Onnowpurbo at 02:13, 6 October 2019

2019-10-06T02:13:39Z

← Older revision		Revision as of 02:13, 6 October 2019
Line 13:		Line 13:
	const int hostPort = 80;		const int hostPort = 80;

	const int BUTTON_PIN = 0;		const int BUTTON_PIN = 15;
	const int LED_PIN = 5;		const int LED_PIN = 2;

	void setup()		void setup()

Onnowpurbo: Created page with "Sumber: https://learn.sparkfun.com/tutorials/esp32-thing-hookup-guide/arduino-example-wifi #include // WiFi network name and password: const char * networkNam..."

2019-10-06T01:51:37Z

Created page with "Sumber: https://learn.sparkfun.com/tutorials/esp32-thing-hookup-guide/arduino-example-wifi #include <WiFi.h> // WiFi network name and password: const char * networkNam..."

New page

Sumber: https://learn.sparkfun.com/tutorials/esp32-thing-hookup-guide/arduino-example-wifi

#include <WiFi.h>

// WiFi network name and password:
const char * networkName = "YOUR_NETWORK_HERE";
const char * networkPswd = "YOUR_PASSWORD_HERE";

// Internet domain to request from:
const char * hostDomain = "example.com";
const int hostPort = 80;

const int BUTTON_PIN = 0;
const int LED_PIN = 5;

void setup()
{
// Initilize hardware:
Serial.begin(115200);
pinMode(BUTTON_PIN, INPUT_PULLUP);
pinMode(LED_PIN, OUTPUT);

// Connect to the WiFi network (see function below loop)
connectToWiFi(networkName, networkPswd);

digitalWrite(LED_PIN, LOW); // LED off
Serial.print("Press button 0 to connect to ");
Serial.println(hostDomain);
}

void loop()
{
if (digitalRead(BUTTON_PIN) == LOW)
{ // Check if button has been pressed
while (digitalRead(BUTTON_PIN) == LOW)
; // Wait for button to be released

digitalWrite(LED_PIN, HIGH); // Turn on LED
requestURL(hostDomain, hostPort); // Connect to server
digitalWrite(LED_PIN, LOW); // Turn off LED
}
}

void connectToWiFi(const char * ssid, const char * pwd)
{
int ledState = 0;

printLine();
Serial.println("Connecting to WiFi network: " + String(ssid));

WiFi.begin(ssid, pwd);

while (WiFi.status() != WL_CONNECTED)
{
// Blink LED while we're connecting:
digitalWrite(LED_PIN, ledState);
ledState = (ledState + 1) % 2; // Flip ledState
delay(500);
Serial.print(".");
}

Serial.println();
Serial.println("WiFi connected!");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
}

void requestURL(const char * host, uint8_t port)
{
printLine();
Serial.println("Connecting to domain: " + String(host));

// Use WiFiClient class to create TCP connections
WiFiClient client;
if (!client.connect(host, port))
{
Serial.println("connection failed");
return;
}
Serial.println("Connected!");
printLine();

// This will send the request to the server
client.print((String)"GET / HTTP/1.1\r\n" +
"Host: " + String(host) + "\r\n" +
"Connection: close\r\n\r\n");
unsigned long timeout = millis();
while (client.available() == 0)
{
if (millis() - timeout > 5000)
{
Serial.println(">>> Client Timeout !");
client.stop();
return;
}
}

// Read all the lines of the reply from server and print them to Serial
while (client.available())
{
String line = client.readStringUntil('\r');
Serial.print(line);
}

Serial.println();
Serial.println("closing connection");
client.stop();
}

void printLine()
{
Serial.println();
for (int i=0; i<30; i++)
Serial.print("-");
Serial.println();
}

==Pranala Menarik==

* [[ESP32]]

ESP32: WiFi contoh - Revision history

Onnowpurbo at 02:13, 6 October 2019

Onnowpurbo: Created page with "Sumber: https://learn.sparkfun.com/tutorials/esp32-thing-hookup-guide/arduino-example-wifi #include // WiFi network name and password: const char * networkNam..."