Pico_Template_Python/oszi.py

import customtkinter as ctk
import time
import math
import random
import csv
import tkinter as tk
import customtkinter as ctk
import time
import serial
import time


## cc maximilian scheinast-peter
## last update 11.04.2024
## dieses programm funktioniert ähnlich wie ein digitales Oszi zur Darstellung von Vitalkurven
## Attribution-NonCommercial license



def get_data():
    # Configure serial port (adjust port name as needed)
    ser = serial.Serial('/dev/ttyACM0', 115200)

    # Wait for the serial connection to establish
    ser.timeout = 2

    #ser.write(b'testcom.py\n')  # Send command to start the script
    while True:
        
        # Read data from serial port
        data = ser.readline().decode().strip()

        # Check if data is not empty
        #print(data)
        if data:
            try:
                # Attempt to convert data to float
                value = float(data)
                timestamp = time.time()
                return timestamp, value
            except ValueError:
                print("Invalid data format:", data)
        else:
            print("Empty data received")
        
        # Add a small delay to prevent rapid looping
        time.sleep(0.001)



def wait_for_next_millisecond():
    """Waits until the next full millisecond."""
    current_time = time.time()
    next_millisecond = (int(current_time * 1000) + 1) / 1000
    time.sleep(next_millisecond - current_time)


# Function to generate realistic ECG data


class EKGApp:
    def __init__(self, master):
        self.master = master
        master.title("EKG Visualization")

        # Main Frame
        main_frame = ctk.CTkFrame(master)
        main_frame.pack(fill=ctk.BOTH, expand=True)

        # Single Sweep Canvas
        self.single_canvas = ctk.CTkCanvas(main_frame, width=600, height=300)
        self.single_canvas.pack(side=ctk.LEFT, fill=ctk.BOTH, expand=True)

        # Multi Sweep Canvas
        self.multi_canvas = ctk.CTkCanvas(main_frame, width=600, height=300)
        self.multi_canvas.pack(side=ctk.LEFT, fill=ctk.BOTH, expand=True)

        # Input Frame
        input_frame = ctk.CTkFrame(main_frame)
        input_frame.pack(side=ctk.RIGHT, fill=ctk.Y)

        # Data Structures
        self.single_data = []
        self.multi_data = []
        self.logged_data = []

        # Time Variables
        self.start_time = time.time()
        self.multi_sweep_duration = 10  # Initial Laufbanddauer

        # Trigger Variables
        self.trigger_level = 50
        self.trigger_armed = False
        self.trigger_paused = False
        self.trigger_timestamp = None
        self.last_trigger_timestamp = None
        self.last_value = 0
        self.trigger_count = 0

        # Cooldown Variables
        self.cooldown_time = 0
        self.cooldown_active = False

        # Logging Variables
        self.logging_active = False

        # Batching Variables
        self.batch_size = 5
        self.current_batch = []

        # Input Fields and Buttons (with consistent size)
        self.create_input_fields(input_frame)

        # Logging Frame
        logging_frame = ctk.CTkFrame(master)
        logging_frame.pack(fill=ctk.X)
        self.create_logging_buttons(logging_frame)

        # Update Data Periodically
        self.update_data()

        # Resize Handling
        self.single_canvas.bind("<Configure>", self.on_resize)
        self.multi_canvas.bind("<Configure>", self.on_resize)

    def create_input_fields(self, frame):
        # Consistent width for all input elements
        input_width = 150

        # Trigger Level
        ctk.CTkLabel(frame, text="Trigger Level:").pack()
        self.trigger_entry = ctk.CTkEntry(frame, width=input_width)
        self.trigger_entry.insert(0, str(self.trigger_level))
        self.trigger_entry.pack()

        # Flank Selection
        ctk.CTkLabel(frame, text="Flanke:").pack()
        self.flank_var = ctk.StringVar(value="Steigende Flanke")
        self.flank_combobox = ctk.CTkComboBox(frame, variable=self.flank_var,
                                                values=["Steigende Flanke", "Fallende Flanke"], width=input_width)
        self.flank_combobox.pack()

        # Cooldown
        ctk.CTkLabel(frame, text="Cooldown (Sekunden):").pack()
        self.cooldown_entry = ctk.CTkEntry(frame, width=input_width)
        self.cooldown_entry.insert(0, "0")
        self.cooldown_entry.pack()
        self.cooldown_button = ctk.CTkButton(frame, text="Cooldown setzen", command=self.set_cooldown,
                                                width=input_width)
        self.cooldown_button.pack()

