plot_m.py

import struct
import numpy as np
import pyqtgraph as pg
app = pg.mkQApp("DateAxisItem Example")


class FmtAxisItem(pg.AxisItem):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

    def tickStrings(self, values, scale, spacing):
        strings = []
        for v in values:
            vs = v * scale
            vs = int(vs)
            vstr = ("0x%x") % vs
            strings.append(vstr)
        return strings


data = open('./trace.binary', 'rb').read()

traces = []
for i in range(160,  len(data), 8):
    num = struct.unpack('<Q', data[i:i+8])[0]
    traces.append(num)


data = np.array(traces)
# data = np.fft.rfft(data)

w = pg.PlotWidget(axisItems={'left': FmtAxisItem(orientation='left')})
w.showGrid(x=True, y=True)
w.plot(data)

w.setWindowTitle('pyqtgraph example: DateAxisItem')
w.show()

if __name__ == '__main__':
    pg.exec()