255 lines
9.2 KiB
Python
255 lines
9.2 KiB
Python
# Built In Dependencies
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import time
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import math
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import threading
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import importlib.util
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import sys
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import os
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import re
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# Internal Dependencies
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from commands import Commands, send_command
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from patterns import lightning_bolt_bot, lightning_bolt_top, lookup_table, id_patterns
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# External Dependencies
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import numpy as np
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import serial # pyserial
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from serial.tools import list_ports
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# Correct table orientation for visual orientation when drawn
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for i in range(lookup_table.shape[0]):
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lookup_table[i] = lookup_table[i].T
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def spiral_index(fill_ratio):
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return int(round(fill_ratio * 9.999999 - 0.5))
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## App Draw Functions ##
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# Takes up 15 rows, 7 columns, starting at y,1
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# For bottom segment, the 16th row will be empty
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def draw_spiral_vals(grid, cpu_values, fill_value, y):
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y += 1
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for i, v in enumerate(cpu_values):
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column_number = i % 2
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row_number = i // 2
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fill_grid = lookup_table[spiral_index(v)]
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grid[1+column_number*4:4+column_number*4, y+row_number*4:y+3+row_number*4] = fill_grid * fill_value
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# Takes up 2 rows, 7 columns, starting at y, 1
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def draw_memory(grid, memory_ratio, fill_value, y):
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lit_pixels = 7 * 2 * memory_ratio
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pixels_bottom = int(round(lit_pixels / 2))
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pixels_top = int(round((lit_pixels - 0.49) / 2))
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grid[1:1+pixels_top,y+1] = fill_value
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grid[1:1+pixels_bottom,y+2] = fill_value
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# Takes up 12 (top segment) or 13 (bottom segment) rows, 7 columns, starting at y,1
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def draw_battery(grid, battery_ratio, battery_plugged, fill_value, y,
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battery_low_thresh = 0.07, battery_low_flash_time = 2, charging_pulse_time = 3):
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if y == 19: # Placement on bottom
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bot = 33
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num_rows = 13
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lightning_bolt = lightning_bolt_bot
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else: # Placement on top (y == 3)
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bot = 16
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num_rows = 12
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lightning_bolt = lightning_bolt_top
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bat_top = y + 1
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bat_bot = bat_top + num_rows
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lit_pixels = int(round(num_rows * 7 * battery_ratio))
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pixels_base = lit_pixels // 7
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remainder = lit_pixels % 7
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if battery_ratio <= battery_low_thresh and not battery_plugged:
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if time.time() % battery_low_flash_time * 2 < battery_low_flash_time: # This will flash the battery indicator if too low
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return
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for i in range(7):
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pixels_col = pixels_base
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if i < remainder:
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pixels_col += 1
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grid[i+1,bot-pixels_col:bot] = fill_value
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if battery_plugged:
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pulse_amount = math.sin(time.time() / charging_pulse_time)
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grid[1:8,bat_top:bat_bot][lightning_bolt] -= np.rint(fill_value + 10 * pulse_amount).astype(int)
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indices = grid[1:8,bat_top:bat_bot] < 0
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grid[1:8,bat_top:bat_bot][indices] = -grid[1:8,bat_top:bat_bot][indices]
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# Takes up 16 (top segment) or 17 (bottom segment) rows, 3 columns, starting at y,1
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def draw_bar(grid, bar_ratio, bar_value, bar_x_offset = 1, y=0):
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bar_width = 3
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bar_height = 16
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lit_pixels = int(round(bar_height * bar_width * bar_ratio))
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pixels_base = lit_pixels // bar_width
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remainder = lit_pixels % bar_width
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for i in range(bar_width):
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pixels_col = pixels_base
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if i < remainder:
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pixels_col += 1
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if y == 16:
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grid[bar_x_offset+i,33-pixels_col:33] = bar_value
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else:
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grid[bar_x_offset+i,1:1+pixels_col] = bar_value
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## Border Draw Functions ##
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# Draws a border around a 16 (top segment) or a 17 (bottom segment)
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# x 9 grid, divided into a 2 x 4 grid. For the bottom segment,
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# the last grid will have an extra row
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def draw_8_x_8_grid(grid, border_value, y):
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height = 16 if y == 0 else 17
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grid[:, y] = border_value # Top
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grid[:, y+height] = border_value # Bottom
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grid[0, y:y+height] = border_value # Left
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grid[8, y:y+height] = border_value # Right
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grid[4, y:y+height] = border_value # Middle
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# Horizontal grid borders
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grid[:, y+4] = border_value
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grid[:, y+8] = border_value
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grid[:, y+12] = border_value
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# Draws a border around a 16 (top segment) or a 17 (bottom segment)
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# x 9 grid, split horizontally into two sections at the specified column
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def draw_2_x_1_horiz_grid(grid, border_value, y, x_split_idx=4):
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height = 16 if y == 0 else 17
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grid[:, y] = border_value # Top
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grid[:, y+height] = border_value # Bottom
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grid[0, y:y+height] = border_value # Left
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grid[8, y:y+height] = border_value # Right
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grid[x_split_idx, y:y+height] = border_value # Middle
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# Draws a border around a 16 (top segment) or a 17 (bottom segment),
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# split vertically into two sections at the specified row
