Dane Sabo
3299181c70
M lazy-lock.json M lua/custom/configs/lspconfig.lua M lua/custom/init.lua A lua/custom/journal.lua A nvim_venv/bin/Activate.ps1 A nvim_venv/bin/activate A nvim_venv/bin/activate.csh A nvim_venv/bin/activate.fish
145 lines
3.4 KiB
Python
145 lines
3.4 KiB
Python
"""Constants For Modbus Server/Client.
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This is the single location for storing default
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values for the servers and clients.
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"""
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import enum
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INTERNAL_ERROR = "Pymodbus internal error"
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class ModbusStatus(int, enum.Enum):
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"""These represent various status codes in the modbus protocol.
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.. attribute:: WAITING
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This indicates that a modbus device is currently
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waiting for a given request to finish some running task.
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.. attribute:: READY
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This indicates that a modbus device is currently
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free to perform the next request task.
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.. attribute:: ON
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This indicates that the given modbus entity is on
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.. attribute:: OFF
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This indicates that the given modbus entity is off
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.. attribute:: SLAVE_ON
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This indicates that the given modbus slave is running
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.. attribute:: SLAVE_OFF
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This indicates that the given modbus slave is not running
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"""
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WAITING = 0xFFFF
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READY = 0x0000
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ON = 0xFF00
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OFF = 0x0000
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SLAVE_ON = 0xFF
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SLAVE_OFF = 0x00
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class Endian(str, enum.Enum):
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"""An enumeration representing the various byte endianness.
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.. attribute:: AUTO
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This indicates that the byte order is chosen by the
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current native environment.
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.. attribute:: BIG
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This indicates that the bytes are in big endian format
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.. attribute:: LITTLE
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This indicates that the bytes are in little endian format
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.. note:: I am simply borrowing the format strings from the
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python struct module for my convenience.
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"""
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AUTO = "@"
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BIG = ">"
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LITTLE = "<"
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class ModbusPlusOperation(int, enum.Enum):
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"""Represents the type of modbus plus request.
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.. attribute:: GET_STATISTICS
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Operation requesting that the current modbus plus statistics
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be returned in the response.
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.. attribute:: CLEAR_STATISTICS
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Operation requesting that the current modbus plus statistics
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be cleared and not returned in the response.
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"""
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GET_STATISTICS = 0x0003
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CLEAR_STATISTICS = 0x0004
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class DeviceInformation(int, enum.Enum):
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"""Represents what type of device information to read.
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.. attribute:: BASIC
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This is the basic (required) device information to be returned.
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This includes VendorName, ProductCode, and MajorMinorRevision
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code.
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.. attribute:: REGULAR
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In addition to basic data objects, the device provides additional
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and optional identification and description data objects. All of
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the objects of this category are defined in the standard but their
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implementation is optional.
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.. attribute:: EXTENDED
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In addition to regular data objects, the device provides additional
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and optional identification and description private data about the
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physical device itself. All of these data are device dependent.
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.. attribute:: SPECIFIC
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Request to return a single data object.
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"""
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BASIC = 0x01
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REGULAR = 0x02
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EXTENDED = 0x03
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SPECIFIC = 0x04
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def __str__(self):
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"""Override to force int representation for enum members."""
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return str(int(self))
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class MoreData(int, enum.Enum):
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"""Represents the more follows condition.
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.. attribute:: NOTHING
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This indicates that no more objects are going to be returned.
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.. attribute:: KEEP_READING
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This indicates that there are more objects to be returned.
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"""
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NOTHING = 0x00
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KEEP_READING = 0xFF
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