141 lines
3.3 KiB
Python
141 lines
3.3 KiB
Python
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import logging
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import math
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from threading import Timer
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import bdfparser
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from sense_hat import SenseHat
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logger = logging.getLogger(__name__)
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COLORS = {
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"Bleu": [0, 0, 255],
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"Blanc": [0, 0, 0],
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"Rouge": [255, 0, 0],
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"Verte": [0, 127, 31],
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"Jaune": [255, 255, 0],
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"heat": [255, 0, 0],
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"heating": [255, 0, 0],
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"idle": [127, 0, 255],
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"off": [127, 127, 127],
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"on_setting": [255, 255, 0],
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"off_setting": [255, 255, 255],
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None: [0, 0, 0],
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}
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class Screen:
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def __init__(self):
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self.sense = SenseHat()
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self._value = ""
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self._tmp = False
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self._tmp_value = None
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self._mode = None
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self.font = bdfparser.Font("src/tom-thumb.bdf")
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self._secondary = dict()
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self._secondary_pixels = [[0, 0, 0]] * 8
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self.timer = Timer(0, self.set_pixels)
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self._held = False
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self.sense.stick.direction_middle = self.stick_click
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@property
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def value(self):
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return self._value
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@value.setter
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def value(self, value):
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logger.debug(f"Updated value: <{value}>")
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self._value = format_value(value)
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if not self._tmp:
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self.set_pixels()
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@property
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def color(self):
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return COLORS.get(self.mode, [0, 0, 0])
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@property
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def mode(self):
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return self._mode
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@mode.setter
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def mode(self, value):
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self._mode = value
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if not self._tmp:
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self.set_pixels()
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@property
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def tmp_value(self):
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return self._tmp_value
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@tmp_value.setter
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def tmp_value(self, value):
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logger.debug(f"Show value: <{value}>")
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self.timer.cancel()
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self._tmp_value = format_value(value)
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self.show_tmp()
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def show_tmp(self):
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self._tmp = True
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self.set_pixels(
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self.tmp_value,
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color=COLORS.get("off_setting" if self.mode == "off" else "on_setting"),
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)
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self.timer = Timer(3, self.set_pixels)
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self.timer.start()
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def set_pixels(self, value=None, color=None, bg_color=[0, 0, 0]):
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if value is None:
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value = self.value
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self._tmp = False
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if color is None:
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color = self.color
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if value:
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pixels = [
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color if x else bg_color
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for x in self.font.draw(value, mode=0).crop(8, 7).todata(3)
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]
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else:
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pixels = 48 * [[0, 0, 0]]
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pixels += self.secondary_pixels
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self.sense.set_pixels(pixels)
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@property
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def secondary(self):
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return self._secondary
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@property
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def secondary_pixels(self):
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return self._secondary_pixels
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@secondary.setter
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def secondary(self, value):
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self._secondary = value
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for idx in range(2):
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self._secondary_pixels[4 * idx : 4 * (idx + 1)] = [
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COLORS.get(value.get(idx, None), [0, 0, 0])
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] * 4
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if not self._tmp:
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self.set_pixels()
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def stick_click(self, event):
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match (event.action, self._held):
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case ("held", False):
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self._held = True
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case ("released", True):
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self._held = False
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case ("released", False):
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self.show_tmp()
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def format_value(value):
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v = math.trunc(value)
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d = "." if (value - v) >= 0.5 else ""
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return f"{v}{d}"
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