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def draw_1_x_2_vert_grid(grid, border_value, y, y_split_idx = 3):
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height = 16 if y == 0 else 17
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grid[:, y] = border_value # Top
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grid[:, y+height] = border_value # Bottom
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grid[:, y+y_split_idx] = border_value # Middle
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grid[0, y:y+height] = border_value # Left
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grid[8, y:y+height] = border_value # Right
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# Draws a border around the entire panel, split
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# vertically into two equal segments
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def draw_outline_border(grid, border_value):
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grid[:, 0] = border_value # Top
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grid[:, 16] = border_value # Middle
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grid[:, 33] = border_value # Bottom
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grid[0, :] = border_value # Left
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grid[8, :] = border_value # Right
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# Maps an app arg value to abstract app and border draw functions
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metrics_funcs = {
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"cpu": {
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"fn": draw_spiral_vals,
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"border": draw_8_x_8_grid
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},
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"disk": {
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"fn": draw_bar,
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"border": draw_2_x_1_horiz_grid
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},
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"net": {
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"fn": draw_bar,
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"border": draw_2_x_1_horiz_grid
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},
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"mem": {
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"fn": draw_memory,
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"border": draw_1_x_2_vert_grid
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},
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"bat": {
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"fn": draw_battery,
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"border": draw_1_x_2_vert_grid
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},
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#noop
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"none": {
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"fn": lambda *x: x,
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"border": lambda *x: x
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}
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}
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# Draws the app for the specified arg value
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def draw_app(app, *arguments, **kwargs):
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metrics_funcs[app].get('fn')(*arguments, **kwargs)
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# Draws the border for the specified arg value
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def draw_app_border(app, *arguments):
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metrics_funcs[app].get('border')(*arguments)
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# Draw the IDs of apps currently assigned to the top and bottom of the left panel
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def draw_ids_left(grid, top_left, bot_left, fill_value):
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fill_grid_top = id_patterns[top_left]
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fill_grid_bot = id_patterns[bot_left]
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grid[1:8, 1:16] = fill_grid_top * fill_value
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grid[1:8, 18:-1] = fill_grid_bot * fill_value
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# Draw the IDs of apps currently assigned to the top and bottom of the right panel
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def draw_ids_right(grid, top_right, bot_right, fill_value):
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fill_grid_top = id_patterns[top_right]
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fill_grid_bot = id_patterns[bot_right]
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grid[1:8, 1:16] = fill_grid_top * fill_value
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grid[1:8, 18:-1] = fill_grid_bot * fill_value
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def draw_to_LEDs(s, grid):
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for i in range(grid.shape[0]):
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params = bytearray([i]) + bytearray(grid[i, :].tolist())
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send_command(s, Commands.StageCol, parameters=params)
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send_command(s, Commands.FlushCols)
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def init_device(location = "1-3.2"):
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try:
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# VID = 1234
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# PID = 5678
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device_list = list_ports.comports()
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for device in device_list:
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if device.location and device.location.startswith(location):
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s = serial.Serial(device.device, 115200)
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return s
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except Exception as e:
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print(e)
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class DrawingThread(threading.Thread):
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def __init__(self, port_location, input_queue):
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super().__init__()
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self.daemon = True
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self.port_location = port_location
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self.serial_port = init_device(self.port_location)
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self.input_queue = input_queue
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def run(self):
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while True:
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try:
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grid = self.input_queue.get()
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draw_to_LEDs(self.serial_port, grid)
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except Exception as e:
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print(f"Error in DrawingThread: {e}")
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del self.serial_port
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time.sleep(1.0)
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self.serial_port = init_device(self.port_location)
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###############################################################
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### Load metrics functions from plugins ###
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###############################################################
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# Keep this at the end of the module to avoid circular imports
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if not re.search(r"--disable-plugins|-dp", str(sys.argv)):
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plugins_dir = './plugins/'
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for file in os.listdir(plugins_dir):
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if file.endswith('_plugin.py'):
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module_name = re.sub(file, "_plugin.py", "")
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file_path = plugins_dir + file
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spec = importlib.util.spec_from_file_location(module_name, file_path)
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module = importlib.util.module_from_spec(spec)
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sys.modules[module_name] = module
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spec.loader.exec_module(module)
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for k,v in module.metrics_funcs.items():
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metrics_funcs[k] = v
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from drawing import id_patterns
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for k,v in module.id_patterns.items():
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id_patterns[k] = v
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################################################################
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