        # Ax Time (X-Achsen-Zeit)
        ctk.CTkLabel(frame, text="Ax-Zeit (Sekunden):").pack()
        self.ax_time_entry = ctk.CTkEntry(frame, width=input_width)
        self.ax_time_entry.insert(0, str(self.multi_sweep_duration))  # Initial value
        self.ax_time_entry.pack()
        self.ax_time_button = ctk.CTkButton(frame, text="Ax-Zeit setzen", command=self.set_ax_time, width=input_width)
        self.ax_time_button.pack()

        # Trigger Buttons
        self.trigger_button = ctk.CTkButton(frame, text="Trigger starten", command=self.toggle_trigger,
                                            width=input_width)
        self.trigger_button.pack()
        self.pause_button = ctk.CTkButton(frame, text="Trigger pausieren", command=self.pause_trigger,
                                            state=ctk.DISABLED, width=input_width)
        self.pause_button.pack()

        # Multi Sweep Duration (Laufbanddauer)
        ctk.CTkLabel(frame, text="Laufbanddauer (Sekunden):").pack()
        self.duration_entry = ctk.CTkEntry(frame, width=input_width)
        self.duration_entry.insert(0, "30")
        self.duration_entry.pack()
        self.duration_button = ctk.CTkButton(frame, text="Dauer setzen", command=self.set_duration, width=input_width)
        self.duration_button.pack()

    def set_ax_time(self):

        try:
            self.multi_sweep_duration = float(self.ax_time_entry.get())
        except ValueError:
            pass

    def create_logging_buttons(self, frame):
        # Consistent width for logging buttons
        button_width = 120

        self.start_logging_button = ctk.CTkButton(frame, text="Start Logging", command=self.start_logging,
                                                    width=button_width)
        self.start_logging_button.pack(side=ctk.LEFT)
        self.end_logging_button = ctk.CTkButton(frame, text="End Logging", command=self.end_logging, state=ctk.DISABLED,
                                                width=button_width)
        self.end_logging_button.pack(side=ctk.LEFT)
        self.save_data_button = ctk.CTkButton(frame, text="Save Data", command=self.save_data, state=ctk.DISABLED,
                                                width=button_width)
        self.save_data_button.pack(side=ctk.LEFT)

    def set_cooldown(self):
        try:
            self.cooldown_time = float(self.cooldown_entry.get())
        except ValueError:
            pass

    def set_duration(self):
        try:
            self.multi_sweep_duration = float(self.duration_entry.get())
        except ValueError:
            pass

    def toggle_trigger(self):
        if self.trigger_armed:
            self.trigger_armed = False
            self.trigger_button.configure(text="Trigger starten")
            self.pause_button.configure(state=ctk.DISABLED)
            self.single_data = []
            self.draw_single_canvas()
        else:
            try:
                self.trigger_level = float(self.trigger_entry.get())
            except ValueError:
                pass
            self.trigger_armed = True
            self.trigger_button.configure(text="Trigger stoppen")
            self.pause_button.configure(state=ctk.NORMAL)
            self.trigger_count = 0

    def pause_trigger(self):
        self.trigger_paused = not self.trigger_paused
        if self.trigger_paused:
            self.pause_button.configure(text="Trigger fortsetzen")
        else:
            self.pause_button.configure(text="Trigger pausieren")

    def start_logging(self):
        self.logging_active = True
        self.logged_data = []
        self.start_logging_button.configure(state=ctk.DISABLED)
        self.end_logging_button.configure(state=ctk.NORMAL)

    def end_logging(self):
        self.logging_active = False
        self.start_logging_button.configure(state=ctk.NORMAL)
        self.end_logging_button.configure(state=ctk.DISABLED)
        self.save_data_button.configure(state=ctk.NORMAL)

    def save_data(self):
        # Popup for file name
        ####print(123)
        file_name = ctk.CTkInputDialog(text="Enter file name:", title="Save Data").get_input()
        if file_name:
            try:
                with open(f"{file_name}.csv", "w", newline="", encoding='utf-8') as csvfile:
                    writer = csv.writer(csvfile)
                    writer.writerow(["Timestamp", "Value"])
                    writer.writerows(self.logged_data)
                self.save_data_button.configure(state=ctk.DISABLED)
            except Exception as e:
                print(f"Error saving data: {e}")

    def update_data(self):

        # Get EKG Data
        timestamp, value = get_data()

        # Collect data points into batches
        self.current_batch.append((timestamp, value))

        if len(self.current_batch) == self.batch_size:
            # Process the batch (e.g., plot it)
            #self.multi_data.append((timestamp, value))
            self.process_batch(self.current_batch)
            
