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ESC panel: add per-ESC telemetry frame rate display #111

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Merged
tridge merged 1 commit into from
Feb 4, 2026
Merged

ESC panel: add per-ESC telemetry frame rate display #111

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24 changes: 24 additions & 0 deletions dronecan_gui_tool/panels/esc_panel.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,11 @@ def __init__(self, esc_index, parent):
self._temperature_label = QLabel('Temp: NC', self)
self._rpm_label = QLabel('RPM: NC', self)
self._power_rating_pct_label = QLabel('RAT: NC', self)
self._fps_label = QLabel('FPS: 0', self)

self._fps_count = 0
self._fps_window_start = time.time()
self._fps_last_msg_time = 0

layout = QHBoxLayout(self)

Expand All @@ -67,6 +72,7 @@ def __init__(self, esc_index, parent):
status_layout.addWidget(self._temperature_label)
status_layout.addWidget(self._rpm_label)
status_layout.addWidget(self._power_rating_pct_label)
status_layout.addWidget(self._fps_label)
status_layout.addStretch()
status_layout.addWidget(self._spinbox)
status_layout.addWidget(self._zero_button)
Expand All @@ -92,9 +98,25 @@ def view_mode_set_value(self, value):
self._slider.setValue(value)
self._spinbox.setValue(value)

def check_fps_timeout(self):
now = time.time()
if self._fps_last_msg_time > 0 and now - self._fps_last_msg_time >= 1.0:
self._fps_label.setText('FPS: 0.0')
self._fps_count = 0
self._fps_window_start = now
self._fps_last_msg_time = 0

def update_status(self, idx, error_count, voltage, current, temperature_celsius, rpm, power_rating_pct):
if idx != self._index:
return
now = time.time()
self._fps_count += 1
self._fps_last_msg_time = now
elapsed = now - self._fps_window_start
if elapsed >= 1.0:
self._fps_label.setText(f'FPS: {self._fps_count / elapsed:.1f}')
self._fps_count = 0
self._fps_window_start = now
if error_count is not None:
self._error_count_label.setText(f'Err: {error_count}')
if voltage is not None:
Expand Down Expand Up @@ -288,6 +310,8 @@ def _update_view_mode(self):
def _do_broadcast(self):
try:
self._update_view_mode()
for sl in self._sliders:
sl.check_fps_timeout()
if not self._view_mode.isChecked():
if not self._pause.isChecked():
if self._safety_enable.checkState():
Expand Down