_sunset))
l_msg = '_W_event-> register_index:{} value ({}) '.format(
a_sit_modbus_register.register_index, l_val)
l_msg += ' between {} and {}'.format(l_start_time, l_end_time)
self._logger.info(
'_W_event-> DEVICE IS GENERATING {} kW'.format(l_val))
if (l_valid_time and l_val <= l_min_val):
l_msg = '_W_event-> register_index:{} value ({} <= {}), valid_time:{}'.format(
a_sit_modbus_register.register_index, l_val, l_min_val,
l_valid_time)
self._logger.warning(l_msg)
# Create Dir
l_dir = '/tmp/solarity_events'
if not os.path.exists(l_dir):
os.makedirs(l_dir)
l_file = self.__class__.__name__ + '_event_{}_register_{}_slave_{}'.format(
datetime.now().strftime("%Y%m%d_%H"),
a_sit_modbus_register.register_index,
a_sit_modbus_register.slave_address)
l_file_abs_path = l_dir + '/' + l_file
if not os.path.exists(l_file_abs_path):
self._logger.info(
'_W_event-> Event not sent, sending email file:{}'.
format(l_file_abs_path))
# SEND MAIL
l_subject = 'event with failure on $(hostname) slave:' + str(
a_sit_modbus_register.slave_address
) + ' $(date +%Y%m%d_%H%M%S) W val:(' + str(
l_val) + ' <= ' + str(l_min_val) + ')W '
l_body = [
'event in slave:{} with failure on $(hostname) $(date +%Y%m%d_%H%M%S) review file {}'
.format(
a_sit_modbus_register.slave_address,
self.csv_file_path(
a_sit_modbus_register.slave_address))
]
l_body.append(' Between {} and {}'.format(
l_start_time, l_end_time))
l_body.append('Register->out:{}'.format(
a_sit_modbus_register.out_human_readable(
a_with_description=self._args.long)))
l_subject, l_body = self._setted_parts(l_subject, l_body)
SitUtils.send_mail(
self.events_mail_receivers(), l_subject, l_body, [
self.csv_file_path(
a_sit_modbus_register.slave_address)
])
os.mknod(l_file_abs_path)
else:
self._logger.warning(
'_W_event-> Event already sent, not sending email file:{}'
.format(l_file_abs_path))
else:
l_msg = '_W_event-> Event not raised register_index:{} value ({} > {}), valid_time:{}'.format(
a_sit_modbus_register.register_index, l_val, l_min_val,
l_valid_time)
self._logger.debug(l_msg)
def _setted_parts(self, a_subject, a_body):
return a_subject, a_body
def manual_restart(self):
"""
Manual restart
documented on p.45 of doc
"""
l_res = 'test_res'
self._logger.info('manual_restart-> NOW')
#a_register_index, a_slave_address, a_value):
l_res = self.write_register_value(0, 201, 1)
self._logger.info('manual_restart-> result:{}'.format(l_res))
return l_res
def read_all_sit_modbus_registers(self):
"""
Read inverters data
"""
super().read_all_sit_modbus_registers()
# l_reg_index = 42109
# l_slave_address = 3
# self.read_inverter_data(l_slave_address)
def read_inverter_data(self, a_slave_address):
"""
Was for test but not working
"""
assert False, 'deprecated'
l_reg = RegisterTypeInt64u(
'Wh2',
'Total energy fed in across all line conductors, in Wh (accumulated values of the inverters) System param',
30513,
SitModbusRegister.ACCESS_MODE_R,
'Wh',
an_is_metadata=False,
a_slave_address=a_slave_address)
self.read_inverter_data_register(l_reg, a_slave_address)
print(l_reg.out_human_readable(a_with_description=True))
# l_reg = RegisterTypeInt32u('SN', 'Serial Number', a_reg_index + 1, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True)
# self.read_inverter_data_register(l_reg, a_slave_address)
#
# l_reg = RegisterTypeInt16u('UnitID', 'Unit ID', a_reg_index + 3, SitModbusRegister.ACCESS_MODE_R, 'Int32u', an_is_metadata=True)
# self.read_inverter_data_register(l_reg, a_slave_address)
def read_inverter_data_register(self, a_register, a_slave_address):
"""
Reads given inverter data
Was for test but not working
"""
assert False, 'deprecated'
try:
self.read_sit_modbus_register(a_register, a_slave_address)
if self._args.store_values:
pass
# self.store_values_into_csv([l_reg], l_slave)
if self._args.display_all:
print('***************** INVERTER slave:{} ******************'.
