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lock SPI only when writing #71

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Merged
merged 1 commit into from
Aug 21, 2025
Merged

lock SPI only when writing #71

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7 changes: 4 additions & 3 deletions adafruit_dotstar.py
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Original file line number Diff line number Diff line change
Expand Up @@ -108,9 +108,9 @@ def __init__(
self._spi = None
try:
self._spi = busio.SPI(clock, MOSI=data)
while not self._spi.try_lock():
pass
self._spi.try_lock()
self._spi.configure(baudrate=baudrate)
self._spi.unlock()

except (NotImplementedError, ValueError):
self.dpin = digitalio.DigitalInOut(data)
Expand Down Expand Up @@ -145,7 +145,6 @@ def deinit(self) -> None:
self.fill(0)
self.show()
if self._spi:
self._spi.unlock()
self._spi.deinit()
else:
self.dpin.deinit()
Expand Down Expand Up @@ -174,7 +173,9 @@ def n(self) -> int:

def _transmit(self, buffer: ReadableBuffer) -> None:
if self._spi:
self._spi.try_lock()
self._spi.write(buffer)
self._spi.unlock()
else:
self._ds_writebytes(buffer)

Expand Down