Onnowpurbo: /* Referensi */

2019-11-05T10:42:13Z

Referensi

Onnowpurbo: Created page with "Sumber: http://www.iotsharing.com/2017/06/how-to-use-udpip-with-arduino-esp32.html ==Server== import socket # bind all IP HOST = '0.0.0.0' # Listen on Port PORT = 4..."

2019-11-05T10:34:41Z

Created page with "Sumber: http://www.iotsharing.com/2017/06/how-to-use-udpip-with-arduino-esp32.html ==Server== import socket # bind all IP HOST = '0.0.0.0' # Listen on Port PORT = 4..."

New page

Sumber: http://www.iotsharing.com/2017/06/how-to-use-udpip-with-arduino-esp32.html

==Server==

import socket

# bind all IP
HOST = '0.0.0.0'
# Listen on Port
PORT = 44444
#Size of receive buffer
BUFFER_SIZE = 1024
# Create a TCP/IP socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
# Bind the socket to the host and port
s.bind((HOST, PORT))
while True:
# Receive BUFFER_SIZE bytes data
# data is a list with 2 elements
# first is data
#second is client address
data = s.recvfrom(BUFFER_SIZE)
if data:
#print received data
print('Client to Server: ' , data)
# Convert to upper case and send back to Client
s.sendto(data[0].upper(), data[1])
# Close connection
s.close()

==ESP32==

#include <WiFi.h>
#include <WiFiUdp.h>

/* WiFi network name and password */
const char * ssid = "HUAWEI-1A73";
const char * pwd = "52408495";

// IP address to send UDP data to.
// it can be ip address of the server or
// a network broadcast address
// here is broadcast address
const char * udpAddress = "192.168.8.100";
const int udpPort = 44444;

//create UDP instance
WiFiUDP udp;

void setup(){
Serial.begin(115200);

//Connect to the WiFi network
WiFi.begin(ssid, pwd);
Serial.println("");

// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
//This initializes udp and transfer buffer
udp.begin(udpPort);
}

void loop(){
//data will be sent to server
uint8_t buffer[50] = "hello world";
//send hello world to server
udp.beginPacket(udpAddress, udpPort);
udp.write(buffer, 11);
udp.endPacket();
memset(buffer, 0, 50);
//processing incoming packet, must be called before reading the buffer
udp.parsePacket();
//receive response from server, it will be HELLO WORLD
if(udp.read(buffer, 50) > 0){
Serial.print("Server to client: ");
Serial.println((char *)buffer);
}
//Wait for 1 second
delay(1000);
}

==Referensi==

* http://www.iotsharing.com/2017/06/how-to-use-udpip-with-arduino-esp32.html

← Older revision		Revision as of 10:42, 5 November 2019
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	* http://www.iotsharing.com/2017/06/how-to-use-udpip-with-arduino-esp32.html		* http://www.iotsharing.com/2017/06/how-to-use-udpip-with-arduino-esp32.html
		+
		+
		+	==Pranala Menarik==
		+
		+	* [[ESP32]]

ESP32: WiFi UDP Echo Hello - Revision history

Onnowpurbo: /* Referensi */

Onnowpurbo: Created page with "Sumber: http://www.iotsharing.com/2017/06/how-to-use-udpip-with-arduino-esp32.html ==Server== import socket # bind all IP HOST = '0.0.0.0' # Listen on Port PORT = 4..."