Loog Book 16 Feb 2024

 08.00 naik sepedah listrik rapat RIIM 4 Mas Rud

13.00 Rapat Bimbingan Akmet

Program ESP NOW

Perintah Pompa  

ROTCC 100

ROTCW 1000

SN

POS

SW1

SW2

ESP NOW

/*

  Rui Santos

  Complete project details at https://RandomNerdTutorials.com/esp-now-esp32-arduino-ide/

 

  Permission is hereby granted, free of charge, to any person obtaining a copy

  of this software and associated documentation files.

 

  The above copyright notice and this permission notice shall be included in all

  copies or substantial portions of the Software.

*/

#include <esp_now.h>

#include <WiFi.h>

// REPLACE WITH YOUR RECEIVER MAC Address

uint8_t broadcastAddress[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};

// Structure example to send data

// Must match the receiver structure

typedef struct struct_message {

  char a[32];

  int b;

  float c;

  bool d;

} struct_message;

// Create a struct_message called myData

struct_message myData;

esp_now_peer_info_t peerInfo;

// callback when data is sent

void OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status) {

  Serial.print("\r\nLast Packet Send Status:\t");

  Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Delivery Success" : "Delivery Fail");

}

 

void setup() {

  // Init Serial Monitor

  Serial.begin(115200);

 

  // Set device as a Wi-Fi Station

  WiFi.mode(WIFI_STA);

  // Init ESP-NOW

  if (esp_now_init() != ESP_OK) {

    Serial.println("Error initializing ESP-NOW");

    return;

  }

  // Once ESPNow is successfully Init, we will register for Send CB to

  // get the status of Trasnmitted packet

  esp_now_register_send_cb(OnDataSent);

 

  // Register peer

  memcpy(peerInfo.peer_addr, broadcastAddress, 6);

  peerInfo.channel = 0;  

  peerInfo.encrypt = false;

 

  // Add peer        

  if (esp_now_add_peer(&peerInfo) != ESP_OK){

    Serial.println("Failed to add peer");

    return;

  }

}

 

void loop() {

  // Set values to send

  strcpy(myData.a, "THIS IS A CHAR");

  myData.b = random(1,20);

  myData.c = 1.2;

  myData.d = false;

 

  // Send message via ESP-NOW

  esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));

   

  if (result == ESP_OK) {

    Serial.println("Sent with success");

  }

  else {

    Serial.println("Error sending the data");

  }

  delay(2000);

}

Perintah Pompa 

/*

  Rui Santos

  Complete project details at https://RandomNerdTutorials.com/esp-now-esp32-arduino-ide/

 

  Permission is hereby granted, free of charge, to any person obtaining a copy

  of this software and associated documentation files.

 

  The above copyright notice and this permission notice shall be included in all

  copies or substantial portions of the Software.

*/

#include <esp_now.h>

#include <WiFi.h>

// Structure example to receive data

// Must match the sender structure

typedef struct struct_message {

    char a[32];

    int b;

    float c;

    bool d;

} struct_message;

// Create a struct_message called myData

struct_message myData;

// callback function that will be executed when data is received

void OnDataRecv(const uint8_t * mac, const uint8_t *incomingData, int len) {

  memcpy(&myData, incomingData, sizeof(myData));

  Serial.print("Bytes received: ");

  Serial.println(len);

  Serial.print("Char: ");

  Serial.println(myData.a);

  Serial.print("Int: ");

  Serial.println(myData.b);

  Serial.print("Float: ");

  Serial.println(myData.c);

  Serial.print("Bool: ");

  Serial.println(myData.d);

  Serial.println();

}

 

void setup() {

  // Initialize Serial Monitor

  Serial.begin(115200);

 

  // Set device as a Wi-Fi Station

  WiFi.mode(WIFI_STA);

  // Init ESP-NOW

  if (esp_now_init() != ESP_OK) {

    Serial.println("Error initializing ESP-NOW");

    return;

  }

 

  // Once ESPNow is successfully Init, we will register for recv CB to

  // get recv packer info

  esp_now_register_recv_cb(OnDataRecv);

}

 

void loop() {

}