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Add charging indicator to companion_radio battery icon #3054

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hansimgamr wants to merge 2 commits into from
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Add charging indicator to companion_radio battery icon #3054

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08a841d
Add charging indicator to companion_radio battery icon
hansimgamr Jul 28, 2026
9580d71
Show plug at >=95% instead of exactly 100%
hansimgamr Jul 28, 2026
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17 changes: 15 additions & 2 deletions examples/companion_radio/ui-new/UITask.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -141,11 +141,24 @@ class HomeScreen : public UIScreen {
int fillWidth = (batteryPercentage * (iconWidth - 4)) / 100;
display.fillRect(iconX + 2, iconY + 2, fillWidth, iconHeight - 4);

// show muted icon if buzzer is muted
// while charging, show a bolt (or a plug once full) just left of the battery,
// keeping the fill bar itself clean and uninterrupted
bool charging = board.isExternalPowered();
if (charging) {
// There's no charge-complete signal on most boards, so "full" is a high
// voltage band rather than an exact 100% (a real pack rarely reads 4.2V).
const int BATT_FULL_PCT = 95;
const uint8_t* symbol = (batteryPercentage >= BATT_FULL_PCT) ? plug_icon : charging_icon;
display.setColor(UIColor::title_txt);
display.drawXbm(iconX - 9, iconY + 1, symbol, 8, 8);
}

// show muted icon if buzzer is muted (shifted further left when the charging
// icon already occupies the slot immediately left of the battery)
#ifdef PIN_BUZZER
if (_task->isBuzzerQuiet()) {
display.setColor(UIColor::warning_txt);
display.drawXbm(iconX - 9, iconY + 1, muted_icon, 8, 8);
display.drawXbm(iconX - (charging ? 18 : 9), iconY + 1, muted_icon, 8, 8);
}
#endif
}
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10 changes: 10 additions & 0 deletions examples/companion_radio/ui-new/icons.h
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Expand Up @@ -119,4 +119,14 @@ static const uint8_t advert_icon[] = {

static const uint8_t muted_icon[] = {
0x20, 0x6a, 0xea, 0xe4, 0xe4, 0xea, 0x6a, 0x20
};

// small lightning bolt, 8x8px, shown next to the battery icon while charging
static const uint8_t charging_icon[] = {
0x18, 0x30, 0x60, 0xFC, 0x18, 0x30, 0x60, 0xC0
};

// small power plug, 8x8px, shown next to the battery icon once fully charged
static const uint8_t plug_icon[] = {
0x24, 0x24, 0x7E, 0x7E, 0x7E, 0x3C, 0x18, 0x18
};