[beken-72xx] Wait for init_thread to start TCP/IP

arduino/beken-72xx/libraries/WiFi/WiFiGeneric.cpp

@@ -16,6 +16,12 @@ bool WiFiClass::modePriv(WiFiMode mode, WiFiModeAction sta, WiFiModeAction ap) {
 		LT_D_WG("Initializing func&app");
 		func_init_extended();
 		app_pre_start();
+		// wait for the init_thread to finish its job
+		while (xTaskGetHandle("init_thread")) {
+			LT_V_WG("Waiting for init_thread");
+			delay(10);
+		}
+		LT_D_WG("Success");
 		__bk_rf_is_init = true;
 	}
 

arduino/beken-72xx/libraries/WiFi/WiFiScan.cpp

@@ -57,17 +57,26 @@ int16_t WiFiClass::scanNetworks(bool async, bool showHidden, bool passive, uint3
 	__wrap_bk_printf_disable();
 	mhdr_scanu_reg_cb(scanHandler, this);
 	bk_wlan_start_scan();
-	__wrap_bk_printf_enable();
 
 	LT_HEAP_I();
 
 	scan->running = true;
 
+	int16_t ret = WIFI_SCAN_RUNNING;
 	if (!async) {
 		LT_I("Waiting for results");
 		xSemaphoreTake(data.scanSem, 1); // reset the semaphore quickly
 		xSemaphoreTake(data.scanSem, pdMS_TO_TICKS(maxMsPerChannel * 20));
-		return scan->count;
+		if (scan->running) {
+			scanDelete();
+			ret = WIFI_SCAN_FAILED;
+			goto exit;
+		}
+		ret = scan->count;
+		goto exit;
 	}
-	return WIFI_SCAN_RUNNING;
+
+exit:
+	__wrap_bk_printf_enable();
+	return ret;
 }

builder/frameworks/beken-72xx-sdk.py

@@ -78,6 +78,8 @@ env.Append(
         # LwIP options
         ("LWIP_SO_RCVBUF", "1"),  # for ioctl(FIONREAD)
         "MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED",
+        # FreeRTOS options
+        ("INCLUDE_xTaskGetHandle", "1"),
     ],
     ASFLAGS=[
         "-mcpu=arm968e-s",