53 lines
1.5 KiB
Arduino
53 lines
1.5 KiB
Arduino
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#include <NativeEthernet.h>
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#include <NativeEthernetUdp.h>
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byte mac[] = { 0x04, 0xE9, 0xE5, 0x10, 0x00, 0x01 }; // Unique MAC address
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IPAddress ip(192, 168, 1, 100); // Sender IP address
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IPAddress receiverIP(192, 168, 1, 101); // Receiver IP address
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unsigned int receiverPort = 8888; // Port number to send data
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EthernetUDP Udp;
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// Create a 256-byte buffer to send
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byte buffer[256];
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void setup() {
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Serial.begin(115200);
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//while (!Serial); // Wait for Serial Monitor
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Serial.println("Initializing Ethernet...");
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Ethernet.begin(mac, ip);
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if (Ethernet.hardwareStatus() == EthernetNoHardware) {
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Serial.println("Ethernet shield not found!");
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while (true); // Halt execution
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}
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if (Ethernet.linkStatus() == LinkOFF) {
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Serial.println("Ethernet cable not connected!");
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}
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Udp.begin(8888); // Initialize UDP
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Serial.println("UDP Sender Ready");
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// Fill the buffer with some data (e.g., increasing bytes)
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for (int i = 0; i < 256; i++) {
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buffer[i] = i; // Example: Fill with 0, 1, 2, ..., 255
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}
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}
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void loop() {
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Serial.println("Sending packet...");
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// Send the 256-byte buffer to the receiver
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if (Udp.beginPacket(receiverIP, receiverPort)) {
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Udp.write(buffer, 256); // Send the full 256 bytes
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Udp.endPacket();
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Serial.println("Packet sent successfully");
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} else {
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Serial.println("Failed to start UDP packet");
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}
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//delay(1000); // Wait for a second before sending the next packet
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}
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