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July 18, 2021 21:44
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ESP32_Serve-ESP32_Client UDP Test Program-Server-
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#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); | |
} |
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