PHP做网站案例教程,网站建设平台源码,沈阳网站制作公司哪家好,seo编辑培训esp32cam /* 下载程序 按住接口板上的IO0 在程序上传的时候 按一下 开发板上的rst按钮 待程序开始上传 在松开 IO0 brownout detector was triggered报错 触发了断电探测器#xff0c;估计是供电环境本来就不稳定 屏蔽 #include soc/soc.h #include so…esp32cam /* 下载程序 按住接口板上的IO0 在程序上传的时候 按一下 开发板上的rst按钮 待程序开始上传 在松开 IO0 brownout detector was triggered报错 触发了断电探测器估计是供电环境本来就不稳定 屏蔽 #include soc/soc.h #include soc/rtc_cntl_reg.hvoid setup() {WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable detector//Your code }*/#include soc/soc.h #include soc/rtc_cntl_reg.h #include WiFi.h //wifi功能需要的库 #include Arduino.h #include esp_camera.h #include vector #include WiFiUdp.h //引用以使用UDP WiFiUDP Udp; //声明UDP对象 const char* wifi_SSID esp32; //存储AP的名称信息 生成一个wifi 网络 方便客户端连接 const char* wifi_Password 12345678; //存储AP的密码信息 uint16_t udp_port 1122; //存储需要监听的端口号 eps32cam接收数据 和 往其他客户端 发送数据的端口 #define maxcache 1430 //图片数据分帧发送 bool is_tran_camera false; //是否传输视频数据 IPAddress ip_address; //客户端的ip#define PWDN_GPIO_NUM 32 #define RESET_GPIO_NUM -1 #define XCLK_GPIO_NUM 0 #define SIOD_GPIO_NUM 26 #define SIOC_GPIO_NUM 27#define Y9_GPIO_NUM 35 #define Y8_GPIO_NUM 34 #define Y7_GPIO_NUM 39 #define Y6_GPIO_NUM 36 #define Y5_GPIO_NUM 21 #define Y4_GPIO_NUM 19 #define Y3_GPIO_NUM 18 #define Y2_GPIO_NUM 5 #define VSYNC_GPIO_NUM 25 #define HREF_GPIO_NUM 23 #define PCLK_GPIO_NUM 22 static camera_config_t camera_config {.pin_pwdn PWDN_GPIO_NUM,.pin_reset RESET_GPIO_NUM,.pin_xclk XCLK_GPIO_NUM,.pin_sscb_sda SIOD_GPIO_NUM,.pin_sscb_scl SIOC_GPIO_NUM,.pin_d7 Y9_GPIO_NUM,.pin_d6 Y8_GPIO_NUM,.pin_d5 Y7_GPIO_NUM,.pin_d4 Y6_GPIO_NUM,.pin_d3 Y5_GPIO_NUM,.pin_d2 Y4_GPIO_NUM,.pin_d1 Y3_GPIO_NUM,.pin_d0 Y2_GPIO_NUM,.pin_vsync VSYNC_GPIO_NUM,.pin_href HREF_GPIO_NUM,.pin_pclk PCLK_GPIO_NUM,.xclk_freq_hz 20000000,.ledc_timer LEDC_TIMER_0,.ledc_channel LEDC_CHANNEL_0,.pixel_format PIXFORMAT_JPEG,.frame_size FRAMESIZE_VGA,.jpeg_quality 12,.fb_count 1, }; //摄像头初始化 esp_err_t camera_init() {//initialize the cameraesp_err_t err esp_camera_init(camera_config);if (err ! ESP_OK) {Serial.println(Camera Init Failed!);return err;}sensor_t* s esp_camera_sensor_get();//initial sensors are flipped vertically and colors are a bit saturatedif (s-id.PID OV2640_PID) {// s-set_vflip(s, 1);//flip it back// s-set_brightness(s, 1);//up the blightness just a bit// s-set_contrast(s, 1);}return ESP_OK; } //接收数据的处理函数 void recv_data() {int packetSize Udp.parsePacket(); //获取当前队首数据包长度if (packetSize) //如果有数据可用{char buf[packetSize];Udp.read(buf, packetSize); //读取当前包数据ip_address Udp.remoteIP();String tmp String(buf);//打开视频数据传输if(tmp.substring(0,5) camon){is_tran_camera true;Udp.beginPacket(ip_address, udp_port);Udp.print(Camera is ON!);Udp.endPacket();}else if(tmp.substring(0,6) camoff){ // 关闭视频数据传输is_tran_camera false;Udp.beginPacket(ip_address, udp_port);Udp.print(Camera is OFF!);Udp.endPacket();}else{Udp.beginPacket(ip_address, udp_port);Udp.print(RecvData: tmp);Udp.endPacket();}} } // 传输视频数据 void cssp() {camera_fb_t* fb esp_camera_fb_get();uint8_t* temp fb-buf; //这个是为了保存一个地址在摄像头数据发送完毕后需要返回否则会出现板子发送一段时间后自动重启不断重复if (!fb) {// Serial.print(Camera Capture Failed!);Udp.beginPacket(ip_address, udp_port);Udp.print(Camera Capture Failed!);Udp.endPacket();} else {Udp.beginPacket(ip_address, udp_port);Udp.print(FrameBegin); //视频数据的标志头Udp.endPacket();// 将图片数据分段发送int leng fb-len;int timess leng / maxcache;int extra leng % maxcache;for (int j 0; j timess; j) {Udp.beginPacket(ip_address, udp_port);Udp.write(fb-buf, maxcache);Udp.endPacket();for (int i 0; i maxcache; i) {fb-buf;}}// 发送剩余数据Udp.beginPacket(ip_address, udp_port);Udp.write(fb-buf, extra);Udp.endPacket();Udp.beginPacket(ip_address, udp_port);Udp.print(FrameOverr); //视频数据的标志尾Udp.endPacket();// Serial.print(This Frame Length:);// Serial.print(fb-len);// Serial.println(. \t Succes To Send Image For UDP!);//return the frame buffer back to the driver for reusefb-buf temp; //将当时保存的指针重新返还esp_camera_fb_return(fb); //这一步在发送完毕后要执行具体作用还未可知。}delay(20); //不加延时会导致数据发送混乱 稍微延时增加数据传输可靠性 } // udp服务初始化 void udp_init() {WiFi.softAP(wifi_SSID, wifi_Password); //打开ESP32热点Udp.begin(udp_port); //启动UDP监听这个端口 } void setup() {delay(5000);Serial.begin(115200); //开启串口波特率为115200//在创建udp服务以后 使用串口输出数据会报错 开发板一直重启 WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable detector 屏蔽 brownout detector was triggered报错 防止一直重启 udp_init();camera_init();Serial.print(WiFi.softAPIP()); //串口输出模块IP地址Serial.print(:); //串口输出模块IP地址Serial.println(udp_port); Serial.println(Sys Is Running!); }void loop() {recv_data();if (is_tran_camera) {cssp();} } Android ?xml version1.0 encodingutf-8? LinearLayout xmlns:androidhttp://schemas.android.com/apk/res/androidxmlns:toolshttp://schemas.android.com/toolsandroid:layout_widthmatch_parentandroid:layout_heightmatch_parentandroid:orientationverticaltools:context.MainActivityTextViewandroid:idid/local_ip_kjandroid:layout_widthmatch_parentandroid:layout_height60dpandroid:text /TextViewandroid:idid/local_port_kjandroid:layout_widthmatch_parentandroid:layout_height60dpandroid:text /Buttonandroid:idid/startudp_btn_kjandroid:layout_widthmatch_parentandroid:layout_height60dpandroid:text开启UDP服务 /ImageViewandroid:idid/show_cam_kjandroid:layout_widthmatch_parentandroid:layout_height220dpandroid:background#333android:scaleTypecenterandroid:layout_marginBottom4dp/TextViewandroid:idid/recv_data_kjandroid:layout_widthmatch_parentandroid:layout_height100dpandroid:text /TextViewandroid:idid/remote_ip_kjandroid:layout_widthmatch_parentandroid:layout_height60dpandroid:text192.168.4.1 /TextViewandroid:idid/remote_port_kjandroid:layout_widthmatch_parentandroid:layout_height60dpandroid:text1122 /EditTextandroid:idid/msg_kjandroid:layout_widthmatch_parentandroid:layout_height60dpandroid:text /Buttonandroid:idid/send_btn_kjandroid:layout_widthmatch_parentandroid:layout_height60dpandroid:text发送 //LinearLayoutpackage com.example.esp32cam_udp;import androidx.appcompat.app.AppCompatActivity;import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast;import java.io.IOException; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; import java.net.SocketException; import java.net.UnknownHostException;public class MainActivity extends AppCompatActivity {private TextView local_ip_kj,local_port_kj,remote_ip_kj,remote_port_kj,recv_data_kj;private Button startudp_btn_kj,send_btn_kj;private ImageView show_cam_kj;private EditText msg_kj;String local_ip ;int port 1122;private DatagramSocket