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Update adafruit_vl53l1x.py #21

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c3e206b
Update adafruit_vl53l1x.py
JohnFFlanagan Jan 2, 2025
ee74252
Update adafruit_vl53l1x.py
JohnFFlanagan Jan 2, 2025
a7e6843
Update adafruit_vl53l1x.py
JohnFFlanagan Jan 2, 2025
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JohnFFlanagan Jan 2, 2025
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15 changes: 8 additions & 7 deletions adafruit_vl53l1x.py
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Original file line number Diff line number Diff line change
Expand Up @@ -301,9 +301,8 @@ def distance_mode(self, mode):
def roi_xy(self):
"""Returns the x and y coordinates of the sensor's region of interest"""
temp = self._read_register(_ROI_CONFIG__USER_ROI_REQUESTED_GLOBAL_XY_SIZE)

x = (int.from_bytes(temp) & 0x0F) + 1
y = ((int.from_bytes(temp) & 0xF0) >> 4) + 1
x = (int.from_bytes(temp, "little") & 0x0F) + 1
y = ((int.from_bytes(temp, "little") & 0xF0) >> 4) + 1

return x, y

Expand All @@ -319,22 +318,24 @@ def roi_xy(self, data):
optical_center = 199

self._write_register(
_ROI_CONFIG__USER_ROI_CENTRE_SPAD, optical_center.to_bytes()
_ROI_CONFIG__USER_ROI_CENTRE_SPAD, optical_center.to_bytes(1, "little")
)
self._write_register(
_ROI_CONFIG__USER_ROI_REQUESTED_GLOBAL_XY_SIZE,
((y - 1) << 4 | (x - 1)).to_bytes(),
((y - 1) << 4 | (x - 1)).to_bytes(1, "little"),
)

@property
def roi_center(self):
"""Returns the center of the sensor's region of interest"""
temp = self._read_register(_ROI_CONFIG__USER_ROI_CENTRE_SPAD)
return int.from_bytes(temp)
return int.from_bytes(temp, "little")

@roi_center.setter
def roi_center(self, center):
self._write_register(_ROI_CONFIG__USER_ROI_CENTRE_SPAD, center.to_bytes())
self._write_register(
_ROI_CONFIG__USER_ROI_CENTRE_SPAD, center.to_bytes(1, "little")
)

def _write_register(self, address, data, length=None):
if length is None:
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