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1522reader.py
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453 lines (384 loc) · 19.8 KB
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import tkinter as tk
import threading
import time
import csv
import datetime
import matplotlib.pyplot as plt
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from queue import Queue
class App:
def __init__(self, root, data_filepath):
self.root = root
self.root.title("Данные с датчика")
self.root.configure(bg="#282c34")
self.data_filepath = data_filepath
self.data_queue = Queue()
# --- Константы ---
self.BUTTON_WIDTH = 7
self.LABEL_WIDTH = 5
self.ENTRY_WIDTH = self.BUTTON_WIDTH
self.FONT_STYLE = ("Arial", 10)
self.BUTTON_BG = "#565656"
self.BUTTON_FG = "green"
self.ENTRY_BG = "#333842"
self.ENTRY_FG = "grey"
self.VALUE_BG = "#333842"
self.VALUE_FG = "white"
self.UPDATE_INTERVAL = 0.1
self.PLOT_UPDATE_INTERVAL = 0.1
self.MAX_DATA_POINTS = 100
# --- GUI элементы ---
self.create_widgets()
# --- Инициализация переменных ---
self.data_list = []
self.f_value = 0.0
self.n_value = 0.0
self.x_value = 0.0
self.f_value_small = 0.0
self.n_value_small = 0.0
self.times = []
self.f_values = []
self.n_values = []
self.x_values = []
self.is_recording = False
self.start_record = False # Используем bool переменную для хранения состояния кнопки
self.recording_file = None
self.reading = True
self.last_read_pos = 0
self.last_plot_time = 0
self.data_thread = None
# --- Проверка доступности файла ---
self.file_available = self.check_file()
if self.file_available:
self.open_data_file()
self.start_realtime_reading()
self.start_gui_update()
else:
print(f"Файл {self.data_filepath} не найден.")
self.start_button.config(state=tk.NORMAL)
def create_widgets(self):
"""Создает и размещает виджеты."""
# --- Кнопки и значения ---
self.top_frame = tk.Frame(self.root, bg="#282c34")
self.top_frame.pack(padx=5, pady=5, fill=tk.X)
# Задаем ширину для всех колонок в top_frame
self.top_frame.columnconfigure(0, weight=1, uniform="all_elements")
self.top_frame.columnconfigure(1, weight=1, uniform="all_elements")
self.top_frame.columnconfigure(2, weight=1, uniform="all_elements")
# Строка 1: Старт, F, N
self.create_row_1()
# Строка 2: Стоп, f, n
self.create_row_2()
# Строка 3: Запись, Tset, Значение 3
self.create_row_3()
# --- График ---
self.fig = plt.figure(figsize=(8, 5), dpi=100, facecolor="grey")
self.ax = self.fig.add_subplot(111)
self.ax.set_facecolor("#333842")
self.canvas = FigureCanvasTkAgg(self.fig, master=self.root)
self.canvas.draw()
self.canvas.get_tk_widget().pack(side=tk.BOTTOM, fill=tk.BOTH, expand=True)
self.ax.set_title('Данные с датчика', fontsize=16)
self.ax.set_xlabel('Время')
self.ax.set_ylabel('Значения')
self.ax.grid(True)
def create_row_1(self):
"""Создает элементы первой строки."""
self.row1_frame = tk.Frame(self.top_frame, bg="#282c34")
self.row1_frame.grid(row=0, column=0, columnspan=3, sticky="nsew")
# Рамка для кнопки "Старт"
self.start_button_frame = tk.Frame(self.row1_frame, bg=self.BUTTON_BG, bd=2, relief=tk.GROOVE)
self.start_button_frame.grid(row=0, column=0, padx=2, pady=2, sticky="nsew")
self.start_button = tk.Button(self.start_button_frame, text="Старт", command=self.start_reading,
width=self.BUTTON_WIDTH, bg=self.BUTTON_BG, fg=self.BUTTON_FG,
font=self.FONT_STYLE)
self.start_button.pack(fill=tk.BOTH, expand=True)
# F
self.F_frame = tk.Frame(self.row1_frame, bg=self.VALUE_BG, bd=2, relief=tk.GROOVE)
self.F_frame.grid(row=0, column=1, padx=2, pady=2, sticky="nsew")
self.F_label = tk.Label(self.F_frame, text="F:", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG, width=self.LABEL_WIDTH)
self.F_label.grid(row=0, column=0, padx=2, pady=2, sticky="w")
self.F_value_label = tk.Label(self.F_frame, text="0.0", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG)
self.F_value_label.grid(row=0, column=1, padx=20, pady=2, sticky="ew")
# N
self.N_frame = tk.Frame(self.row1_frame, bg=self.VALUE_BG, bd=2, relief=tk.GROOVE)
self.N_frame.grid(row=0, column=2, padx=5, pady=2, sticky="nsew")
self.N_label = tk.Label(self.N_frame, text="N:", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG, width=self.LABEL_WIDTH)
self.N_label.grid(row=0, column=0, padx=2, pady=2, sticky="w")
self.N_value_label = tk.Label(self.N_frame, text="0.0", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG)
self.N_value_label.grid(row=0, column=1, padx=20, pady=2, sticky="ew")
def create_row_2(self):
"""Создает элементы второй строки."""
