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Fixes Input/Output Error with occasional button reads #49

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Merged
merged 2 commits into from
Dec 23, 2019
Merged

Fixes Input/Output Error with occasional button reads #49

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9a746f4
Fixes OSError issue with occasional button reads
makermelissa Dec 23, 2019
bf098c7
fixed indentation
makermelissa Dec 23, 2019
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7 changes: 6 additions & 1 deletion adafruit_featherwing/minitft_featherwing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,12 @@ def buttons(self):
"""
Return a set of buttons with current push values
"""
button_values = self._ss.digital_read_bulk(self._button_mask)
try:
button_values = self._ss.digital_read_bulk(self._button_mask)
except OSError:
return Buttons(*[False for button in
(BUTTON_UP, BUTTON_DOWN, BUTTON_LEFT, BUTTON_RIGHT,
BUTTON_A, BUTTON_B, BUTTON_SEL)])
return Buttons(*[not button_values & (1 << button) for button in
(BUTTON_UP, BUTTON_DOWN, BUTTON_LEFT, BUTTON_RIGHT,
BUTTON_A, BUTTON_B, BUTTON_SEL)])