ESP32_Serve-ESP32_Client UDP Test Program-Server-

ESP32_WiFiUDP_Client_timestamp.ino

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

const char ssid[] = "ESP32_wifi"; // SSID
const char pass[] = "esp32pass";  // password

static WiFiUDP wifiUdp; 
static const char *kRemoteIpadr = "192.168.4.1";  //送信先のIPアドレス
static const int kRmoteUdpPort = 10000; //送信先のポート
uint8_t tim[1000];
int i;
static void WiFi_setup()
{
  static const int kLocalPort = 5000;  //自身のポート

  WiFi.begin(ssid, pass);
  while( WiFi.status() != WL_CONNECTED) {
    delay(500);  
  }  
  wifiUdp.begin(kLocalPort);
}

static void Serial_setup()
{
  Serial.begin(115200);
  Serial.println(""); // to separate line  
}

void setup() {
  Serial_setup();
  WiFi_setup();
  
  for (i=0;i<1000;i++)
  {
    tim[i]=i%255;
    Serial.print("tim[");
    Serial.print(i);
    Serial.print("]=");
    Serial.println(tim[i]);
  }
}

void loop() 
{
  wifiUdp.beginPacket(kRemoteIpadr, kRmoteUdpPort);
  wifiUdp.write(tim,999);  //10進数のASCiiで送信される
  wifiUdp.endPacket(); 
   delay(1);
}