#include "WiFi.h"

String mac_address;                                 // Variavel a qual será atribuida o MAC Address do CHIP
uint8_t mac_addr_hex[6];
String alvo[][2] = {                                // Tabela com a relação MAC Address e Alvo
                    {"FF:FF:FF:FF:FF:FF", "BC"},    // Broadcast 
                    {"64:E8:33:88:B7:80", "A1"},    // Alvo 1
                    {"E0:5A:1B:C7:F4:E0", "A2"},    // Alvo 2
                    {"FF:FF:FF:FF:FF:A3", "A3"},    // Alvo 3 * 
                    {"FF:FF:FF:FF:FF:A4", "A4"},    // Alvo 4 *
                    {"64:E8:33:88:AA:E0", "A5"},    // Alvo 5
                    {"64:E8:33:88:53:54", "A6"},    // Alvo 6
                    {"FF:FF:FF:FF:FF:A7", "A7"},    // Alvo 7 *
                    {"FF:FF:FF:FF:FF:A8", "A8"},    // Alvo 8 *
                    {"FF:FF:FF:FF:FF:A9", "A9"},    // Alvo 9 *
                    {"FF:FF:FF:FF:FF:10", "A10"},   // Alvo 10 *
                    {"24:0A:C4:00:01:10", "Teste"}, // Mac deste chip
                   };
 

 
void setup(){
  Serial.begin(115200);
  WiFi.mode(WIFI_MODE_STA);
  mac_address = WiFi.macAddress();                  // Atribui o valor do MAC_ADDRESS à variável 
  delay(100);
  Serial.print("MAC Adress: ");
  Serial.println(mac_address);

// Converte de (mac_address) "64:E8:33:88:B7:80" para mac_addr_hex[i] {0x64, 0xE8, 0x33, 0x88, 0xB7, 0x80}
   for(int i=0; i<6; i++){
    char charBuf[3];
    mac_address.substring(3*i, 3*i+2).toCharArray (charBuf, 3);
    mac_addr_hex[i] = strtol(charBuf, 0, 16);
   }
// Imprime o Mac Address no formato:
Serial.printf("mac_addr_hex[]: {0x%.2X, 0x%.2X, 0x%.2X, 0x%.2X, 0x%.2X, 0x%.2X}\n",mac_addr_hex[0], mac_addr_hex[1], mac_addr_hex[2], mac_addr_hex[3], mac_addr_hex[4], mac_addr_hex[5]);
Serial.println();

for(int i=0; i<12; i++){
     if (mac_address == alvo[i][0]){
      Serial.print("O Mac "); Serial.print(mac_address);
      Serial.printf(" é o elemento alvo[%u][0]\n", i);
     }
}
}

 
void loop(){
/*
for(int i=0; i<6; i++){
  Serial.print("mac_addr_hex["); Serial.print(i); Serial.print("]: ");
  Serial.println(mac_addr_hex[i], HEX);
}
 for(int i=0; i<10; i++){
     if (mac_address == alvo[i][0]){
      Serial.println(alvo[i][1]);
     } else{Serial.println("Não encontrado");}
  }

 */ 
}