Add Camera pixels visualizer using QT

# Vyžaduje knihovny pyqtgraph a PySide6

from PySide6.QtWidgets import QApplication, QMainWindow

from PySide6.QtCore import QTimer

import pyqtgraph as pg

import sys

from random import randint

import serial

class MainWindow(QMainWindow):

    def __init__(self):

        super(MainWindow, self).__init__()

        self.s = serial.Serial(f'{sys.argv[1]}', 115200)

        self.graphWidget = pg.PlotWidget()

        self.setCentralWidget(self.graphWidget)

        # mockup data, při první iteraci se vezmou nové

        self.x = list(range(128))  # 100 time points

        self.y = [randint(0,256) for _ in range(128)]  # 100 data points

        self.graphWidget.setBackground('w')

        pen = pg.mkPen(color=(255, 0, 0))

        self.data_line =  self.graphWidget.plot(self.x, self.y, pen=pen)

        self.graphWidget.setXRange(min=0, max=127, padding=0)  # Assuming x goes from 0 to 127

        self.graphWidget.setYRange(min=0, max=256, padding=0)  # Assuming y values are between 0 and 256

        self.timer = QTimer()

        self.timer.setInterval(10)

        self.timer.timeout.connect(self.update_plot_data)

        self.timer.start()

    def update_plot_data(self):

        try:

            data = self.s.readline().decode('ascii').strip()

            data = map(int, data.split())

            # Mělo by být 128, ale občas se může stát, že na začátku jen 64 nebo jiný.

            self.y = list(data)

        except Exception as e:

            # Close via ctrl+c # nefunguje

            print(e)

            self.s.close()

        self.data_line.setData(self.x, self.y)  # Update the data.

if (len(sys.argv) != 2):

    print("Usage: script.py /dev/ttyACM0")

    exit(1)

app = QApplication(sys.argv)

main = MainWindow()

main.show()

app.exec()