Salve ragazzi mi sto cimentando in un progetto di questo tipo:
Ho creato un servizio in RESTful (ASP.NET MVC), e il mio problema è come connettere il mio arduino con tanto di WiFi Shield al mio server localhost...quello che ho fatto ve lo posto di seguito:
int status = WL_IDLE_STATUS;
IPAddress server(192,168,0,3); // numeric IP
//char server[] = "http://localhost"; // name address
WiFiClient client;
void setup() {
//Initialize serial and wait for port to open:
Serial.begin(9600);
// 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);
}
Serial.println("Connected to wifi");
printWifiStatus();
Serial.println("\nStarting connection to server...");
// if you get a connection, report back via serial:
if (client.connect(server, 80)) {
Serial.println("connected to server");
// Make a HTTP request:
client.println("POST /api/counter/addParticipants HTTP/1.1");
client.println("Host: localhost");
client.println("Connection: close");
client.println();
}
}
void loop() {
// if there are incoming bytes available
// from the server, read them and print them:
while (client.available()) {
char c = client.read();
Serial.write(c);
}
// if the server's disconnected, stop the client:
if (!client.connected()) {
Serial.println();
Serial.println("disconnecting from server.");
client.stop();
// do nothing forevermore:
while (true);
}
}
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");
}
Come vedete ho settato IPAddress server(192,168,0,3); dove l'IP scelto è quello del mio PC fisso nella mia rete domestica, dove eseguo il programma da Visual Studio, ma l'unico risultato che ottengo, dal monitor seriale è:
Attempting to connect to SSID: NICONET
Connected to wifi
SSID: NICONET
IP Address: 192.168.0.5
signal strength (RSSI):-85 dBm
Starting connection to server...
disconnecting from server.