45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
import string
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import modbus_tk.defines as cst
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from modbus_tk import modbus_rtu, modbus_tcp, modbus
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from print_color import *
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import enum as Enum
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#所有协议基类
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class class_protocol() :
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def __init__(self, protocol_name) :
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self.protocol_name = protocol_name
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self.mode : string = None
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self.timeout = 5.0
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return
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def set_timeout(self, timeout = 5.0) :
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self.timeout = timeout
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def open(self, mode : string) :
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self.mode = mode
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print_error_msg("class_protocol派生类未实现open函数")
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raise NotImplementedError()
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def close(self) :
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print_error_msg("class_protocol派生类未实现close函数")
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raise NotImplementedError()
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#返回 math.nan 表示读取失败, 否则读取成功
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def read_float(self, device_addr : int, comm_str : string, scale : float = 1.0, offset : float = 0.0) -> float:
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raise NotImplementedError()
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#返回 False 表示读取失败
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#返回 True 表示读取成功
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def write_float(self, device_addr : int, comm_str : string, fvalue : float, scale : float = 1.0, offset : float = 0.0) -> bool:
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raise NotImplementedError()
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#读取comm_str地址开始的连续地址count个数， 地址连续
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#返回 math.nan 表示读取失败, 否则读取成功
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def read_float_arr(self, device_addr : int, comm_str : string, count : int) :
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raise NotImplementedError()
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#写入comm_str地址开始的连续地址 写入总个数由 len(fvalue_arr)决定
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#返回 False 表示读取失败, 否则读取成功
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def write_float_arr(self, device_addr : int, comm_str : string, fvalue_arr : list) -> bool:
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raise NotImplementedError()
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