115 lines
2.9 KiB
Python
115 lines
2.9 KiB
Python
"""
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On-device visual test for the Roll pattern via Presets.
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This exercises src/patterns/roll.py (gradient from color1 to color2 across strips),
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not the low-level WS2812 driver.
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Usage (from pico/ dir or project root with adjusted paths):
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mpremote connect <device> cp src/*.py :
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mpremote connect <device> cp src/patterns/*.py :patterns
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mpremote connect <device> cp lib/*.py :
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mpremote connect <device> cp test/roll.py :
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mpremote connect <device> run roll.py
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"""
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import utime
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from presets import Presets, Preset
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def make_roll_preset(name, color1, color2, delay_ms=60, brightness=255, direction=0):
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"""
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Helper to build a Preset for the 'roll' pattern.
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- color1: head color (full intensity)
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- color2: tail color (end of gradient)
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- direction: 0 = clockwise, 1 = anti-clockwise
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"""
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data = {
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"p": "roll",
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"c": [color1, color2],
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"b": brightness,
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"d": delay_ms,
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"n4": direction,
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"a": True, # animated
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}
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return name, Preset(data)
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def run_for(presets, duration_ms):
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"""Tick the current pattern for duration_ms."""
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start = utime.ticks_ms()
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while utime.ticks_diff(utime.ticks_ms(), start) < duration_ms:
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presets.tick()
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utime.sleep_ms(10)
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def main():
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presets = Presets()
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presets.load()
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num_leds = presets.strip_length(0)
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if num_leds <= 0:
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print("No strips; aborting roll test.")
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return
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print("Starting roll pattern gradient tests via Presets...")
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# A few different roll presets to compare:
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roll_presets = []
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# 1. White → off, clockwise (50% brightness, faster)
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roll_presets.append(
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make_roll_preset(
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"roll_white_off_cw",
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color1=(255, 255, 255),
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color2=(0, 0, 0),
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delay_ms=120,
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brightness=128,
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direction=0,
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)
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)
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# 2. Warm white → cool blue, clockwise (50% brightness, faster)
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roll_presets.append(
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make_roll_preset(
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"roll_warm_cool_cw",
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color1=(255, 200, 100),
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color2=(0, 0, 255),
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delay_ms=130,
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brightness=128,
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direction=0,
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)
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)
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# 3. Red → green, counter-clockwise (50% brightness, faster)
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roll_presets.append(
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make_roll_preset(
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"roll_red_green_ccw",
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color1=(255, 0, 0),
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color2=(0, 255, 0),
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delay_ms=110,
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brightness=128,
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direction=1,
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)
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)
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# Register presets and run them one after another
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for name, preset_obj in roll_presets:
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presets.presets[name] = preset_obj
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for name, _preset in roll_presets:
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print("Running roll preset:", name)
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presets.select(name)
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run_for(presets, duration_ms=8000)
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print("Roll pattern Presets test finished. Turning off LEDs.")
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presets.select("off")
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presets.tick()
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if __name__ == "__main__":
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main()
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