Update Sketches.

C/Sketches/Sketch_03.1_BLE_USART/Sketch_03.1_BLE_USART.ino

@@ -2,13 +2,12 @@
   Filename    : BLE_USART
   Description : Esp32 communicates with the phone by BLE and sends incoming data via a serial port
   Auther      : www.freenove.com
-  Modification: 2022/10/26
+  Modification: 2024/07/01
 **********************************************************************/
 #include "BLEDevice.h"
 #include "BLEServer.h"
 #include "BLEUtils.h"
 #include "BLE2902.h"
-#include "String.h"
 
 BLECharacteristic *pCharacteristic;
 bool deviceConnected = false;
@@ -31,7 +30,7 @@ class MyServerCallbacks: public BLEServerCallbacks {
 
 class MyCallbacks: public BLECharacteristicCallbacks {
     void onWrite(BLECharacteristic *pCharacteristic) {
-      std::string rxValue = pCharacteristic->getValue();
+      String rxValue = pCharacteristic->getValue();
       if (rxValue.length() > 0) {
         rxload="";
         for (int i = 0; i < rxValue.length(); i++){

C/Sketches/Sketch_06.2_WiFiServer/Sketch_06.2_WiFiServer.ino

@@ -3,7 +3,7 @@
   Description : Use ESP32's WiFi server feature to wait for other WiFi devices to connect.
                 And communicate with them once a connection has been established.
   Auther      : www.freenove.com
-  Modification: 2022/10/31
+  Modification: 2024/07/01
 **********************************************************************/
 #include <WiFi.h>
 
@@ -30,12 +30,11 @@ void setup()
     Serial.println(WiFi.localIP());			
     Serial.printf("IP port: %d\n",port);			
     server.begin(port);								
-    WiFi.setAutoConnect(true);
     WiFi.setAutoReconnect(true);
 }
 
 void loop(){
- WiFiClient client = server.available();            // listen for incoming clients
+ WiFiClient client = server.accept();               // listen for incoming clients
   if (client) {                                     // if you get a client,
     Serial.println("Client connected.");
     while (client.connected()) {                    // loop while the client's connected

C/Sketches/Sketch_07.1_CameraWebServer/Sketch_07.1_CameraWebServer.ino

@@ -2,7 +2,7 @@
   Filename    : Camera Web Server
   Description : The camera images captured by the ESP32S3 are displayed on the web page.
   Auther      : www.freenove.com
-  Modification: 2022/10/31
+  Modification: 2024/07/01
 **********************************************************************/
 #include "esp_camera.h"
 #include <WiFi.h>
@@ -55,8 +55,8 @@ void setup() {
   config.pin_pclk = PCLK_GPIO_NUM;
   config.pin_vsync = VSYNC_GPIO_NUM;
   config.pin_href = HREF_GPIO_NUM;
-  config.pin_sscb_sda = SIOD_GPIO_NUM;
-  config.pin_sscb_scl = SIOC_GPIO_NUM;
+  config.pin_sccb_sda = SIOD_GPIO_NUM;
+  config.pin_sccb_scl = SIOC_GPIO_NUM;
   config.pin_pwdn = PWDN_GPIO_NUM;
   config.pin_reset = RESET_GPIO_NUM;
   config.xclk_freq_hz = 20000000;
@@ -99,6 +99,10 @@ void setup() {
     delay(500);
     Serial.print(".");
   }
+  while (WiFi.STA.hasIP() != true) {
+    Serial.print(".");
+    delay(500);
+  }
   Serial.println("");
   Serial.println("WiFi connected");
 