self.row2_frame = tk.Frame(self.top_frame, bg="#282c34")
self.row2_frame.grid(row=1, column=0, columnspan=3, sticky="nsew")
# Рамка для кнопки "Стоп"
self.stop_button_frame = tk.Frame(self.row2_frame, bg=self.BUTTON_BG, bd=2, relief=tk.GROOVE)
self.stop_button_frame.grid(row=0, column=0, padx=2, pady=2, sticky="nsew")
self.stop_button = tk.Button(self.stop_button_frame, text="Стоп", command=self.stop_reading,
width=self.BUTTON_WIDTH, bg=self.BUTTON_BG, fg=self.BUTTON_FG,
font=self.FONT_STYLE)
self.stop_button.pack(fill=tk.BOTH, expand=True)
# f
self.f_frame = tk.Frame(self.row2_frame, bg=self.VALUE_BG, bd=2, relief=tk.GROOVE)
self.f_frame.grid(row=0, column=1, padx=2, pady=2, sticky="nsew")
self.f_label = tk.Label(self.f_frame, text="f:", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG, width=self.LABEL_WIDTH)
self.f_label.grid(row=0, column=0, padx=2, pady=2, sticky="w")
self.f_value_label = tk.Label(self.f_frame, text="0.0", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG)
self.f_value_label.grid(row=0, column=1, padx=20, pady=2, sticky="ew")
# n
self.n_frame = tk.Frame(self.row2_frame, bg=self.VALUE_BG, bd=2, relief=tk.GROOVE)
self.n_frame.grid(row=0, column=2, padx=3, pady=2, sticky="nsew")
self.n_label = tk.Label(self.n_frame, text="n:", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG, width=self.LABEL_WIDTH)
self.n_label.grid(row=0, column=0, padx=2, pady=2, sticky="w")
self.n_value_label = tk.Label(self.n_frame, text="0.0", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG)
self.n_value_label.grid(row=0, column=1, padx=20, pady=2, sticky="ew")
def create_row_3(self):
"""Создает элементы третьей строки."""
self.row3_frame = tk.Frame(self.top_frame, bg="#282c34")
self.row3_frame.grid(row=2, column=0, columnspan=3, sticky="nsew")
# Рамка для кнопки "Запись"
self.record_button_frame = tk.Frame(self.row3_frame, bg=self.BUTTON_BG, bd=2, relief=tk.GROOVE)
self.record_button_frame.grid(row=0, column=0, padx=2, pady=2, sticky="nsew")
self.record_button = tk.Button(self.record_button_frame, text="Запись", command=self.toggle_recording,
width=self.BUTTON_WIDTH, bg=self.BUTTON_BG, fg=self.BUTTON_FG,
font=self.FONT_STYLE)
self.record_button.pack(fill=tk.BOTH, expand=True)
