Question

此代码在串行监视器上运行时打印ip地址我想在编程时设置它。我使用arduino ide编写iot设备。这是arduino.i的示例代码我正在使用esp8266 ic for wifi connection。

#include <SPI.h>
#include <WiFi.h>
char ssid[] = "yourNetwork";      // your network SSID (name) 
char pass[] = "secretPassword";   // your network password
int keyIndex = 0;                 // your network key Index number (needed        only for WEP)

int status = WL_IDLE_STATUS;

WiFiServer server(80);

void setup() {
  //Initialize serial and wait for port to open:
  Serial.begin(9600); 
  while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
  }

  // check for the presence of the shield:
  if (WiFi.status() == WL_NO_SHIELD) {
    Serial.println("WiFi shield not present"); 
    // don't continue:
    while(true);
  } 

  // attempt to connect to Wifi network:
  while ( status != WL_CONNECTED) { 
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network. Change this line if using open or WEP                 network:    
status = WiFi.begin(ssid, pass);

    // wait 10 seconds for connection:
    delay(10000);
  } 
  server.begin();
  // you're connected now, so print out the status:
  printWifiStatus();
}


void loop() {
  // listen for incoming clients
  WiFiClient client = server.available();
  if (client) {
    Serial.println("new client");
// an http request ends with a blank line
boolean currentLineIsBlank = true;
while (client.connected()) {
  if (client.available()) {
    char c = client.read();
    Serial.write(c);
    // if you've gotten to the end of the line (received a newline
    // character) and the line is blank, the http request has ended,
    // so you can send a reply
    if (c == '\n' && currentLineIsBlank) {
      // send a standard http response header
      client.println("HTTP/1.1 200 OK");
      client.println("Content-Type: text/html");
      client.println("Connection: close");  // the connection will be closed after completion of the response
      client.println("Refresh: 5");  // refresh the page automatically every 5 sec
      client.println();
      client.println("<!DOCTYPE HTML>");
      client.println("<html>");
      // output the value of each analog input pin
      for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
        int sensorReading = analogRead(analogChannel);
        client.print("analog input ");
        client.print(analogChannel);
        client.print(" is ");
        client.print(sensorReading);
        client.println("<br />");       
      }
      client.println("</html>");
       break;
    }
    if (c == '\n') {
      // you're starting a new line
      currentLineIsBlank = true;
    } 
    else if (c != '\r') {
      // you've gotten a character on the current line
      currentLineIsBlank = false;
    }
  }
}
// give the web browser time to receive the data
delay(1);

// close the connection:
client.stop();
Serial.println("client disonnected");
  }
}


void printWifiStatus() {
  // print the SSID of the network you're attached to:
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // print your WiFi shield's IP address:
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);

  // print the received signal strength:
  long rssi = WiFi.RSSI();
  Serial.print("signal strength (RSSI):");
  Serial.print(rssi);
  Serial.println(" dBm");
}

使用arduino

0 个答案: