ChTheo/RFG_stm32_ADC_receiver_GUI
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fix graph range

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This commit is contained in:
awe
2026-06-09 18:29:38 +03:00
parent ec7b01f861
commit 09e6d5c566
1 changed files with 25 additions and 8 deletions
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33
rfg_vna_viewer.py
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@ -202,13 +202,16 @@ def build_gui():
p_norm.setXLink(p_raw)
c_norm_amp = p_norm.plot(pen=pg.mkPen((80, 120, 255), width=1))
# Row 3: normalized phase
# Row 3: normalized phase + linear fit + deviation
p_ph = win.addPlot(row=3, col=0, title="Нормированная фаза arg(S)")
p_ph.showGrid(x=True, y=True, alpha=0.3)
p_ph.setLabel("bottom", "Частота", units="ГГц")
p_ph.setLabel("left", "Фаза", units="рад")
p_ph.setXLink(p_raw)
c_ph = p_ph.plot(pen=pg.mkPen((230, 180, 40), width=1))
p_ph.addLegend(offset=(10, 10))
c_ph = p_ph.plot(pen=pg.mkPen((230, 180, 40), width=1), name="Фаза")
c_ph_line = p_ph.plot(pen=pg.mkPen((180, 180, 180), width=1, style=QtCore.Qt.DashLine), name="Лин. прибл.")
c_ph_dev = p_ph.plot(pen=pg.mkPen((255, 100, 200), width=1), name="Отклонение")
# Row 4: FFT distance
p_fft = win.addPlot(row=4, col=0, title="FFT — расстояние")
@ -217,15 +220,17 @@ def build_gui():
p_fft.setLabel("left", "Магнитуда", units="дБ")
c_fft = p_fft.plot(pen=pg.mkPen((60, 200, 80), width=1))
return app, win, (c_main_amp, c_ref_amp, c_norm_ch1, c_norm_ch2, c_norm_amp, c_ph, c_fft)
plots = [p_raw, p_ch, p_norm, p_ph, p_fft]
curves = (c_main_amp, c_ref_amp, c_norm_ch1, c_norm_ch2, c_norm_amp, c_ph, c_ph_line, c_ph_dev, c_fft)
return app, win, curves, plots
# ---------------------------------------------------------------------------
# Update loop
# ---------------------------------------------------------------------------
def make_update(reader, parser, assembler, curves):
c_main_amp, c_ref_amp, c_norm_ch1, c_norm_ch2, c_norm_amp, c_ph, c_fft = curves
state = {"ref_phase_first": None}
def make_update(reader, parser, assembler, curves, plots):
c_main_amp, c_ref_amp, c_norm_ch1, c_norm_ch2, c_norm_amp, c_ph, c_ph_line, c_ph_dev, c_fft = curves
state = {"ref_phase_first": None, "axes_locked": False}
queue = deque(maxlen=64)
def update():
@ -269,9 +274,21 @@ def make_update(reader, parser, assembler, curves):
c_norm_amp.setData(freqs_ghz, norm_amp)
c_ph.setData(freqs_ghz, phase)
# Linear fit (line through first and last point) + deviation
line = np.linspace(phase[0], phase[-1], len(phase))
deviation = phase - line
c_ph_line.setData(freqs_ghz, line)
c_ph_dev.setData(freqs_ghz, deviation)
fft_db = 20.0 * np.log10(fft_mag + 1e-12)
c_fft.setData(fft_dist, fft_db)
# Lock axes after first sweep
if not state["axes_locked"]:
state["axes_locked"] = True
for p in plots:
p.enableAutoRange(False)
return update
@ -283,9 +300,9 @@ def main():
reader = DataReader(path)
parser = LegacyBinaryParser(batch_events=True)
assembler = SweepAssembler(fancy=False, apply_inversion=False)
app, win, curves = build_gui()
app, win, curves, plots = build_gui()
update = make_update(reader, parser, assembler, curves)
update = make_update(reader, parser, assembler, curves, plots)
timer = QtCore.QTimer()
timer.timeout.connect(update)
timer.start(TIMER_MS)