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Fixed render battery indicator so it uses the same linear mapping for the UI as the BLE app

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pelgraine
2026-02-07 20:42:32 +11:00
parent af9f41a541
commit e194f6d307
1 changed files with 4 additions and 6 deletions
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examples/companion_radio/ui-new/UITask.cpp
+4 -6
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@@ -103,12 +103,10 @@ class HomeScreen : public UIScreen {
AdvertPath recent[UI_RECENT_LIST_SIZE];
void renderBatteryIndicator(DisplayDriver& display, uint16_t batteryMilliVolts) {
// Try to get accurate SOC from BQ27220 fuel gauge first
uint8_t batteryPercentage = board.getBatteryPercent();
// Fall back to voltage-based estimation if fuel gauge returns 0
if (batteryPercentage == 0 && batteryMilliVolts > 0) {
void renderBatteryIndicator(DisplayDriver& display, uint16_t batteryMilliVolts) {
// Use voltage-based estimation to match BLE app readings
uint8_t batteryPercentage = 0;
if (batteryMilliVolts > 0) {
const int minMilliVolts = 3000;
const int maxMilliVolts = 4200;
int pct = ((batteryMilliVolts - minMilliVolts) * 100) / (maxMilliVolts - minMilliVolts);