/*
Struct Opções utilizando: enum
Autor: Eng. Fabrício Ribeiro
19/05/2025

Byte MHDR

|      Mtype      |       RFU       |   Versão  |
|  7  |  6  |  5  |  4  |  3  |  2  |  1  |  0  |

*/

//Mtype
typedef enum _Mtype{
  Join_Request,
  Join_Accept,
  Unconfirmed_Data_Up,
  Unconfirmed_Data_Down,
  Confirmed_Data_Up,
  Confirmed_Data_Down,
  Rejoin_Request,
  Proprietary,
};

//RFU
typedef enum _RFU{
  Teste0,
  Teste1,
  Teste2,
  Teste3,
  Teste4,
  Teste5,
  Teste6,
  Teste7,
};

//Versão
typedef enum _Version{
  Version_0,
  Version_1,
  Version_2,
  Version_3,
};

//Struct de 1 byte
struct _MHDR{
  byte Mtype:3; //3bit
  byte RFU:3; //3bit
  byte Version:2; //2bit
};

void setup(){

  Serial.begin(115200);

  _MHDR MHDR;

  _Mtype Mtype = Join_Accept;
  _RFU RFU = Teste1;
  _Version Version = Version_1;
  
  MHDR.Mtype = Mtype;
  MHDR.RFU = RFU;
  MHDR.Version = Version;

  Serial.print("MHDR = ");

  for(int i=2; i>=0; i--){
    Serial.print(bitRead(MHDR.Mtype,i));
  }

  for(int i=2; i>=0; i--){
    Serial.print(bitRead(MHDR.RFU,i));
  }

  for(int i=1; i>=0; i--){
    Serial.print(bitRead(MHDR.Version,i));
  }  

  Serial.println(" ");
}

void loop(){
  

}