socket; //接收数据用的socketint data_len 1430;//与esp32cam约定的数据传输的长度int headFlag 0;// 0 数据流不是图像数据 1 数据流是图像数据byte[] RevBuff new byte[data_len];//定义接收数据流的包的大小byte[] temp new byte[0]; //存放一帧图像的数据Bitmap bitmap null; //展示图片MyHandler myHandler; //处理信息String recv_data ; //保存接收到的非图像数据Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);myHandler new MyHandler();show_cam_kj findViewById(R.id.show_cam_kj);local_ip_kj findViewById(R.id.local_ip_kj);local_port_kj findViewById(R.id.local_port_kj);remote_ip_kj findViewById(R.id.remote_ip_kj);remote_port_kj findViewById(R.id.remote_port_kj);msg_kj findViewById(R.id.msg_kj);startudp_btn_kj findViewById(R.id.startudp_btn_kj);send_btn_kj findViewById(R.id.send_btn_kj);recv_data_kj findViewById(R.id.recv_data_kj);//获取本机ip地址local_ip IPUtils.getIpAddress(this);Message msg myHandler.obtainMessage();msg.what 0;msg.obj local_ip;myHandler.sendMessage(msg);//Log.e(IP,local_ip); // 开启udp服务startudp_btn_kj.setOnClickListener(new View.OnClickListener() {Overridepublic void onClick(View view) {//生成接受数据使用的sockettry {InetAddress serverAdder InetAddress.getByName(local_ip); //本手机的ip地址socket new DatagramSocket(port,serverAdder);Message msg myHandler.obtainMessage();msg.what 1;msg.obj UDP服务开启成功;myHandler.sendMessage(msg); // 开启接收数据的线程new Thread(new RecvData()).start();} catch (SocketException | UnknownHostException e) {e.printStackTrace();}}}); // 发送消息send_btn_kj.setOnClickListener(new View.OnClickListener() {Overridepublic void onClick(View view) {new Thread(new SendData()).start();}});}public class SendData implements Runnable{Overridepublic void run() {String server_ip remote_ip_kj.getText().toString();int server_port Integer.parseInt(remote_port_kj.getText().toString());InetAddress server_serverAdder null;try {server_serverAdder InetAddress.getByName(server_ip);} catch (UnknownHostException e) {throw new RuntimeException(e);}DatagramSocket send_socket null;try {send_socket new DatagramSocket();} catch (SocketException e) {throw new RuntimeException(e);}String tmp msg_kj.getText().toString();byte[] buf tmp.getBytes();DatagramPacket send_packet new DatagramPacket(buf, buf.length, server_serverAdder, server_port);try {send_socket.send(send_packet);} catch (IOException e) {throw new RuntimeException(e);}send_socket.close();}}// 接收数据的线程public class RecvData implements Runnable {public void run() {// 接收UDP广播有的手机不支持while (true) {byte[] recbuf new byte[data_len];DatagramPacket recpacket new DatagramPacket(recbuf,recbuf.length);try {socket.receive(recpacket);RevBuff recpacket.getData(); // 图像数据包的头 FrameBeginboolean begin_cam_flag RevBuff[0] 70 RevBuff[1] 114 RevBuff[2] 97 RevBuff[3] 109 RevBuff[4] 101 RevBuff[5] 66 RevBuff[6] 101 RevBuff[7] 103 RevBuff[8] 105 RevBuff[9] 110; // 图像数据包的尾 FrameOverrboolean end_cam_flag RevBuff[0] 70 RevBuff[1] 114 RevBuff[2] 97 RevBuff[3] 109 RevBuff[4] 101 RevBuff[5] 79 RevBuff[6] 118 RevBuff[7] 101 RevBuff[8] 114 RevBuff[9] 114;if (headFlag 0 begin_cam_flag) {headFlag 1;} else if (end_cam_flag) { //判断包是不是图像的结束包 是的话 将数据传给 myHandler 3 同时将headFlag置0Message msg myHandler.obtainMessage();msg.what 3;myHandler.sendMessage(msg);headFlag 0;} else if (headFlag 1) { //如果 headFlag 1 说明包是图像数据 将数据发给byteMerger方法 