C/Sketches/Sketch_07.2_As_VideoWebServer/Sketch_07.2_As_VideoWebServer.ino

@@ -66,8 +66,8 @@ void cameraInit(void){
   config.pin_pclk = PCLK_GPIO_NUM;
   config.pin_vsync = VSYNC_GPIO_NUM;
   config.pin_href = HREF_GPIO_NUM;
-  config.pin_sscb_sda = SIOD_GPIO_NUM;
-  config.pin_sscb_scl = SIOC_GPIO_NUM;
+  config.pin_sccb_sda = SIOD_GPIO_NUM;
+  config.pin_sccb_scl = SIOC_GPIO_NUM;
   config.pin_pwdn = PWDN_GPIO_NUM;
   config.pin_reset = RESET_GPIO_NUM;
   config.xclk_freq_hz = 20000000;

C/Sketches/Sketch_07.3_Camera_SDcard/Sketch_07.3_Camera_SDcard.ino

@@ -72,8 +72,8 @@ int cameraSetup(void) {
   config.pin_pclk = PCLK_GPIO_NUM;
   config.pin_vsync = VSYNC_GPIO_NUM;
   config.pin_href = HREF_GPIO_NUM;
-  config.pin_sscb_sda = SIOD_GPIO_NUM;
-  config.pin_sscb_scl = SIOC_GPIO_NUM;
+  config.pin_sccb_sda = SIOD_GPIO_NUM;
+  config.pin_sccb_scl = SIOC_GPIO_NUM;
   config.pin_pwdn = PWDN_GPIO_NUM;
   config.pin_reset = RESET_GPIO_NUM;
   config.xclk_freq_hz = 20000000;

C/Sketches/Sketch_08.1_CameraTcpServer/Sketch_08.1_CameraTcpServer.ino

@@ -2,7 +2,7 @@
   Filename    : Camera Tcp Serrver
   Description : Users use Freenove's APP to view images from ESP32S3's camera
   Auther      : www.freenove.com
-  Modification: 2022/11/02
+  Modification: 2024/07/01
 **********************************************************************/
 #include "esp_camera.h"
 #include <WiFi.h>
@@ -39,10 +39,13 @@ void setup() {
   WiFi.begin(ssid_Router, password_Router);
   Serial.print("Connecting ");
   Serial.print(ssid_Router);
-  while (WiFi.isConnected() != true) {
+  while (WiFi.status() != WL_CONNECTED) {
     delay(500);
     Serial.print(".");
-    //WiFi.begin(ssid_Router, password_Router);
+  }
+  while (WiFi.STA.hasIP() != true) {
+    Serial.print(".");
+    delay(500);
   }
   Serial.println("");
   Serial.println("WiFi connected");
@@ -59,7 +62,7 @@ void setup() {
 }
 //task loop uses core 1.
 void loop() {
-  WiFiClient client = server_Camera.available();           // listen for incoming clients
+  WiFiClient client = server_Camera.accept();           // listen for incoming clients
   if (client) {                                            // if you get a client,
     Serial.println("Camera Server connected to a client.");// print a message out the serial port
     String currentLine = "";                               // make a String to hold incoming data from the client
@@ -91,7 +94,7 @@ void loop() {
 void loopTask_Cmd(void *pvParameters) {
   Serial.println("Task Cmd_Server is starting ... ");
   while (1) {
-    WiFiClient client = server_Cmd.available(); // listen for incoming clients
+    WiFiClient client = server_Cmd.accept(); // listen for incoming clients
     if (client) {                               // if you get a client,
       Serial.println("Command Server connected to a client.");// print a message out the serial port
       String currentLine = "";                 // make a String to hold incoming data from the client
@@ -138,8 +141,8 @@ void cameraSetup() {
   config.pin_pclk = PCLK_GPIO_NUM;
   config.pin_vsync = VSYNC_GPIO_NUM;
   config.pin_href = HREF_GPIO_NUM;
-  config.pin_sscb_sda = SIOD_GPIO_NUM;
-  config.pin_sscb_scl = SIOC_GPIO_NUM;
+  config.pin_sccb_sda = SIOD_GPIO_NUM;
+  config.pin_sccb_scl = SIOC_GPIO_NUM;
   config.pin_pwdn = PWDN_GPIO_NUM;
   config.pin_reset = RESET_GPIO_NUM;
   config.xclk_freq_hz = 20000000;