firmware: v17 — waitForReady restaurado, sin watchdog

Esp32Cam/Esp32Cam.ino

@@ -10,7 +10,7 @@
 // ================================================================
 //  OTA CONFIG
 // ================================================================
-#define FW_VERSION   16
+#define FW_VERSION   17
 #define GITEA_HOST   "https://git.nacho.myds.me"
 #define GITEA_OWNER  "Natxo"
 #define GITEA_REPO   "Arduino-Car"
@@ -24,6 +24,29 @@ const char *password = "Suprak1llm1ndS23S";
 void startCameraServer();
 void setupLedFlash();
 
+static void handshakeTask(void *) {
+  unsigned long deadline = millis() + 30000UL;
+  String buf = "";
+  while (millis() < deadline) {
+    Serial.print("GO\n");
+    unsigned long t = millis();
+    while (millis() - t < 300) {
+      while (Serial.available()) {
+        char c = Serial.read();
+        if (c == '\n') {
+          buf.trim();
+          if (buf == "OK") { vTaskDelete(NULL); return; }
+          buf = "";
+        } else if (c != '\r' && buf.length() < 8) {
+          buf += c;
+        }
+      }
+      vTaskDelay(pdMS_TO_TICKS(5));
+    }
+  }
+  vTaskDelete(NULL);
+}
+
 
 // ── OTA: comprueba si hay firmware nuevo y actualiza si hace falta ──
 static void checkOTA() {
@@ -147,6 +170,8 @@ void setup() {
 
   // ── Servidor cámara ───────────────────────────────────────────────
   startCameraServer();
+
+  xTaskCreate(handshakeTask, "handshake", 4096, NULL, 1, NULL);
 }
 
 void loop() {