# Tset.
self.coeff_frame = tk.Frame(self.row3_frame, bg=self.VALUE_BG, bd=2, relief=tk.GROOVE)
self.coeff_frame.grid(row=0, column=1, padx=2, pady=2, sticky="nsew")
self.coeff_label = tk.Label(self.coeff_frame, text="Tset.сек:", font=self.FONT_STYLE,
fg=self.VALUE_FG, bg=self.VALUE_BG, width=self.LABEL_WIDTH)
self.coeff_label.grid(row=0, column=0, padx=2, pady=2, sticky="w")
self.coeff_entry = tk.Entry(self.coeff_frame, font=self.FONT_STYLE, validate="key",
bg=self.ENTRY_BG, fg=self.ENTRY_FG, width=self.BUTTON_WIDTH)
self.coeff_entry.insert(0, "1")
self.coeff_entry.grid(row=0, column=1, padx=5, pady=2, sticky="ew")
self.coeff_frame.columnconfigure(1, weight=1)
self.coeff_entry['validatecommand'] = (self.coeff_entry.register(self.validate_input), '%P')
# Значение 3 (Пример: "X")
self.x_frame = tk.Frame(self.row3_frame, bg=self.VALUE_BG, bd=2, relief=tk.GROOVE)
self.x_frame.grid(row=0, column=2, padx=5, pady=2, sticky="nsew")
self.x_label = tk.Label(self.x_frame, text="X:", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG, width=self.LABEL_WIDTH)
self.x_label.grid(row=0, column=0, padx=2, pady=2, sticky="w")
self.x_value_label = tk.Label(self.x_frame, text="0.0", font=self.FONT_STYLE, fg=self.VALUE_FG,
bg=self.VALUE_BG)
self.x_value_label.grid(row=0, column=1, padx=20, pady=2, sticky="ew")
# Кнопка "Запись со стартом"
self.start_record_button = tk.Button(self.row3_frame, text="Запись со стартом: Выкл",
bg="#565656", fg="white", font=self.FONT_STYLE,
command=self.toggle_start_record)
self.start_record_button.grid(row=0, column=3, padx=10, pady=5, sticky='w')
def check_file(self):
"""Проверяет существует ли файл."""
try:
with open(self.data_filepath, 'r'):
return True
except FileNotFoundError:
return False
def open_data_file(self):
"""Открывает файл с данными для чтения."""
try:
self.data_file = open(self.data_filepath, 'r')
except FileNotFoundError:
print(f"Ошибка: Файл {self.data_filepath} не найден.")
self.file_available = False
def validate_input(self, new_value):
"""Проверка вводимого значения в поле Периода."""
try:
if new_value == "" or (10**(-9) <= float(new_value) <= 10**2):
return True
else:
return False
except ValueError:
return False
def toggle_start_record(self):
"""Обработчик для изменения состояния кнопки "Запись со стартом"."""
self.start_record = not self.start_record
if self.start_record:
self.start_record_button.config(text="Запись со стартом: Вкл", bg="green")
if self.reading:
self.is_recording = True
self.toggle_recording()
else:
self.start_record_button.config(text="Запись со стартом: Выкл", bg="#565656")
self.is_recording = False
if self.recording_file:
self.toggle_recording()
def start_realtime_reading(self):
"""Запускает поток для чтения данных в реальном времени."""
if not self.data_thread or not self.data_thread.is_alive():
self.data_thread = threading.Thread(target=self.read_data_realtime)
self.data_thread.daemon = True
self.data_thread.start()
def start_reading(self):
"""Запускает основной процесс чтения данных."""
if not self.reading:
self.reading = True
self.start_button.config(state=tk.DISABLED)
self.stop_button.config(state=tk.NORMAL)
# Запускаем чтение данных (если это необходимо)
if not self.data_thread or not self.data_thread.is_alive():
self.data_thread = threading.Thread(target=self.read_data)
self.data_thread.daemon = True
self.data_thread.start()
def stop_reading(self):
"""Останавливает чтение данных и сбрасывает график."""
if self.reading:
self.reading = False
self.start_button.config(state=tk.NORMAL)
self.stop_button.config(state=tk.DISABLED)
if self.is_recording:
self.toggle_recording()
self.reset_data()
def reset_data(self):
"""Сбрасывает все данные и график."""
self.data_queue.queue.clear()
self.times = []
self.f_values = []
self.n_values = []
self.x_values = []
self.f_value = 0.0
self.n_value = 0.0
self.x_value = 0.0
self.f_value_small = 0.0
self.n_value_small = 0.0
self.data_list = []
self.last_read_pos = 0
if self.file_available:
self.data_file.seek(0)
self.update_gui_values()
self.update_plot()
def read_data_realtime(self):
"""Читает данные из файла в реальном времени."""
while True:
try:
self.data_file.seek(self.last_read_pos)
if self.data_filepath.endswith('.csv'):
reader = csv.reader(self.data_file)
else:
reader = csv.reader(self.data_file, delimiter=' ')
new_lines = False
for row in reader:
new_lines = True
if row:
self.data_queue.put(row)
self.last_read_pos = self.data_file.tell()
if not new_lines:
time.sleep(self.UPDATE_INTERVAL)
except Exception as e:
print(f"Ошибка чтения данных (realtime): {e}")
time.sleep(self.UPDATE_INTERVAL)
def read_data(self):
"""Читает данные из файла в основном режиме."""
