From 513d241d08e6108c22d06eeac9f1da36bea3d614 Mon Sep 17 00:00:00 2001
From: Adema <h.adema@rug.nl>
Date: Mon, 17 Feb 2025 09:01:57 +0100
Subject: [PATCH] Upload files to "/"

---
 eth_tcp_receiv.ino | 24 ++++++++++++++----------
 eth_tcp_sender.ino | 27 ++++++++++++++++++++-------
 2 files changed, 34 insertions(+), 17 deletions(-)

diff --git a/eth_tcp_receiv.ino b/eth_tcp_receiv.ino
index 881e04e..c4f56ea 100644
--- a/eth_tcp_receiv.ino
+++ b/eth_tcp_receiv.ino
@@ -7,10 +7,11 @@ const int localPort = 8888;
 
 EthernetServer server(localPort);
 EthernetClient client;
-byte packetBuffer[256];
+#define package_size 1024
+byte packetBuffer[package_size];
 
 void setup() {
-    Serial.begin(115200);
+    Serial.begin(921600);
     //while (!Serial);
 
     Serial.println("Initializing Ethernet...");
@@ -41,19 +42,22 @@ void loop() {
     static int bytesReceived = 0;
 
     while (client.available()) {  // Keep reading while data is available
-        int byteRead = client.read(packetBuffer + bytesReceived, 256 - bytesReceived);
+        int byteRead = client.read(packetBuffer + bytesReceived, package_size - bytesReceived);
         if (byteRead > 0) {
             bytesReceived += byteRead;
         }
 
-        if (bytesReceived == 256) {  // Full packet received
-            Serial.print("Received full 256-byte packet: ");
+        if (bytesReceived == package_size) {  // Full packet received
+            //Serial.print("Received packet at: ");
+            Serial.println(micros());
+            //Serial.println(" us");
 
-            for (int i = 0; i < 256; i++) {
-                Serial.print(packetBuffer[i], DEC);
-                Serial.print(" ");
-            }
-            Serial.println();
+            //for (int i = 0; i < package_size; i++) {
+                //Serial.print(packetBuffer[i], DEC);
+                //Serial.print(" ");
+                //if ((i + 1) % 256 == 0) Serial.println();
+            //}
+            //Serial.println();
 
             bytesReceived = 0;  // Reset for the next packet
         }
diff --git a/eth_tcp_sender.ino b/eth_tcp_sender.ino
index 7ffbbf4..7391c8a 100644
--- a/eth_tcp_sender.ino
+++ b/eth_tcp_sender.ino
@@ -6,10 +6,11 @@ IPAddress serverIP(192, 168, 1, 101);
 const int serverPort = 8888;
 
 EthernetClient client;
-byte buffer[256];
+#define package_size 1024
+byte buffer[package_size];
 
 void setup() {
-    Serial.begin(115200);
+    Serial.begin(921600);
     //while (!Serial);
 
     Serial.println("Initializing Ethernet...");
@@ -32,13 +33,25 @@ void setup() {
         Serial.println("Connection failed.");
     }
 
-    for (int i = 0; i < 256; i++) {
+    for (int i = 0; i < package_size; i++) {
         buffer[i] = i;  // Fill buffer with sample data (0-255)
     }
+  send_package();
+  send_package();
+  send_package();
+  send_package();
+  send_package();
+  delay (3000);
+  send_package();
+
 }
 
 void loop() {
-    if (!client.connected()) {
+    //delay(500);  // Small delay to avoid overloading the receiver
+}
+
+void send_package(){
+      if (!client.connected()) {
         Serial.println("Connection lost. Reconnecting...");
         client.stop();
         delay(1000);
@@ -46,7 +59,7 @@ void loop() {
         return;
     }
 
-    Serial.println("Sending 256-byte packet...");
-    client.write(buffer, 256);
-    //delay(500);  // Small delay to avoid overloading the receiver
+    //Serial.println("Sending packet...");
+    client.write(buffer, package_size);
+
 }