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pyhoff
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minor fixes

This commit is contained in:
Nicolas 2025-02-17 09:31:06 +01:00
parent e7c4ad6f7c
commit 6a4aa22575
1 changed files with 7 additions and 7 deletions
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14
src/pyhoff/__init__.py
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@ -38,14 +38,14 @@ class DigitalInputTerminal(BusTerminal):
channel: The channel number (start counting from 1) to read from.
Returns:
The input value of the specified channel.
The input value of the specified channel or None if the read operation failed.
Raises:
Exception: If the channel number is out of range.
"""
if channel < 1 or channel > self.parameters['input_bit_width']:
raise Exception("address out of range")
return self.bus_coupler.read_discrete_input(self._input_bit_offset + channel - 1)
return self.bus_coupler._read_discrete_input(self._input_bit_offset + channel - 1)
class DigitalOutputTerminal(BusTerminal):
@ -78,14 +78,14 @@ class DigitalOutputTerminal(BusTerminal):
channel: The channel number (start counting from 1) to read from.
Returns:
The coil value of the specified channel.
The coil value of the specified channel or None if the read operation failed.
Raises:
Exception: If the channel number is out of range.
"""
if channel < 1 or channel > self.parameters['output_bit_width']:
raise Exception("address out of range")
return self.bus_coupler.read_coil(self._output_bit_offset + channel - 1)
return self.bus_coupler._read_coil(self._output_bit_offset + channel - 1)
class AnalogInputTerminal(BusTerminal):
@ -210,7 +210,7 @@ class BusCoupler():
"""BusCoupler: Busskoppler ModBus TCP"""
def __init__(self, host: str, port: int = 502, bus_terminals: list[Type[BusTerminal]] = [],
timeout: int = 5, watchdog: float = 0, debug: bool = False):
timeout: float = 5, watchdog: float = 0, debug: bool = False):
"""
Constructs a Bus Coupler connected over ModBus TCP.
@ -237,7 +237,7 @@ class BusCoupler():
def _init_hardware(self, watchdog: float):
pass
def read_discrete_input(self, address: int) -> bool | None:
def _read_discrete_input(self, address: int) -> bool | None:
"""
Read a discrete input from the given register address.
@ -253,7 +253,7 @@ class BusCoupler():
else:
return None
def read_coil(self, address: int) -> bool | None:
def _read_coil(self, address: int) -> bool | None:
"""
Read a coil from the given register address.