Page 376 - 최강 아두이노 퍼스트 참고서
P. 376
if (client) { // got client?
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) { // client data available to
read
char c = client.read(); // read 1 byte (character)
from client
HTTP_req += c; // save the HTTP request 1 char at a
time
// last line of client request is blank and ends with
\n
// respond to client only after last line received
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");
client.println();
// send web page
client.println("<!DOCTYPE html>");
client.println("<html>");
client.println("<head>");
client.println("<title>Arduino LED
Control</title>");
client.println("</head>");
client.println("<body>");
client.println("<h1>LED</h1>");
client.println("<p>Click to switch LED on and
off.</p>");
client.println("<form method=\"get\">");
ProcessCheckbox(client);
client.println("</form>");
client.println("</body>");
client.println("</html>");
Serial.print(HTTP_req);
HTTP_req = ""; // finished with request, empty
string
break;
}
// every line of text received from the client ends
with \r\n
if (c == '\n') {
// last character on line of received text
// starting new line with next character read
currentLineIsBlank = true;
}
else if (c != '\r') {
// a text character was received from client
currentLineIsBlank = false;
}
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