// controller esp32
#include <WiFi.h>
#include <esp_now.h>


// Replace with the MAC address of your ESP8266
uint8_t receiverAddress[] = {0xF4,0xCF,0xA2,0xD6,0xDB,0x0C};


// Callback when data is sent
void onDataSent(const uint8_t *mac_addr, esp_now_send_status_t status) {
Serial.print("Last Packet Send Status: ");
if (status == ESP_NOW_SEND_SUCCESS) {
Serial.println("Delivery success");
} else {
Serial.println("Delivery fail");
}
}


void setup() {
Serial.begin(115200);


// Set device as a Wi-Fi Station
WiFi.mode(WIFI_STA);
WiFi.disconnect();


// Initialize ESP-NOW
if (esp_now_init() != ESP_OK) {
Serial.println("Error initializing ESP-NOW");
return;
}


// Register callback for sending data
esp_now_register_send_cb(onDataSent);


// Add receiver's MAC address
esp_now_peer_info_t peerInfo;
memcpy(peerInfo.peer_addr, receiverAddress, 6);
peerInfo.channel = 0;
peerInfo.encrypt = false;


if (esp_now_add_peer(&peerInfo) != ESP_OK) {
Serial.println("Failed to add peer");
return;
}
}


void loop() {
// Send data to the receiver
uint8_t data[] = "Hello, ESP-NOW!";
esp_err_t result = esp_now_send(receiverAddress, data, sizeof(data));


if (result == ESP_OK) {
Serial.println("Sent with success");
} else {
Serial.println("Error sending data");
}


delay(2000);
}