Arduino WiFiNINA - server.peek()用法及代碼示例

server.peek()

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#include <SPI.h>
#include <WiFiNINA.h>

char ssid[] = SECRET_SSID;      // your network SSID (name)
char pass[] = SECRET_PASS;      // your network password

int status = WL_IDLE_STATUS;

WiFiServer server(80);

void setup() {

  Serial.begin(9600);
  while (!Serial) {

  }


  if (WiFi.status() == WL_NO_MODULE) {
        Serial.println("Communication with WiFi module failed!");
        // don't continue
        while (true);
  }

  while (status != WL_CONNECTED) {
        Serial.print("Attempting to connect to SSID: ");
        Serial.println(ssid);

        status = WiFi.begin(ssid, pass);


        delay(10000);
  }
  server.begin();
}


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;
        int i = 0;
        while (client.connected()) {
        if (client.available()) {
        char c = client.peek();
        Serial.print("peek: ");
        Serial.println(c);

        Serial.print("calling a second time peek, the char is the same: ");
        c = client.peek();
        Serial.println(c);

        Serial.print("calling the read retry the char and erase from the buffer: ");
        c = client.read();
        Serial.println(c);
        if (i == 2) {
        while (1);
        }
        i++;

        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 disconnected");
  }
}

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