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Adding Addressabled LED class example #51
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ea0c6da
Add AddressableLED Example
megarubber 909227a
refactor: LED buffer constant name
megarubber abd2d97
add comments for Hue variable
megarubber a015b05
Update ledData to avoid high memory usage
megarubber e9c1bfc
Rename unused variable
auscompgeek fb358aa
change 'check bounds' value from 100 to 180
megarubber 78bf8fd
add addressableLED example in tests
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,51 @@ | ||
import wpilib | ||
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kLEDBuffer = 60 | ||
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class MyRobot(wpilib.TimedRobot): | ||
def robotInit(self): | ||
# PWM Port 9 | ||
# Must be a PWM header, not MXP or DIO | ||
self.led = wpilib.AddressableLED(9) | ||
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# LED Data | ||
self.ledData = [wpilib.AddressableLED.LEDData() for _ in range(kLEDBuffer)] | ||
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# Store what the last hue of the first pixel is | ||
self.rainbowFirstPixelHue = 0 | ||
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# Default to a length of 60, start empty output | ||
# Length is expensive to set, so only set it once, then just update data | ||
self.led.setLength(kLEDBuffer) | ||
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# Set the data | ||
self.led.setData(self.ledData) | ||
self.led.start() | ||
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def robotPeriodic(self): | ||
# Fill the buffer with a rainbow | ||
self.rainbow() | ||
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# Set the LEDs | ||
self.led.setData(self.ledData) | ||
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def rainbow(self): | ||
# For every pixel | ||
for i in range(kLEDBuffer): | ||
# Calculate the hue - hue is easier for rainbows because the color | ||
# shape is a circle so only one value needs to precess | ||
hue = (self.rainbowFirstPixelHue + (i * 180 / kLEDBuffer)) % 180 | ||
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# Set the value | ||
self.ledData[i].setHSV(int(hue), 255, 128) | ||
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# Increase by to make the rainbow "move" | ||
self.rainbowFirstPixelHue += 3 | ||
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# Check bounds | ||
self.rainbowFirstPixelHue %= 180 | ||
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if __name__ == "__main__": | ||
wpilib.run(MyRobot) |
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Original file line number | Diff line number | Diff line change |
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@@ -3,6 +3,7 @@ | |
cd "$(dirname $0)" | ||
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BASE_TESTS=" | ||
addressableled | ||
arcade-drive | ||
arm-simulation | ||
commands-v2/hatchbot | ||
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