Add timestamps and fix BLE scan timing

firmware/esp32/xterra-controller/bms.cpp

@@ -85,16 +85,19 @@ const BleScanResult* getBleScanResult(int index) {
 }
 
 int scanBleDevices(uint32_t scanSeconds) {
-    Serial.println("BLE: Starting scan...");
+    Serial.print(logTimestamp());
+    Serial.println(" BLE: Starting scan...");
     pauseBmsReconnect((scanSeconds * 1000UL) + 30000UL);
 
     if (client && client->isConnected()) {
-        Serial.println("BLE: Disconnecting BMS before scan");
+        Serial.print(logTimestamp());
+        Serial.println(" BLE: Disconnecting BMS before scan");
         client->disconnect();
         bmsData.connected = false;
 
-        Serial.println("BLE: Waiting for device advertising...");
-        delay(2000);
+        Serial.print(logTimestamp());
+        Serial.println(" BLE: Waiting 5 seconds for device advertising...");
+        delay(5000);
     }
 
     bleScanResultCount = 0;
@@ -103,16 +106,43 @@ int scanBleDevices(uint32_t scanSeconds) {
     scan->setActiveScan(true);
     scan->setInterval(100);
     scan->setWindow(99);
+    scan->clearResults();
 
-    Serial.print("BLE: Scanning for ");
+    Serial.print(logTimestamp());
+    Serial.print(" BLE: Starting continuous scan for ");
     Serial.print(scanSeconds);
     Serial.println(" seconds...");
 
-    NimBLEScanResults results = scan->getResults(scanSeconds, false);
+    scan->start(scanSeconds, false, false);
 
+    unsigned long startMs = millis();
+    unsigned long durationMs = scanSeconds * 1000UL;
+    unsigned long lastProgressMs = 0;
+
+    while (millis() - startMs < durationMs) {
+        unsigned long elapsed = millis() - startMs;
+
+        if (elapsed - lastProgressMs >= 1000) {
+            lastProgressMs = elapsed;
+
+            Serial.print(logTimestamp());
+            Serial.print(" BLE: scanning... ");
+            Serial.print(elapsed / 1000);
+            Serial.print("/");
+            Serial.print(scanSeconds);
+            Serial.println(" sec");
+        }
+
+        delay(50);
+    }
+
+    scan->stop();
+
+    NimBLEScanResults results = scan->getResults();
     int resultCount = results.getCount();
 
-    Serial.print("BLE: Raw devices seen: ");
+    Serial.print(logTimestamp());
+    Serial.print(" BLE: Raw devices seen: ");
     Serial.println(resultCount);
 
     for (int i = 0; i < resultCount && bleScanResultCount < MAX_BLE_SCAN_RESULTS; i++) {
@@ -146,7 +176,8 @@ int scanBleDevices(uint32_t scanSeconds) {
 
     scan->clearResults();
 
-    Serial.print("BLE: Devices found: ");
+    Serial.print(logTimestamp());
+    Serial.print(" BLE: Devices found: ");
     Serial.println(bleScanResultCount);
 
     if (bleScanResultCount == 0) {

firmware/esp32/xterra-controller/logger.cpp

@@ -2,18 +2,40 @@
 
 LogLevel currentLogLevel = LOG_INFO;
 
+String logTimestamp() {
+    unsigned long seconds = millis() / 1000;
+    unsigned long minutes = seconds / 60;
+    unsigned long hours = minutes / 60;
+
+    char buffer[16];
+    snprintf(
+        buffer,
+        sizeof(buffer),
+        "[%02lu:%02lu:%02lu]",
+        hours % 100,
+        minutes % 60,
+        seconds % 60
+    );
+
+    return String(buffer);
+}
+
 void setLogLevel(LogLevel level) {
     currentLogLevel = level;
 }
 
 void logInfo(const String& message) {
     if (currentLogLevel >= LOG_INFO) {
+        Serial.print(logTimestamp());
+        Serial.print(" ");
         Serial.println(message);
     }
 }
 
 void logDebug(const String& message) {
     if (currentLogLevel >= LOG_DEBUG) {
+        Serial.print(logTimestamp());
+        Serial.print(" ");
         Serial.println(message);
     }
 }

firmware/esp32/xterra-controller/logger.h

@@ -10,6 +10,7 @@ enum LogLevel {
 
 extern LogLevel currentLogLevel;
 
+String logTimestamp();
 void setLogLevel(LogLevel level);
 void logInfo(const String& message);
 void logDebug(const String& message);