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132 lines
3.3 KiB
Python
132 lines
3.3 KiB
Python
#!/usr/bin/env python
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import Adafruit_WS2801
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import Adafruit_GPIO.SPI as SPI
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import time
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# count of pixels:
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PIXEL_COUNT = 19
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# specify a hardware SPI connection on /dev/spidev0.0:
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SPI_PORT = 0
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SPI_DEVICE = 0
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pixels = Adafruit_WS2801.WS2801Pixels(PIXEL_COUNT, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE))
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# colors of each character
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color_guru = [146, 200, 0] # purple
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color_pirate = [255, 0, 200] # yellow
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color_announcer= [0, 100, 200] # aqua blue
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def leds_color_intensity(color, intensity):
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# color: a list of 3 rgb components 0 to 255
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# intensity: between 0 and 1
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# pixN: number of pixels
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r = color[0]
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g = color[1]
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b = color[2]
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for i in range(PIXEL_COUNT):
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pixels.set_pixel_rgb(i,
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int(r*intensity),
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int(g*intensity),
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int(b*intensity) ) # Set the RGB color (0-255) of pixel i
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pixels.show()
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# LEDs grow and shrink
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def leds_color_length(color, intensity):
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# color: a list of 3 rgb components 0 to 255
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# intensity: between 0 and 1
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# pixN: number of pixels
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r = color[0]
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g = color[1]
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b = color[2]
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led_length = int(PIXEL_COUNT * intensity)
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for i in range(led_length):
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pixels.set_pixel_rgb(i,
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int(r),
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int(g),
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int(b) ) # Set the RGB color (0-255) of pixel i
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time.sleep(0.01)
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pixels.show()
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pixels.clear()
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# LEDS for pirate
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def leds_pirate_blink(color):
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# color: a list of 3 rgb components 0 to 255
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# pixN: number of pixels
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r = color[0]
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g = color[1]
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b = color[2]
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while True:
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pixels.clear()
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pixels.show()
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time.sleep(0.02)
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for i in range(PIXEL_COUNT):
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pixels.set_pixel_rgb(i,
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int(r),
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int(g),
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int(b) ) # Set the RGB color (0-255) of pixel i
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pixels.show()
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time.sleep(0.01)
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def leds_pirate_circle(color):
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# color: a list of 3 rgb components 0 to 255
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# pixN: number of pixels
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r = color[0]
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g = color[1]
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b = color[2]
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while True:
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for i in range(PIXEL_COUNT):
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pixels.set_pixel_rgb(i,
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int(r),
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int(g),
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int(b) ) # Set the RGB color (0-255) of pixel i
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pixels.show()
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time.sleep(0.01)
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pixels.clear()
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pixels.show()
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time.sleep(0.3)
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def leds_pirate_bounce(color):
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# color: a list of 3 rgb components 0 to 255
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# pixN: number of pixels
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r = color[0]
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g = color[1]
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b = color[2]
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leds = list(range(PIXEL_COUNT))+ (list(range(PIXEL_COUNT))[::-1])
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n = 0
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while True:
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n = n + 1
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for i in leds:
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pixels.set_pixel_rgb(i,
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int(r),
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int(g),
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int(b) ) # Set the RGB color (0-255) of pixel i
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pixels.show()
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time.sleep(0.01)
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pixels.clear()
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pixels.show()
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time.sleep(0.3)
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if n > 3:
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break
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pixels.clear() # Clear all the pixels to turn them off.
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