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battery: replace text-only percentage with icon family #31

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battery: replace text-only percentage with icon family #31

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7fcc403
battery: replace text-only percentage with icon family
subinita01 Apr 29, 2026
587c591
battery: switch to LVGL built-in battery symbols
subinita01 Apr 30, 2026
7601aa1
battery icon update pr
subinita01 Apr 30, 2026
e4f79a1
battery: show battery icon before charge symbol when charging
subinita01 Apr 30, 2026
eb4844e
battery: fix docstring, charge symbol is appended not prepended
subinita01 Apr 30, 2026
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28 changes: 24 additions & 4 deletions main/ui/battery.c
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Original file line number Diff line number Diff line change
Expand Up @@ -12,14 +12,34 @@ static void battery_update(lv_obj_t *label) {
bsp_pmic_chg_t chg = BSP_PMIC_CHG_DISCHARGING;
bsp_pmic_get_charge_status(&chg);

char buf[16];
const char *battery_icon;
lv_color_t color;
if (pct >= 76) {
battery_icon = LV_SYMBOL_BATTERY_FULL;
color = yes_color();
} else if (pct >= 40) {
battery_icon = LV_SYMBOL_BATTERY_3;
color = main_color();
} else if (pct >= 20) {
battery_icon = LV_SYMBOL_BATTERY_2;
color = highlight_color();
} else if (pct >= 5) {
battery_icon = LV_SYMBOL_BATTERY_1;
color = error_color();
} else {
battery_icon = LV_SYMBOL_BATTERY_EMPTY;
color = error_color();
}

char buf[32];
if (chg == BSP_PMIC_CHG_CHARGING) {
snprintf(buf, sizeof(buf), "%u%% " LV_SYMBOL_CHARGE, pct);
snprintf(buf, sizeof(buf), "%s%s %u%%", battery_icon, LV_SYMBOL_CHARGE, pct);
color = yes_color();
} else {
snprintf(buf, sizeof(buf), "%u%%", pct);
snprintf(buf, sizeof(buf), "%s %u%%", battery_icon, pct);
}
lv_label_set_text(label, buf);
lv_obj_set_style_text_color(label, pct > 20 ? yes_color() : error_color(), 0);
lv_obj_set_style_text_color(label, color, 0);
}

static void battery_timer_cb(lv_timer_t *t) {
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5 changes: 4 additions & 1 deletion main/ui/battery.h
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,10 @@

/**
* Create a battery percentage label with auto-refresh timer.
* Color is green above 20%, red otherwise. Shows a charge symbol when charging.
* Displays a battery-level icon (LV_SYMBOL_BATTERY_*) alongside the charge
* percentage. Colour reflects charge state: green (>=76%), white (>=40%),
* orange (>=20%), red (<20%). When charging, LV_SYMBOL_CHARGE is appended
* to the battery icon and the whole label turns green.
* Returns NULL if PMIC is unavailable. The refresh timer is automatically
* deleted when the label is destroyed.
*
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