/*
Buffer
Esse código, não armazena mais valores após o estouro do buffer
Autor: Fabrício Ribeiro
Data: 27/04/2025
Status: ok
*/

#define BUFFER_SIZE 10

uint8_t BUFFER[BUFFER_SIZE];
uint8_t BUFFER_POINT;

//Configurações
void setup(){

  Serial.begin(115200);

  clear_buffer();

  uint8_t AppKey[8] = {0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00};
  put_buffer(AppKey, sizeof(AppKey));
  put_buffer(AppKey, sizeof(AppKey));
  put_buffer(AppKey, sizeof(AppKey));

  show_buffer();
}

//Loop principal
void loop(){

}

//Limpa o buffer
void clear_buffer(void){

  BUFFER_POINT = 0;

  for(byte i = 0; i < BUFFER_SIZE; i++){
    BUFFER[i] = 0;
  }
}

//Guarda valores no buffer
void put_buffer(uint8_t vetor[], uint8_t n){

  if(BUFFER_POINT < BUFFER_SIZE){

    for(byte i = 0; i < n; i++){
      
      BUFFER[BUFFER_POINT] = vetor[i];

      BUFFER_POINT++;

      if(BUFFER_POINT == BUFFER_SIZE){
        break;
      }
    }
  }
}

//Mostra em hexadecimal os valores armazenados no buffer
void show_buffer(void){

  for(byte i = 0; i < BUFFER_POINT; i++){
    //Serial.print("0x");
    Serial.print(BUFFER[i] < 16 ? "0" : "");
    Serial.print(BUFFER[i], HEX);
    Serial.print(" ");
  }  
  Serial.println("");
}