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This commit is contained in:
Adema 2025-02-17 09:01:57 +01:00
parent 9e91df209a
commit 513d241d08
2 changed files with 34 additions and 17 deletions
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24
eth_tcp_receiv.ino
View File

@ -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
}

27
eth_tcp_sender.ino
View File

@ -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);
}