197 lines
6.8 KiB
Python
197 lines
6.8 KiB
Python
#!/usr/bin/env python3
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"""
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Matrix64 LED Display - Main Entry Point
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Displays Home Assistant and Netdata data on a 64x64 LED matrix.
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Layout:
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[Weather Icon 24x24] [Outdoor: Temp + Humidity]
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[Indoor: Temp + Humidity]
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[Time HH:MM:SS centered]
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[HDD Temps row 1]
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[HDD Temps row 2]
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"""
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from samplebase import SampleBase
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from rgbmatrix import graphics
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import time
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import datetime
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from config import LED_ROWS, LED_COLS
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from weather_icons import draw_weather_icon
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from home_assistant import (
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get_weather, get_weather_description,
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get_interior_weather, get_brightness
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)
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from netdata import get_hdd_temps
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def format_temp(value):
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"""Format temperature to one decimal place."""
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try:
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return f"{float(value):.1f}°"
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except (ValueError, TypeError):
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return "N/A"
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def format_humidity(value):
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"""Format humidity as integer percentage."""
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try:
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return f"{int(float(value))}%"
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except (ValueError, TypeError):
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return "N/A"
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def get_temperature_color(temp):
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"""Determine color based on temperature value."""
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try:
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temp_value = float(str(temp).replace('°', '').strip())
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if temp_value < 0:
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return graphics.Color(0, 100, 255)
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elif temp_value < 10:
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return graphics.Color(100, 180, 255)
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elif temp_value < 20:
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return graphics.Color(0, 255, 100)
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elif temp_value < 30:
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return graphics.Color(255, 200, 0)
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else:
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return graphics.Color(255, 50, 50)
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except ValueError:
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return graphics.Color(255, 255, 255)
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class Matrix64Display(SampleBase):
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"""Main display class for the LED matrix."""
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def __init__(self, *args, **kwargs):
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super(Matrix64Display, self).__init__(*args, **kwargs)
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self.parser.add_argument(
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"-t", "--text",
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help="The text to scroll on the RGB LED panel",
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default="Hello world!"
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)
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self.temperature = None
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self.humidity = None
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self.interior_temperature = None
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self.interior_humidity = None
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self.last_update = time.time()
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self.weather_desc = "unknown"
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self.hdd_temps = None
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def update_data(self):
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"""Fetch all data from APIs."""
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try:
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# Weather data
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weather = get_weather()
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if weather.get("temperature") is not None:
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self.temperature = float(weather.get("temperature"))
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self.humidity = weather.get("humidity")
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self.weather_desc = get_weather_description()
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# Interior data
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interior = get_interior_weather()
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if interior.get("temperature") is not None:
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self.interior_temperature = float(interior.get("temperature"))
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self.interior_humidity = interior.get("humidity")
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except Exception as e:
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print(f"Error updating data: {e}")
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def update_brightness(self):
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"""Update LED matrix brightness."""
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try:
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brightness = get_brightness()
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if brightness:
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self.matrix.brightness = int(float(brightness)) / 10
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except Exception as e:
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self.matrix.brightness = 5
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print(f"Error updating brightness: {e}")
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def update_hdd_temps(self):
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"""Update HDD temperatures."""
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self.hdd_temps = get_hdd_temps()
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def run(self):
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"""Main display loop."""
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canvas = self.matrix.CreateFrameCanvas()
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# Load fonts
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font_dir = "/home/pi/rpi-rgb-led-matrix/fonts"
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time_font = graphics.Font()
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time_font.LoadFont(f"{font_dir}/7x13.bdf")
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data_font = graphics.Font()
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data_font.LoadFont(f"{font_dir}/5x8.bdf")
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small_font = graphics.Font()
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small_font.LoadFont(f"{font_dir}/4x6.bdf")
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# Colors
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time_color = graphics.Color(20, 75, 200)
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humidity_color = graphics.Color(100, 180, 255) # Light blue for humidity
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hdd_color = graphics.Color(80, 80, 80) # Dim gray for HDD temps
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label_color = graphics.Color(120, 120, 120) # Gray for labels
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# Initial data fetch
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self.update_brightness()
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self.update_data()
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self.update_hdd_temps()
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while True:
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now = datetime.datetime.now()
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time_str = f"{now.hour:02d}:{now.minute:02d}:{now.second:02d}"
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current_time = time.time()
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# Update every 60 seconds
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if current_time - self.last_update >= 60:
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self.update_data()
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self.update_brightness()
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self.update_hdd_temps()
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self.last_update = current_time
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canvas.Clear()
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# === Weather Icon (top-left, 24x24 area) ===
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draw_weather_icon(canvas, 0, 0, self.weather_desc)
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# === Labels at top (right side) ===
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graphics.DrawText(canvas, small_font, 28, 6, label_color, "Out")
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graphics.DrawText(canvas, small_font, 48, 6, label_color, "In")
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# === Temperatures (row below labels) ===
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if self.temperature is not None:
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temp_str = format_temp(self.temperature)
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temp_color = get_temperature_color(self.temperature)
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graphics.DrawText(canvas, data_font, 26, 14, temp_color, temp_str)
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if self.interior_temperature is not None:
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temp_str = format_temp(self.interior_temperature)
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temp_color = get_temperature_color(self.interior_temperature)
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graphics.DrawText(canvas, data_font, 46, 14, temp_color, temp_str)
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# === Humidity (row below temps) ===
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if self.humidity is not None:
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hum_str = format_humidity(self.humidity)
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graphics.DrawText(canvas, data_font, 26, 22, humidity_color, hum_str)
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if self.interior_humidity is not None:
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hum_str = format_humidity(self.interior_humidity)
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graphics.DrawText(canvas, data_font, 46, 22, humidity_color, hum_str)
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# === Time Display (centered) ===
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time_len = len(time_str) * 7
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time_x = (64 - time_len) // 2
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graphics.DrawText(canvas, time_font, time_x, 38, time_color, time_str)
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# === HDD Temperatures (bottom) ===
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if self.hdd_temps and len(self.hdd_temps) > 4:
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row1 = " ".join(str(int(t[0]))[:2] for t in self.hdd_temps[1:4])
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row2 = " ".join(str(int(t[0]))[:2] for t in self.hdd_temps[4:])
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graphics.DrawText(canvas, data_font, 10, 50, hdd_color, row1)
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graphics.DrawText(canvas, data_font, 10, 60, hdd_color, row2)
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time.sleep(0.5)
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canvas = self.matrix.SwapOnVSync(canvas)
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if __name__ == "__main__":
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display = Matrix64Display()
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if not display.process():
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display.print_help() |