Add conservative BMS reconnect backoff

firmware/esp32/overland-controller/bms.cpp

@@ -511,58 +511,31 @@ void initBms() {
 }
 
 void updateBms() {
-    if (!appConfig.bms.enabled || appConfig.bms.address.length() == 0) {
+    if (bmsSetupMode) {
-        bmsData.connected = false;
         return;
     }
 
-    unsigned long now = millis();
+    if ((long)(bmsReconnectPausedUntil - millis()) > 0) {
-
-    if (!client || !client->isConnected()) {
-        bmsData.connected = false;
-
-        if (now - lastBmsAttemptMs < bmsRetryIntervalMs) {
-            return;
-        }
-
-        lastBmsAttemptMs = now;
-
-        if (!connectBms()) {
-            consecutiveBmsFailures++;
-
-            if (consecutiveBmsFailures >= 3) {
-                bmsRetryIntervalMs = BMS_RETRY_INTERVAL_LONG_FAIL_MS;
-            } else {
-                bmsRetryIntervalMs = BMS_RETRY_INTERVAL_FAILED_MS;
-            }
-
-            return;
-        }
-
-        consecutiveBmsFailures = 0;
-        bmsRetryIntervalMs = BMS_RETRY_INTERVAL_CONNECTED_MS;
-    }
-
-    if (!requestBmsData()) {
-        bmsData.connected = false;
-        consecutiveBmsFailures++;
-
-        if (client) {
-            client->disconnect();
-        }
-
-        if (consecutiveBmsFailures >= 3) {
-            bmsRetryIntervalMs = BMS_RETRY_INTERVAL_LONG_FAIL_MS;
-        } else {
-            bmsRetryIntervalMs = BMS_RETRY_INTERVAL_FAILED_MS;
-        }
-
-        lastBmsAttemptMs = now;
         return;
     }
 
-    consecutiveBmsFailures = 0;
+    if (millis() - lastReadAttempt < READ_INTERVAL_MS) {
-    bmsRetryIntervalMs = BMS_RETRY_INTERVAL_CONNECTED_MS;
+        return;
-    bmsData.connected = true;
+    }
+
+    lastReadAttempt = millis();
+
+    if (!connectBms()) {
+        return;
+    }
+
+    if (requestPacket(JBD_STATUS_REQUEST, sizeof(JBD_STATUS_REQUEST))) {
+        parseBasicInfo();
+    }
+
+    delay(100);
+
+    if (requestPacket(JBD_CELL_REQUEST, sizeof(JBD_CELL_REQUEST))) {
+        parseCellVoltages();
+    }
 }
-