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Added interim over/underflow protection #16

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Merged
merged 1 commit into from
Nov 27, 2018
Merged

Added interim over/underflow protection #16

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10 changes: 10 additions & 0 deletions adafruit_tcs34725.py
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Original file line number Diff line number Diff line change
Expand Up @@ -236,10 +236,20 @@ def color_rgb_bytes(self):
red, green, blue component values as bytes (0-255).
"""
r, g, b, clear = self.color_raw
# Avoid divide by zero errors ... if clear = 0 return black
if clear == 0:
return (0, 0, 0)
# pylint: disable=bad-whitespace
red = int(pow((int((r/clear) * 256) / 255), 2.5) * 255)
green = int(pow((int((g/clear) * 256) / 255), 2.5) * 255)
blue = int(pow((int((b/clear) * 256) / 255), 2.5) * 255)
# Handle possible 8-bit overflow
if red > 255:
red = 255
if green > 255:
green = 255
if blue > 255:
blue = 255
return (red, green, blue)

@property
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