while self.reading:
try:
self.data_file.seek(self.last_read_pos)
if self.data_filepath.endswith('.csv'):
reader = csv.reader(self.data_file)
else:
reader = csv.reader(self.data_file, delimiter=' ')
new_lines = False
for row in reader:
new_lines = True
if not self.reading:
break
if row:
self.data_queue.put(row)
self.last_read_pos = self.data_file.tell()
if not new_lines:
time.sleep(self.UPDATE_INTERVAL)
except Exception as e:
print(f"Ошибка чтения данных: {e}")
time.sleep(self.UPDATE_INTERVAL)
def update_gui_values(self):
"""Обновляет значения в интерфейсе."""
self.F_value_label.config(text=f"{self.f_value:.1f}")
self.f_value_label.config(text=f"{self.f_value_small:.3f}")
self.N_value_label.config(text=f"{self.n_value:.1f}")
self.n_value_label.config(text=f"{self.n_value_small:.3f}")
self.x_value_label.config(text=f"{self.x_value:.1f}")
def update_plot(self):
"""Обновляет данные на графике."""
current_time = time.time()
if current_time - self.last_plot_time < self.PLOT_UPDATE_INTERVAL:
return
if len(self.times) > self.MAX_DATA_POINTS:
self.times = self.times[-self.MAX_DATA_POINTS:]
self.f_values = self.f_values[-self.MAX_DATA_POINTS:]
self.n_values = self.n_values[-self.MAX_DATA_POINTS:]
self.x_values = self.x_values[-self.MAX_DATA_POINTS:]
self.ax.clear()
self.ax.plot(self.times, self.f_values, label='F', linestyle='-', color='blue')
self.ax.plot(self.times, self.n_values, label='N', linestyle='-', color='red')
self.ax.plot(self.times, self.x_values, label='X', linestyle='-', color='green')
self.ax.set_title('Данные с датчика', fontsize=16)
self.ax.set_xlabel('Время')
self.ax.set_ylabel('Значения')
self.ax.grid(True)
self.ax.legend()
self.canvas.draw()
self.last_plot_time = current_time
def process_data_queue(self):
"""Обрабатывает очередь данных и обновляет GUI."""
while not self.data_queue.empty():
row = self.data_queue.get()
numbers = list(map(float, row))
formatted_data = " ".join(map(str, numbers))
self.data_list.append(formatted_data)
if len(self.data_list) > 10:
self.data_list.pop(0)
current_time = datetime.datetime.now()
try:
coeff = float(self.coeff_entry.get())
except ValueError:
coeff = 0.1
self.f_value = numbers[0] if len(numbers) > 0 else 0.0
self.n_value = numbers[1] if len(numbers) > 1 else 0.0
self.x_value = numbers[2] if len(numbers) > 2 else 0.0
self.f_value_small = numbers[3] if len(numbers) > 3 else 0.0
self.n_value_small = numbers[4] if len(numbers) > 4 else 0.0
self.times.append(current_time)
self.f_values.append(self.f_value)
self.n_values.append(self.n_value)
self.x_values.append(self.x_value)
if self.is_recording:
timestamp = current_time.strftime("%Y-%m-%d %H:%M:%S.%f")
with open(self.recording_file.name, "a") as rec_file:
rec_file.write(f"{timestamp} - {formatted_data}\n")
self.update_gui_values()
self.update_plot()
def start_gui_update(self):
"""Запускает периодическое обновление GUI."""
self.process_data_queue()
self.root.after(int(self.UPDATE_INTERVAL * 1000), self.start_gui_update)
def toggle_recording(self):
"""Включает/выключает запись данных в файл."""
if self.is_recording:
self.is_recording = False
self.record_button.config(text="Запись")
if self.recording_file:
self.recording_file.close()
self.recording_file = None
else:
self.is_recording = True
try:
filename = f"recorded_data_{datetime.datetime.now().strftime('%Y%m%d_%H%M%S')}.txt"
self.recording_file = open(filename, "w")
self.record_button.config(text="Остановить")
except Exception as e:
print(f"Ошибка при создании файла: {e}")
self.is_recording = False
self.record_button.config(text="Запись")
root = tk.Tk()
data_file = "data.txt"
app = App(root, data_file)
root.mainloop()