no nessun errore di compilazione è solo che quando mi connetto con il client java il client http non riesce più a comunicare con arduino. se hai presente l'esempio webserver in pratica non riesce a refreshare la pag dopo la prima volta.
Questo è il codice (il serverControlloMotori è quello che comunica con il java client):
#include <SPI.h>
#include <Ethernet.h>
// Enter a MAC address, IP address and Portnumber for your Server below.
// The IP address will be dependent on your local network:
byte mac[] = { 0x90, 0xA2, 0xDA, 0x00, 0xFA, 0xAA };
String analogicPinFunctions[6] = {"Profondità: ", "Batteria : ", "Temperatura: ", "Umidità: ", "Pressione: ", "Umidità2: "};
IPAddress serverIP(192,168,1,4);
int serverPort=8888;
// Initialize the Ethernet server library
// with the IP address and port you want to use
EthernetServer serverControlloMotori(serverPort);
EthernetServer serverAnalogico(80);
void setup()
{
// start the serial for debugging
Serial.begin(9600);
// start the Ethernet connection and the server:
Ethernet.begin(mac, serverIP);
serverControlloMotori.begin();
serverAnalogico.begin();
pinMode(6, OUTPUT);
Serial.println("Server started");//log
}
void loop()
{
// listen for incoming clients
EthernetClient clientControlloMotori = serverControlloMotori.available();
EthernetClient clientAnalogico = serverAnalogico.available();
if (clientControlloMotori) {
int clientMsg =0;
while (clientControlloMotori.connected()) {
// an http request ends with a blank line
boolean currentLineIsBlank = true;
while (clientAnalogico.connected()) {
if (clientAnalogico.available()) {
char c = clientAnalogico.read();
// 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
clientAnalogico.println("HTTP/1.1 200 OK");
clientAnalogico.println("Content-Type: text/html");
clientAnalogico.println();
clientAnalogico.println("<meta http-equiv=\"refresh\" content=\"5\">");
// output the value of each analog input pin
for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
clientAnalogico.print(analogicPinFunctions[analogChannel]);
clientAnalogico.print(analogRead(analogChannel));
clientAnalogico.println("
");
}
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);
clientAnalogico.stop();
if(clientControlloMotori.available()==2){
int c = clientControlloMotori.read();
//if the command is the HANDSHAKE
if(c==1){
int p = clientControlloMotori.read();
Serial.println("HandShake from client");//print it to the serial
clientControlloMotori.println("Salve Java Client");//modify the string and send it back
clientMsg=0;
}
if(c==2)
{
int p = clientControlloMotori.read();
Serial.print("Modifica velocità motore Dx: ");
Serial.println(p);
analogWrite(6, p);
clientControlloMotori.println("Modifica Riuscita!");
delay(20);
}
if(c==3)
{
int p = clientControlloMotori.read();
Serial.println(p);
Serial.println("Staccare connessione");
clientControlloMotori.println("Connessione Chiusa");
}
}
}
delay(1);
// close the connection:
clientControlloMotori.stop();
}
Ora è più chiaro?