C++ WiFiServer类代码示例

void Con::handleWiFiConnect(){
  this->printf("handleWiFiConnect %d\n",this->curType&CON_TCP);
  if (this->curType&CON_TCP){
     ConSrv.begin();
     ConSrv.setNoDelay(true);   
  }
}

void loop() {

	static boolean packetActive = false;
	static uint8_t index = 0;
	static boolean readingReturn = false;
	static uint8_t rindex = 0;

	if (!client.connected()) {
		// try to connect to a new client
		client = server.available();
	} else {
		// read data from the connected client
		if (client.available() > 0) {
			char c = client.read();

			if (packetActive) {
				commandBuffer[index] = c;
				commandBuffer[++index] = 0;
				if (c == EOP) {
					comHandler();
					packetActive = false;
				}
			}

			else if (c == SOP) {
				index = 0;
				commandBuffer[index] = c;
				commandBuffer[++index] = 0;
				packetActive = true;
			}

			if (returnReady) {
				client.println(returnBuffer);
				server.println(returnBuffer);
				Serial.println(returnBuffer);
				returnReady = false;
			}
		}
	}

	if (Serial.available() && !returnReady) {
		char s = Serial.read();

		if (s == SOP) {
			readingReturn = true;
			rindex = 0;
		}
		if (readingReturn) {
			returnBuffer[rindex] = s;
			returnBuffer[++rindex] = 0;

			if (s == EOP) {
				returnReady = true;
			}
		}
	}
}

void Con::TCPhandler(){
   if (this->curType&CON_TCP){
      if (ConSrv.hasClient()){
         if (ConTcp.connected()){
            ConTcp.stop();
         }
         ConTcp=ConSrv.available();
         ConTcp.write("Hello\n",6);
      }  
   }
}

void cTcpTrace::task(void)
{
  if (tcpTraceServer.hasClient())
  {
    if (!tcpTraceClient || !tcpTraceClient.connected())
    {
      if(tcpTraceClient) tcpTraceClient.stop();
      tcpTraceClient = tcpTraceServer.available();
      println("Welcom to trace.");
    }
  }
}

void WiFiManager::startWebConfig() {
  DEBUG_PRINT("");
  DEBUG_PRINT("WiFi connected");
  DEBUG_PRINT(WiFi.localIP());
  DEBUG_PRINT(WiFi.softAPIP());
  if (!mdns.begin(_apName, WiFi.localIP())) {
    DEBUG_PRINT("Error setting up MDNS responder!");
    while (1) {
      delay(1000);
    }
  }
  DEBUG_PRINT("mDNS responder started");
  // Start the server
  server.begin();
  DEBUG_PRINT("Server started");

  while (serverLoop() == WM_WAIT) {
    //looping
    if(timeout > 0 && start + timeout < millis()) {
      //we passed timeout value, release
      DEBUG_PRINT("timeout reached");
      return;
    }
  }

  DEBUG_PRINT("Setup done");
  delay(5000);
  ESP.reset();

}

void setup() {

	pinMode(enA, OUTPUT);
	pinMode(enB, OUTPUT);
	pinMode(dirA, OUTPUT);
	pinMode(dirB, OUTPUT);

	setupWiFi();
	server.begin();
#ifdef DEBUG
	delay(2000);
#endif
	Serial.begin(115200);

#ifdef DEBUG

	delay(250);
	Serial.println();
	Serial.println("Hello");
	Serial.flush();
	delay(750);
	Serial.print("IP address");
	Serial.println(WiFi.localIP());
	delay(500);
#endif
}

void WiFiManager::startWebConfig() {
    DEBUG_PRINT("");
    display.print("WiFi connected");
    DEBUG_PRINT("WiFi connected");
    DEBUG_PRINT(WiFi.localIP());
    DEBUG_PRINT(WiFi.softAPIP());
    if (!mdns.begin(_apName, WiFi.localIP())) {
        DEBUG_PRINT("Error setting up MDNS responder!");
        display.print("mDNS error");
        while(1) {
            delay(1000);
        }
    }
    DEBUG_PRINT("mDNS responder started");
    // Start the server
    server_s.begin();
    display.print("Server started");
    DEBUG_PRINT("Server started");

    while(serverLoop() == WM_WAIT) {
      //looping
    }

    display.print("All done.  Bye.");
    DEBUG_PRINT("Setup done");
    delay(10000);
    ESP.reset();
}

void setup() {
  Serial.begin(115200);
  // Initialize the output variables as outputs
  pinMode(output5, OUTPUT);
  pinMode(output4, OUTPUT);
  // Set outputs to LOW
  digitalWrite(output5, LOW);
  digitalWrite(output4, LOW);

  // Connect to Wi-Fi network with SSID and password
  Serial.print("Connecting to ");
  Serial.println(ssid);
  //WiFi.begin(ssid, password);
  setupWiFi();
  server.begin();


//  while (WiFi.status() != WL_CONNECTED) {
//    delay(500);
//    Serial.print(".");
//  }

//  WiFiClient client = server.available();
//  if (!client) {
//    return;
//  }

}

void transmitTele()
{
  Serial.println("tele"); 
  
  while(!alreadyConnectedTele)
  {
    //attempt to save a client connecting to the server
    teleClient = teleServer.available();
    
    //if a client is connected, begin communication
    if (teleClient) {
      if (!alreadyConnectedTele) {
        // clead out the input buffer:
        teleClient.flush();
        Serial.println("We have a new client");
        alreadyConnectedTele = true;
        