format(a_slave_address))
print(
a_register.out_human_readable(
a_with_description=self._args.long))
except ModbusException as l_e:
self._logger.error(
'read_inverter_data-> error reading register {}'.format(l_e))
except Exception as l_e:
raise l_e
# ACCESS
# IMPLEMENTATION
# EXECUTE ARGS
"""
Parsing arguments and calling corresponding functions
"""
def execute_corresponding_args(self):
try:
self.connect()
if self._args.verbose:
self._logger.setLevel(logging.DEBUG)
else:
self._logger.setLevel(logging.INFO)
if self._args.store_values or self._args.display_all or self._args.test or self._args.raise_event:
assert self.valid_slave_address(
self._slave_address), 'Invalid slave address {}'.format(
self._slave_address)
self.read_all_sit_modbus_registers()
if self._args.store_values:
self.store_values_into_csv(self._sit_modbus_registers,
self._slave_address)
if self._args.display_all:
print(
self.out_human_readable(
a_with_description=self._args.long))
if self._args.raise_event:
assert len(self._sit_modbus_registers
) > 0, 'modbus_registers_not_empty'
self.call_sit_modbus_registers_events()
if self._args.test:
self.test()
# if self._args.manual_restart:
# self.manual_restart()
except Exception as l_e:
self._logger.exception(
"execute_corresponding_args-> Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
raise l_e
finally:
if self.is_connected():
self.disconnect()
self.invariants()
def add_arg_parse_modbus_device(self):
super().add_arg_parse()
def add_arg_parse(self):
"""
Override method
"""
self.add_arg_parse_modbus_device()
self._parser.add_argument(
'-e',
'--raise_event',
help='Raises the corresponding event if setted',
action="store_true")
#self._parser.add_argument('-r', '--manual_restart', help='Sends a manual restart to inverter manager', action="store_true")
self._parser.add_argument('-c',
'--slave_address',
help='Slave address of modbus device',
nargs='?')
def add_required_named(self, a_required_named):
pass
def test(self):
"""
Test function
"""
try:
self._logger.info("################# BEGIN #################")
# l_sit_dt = SitDateTime()
# l_is_between_sunrise_sunset = l_sit_dt.now_is_into_sunrise_sunset_from_conf(self._sit_json_conf)
#self.call_sit_modbus_registers_events(l_slave)
# self._logger.info("--> ************* device models *************: %s" % (l_d.models)) #Lists properties to be loaded with l_d.<property>.read() and then access them
# self._logger.info("-->inverter ************* l_d.inverter.points *************: %s" % (l_d.inverter.points)) #Gives the inverter available properties
# self._logger.info("-->inverter ************* common *************: %s" % (l_d.common))
# self._logger.info("-->inverter ************* common Serial Number *************: %s" % (l_d.common.SN))
self._logger.info("################# END #################")
except Exception as l_e:
self._logger.exception("Exception occured: %s" % (l_e))
print('Error: %s' % (l_e))
self._logger.error('Error: %s' % (l_e))
raise l_e
def events_mail_receivers(self):
return [
'*****@*****.**',
'*****@*****.**'
]
#return ['*****@*****.**']
#return ['*****@*****.**', '*****@*****.**']
def invariants_modbus_device(self):
super().invariants()
def invariants(self):
self.invariants_modbus_device()
class RegisterTypeInt16u(SitModbusRegister):
# CONSTANTS
# VARIABLES
_logger = None
_words_count = 1
_byte_order = Endian.Big
_word_order = Endian.Big
# SETTERS AND GETTERS
# INITIALIZATION
def __init__(
self,
a_short_description,
a_description,
a_register_index,
a_slave_address,
an_access_mode=SitModbusRegister.DEFAULT_ACCESS_MODE,
a_value_unit=None,
a_scale_factor_register_index=None,
an_event=None,
an_is_metadata=False,
a_post_set_value_call=None
):
"""
Initialize
"""
try:
#*** Logger
self._logger = SitLogger().new_logger(__name__)
super().__init__(a_short_description,
a_description,
a_register_index,
a_slave_address,
an_access_mode,
a_value_unit,
a_scale_factor_register_index,
an_event,
an_is_metadata,
a_post_set_value_call)
self.invariants()
except OSError as l_e:
self._logger.warning("init-> OSError, probably rollingfileAppender:{}".format(l_e))
if e.errno != errno.ENOENT:
raise l_e
except Exception as l_e:
self._logger.error('Error in init: {}'.format(l_e))
raise l_e
#exit(1)
# STATUS SETTING
def set_value_with_raw(self, a_register_read_res):
self._logger.debug("set_value_with_raw, u_int_16->before decoder:{}".format(a_register_read_res.registers))
decoder = BinaryPayloadDecoder.fromRegisters(a_register_read_res.registers, byteorder=self._byte_order, wordorder=self._word_order) #https://pymodbus.readthedocs.io/en/latest/source/example/modbus_payload.html
#https://pymodbus.readthedocs.io/en/v1.3.2/library/payload.html?highlight=binarypayloaddecoder#pymodbus.payload.BinaryPayloadDecoder
l_v = decoder.decode_16bit_uint()
self._logger.debug("set_value_with_raw->after decoder:{} raw_int:{} raw_register_hexa:0x{}".format(l_v, a_register_read_res.registers[0], '{:02X}'.format(a_register_read_res.registers[0])))
self._value = l_v
