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# -*- coding: utf-8 -*-
#
# This file is part of the SDP project
#
#
#
# Distributed under the terms of the APACHE license.
# See LICENSE.txt for more info.
""" SDP Device Server for LOFAR2.0
"""
# PyTango imports
from tango.server import run
from tango.server import device_property
# Additional import
from clients.opcua_connection import OPCUAConnection
from util.attribute_wrapper import *
from util.hardware_device import *
from util.lofar_logging import device_logging_to_python
__all__ = ["SDP", "main"]
@device_logging_to_python({"device": "SDP"})
class SDP(hardware_device):
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"""
**Properties:**
- Device Property
OPC_Server_Name
- Type:'DevString'
OPC_Server_Port
- Type:'DevULong'
OPC_Time_Out
- Type:'DevDouble'
"""
# -----------------
# Device Properties
# -----------------
OPC_Server_Name = device_property(
dtype='DevString',
mandatory=True
)
OPC_Server_Port = device_property(
dtype='DevULong',
mandatory=True
)
OPC_Time_Out = device_property(
dtype='DevDouble',
mandatory=True
)
# ----------
# Attributes
# ----------
fpga_mask_RW = attribute_wrapper(comms_annotation=["1:fpga_mask_RW"], datatype=numpy.bool_, dims=(16,), access=AttrWriteType.READ_WRITE)
fpga_scrap_R = attribute_wrapper(comms_annotation=["1:fpga_scrap_R"], datatype=numpy.int32, dims=(2048,))
fpga_scrap_RW = attribute_wrapper(comms_annotation=["1:fpga_scrap_RW"], datatype=numpy.int32, dims=(2048,), access=AttrWriteType.READ_WRITE)
fpga_status_R = attribute_wrapper(comms_annotation=["1:fpga_status_R"], datatype=numpy.bool_, dims=(16,))
fpga_temp_R = attribute_wrapper(comms_annotation=["1:fpga_temp_R"], datatype=numpy.float_, dims=(16,))
fpga_version_R = attribute_wrapper(comms_annotation=["1:fpga_version_R"], datatype=numpy.str_, dims=(16,))
fpga_weights_R = attribute_wrapper(comms_annotation=["1:fpga_weights_R"], datatype=numpy.int16, dims=(16, 12 * 488 * 2))
fpga_weights_RW = attribute_wrapper(comms_annotation=["1:fpga_weights_RW"], datatype=numpy.int16, dims=(16, 12 * 488 * 2), access=AttrWriteType.READ_WRITE)
tr_busy_R = attribute_wrapper(comms_annotation=["1:tr_busy_R"], datatype=numpy.bool_)
# NOTE: typo in node name is 'tr_reload_W' should be 'tr_reload_RW'
tr_reload_RW = attribute_wrapper(comms_annotation=["1:tr_reload_W"], datatype=numpy.bool_, access=AttrWriteType.READ_WRITE)
tr_tod_R = attribute_wrapper(comms_annotation=["1:tr_tod_R"], datatype=numpy.uint64)
tr_uptime_R = attribute_wrapper(comms_annotation=["1:tr_uptime_R"], datatype=numpy.uint64)
def always_executed_hook(self):
"""Method always executed before any TANGO command is executed."""
pass
def delete_device(self):
"""Hook to delete resources allocated in init_device.
This method allows for any memory or other resources allocated in the
init_device method to be released. This method is called by the device
destructor and by the device Init command (a Tango built-in).
"""
self.debug_stream("Shutting down...")
self.Off()
self.debug_stream("Shut down. Good bye.")
# --------
# overloaded functions
# --------
def off(self):
""" user code here. is called when the state is set to OFF """
# Stop keep-alive
self.opcua_connection.stop()
def initialise(self):
""" user code here. is called when the sate is set to INIT """
"""Initialises the attributes and properties of the PCC."""
# set up the OPC ua client
self.OPCua_client = OPCUAConnection("opc.tcp://{}:{}/".format(self.OPC_Server_Name, self.OPC_Server_Port), "http://lofar.eu", self.OPC_Time_Out, self.Standby, self.Fault, self)
# will contain all the values for this object
self.setup_value_dict()
# map an access helper class
for i in self.attr_list():
i.set_comm_client(self.OPCua_client)
self.OPCua_client.start()
# --------
# Commands
# --------
# ----------
# Run server
# ----------
def main(args=None, **kwargs):
"""Main function of the SDP module."""
return run((SDP,), args=args, **kwargs)