      }
    }
  }
  
    for(int i = 0; i < 20; i++)
    {
      if (teleClient.available() > 0) {
        // read the bytes incoming from the client:
        char thisChar = teleClient.read();
        // echo the bytes back to the client:
        
        if(thisChar == '1')
          teleServer.println(curSpeedKn * KNOTS_TO_MPS);
          
        if(thisChar == '2')  
          teleServer.println(pollPing());
          
        if(thisChar == '3')
          teleServer.println(distToTar());
          
        if(thisChar == '4')
          teleServer.println(curLat);
        
        if(thisChar == '5')
          teleServer.println(curLon);
        
        if(thisChar == '6')
          teleServer.println(curHead);
        
        
        // echo the bytes to the server as well:
        Serial.println(thisChar);
      }
    }
    
    
    
  
}

void start_server() {
  Serial.print("\nMAC: "); Serial.println(WiFi.macAddress());
  Serial.print("\nSSID: "); Serial.println(ssid);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  server.begin();
  delay(10000);
  Serial.print("\nIP: "); Serial.println(WiFi.localIP());
}

void APServer(){
    WiFiClient client = server.available();  // Check if a client has connected
    if (!client) {
        return;
    }
    Serial.println("");
    Serial.println("New client");

    // Wait for data from client to become available
    while (client.connected() && !client.available()) {
      delay(1);
    }
    
    // Read the first line of HTTP request
    String req = client.readStringUntil('\r');
    Serial.println(req);
    String s;
    String gsid;
    String gpwd;
    //if the form has been submitted
    if(req.indexOf("ssid")!=-1){
      //TODO Make this a POST request
      //I'm basically hoping they're being nice
      int x = req.indexOf("ssid")+5;
      gsid = req.substring(x,req.indexOf("&",x));
      x = req.indexOf("pwd")+4;
      gpwd = req.substring(x,req.indexOf(" ",x));
      s = gsid;
      saveWifiConfig(gsid,gpwd);
      Serial.print("Restarting");
      client.print("Thanks! Restarting to new configuration");
      client.flush();
      ESP.restart();
    }
    else{
    s =  "<h1>Welcome to your ESP</h1><form action='/' method='get'><table><tr><td>SSID</td><td><input type='text' name='ssid'></td></tr><tr><td>Password</td><td><input type='text' name='pwd'></td><tr><td /><td><input type='submit' value='Submit'></td></tr></form>";
    client.print(s);
    }
    client.flush();
    delay(1);
    //Serial.println("Client disonnected");
}

void mainsetup()
{
  // setup globals
  ulReqcount = 0;
  ulReconncount = 0;
  WiFiStart();
  delay(1);

  server.begin();

  // allocate ram for data storage
  uint32_t free = system_get_free_heap_size() - KEEP_MEM_FREE;
  ulNoMeasValues = free / (sizeof(float) * 5 + sizeof(unsigned long)); // humidity & temp --> 2 + time
  pulTime = new unsigned long[ulNoMeasValues];
  pfTemp1 = new float[ulNoMeasValues];
  pfTemp2 = new float[ulNoMeasValues];
  pfTemp3 = new float[ulNoMeasValues];
  pfTemp4 = new float[ulNoMeasValues];

  if (pulTime == NULL || pfTemp1 == NULL || pfTemp2 == NULL || pfTemp3 == NULL || pfTemp4 == NULL)
  {
    ulNoMeasValues = 0;
    Serial.println("Error in memory allocation!");
  }
  else
  {
    Serial.print("Allocated storage for ");
    Serial.print(ulNoMeasValues);
    Serial.println(" data points.");

    float fMeasDelta_sec = MEAS_SPAN_H * 3600. / ulNoMeasValues;
    ulMeasDelta_ms = ( (unsigned long)(fMeasDelta_sec + 0.5) ) * 1000; // round to full sec
    Serial.print("Measurements will happen each ");
    Serial.print(ulMeasDelta_ms);
    Serial.println(" ms.");

    ulNextMeas_ms = millis() + ulMeasDelta_ms;
  }
}

void WiFiStart()
{
  ulReconncount++;



  while (WiFi.status() != WL_CONNECTED)
  {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");

  // Start the server
  server.begin();
  Serial.println("Server started");

  // Print the IP address
  Serial.println(WiFi.localIP());

}

void setup() {
  Serial.begin(115200);
  pixels.begin();
  pixels.setBrightness(BASE_BRIGHTNESS);

  reset_pixels();

  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  WiFi.hostname(HOSTNAME);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("WiFi connected");
  Serial.println(WiFi.localIP());

  if (!MDNS.begin(HOSTNAME)) {
    update_pixel(0, 200, 0, 0);
    Serial.println("Error setting up MDNS responder!");
    while (1) {
      delay(1000);
    }
  }
  Serial.println("mDNS responder started");

  update_pixel(0, 0, 200, 0);
  pixels.show();

  server.begin();
  MDNS.addService("http", "tcp", 80);
}

void next_client() {
  // Listenning for new clients
  client = server.available();
  if (client) {
    Serial.println("New client");
    // bolean to locate when the http request ends
    boolean blank_line = true;
    while (client.connected()) {
      if (client.available()) {
        char c = client.read();
        if (c == '\n' && blank_line) {
            client.println("HTTP/1.1 200 OK");
            client.println("Content-Type: application/json");
            client.println("Access-Control-Allow-Origin: *");
            client.println("Connection: close");
            client.println();
            print_json();
            break;
        }
        if (c == '\n') {
          // when starts reading a new line
          Serial.println();
          blank_line = true;
        }
        else if (c != '\r') {
          // when finds a character on the current line
          Serial.write(c);
          blank_line = false;
        }
      }
    }  
    // closing the client connection
    delay(1);
    client.stop();
    Serial.println("Client disconnected.");
  }
}