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Bangle.js: smooth out battery level readings

This commit is contained in:
Gordon Williams 2022-09-05 14:26:26 +01:00 committed by Gitea
parent e476b8a701
commit 87c61948a6
1 changed files with 16 additions and 4 deletions
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20
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
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@ -144,6 +144,8 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
private boolean realtimeHRM = false;
private boolean realtimeStep = false;
private int realtimeHRMInterval = 30*60;
/// Last battery percentage reported (or -1) to help with smoothing reported battery levels
private int lastBatteryPercent = -1;
private final LimitedQueue/*Long*/ mNotificationReplyAction = new LimitedQueue(16);
@ -273,6 +275,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
getDevice().setFirmwareVersion("N/A");
getDevice().setFirmwareVersion2("N/A");
lastBatteryPercent = -1;
LOG.info("Initialization Done");
@ -446,16 +449,25 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
} break;
case "status": {
GBDeviceEventBatteryInfo batteryInfo = new GBDeviceEventBatteryInfo();
batteryInfo.state = BatteryState.UNKNOWN;
if (json.has("chg")) {
batteryInfo.state = (json.getInt("chg") == 1) ? BatteryState.BATTERY_CHARGING : BatteryState.BATTERY_NORMAL;
}
if (json.has("bat")) {
int b = json.getInt("bat");
if (b < 0) b = 0;
if (b > 100) b = 100;
// smooth out battery level reporting (it can only go up if charging, or down if discharging)
// http://forum.espruino.com/conversations/379294
if (lastBatteryPercent<0) lastBatteryPercent = b;
if (batteryInfo.state == BatteryState.BATTERY_NORMAL && b > lastBatteryPercent)
b = lastBatteryPercent;
if (batteryInfo.state == BatteryState.BATTERY_CHARGING && b < lastBatteryPercent)
b = lastBatteryPercent;
lastBatteryPercent = b;
batteryInfo.level = b;
batteryInfo.state = BatteryState.BATTERY_NORMAL;
}
if (json.has("chg") && json.getInt("chg") == 1) {
batteryInfo.state = BatteryState.BATTERY_CHARGING;
}
if (json.has("volt"))
batteryInfo.voltage = (float) json.getDouble("volt");
handleGBDeviceEvent(batteryInfo);