合并一帧图像temp byteMerger(temp, RevBuff);}else{//接收到的非图像数据Message msg myHandler.obtainMessage();msg.what 2;msg.obj new String(RevBuff); //字符串长度myHandler.sendMessage(msg); // Log.v(Message:,new String(RevBuff));}} catch (IOException e) {e.printStackTrace();}}}}//处理一些不能在线程里面执行的信息class MyHandler extends Handler {public void handleMessage(Message msg){super.handleMessage(msg);switch (msg.what){case 0: // 获取ip c成功local_ip_kj.setText(local_ip);local_port_kj.setText(String.valueOf(port));break;case 1: // UDP服务开启成功Toast.makeText((Context) MainActivity.this, msg.obj.toString(),Toast.LENGTH_SHORT).show();break;case 2: // 处理接收到的非图像数据 // Toast.makeText((Context) MainActivity.this, msg.obj.toString(),Toast.LENGTH_SHORT).show();String tmp recv_data msg.obj.toString() \n;recv_data tmp;recv_data_kj.setText(tmp);break;case 3:try {//处理接受到的图像数据 并展示bitmap BitmapFactory.decodeByteArray(temp, 0,temp.length);show_cam_kj.setImageBitmap(bitmap);//这句就能显示图片(bitmap数据没问题的情况下) 存在图像闪烁情况 待解决temp new byte[0]; //一帧图像显示结束 将 temp清零}catch (Exception e){Log.i(Error,Error image data!);}break;default: break;}}}// 合并一帧图像数据 a 全局变量 temp b 接受的一个数据包 RevBuffpublic byte[] byteMerger(byte[] a,byte[] b){int i a.length b.length;byte[] t new byte[i]; //定义一个长度为 全局变量temp 和 数据包RevBuff 一起大小的字节数组 tSystem.arraycopy(a,0,t,0,a.length); //先将 temp先传过来的数据包放进 tSystem.arraycopy(b,0,t,a.length,b.length);//然后将后进来的这各数据包放进treturn t; //返回t给全局变量 temp}Overrideprotected void onDestroy() {super.onDestroy();socket.close();} }package com.example.esp32cam_udp;import android.content.Context; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager;import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.util.Enumeration;/*** * 版权Copyright LiYing 2015-2016. All rights reserved.* 作者liying - liruoer2008yeah.net* 日期2016/12/19 19:43* 版本1.0* 描述IP地址工具类* 备注返回本机IP地址 文件名称 IPUtils.java 与MainActivity并列位置* */ public class IPUtils {/*** 获取本机IPv4地址** param context* return 本机IPv4地址null无网络连接*/public static String getIpAddress(Context context) {// 获取WiFi服务WifiManager wifiManager (WifiManager) context.getSystemService(Context.WIFI_SERVICE);// 判断WiFi是否开启if (wifiManager.isWifiEnabled()) {// 已经开启了WiFiWifiInfo wifiInfo wifiManager.getConnectionInfo();int ipAddress wifiInfo.getIpAddress();String ip intToIp(ipAddress);return ip;} else {// 未开启WiFireturn getIpAddress();}}private static String intToIp(int ipAddress) {return (ipAddress 0xFF) . ((ipAddress 8) 0xFF) . ((ipAddress 16) 0xFF) . (ipAddress 24 0xFF);}/*** 获取本机IPv4地址** return 本机IPv4地址null无网络连接*/private static String getIpAddress() {try {NetworkInterface networkInterface;InetAddress inetAddress;for (EnumerationNetworkInterface en NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {networkInterface en.nextElement();for (EnumerationInetAddress enumIpAddr networkInterface.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {inetAddress enumIpAddr.nextElement();if (!inetAddress.isLoopbackAddress() !inetAddress.isLinkLocalAddress()) {return inetAddress.getHostAddress();}}}return null;} catch (SocketException ex) {ex.printStackTrace();return null;}} } uses-permission android:nameandroid.permission.INTERNET/uses-permission android:nameandroid.permission.ACCESS_WIFI_STATE/ /manifest