From 97f4db03c6b4f6752348133eaad7902896f4e42b Mon Sep 17 00:00:00 2001
From: gialexpro <gialexpro@gmail.com>
Date: Sat, 10 Jun 2023 07:50:22 +0300
Subject: [PATCH] esp32-s3 UDP

---
 arduino/arduino_secrets.h           |  2 -
 arduino/esp32-s3/AsyncUDPServer.ino | 60 +++++++++++++++++++++++++++++
 arduino/esp32-s3/arduino_secrets.h  |  2 +
 arduino/{ => nina}/arduino.ino      |  0
 arduino/nina/arduino_secrets.h      |  2 +
 5 files changed, 64 insertions(+), 2 deletions(-)
 delete mode 100644 arduino/arduino_secrets.h
 create mode 100644 arduino/esp32-s3/AsyncUDPServer.ino
 create mode 100644 arduino/esp32-s3/arduino_secrets.h
 rename arduino/{ => nina}/arduino.ino (100%)
 create mode 100644 arduino/nina/arduino_secrets.h

diff --git a/arduino/arduino_secrets.h b/arduino/arduino_secrets.h
deleted file mode 100644
index f4697f5..0000000
--- a/arduino/arduino_secrets.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define SECRET_SSID "wifi"
-#define SECRET_PASS "ninarp2040"
diff --git a/arduino/esp32-s3/AsyncUDPServer.ino b/arduino/esp32-s3/AsyncUDPServer.ino
new file mode 100644
index 0000000..5e30ba4
--- /dev/null
+++ b/arduino/esp32-s3/AsyncUDPServer.ino
@@ -0,0 +1,60 @@
+#include "WiFi.h"
+#include "AsyncUDP.h"
+
+#include "arduino_secrets.h"
+
+const char * ssid = SECRET_SSID;
+const char * password = SECRET_PASS;
+const int channel = 1;
+const bool hide_SSID = false;
+const int max_connections = 3;
+
+
+AsyncUDP udp;
+
+IPAddress local_ip(192,168,4,1);
+IPAddress gateway(192,168,4,1);
+IPAddress subnet(255,255,255,0);
+
+
+void setup()
+{
+    delay(3000);
+    Serial.begin(115200);
+    WiFi.mode(WIFI_AP);
+    WiFi.softAPConfig(local_ip, gateway, subnet);
+    WiFi.softAP(ssid, password, channel, hide_SSID, max_connections);
+    Serial.println(WiFi.softAPIP());
+
+    
+    if(udp.listen(9696)) {
+        Serial.println("UDP Listening");
+        udp.onPacket([](AsyncUDPPacket packet) {
+            Serial.print("UDP Packet Type: ");
+            Serial.print(packet.isBroadcast()?"Broadcast":packet.isMulticast()?"Multicast":"Unicast");
+            Serial.print(", From: ");
+            Serial.print(packet.remoteIP());
+            Serial.print(":");
+            Serial.print(packet.remotePort());
+            Serial.print(", To: ");
+            Serial.print(packet.localIP());
+            Serial.print(":");
+            Serial.print(packet.localPort());
+            Serial.print(", Length: ");
+            Serial.print(packet.length());
+            Serial.print(", Data: ");
+            Serial.write(packet.data(), packet.length());
+            Serial.println();
+            //reply to the client
+            packet.printf("Got %u bytes of data", packet.length());
+        });
+    }
+}
+
+void loop()
+{
+    delay(3000);
+    //Send broadcast
+    //udp.broadcast("Anyone here?");
+    Serial.println(WiFi.softAPIP());
+}
diff --git a/arduino/esp32-s3/arduino_secrets.h b/arduino/esp32-s3/arduino_secrets.h
new file mode 100644
index 0000000..8425008
--- /dev/null
+++ b/arduino/esp32-s3/arduino_secrets.h
@@ -0,0 +1,2 @@
+#define SECRET_SSID "wifi"
+#define SECRET_PASS "password"
diff --git a/arduino/arduino.ino b/arduino/nina/arduino.ino
similarity index 100%
rename from arduino/arduino.ino
rename to arduino/nina/arduino.ino
diff --git a/arduino/nina/arduino_secrets.h b/arduino/nina/arduino_secrets.h
new file mode 100644
index 0000000..8425008
--- /dev/null
+++ b/arduino/nina/arduino_secrets.h
@@ -0,0 +1,2 @@
+#define SECRET_SSID "wifi"
+#define SECRET_PASS "password"