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Adding unsafe flag to disable warnings while running #143

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Adding unsafe flag to disable warnings while running #143

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8 changes: 7 additions & 1 deletion documentation/Function-reference.md
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Original file line number Diff line number Diff line change
Expand Up @@ -97,4 +97,10 @@ Sets the pixel at x,y to colour r,g,b. The x value should be between 0 and 7, th

Note that for compatibility with Unicorn HAT y values between 4 and 7 will be accepted but wrap around the range. In other words they are technically acceptable but should be avoided when writing programs designed for the pHAT.

All other functions detailed in the HAT sections are otherwise valid and identical.
```python
set_unsafe( True )
```

Disables warnings about brightness while running.

All other functions detailed in the HAT sections are otherwise valid and identical.
8 changes: 7 additions & 1 deletion library/UnicornHat/unicornhat.py
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Expand Up @@ -54,6 +54,8 @@
'indigo':(75,0,130)
}

# Don't show warnings if UNSAFE
UNSAFE = False

"""
Store the rotation of UnicornHat, defaults to
Expand Down Expand Up @@ -120,6 +122,9 @@ def setup():

_is_setup = True

def set_unsafe(safe=False):
global UNSAFE
UNSAFE=safe

def set_gamma(gamma):
setup()
Expand Down Expand Up @@ -222,6 +227,7 @@ def brightness(b=0.2):
:param b: Brightness from 0.0 to 1.0 (default 0.2)
"""

global UNSAFE
setup()

if b > 1 or b < 0:
Expand All @@ -233,7 +239,7 @@ def brightness(b=0.2):

brightness = int(b*128.0)

if brightness < 30:
if brightness < 30 and not UNSAFE:
print("Warning: Low brightness chosen, your UnicornHAT might not light up!")

ws2812.setBrightness(brightness)
Expand Down