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42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
3 years ago
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import select
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import sys
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import time
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from machine import Pin
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from neopixel import NeoPixel
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print("Starting USB UART")
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print("...")
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NEO_PIXELS = NeoPixel(Pin(48), 1)
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def parse_cmd(raw_bytes):
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# Drop the last element
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raw_cmds = raw_bytes.strip().split(';')
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cmds = []
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for cmd in raw_cmds:
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try:
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led, red, green, blue = cmd.split(',')
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# Still strings so zero is true here
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if all([led, red, green, blue]) and len(cmd.split(',')) == 4:
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cmds.append(tuple([int(led), tuple([int(red), int(green), int(blue)])]))
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except ValueError:
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continue
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return cmds
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def main():
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print("Waiting for commands...")
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while True:
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if select.select([sys.stdin], [], [], 0)[0]:
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raw_cmds = sys.stdin.readline()
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cmds = parse_cmd(raw_cmds)
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# print(f"Parsed: {cmds}")
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if cmds:
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for led_cmd in cmds:
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led_id, led_value = led_cmd
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NEO_PIXELS[led_id] = led_value
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NEO_PIXELS.write()
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main()
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