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from itertools import cycle |
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from curio import sleep |
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from bricknil import attach, start |
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from bricknil.hub import DuploTrainHub |
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from bricknil.sensor import DuploTrainMotor, DuploSpeedSensor, LED, DuploVisionSensor, DuploSpeaker, Button |
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from bricknil.const import Color |
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import logging |
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@attach(DuploSpeaker, name='speaker') |
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@attach(DuploVisionSensor, name='vision_sensor', capabilities=['sense_color', 'sense_ctag', 'sense_reflectivity']) |
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@attach(LED, name='led') |
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@attach(DuploSpeedSensor, name='speed_sensor', capabilities=['sense_speed', 'sense_count']) |
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@attach(DuploTrainMotor, name='motor') |
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class Train(DuploTrainHub): |
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def __init__(self, *args, **kwargs): |
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super().__init__(*args, **kwargs) |
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self.go = False # Only becomes true with hub button is pressed |
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async def speed_sensor_change(self): |
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speed = self.speed_sensor.value[DuploSpeedSensor.capability.sense_speed] |
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if not self.go and speed > 0: |
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self.go = True |
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self.message_info('Movement detected: starting...') |
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elif self.go: |
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count = self.speed_sensor.value[DuploSpeedSensor.capability.sense_count] |
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self.message_info(f'Speed sensor changed speed: {speed} count: {count}') |
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async def vision_sensor_change(self): |
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cap = DuploVisionSensor.capability |
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color = self.vision_sensor.value[cap.sense_color] |
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ctag = self.vision_sensor.value[cap.sense_ctag] |
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reflt = self.vision_sensor.value[cap.sense_reflectivity] |
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if self.go: |
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self.message_info(f'Vision sensor changed color: {color} ctag: {ctag} reflt: {reflt}') |
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async def run(self): |
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self.message_info("Running") |
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colors = cycle([Color.red, Color.purple, Color.yellow, Color.blue, Color.white]) |
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snd = DuploSpeaker.sounds |
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sounds = cycle([snd.brake, snd.station, snd.water, snd.horn, snd.steam]) |
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self.message_info('Please move the train to start the program') |
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while not self.go: |
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await self.led.set_color(next(colors)) |
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await sleep(0.1) |
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for i in range(5): |
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await self.led.set_color(next(colors)) # Cycle through the colors |
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await self.speaker.play_sound(next(sounds)) # cycle through the sounds |
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tgt_speed = 20 + i*15 # Keep increasing the speed |
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await self.motor.ramp_speed(tgt_speed, 2000) |
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self.message_info(f"Set speed to {i}") |
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await sleep(3) |
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self.message_info("Done") |
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async def system(): |
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hub = Train('train') |
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if __name__ == '__main__': |
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logging.basicConfig(level=logging.INFO) |
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start(system) |
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virantha /
bricknil
