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digital_inout.py: add exceptions when ipol register is absent #60

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merged 5 commits into from
Oct 8, 2024
Merged

digital_inout.py: add exceptions when ipol register is absent #60

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87800a3
digital_inout.py: add exceptions when ipol register is absent
regicidalplutophage Oct 6, 2024
85974d9
Appease pylint
regicidalplutophage Oct 6, 2024
824f7ba
Update digital_inout.py
regicidalplutophage Oct 6, 2024
2dbe675
Add requested changes
regicidalplutophage Oct 7, 2024
84a1f25
Merge branch 'adafruit:main' into patch-1
regicidalplutophage Oct 8, 2024
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12 changes: 9 additions & 3 deletions adafruit_mcp230xx/digital_inout.py
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Original file line number Diff line number Diff line change
Expand Up @@ -148,13 +148,19 @@ def invert_polarity(self) -> bool:
"""The polarity of the pin, either True for an Inverted or
False for an normal.
"""
if _get_bit(self._mcp.ipol, self._pin):
if hasattr(self._mcp, "ipol") and _get_bit(self._mcp.ipol, self._pin):
return True
return False

@invert_polarity.setter
def invert_polarity(self, val: bool) -> None:
if val:
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self._mcp.ipol = _enable_bit(self._mcp.ipol, self._pin)
if hasattr(self._mcp, "ipol"):
self._mcp.ipol = _enable_bit(self._mcp.ipol, self._pin)
else:
raise ValueError("Inverted polarity is not supported.")
else:
self._mcp.ipol = _clear_bit(self._mcp.ipol, self._pin)
if hasattr(self._mcp, "ipol"):
self._mcp.ipol = _clear_bit(self._mcp.ipol, self._pin)
else:
return