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Settings: add buzzer volume control (5 levels, like brightness)

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- NodePrefs: add buzzer_volume field (0=min..4=max, default 4)
- DataStore: persist buzzer_volume at end of prefs file (backward-compat)
- buzzer: setVolume()/getVolume(); applyVolume() sets PWM duty cycle via
  analogWrite() after each rtttl::play() call to control output amplitude
- Settings UI: new BzrVol bar item in Sound section (left/right to adjust)
- UITask: apply saved volume on startup alongside brightness

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-05-13 21:09:47 +02:00
co-authored by Claude Sonnet 4.6
parent 861a65d4b1
commit ffa568938f
7 changed files with 57 additions and 1 deletions
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examples/companion_radio/ui-new/UITask.cpp
+28
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@@ -116,6 +116,7 @@ class SettingsScreen : public UIScreen {
// Sound section
SECTION_SOUND,
BUZZER,
BUZZER_VOLUME,
// Radio section
SECTION_RADIO,
TX_POWER,
@@ -273,6 +274,14 @@ class SettingsScreen : public UIScreen {
display.print(_task->isBuzzerQuiet() ? "OFF" : "ON");
#else
display.print("N/A");
#endif
} else if (item == BUZZER_VOLUME) {
display.print("BzrVol");
#ifdef PIN_BUZZER
renderBar(display, VAL_X, y, _task->getBuzzerVolume() + 1, 5);
#else
display.setCursor(VAL_X, y);
display.print("N/A");
#endif
} else if (item == TX_POWER) {
display.print("TX Pwr");
@@ -577,6 +586,14 @@ public:
_task->toggleBuzzer(); // saves immediately internally
return true;
}
if (_selected == BUZZER_VOLUME) {
#ifdef PIN_BUZZER
uint8_t lvl = _task->getBuzzerVolume();
if (right && lvl < 4) { _task->setBuzzerVolumeLevel(lvl + 1); _dirty = true; return true; }
if (left && lvl > 0) { _task->setBuzzerVolumeLevel(lvl - 1); _dirty = true; return true; }
#endif
return right || left;
}
if (_selected == TX_POWER && p) {
if (right && p->tx_power_dbm < 22) { p->tx_power_dbm++; _task->applyTxPower(); _dirty = true; return true; }
if (left && p->tx_power_dbm > 2) { p->tx_power_dbm--; _task->applyTxPower(); _dirty = true; return true; }
@@ -2157,6 +2174,7 @@ void UITask::begin(DisplayDriver* display, SensorManager* sensors, NodePrefs* no
#ifdef PIN_BUZZER
buzzer.quiet(_node_prefs->buzzer_quiet);
buzzer.setVolume(_node_prefs->buzzer_volume);
buzzer.begin();
#endif
@@ -2589,6 +2607,16 @@ void UITask::setBrightnessLevel(uint8_t level) {
_next_refresh = 0;
}
void UITask::setBuzzerVolumeLevel(uint8_t level) {
#ifdef PIN_BUZZER
if (_node_prefs == NULL) return;
if (level > 4) level = 4;
_node_prefs->buzzer_volume = level;
buzzer.setVolume(level);
_next_refresh = 0;
#endif
}
void UITask::toggleBuzzer() {
// Toggle buzzer quiet mode
#ifdef PIN_BUZZER