st-anything/lib/WiFiEsp/examples/WebClientRepeating/WebClientRepeating.ino
Gašper Dobrovoljc ec125f27db
IP Configuration
2023-03-11 15:11:03 +01:00

122 lines
3.0 KiB
C++

/*
WiFiEsp example: WebClientRepeating
This sketch connects to a web server and makes an HTTP request
using an Arduino ESP8266 module.
It repeats the HTTP call each 10 seconds.
For more details see: http://yaab-arduino.blogspot.com/p/wifiesp.html
*/
#include "WiFiEsp.h"
// Emulate Serial1 on pins 6/7 if not present
#ifndef HAVE_HWSERIAL1
#include "SoftwareSerial.h"
SoftwareSerial Serial1(6, 7); // RX, TX
#endif
char ssid[] = "Twim"; // your network SSID (name)
char pass[] = "12345678"; // your network password
int status = WL_IDLE_STATUS; // the Wifi radio's status
char server[] = "arduino.cc";
unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds
const unsigned long postingInterval = 10000L; // delay between updates, in milliseconds
// Initialize the Ethernet client object
WiFiEspClient client;
void setup()
{
// initialize serial for debugging
Serial.begin(115200);
// initialize serial for ESP module
Serial1.begin(9600);
// initialize ESP module
WiFi.init(&Serial1);
// 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 WPA SSID: ");
Serial.println(ssid);
// Connect to WPA/WPA2 network
status = WiFi.begin(ssid, pass);
}
Serial.println("You're connected to the network");
printWifiStatus();
}
void loop()
{
// if there's incoming data from the net connection send it out the serial port
// this is for debugging purposes only
while (client.available()) {
char c = client.read();
Serial.write(c);
}
// if 10 seconds have passed since your last connection,
// then connect again and send data
if (millis() - lastConnectionTime > postingInterval) {
httpRequest();
}
}
// this method makes a HTTP connection to the server
void httpRequest()
{
Serial.println();
// close any connection before send a new request
// this will free the socket on the WiFi shield
client.stop();
// if there's a successful connection
if (client.connect(server, 80)) {
Serial.println("Connecting...");
// send the HTTP PUT request
client.println(F("GET /asciilogo.txt HTTP/1.1"));
client.println(F("Host: arduino.cc"));
client.println("Connection: close");
client.println();
// note the time that the connection was made
lastConnectionTime = millis();
}
else {
// if you couldn't make a connection
Serial.println("Connection failed");
}
}
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");
}