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changed to hybrid render battery indicator method

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pelgraine
2026-02-14 10:41:03 +11:00
parent b1e3f2ac28
commit 0a892f2dad
1 changed files with 14 additions and 9 deletions
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examples/companion_radio/ui-new/UITask.cpp
+14 -9
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@@ -110,17 +110,22 @@ class HomeScreen : public UIScreen {
AdvertPath recent[UI_RECENT_LIST_SIZE];
void renderBatteryIndicator(DisplayDriver& display, uint16_t batteryMilliVolts) {
void renderBatteryIndicator(DisplayDriver& display, uint16_t batteryMilliVolts, int* outIconX = nullptr) {
// Use the BQ27220 fuel gauge SOC register for accurate percentage.
// Falls back to voltage estimation if the fuel gauge returns 0.
// Falls back to voltage estimation if the fuel gauge is uncalibrated.
uint8_t batteryPercentage = board.getBatteryPercent();
if (batteryPercentage == 0 && batteryMilliVolts > 0) {
const int minMilliVolts = 3000;
const int maxMilliVolts = 4200;
int pct = ((batteryMilliVolts - minMilliVolts) * 100) / (maxMilliVolts - minMilliVolts);
if (pct < 0) pct = 0;
if (pct > 100) pct = 100;
batteryPercentage = (uint8_t)pct;
// Sanity check: if voltage says full but gauge disagrees significantly,
// the gauge hasn't calibrated yet — fall back to voltage estimate
int voltagePct = 0;
if (batteryMilliVolts > 0) {
voltagePct = ((batteryMilliVolts - 3000) * 100) / (4200 - 3000);
if (voltagePct < 0) voltagePct = 0;
if (voltagePct > 100) voltagePct = 100;
}
if (batteryPercentage == 0 || abs((int)batteryPercentage - voltagePct) > 30) {
batteryPercentage = (uint8_t)voltagePct;
}
display.setColor(DisplayDriver::GREEN);