자동로깅 추가, usb port추가

sdcard_task.cpp

@@ -4,11 +4,15 @@
 
 static SPIClass vspi(VSPI);
 volatile bool sdLoggingActive = false;
+volatile bool sdAutoStart = false;
 char currentLogFileName[64] = "";
 static File logFile;
 static bool sdReady = false;
 static SemaphoreHandle_t sdMutex = NULL;
 
+// --- Persistent autostart flag ---
+#define AUTOSTART_FLAG "/logs/.autostart"
+
 // --- File rotation tracking ---
 static int logStartDay = -1;      // Day-of-year when current log started
 static size_t logFileSize = 0;    // Running byte count of current file
@@ -70,8 +74,19 @@ void sdTaskInit() {
         SD.mkdir(LOG_DIR);
         Serial.println("[SD] Created /logs directory");
       }
-      sdLoggingActive = false;
-      Serial.println("[SD] Ready (logging OFF - start via web UI)");
+
+      // Check persistent autostart flag
+      sdAutoStart = SD.exists(AUTOSTART_FLAG);
+
+      if (sdAutoStart) {
+        // Auto-start logging immediately (field deployment mode)
+        Serial.println("[SD] *** AUTOSTART MODE - starting logging immediately ***");
+        // sdCreateNewLogFile takes mutex, so don't hold it here
+        sdLoggingActive = false;  // Will be set true after file creation
+      } else {
+        sdLoggingActive = false;
+        Serial.println("[SD] Ready (logging OFF - start via web UI)");
+      }
       Serial.printf("[SD] Auto-rotate: midnight=%s, maxSize=%luMB\n",
         LOG_ROTATE_MIDNIGHT ? "ON" : "OFF",
         (unsigned long)(LOG_MAX_FILE_SIZE / (1024 * 1024)));
@@ -80,6 +95,13 @@ void sdTaskInit() {
 
   xTaskCreatePinnedToCore(sdLoggingTask, "SDLog", TASK_STACK_SD_LOG,
     NULL, TASK_PRIORITY_SD_LOG, NULL, 0);
+
+  // Deferred autostart (after task is running)
+  if (sdReady && sdAutoStart) {
+    sdCreateNewLogFile();
+    sdLoggingActive = true;
+    Serial.printf("[SD] Autostart logging: %s\n", currentLogFileName);
+  }
 }
 
 // ============================================================
@@ -403,3 +425,36 @@ bool sdDeleteFile(const char *filename) {
 }
 
 bool sdCardPresent() { return sdReady; }
+
+// ============================================================
+// Autostart - persistent flag on SD card
+// ============================================================
+bool sdGetAutoStart() {
+  if (!sdReady) return false;
+  return SD.exists(AUTOSTART_FLAG);
+}
+
+void sdSetAutoStart(bool enable) {
+  if (!sdReady) return;
+  xSemaphoreTake(sdMutex, portMAX_DELAY);
+
+  if (enable) {
+    // Create flag file
+    File f = SD.open(AUTOSTART_FLAG, FILE_WRITE);
+    if (f) {
+      f.println("autostart=1");
+      f.close();
+    }
+    sdAutoStart = true;
+    Serial.println("[SD] Autostart ENABLED (will log on next boot)");
+  } else {
+    // Remove flag file
+    if (SD.exists(AUTOSTART_FLAG)) {
+      SD.remove(AUTOSTART_FLAG);
+    }
+    sdAutoStart = false;
+    Serial.println("[SD] Autostart DISABLED");
+  }
+
+  xSemaphoreGive(sdMutex);
+}