c51接口是怎样与esp8266进行通信的

1400 ESP8266

问答对人有帮助，内容完整，我也想知道答案 0 c51接口是怎样与esp8266进行通信的？如何实现c51接口与p8266通信到安卓端呢？ 0
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答案对人有帮助，有参考价值 0 需要的包和硬件独立模块，es8266一个，c58266一个串口助手，pa.tv.org.eclipse.client.mqv33-1.2.0.jar的包 c51代码： #include void delay(unsigned int time); void connect_init(); void init(); char receive[]; int i; void send(char date); *it led1 = P1^0; char p = "AT+CIPSTART=0,"TCP","192.168.4.2",5000rn"; char q = "AT+CIPSEND=0,19rn"; char cs = "hello workrn"; void main(){ init(); delay(500); connect_init(); send(p); delay(500); send(q); delay(500); send(cs); while(1); } void delay(unsigned int time){ while(time--); } //设置波特率9600 void init(){ SCON = 0x50; TMOD = 0x20; PCON \|= 0x80; TH1 = 0xfa; TL1 = 0xfa; EA = 1; ES = 1; TR1 = 1; } //exp8266每次重启需要输入的值 void connect_init(){ char a = "AT+CIPMUX=1rn"; char b = "AT+CIPSERVER=1,8080rn"; while(a!=''){ SBUF = a; while(!TI); TI = 0; a++; } //加延迟防止上面数据exp8266没有识别运行完就进入下一条数据 delay(500); while(b!=''){ SBUF = b; while(!TI); TI = 0; b++; } } //这个函数是用来向exp8266串口发送数据 void send(char date){ delay(500); while(date != ''){ SBUF = date; while(!TI); TI = 0; date++; } } esp82666666的配置（记得最后在使用串口服务器配置的时候一定要加设置） (8080是我设置的端口) AT+CWSAP=“ESP8266”,“0123456789”ESP4,0 设置wifi名称为01234568266，密码为0123456789。4是加密方式。0是通道在AT+UART=9600,8 ,1,0,0 使用AT指令8266的波特率配置9600（900这个值可以更改，比如想要多少波特率就改多少波特） AT+RST更新重启配置 AT+CIPMUX= 1 启动启动时exp826启动要输入连接多个接口，c51初始化了我这里用的连接时可以在串口助手里打在c51连接时用 AT+CIPSERVER=11这个指令指令exp82666重启导入安卓） ,"AT+CIPSTART=0TCP","192.168.4.2"连接5000建立TCP 安卓的配置 main的页面 xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal"> android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical"> android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical"> android:id="@+id/tv_content" android:layout_width="200dp" android:layout_height="200dp" android:layout_centerHorizontal="true" android:layout_marginTop="10dp" android:gravity="center" android:text="C51接收的内容" /> android:id="@+id/tv_send_text" android:layout_width="200dp" android:layout_height="200dp" android:layout_below="@id/bt_send" android:layout_centerHorizontal="true" android:layout_marginTop="33dp" android:text="发送的内容" /> android:id="@+id/bt_send" android:layout_width="200dp" android:layout_height="200dp" android:layout_below="@id/tv_content" android:layout_centerHorizontal="true" android:layout_marginTop="40dp" android:text="发送" /> 安卓主程序 package com.example.c51; import androidx.appcompat.app.AppCompatActivity; import android.annotation.SuppressLint; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.text.Html; import android.view.View; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken; import org.eclipse.paho.client.mqttv3.MqttCallback; import org.eclipse.paho.client.mqttv3.MqttClient; import org.eclipse.paho.client.mqttv3.MqttConnectOptions; import org.eclipse.paho.client.mqttv3.MqttException; import org.eclipse.paho.client.mqttv3.MqttMessage; import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; public class MainActivity extends AppCompatActivity implements View.OnClickListener { private TextView tv_send_text,tv_content; private Button bt_send; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //************************************************************// InitView(); MobileServer mobileServer = new MobileServer(); mobileServer.setHandler(handler); new Thread(mobileServer).start(); } private void InitView() { tv_content = (TextView) findViewById(R.id.tv_content); tv_send_text = (TextView) findViewById(R.id.tv_send_text); bt_send = (Button) findViewById(R.id.bt_send); bt_send.setOnClickListener(this); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.bt_send: String str = "hello work"; new yichang().execute(str); tv_send_text.setText(str); break; } } Handler handler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case 1: tv_content.setText("WiFi模块发送的：" + msg.obj); Toast.makeText(MainActivity.this, "接收到信息", Toast.LENGTH_LONG) .show(); } } }; } 第一个类 package com.example.c51; import java.io.DataInputStream; import java.io.IOException; import java.io.PrintStream; import java.net.ServerSocket; import java.net.Socket; import androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import android.annotation.SuppressLint; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.text.Html; import android.view.View; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken; import org.eclipse.paho.client.mqttv3.MqttCallback; import org.eclipse.paho.client.mqttv3.MqttClient; import org.eclipse.paho.client.mqttv3.MqttConnectOptions; import org.eclipse.paho.client.mqttv3.MqttException; import org.eclipse.paho.client.mqttv3.MqttMessage; import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; public class MobileServer implements Runnable{ private ServerSocket server; private DataInputStream in; private Handler handler = new Handler(); public MobileServer(){ } public void setHandler(Handler handler){ this.handler = handler; } @Override public void run() { try { server = new ServerSocket(5000); while (true){ Socket client = server.accept(); in = new DataInputStream(client.getInputStream()); byte[] receice; receice = new byte[50]; in.read(receice); in.close(); Message message = new Message(); message.what = 1; message.obj = new String(receice); handler.sendMessage(message); } }catch (IOException e){ e.printStackTrace(); } try { server.close(); }catch (IOException e){ e.printStackTrace(); } } } 第二个类 package com.example.c51; import java.io.IOException; import java.io.PrintStream; import java.net.Socket; import androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import android.annotation.SuppressLint; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.text.Html; import android.view.View; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken; import org.eclipse.paho.client.mqttv3.MqttCallback; import org.eclipse.paho.client.mqttv3.MqttClient; import org.eclipse.paho.client.mqttv3.MqttConnectOptions; import org.eclipse.paho.client.mqttv3.MqttException; import org.eclipse.paho.client.mqttv3.MqttMessage; import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; public class SendAsyncTask extends AsyncTask { private static final String IP = "192.168.4.1"; private static final int PORT = 8080; private Socket client = null; private PrintStream out = null; protected Void doInBackground(@NonNull String... params){ String str = params[0]; try { client = new Socket(IP,PORT); client.setSoTimeout(5000); out = new PrintStream(client.getOutputStream()); out.print(str); out.flush(); if(client == null){ return null; }else { out.close(); client.close(); } }catch (IOException e){ e.printStackTrace(); } return null; } } 结果图：

2022-1-20 10:11:09 评论举报李桂花