            # Reset the current batch
            self.current_batch = []



        # Update Multi Sweep Data
        #self.multi_data.append((timestamp, value))
        try:
            if timestamp - self.multi_data[0][0] > self.multi_sweep_duration:
                self.multi_data.pop(0)
        except:
            pass
        # Trigger Logic
        if self.trigger_armed and not self.trigger_paused and not self.cooldown_active:
            condition = (
                        value >= self.trigger_level and self.last_value < self.trigger_level) if self.flank_var.get() == "Steigende Flanke" else (
                        value <= self.trigger_level and self.last_value > self.trigger_level)
            if condition:
                self.last_trigger_timestamp = timestamp
                self.single_data = []
                self.trigger_count = 0
                if self.cooldown_time > 0:
                    self.cooldown_active = True
                    self.master.after(int(self.cooldown_time * 1000), self.end_cooldown)

        # Update Single Sweep Data
        if self.last_trigger_timestamp is not None and self.trigger_armed and not self.trigger_paused:
            self.single_data.append((timestamp, value))

        # Update Logged Data
        if self.logging_active:
            self.logged_data.append((timestamp, value))

        
        

        # Store last value and update trigger count
        self.last_value = value
        if self.trigger_armed and not self.trigger_paused:
            self.trigger_count += 1

    

        # Call again after 1ms
        self.master.after(1,self.update_data)

    def end_cooldown(self):
        self.cooldown_active = False

    def process_batch(self, batch):
        global i
        i=i+1
        #print(i)
        # Example: Calculate average value for the batch
        total_value = sum(value for _, value in batch)
        average_value = total_value / len(batch)
        for timestamp, value in batch:
            self.multi_data.append((timestamp, value))
        ###print(f"Average value for batch: {average_value}")
        self.draw_multi_canvas()
        # Draw Canvases
        self.draw_single_canvas()
        # You can implement your own logic here, such as plotting the batch
        # on a separate canvas or performing other calculations.

    def draw_single_canvas(self):
        self.single_canvas.delete("all")
        if not self.single_data or self.last_trigger_timestamp is None:
            return
        
        # Prepare coordinates for create_line
        coords = []
        x_scale = self.single_canvas.winfo_width() / self.multi_sweep_duration
        y_scale = self.single_canvas.winfo_height() / 100
        last_x, last_y = None, None
        
        for timestamp, value in self.single_data:
            x = (timestamp - self.last_trigger_timestamp) * x_scale
            y = self.single_canvas.winfo_height() - (value * self.single_canvas.winfo_height() / 100)
            if last_x is not None:
                coords.extend([last_x, last_y, x, y])
            last_x, last_y = x, y

        # Draw the lines
        if coords:
            self.single_canvas.create_line(*coords, fill="blue")


    def draw_multi_canvas(self):
        self.multi_canvas.delete("all")
        if not self.multi_data:
            return

        duration = max(self.multi_data[-1][0] - self.multi_data[0][0], 0.001)
        x_scale = self.multi_canvas.winfo_width() / duration
        y_scale = self.multi_canvas.winfo_height() / 100

        coords = []
        for timestamp, value in self.multi_data:
            x = (timestamp - self.multi_data[0][0]) * x_scale
            y = self.multi_canvas.winfo_height() - (value * y_scale)
            coords.extend([x, y])

        self.multi_canvas.create_line(*coords, fill="blue")
        trigger_y = self.multi_canvas.winfo_height() - (self.trigger_level * y_scale)
        self.multi_canvas.create_line(self.multi_canvas.winfo_width() - 10, trigger_y, self.multi_canvas.winfo_width(), trigger_y + 5, fill="red")
        self.multi_canvas.create_line(self.multi_canvas.winfo_width() - 10, trigger_y, self.multi_canvas.winfo_width(), trigger_y - 5, fill="red")

    def draw_time_axis(self, canvas, start_time, duration):
        for i in range(int(duration) + 1):
            x = i * canvas.winfo_width() / duration
            canvas.create_line(x, 0, x, canvas.winfo_height(), fill="gray", dash=(2, 2))
            canvas.create_text(x, canvas.winfo_height() - 10, text=f"{i:.1f}s", anchor=ctk.N)

    def on_resize(self, event):
        self.draw_single_canvas()
        self.draw_multi_canvas()
i=0
if __name__ == "__main__":
    #ctk.set_appearance_mode("dark")  # Modes: "System" (standard), "Dark", "Light"
    ctk.set_default_color_theme("blue")  # Themes: "blue" (standard), "green", "dark-blue"
    root = ctk.CTk()
    app = EKGApp(root)
    root.mainloop()