Converting a hexadecimal string to a binary in order to extract specific bits from it

V-1.0.0

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void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
}

void loop() {

byte byte7[8];
byte variable = 0xAF;
Serial.print("\nVariabke in HEX: ");
Serial.print(variable,HEX);
Serial.print("\nVariabke in BIN: ");
Serial.print(variable,BIN);
Serial.println("");
// SEPARATING BIT FROM BYTE
Serial.print(" SEPARATING BIT FROM BYTE\n");

// Count from RSH to LSH

//1st bit of binary xxxxxxxx no.
byte mask = 1 << 0;
byte answer = (variable & mask) >> 0;
Serial.print("\n1st bit->");
Serial.print(answer);
byte7[0]=answer;

//2nd bit of binary xxxxxxxx no.
mask = 1 << 1;
answer = (variable & mask) >> 1;
Serial.print("\n2nd bit->");
Serial.print(answer);
byte7[1]=answer;

//3rd bit of binary xxxxxxxx no.
mask = 1 << 2;
answer = (variable & mask) >> 2;
Serial.print("\n3rd bit->");
Serial.print(answer);
byte7[2]=answer;

//4th bit of binary xxxxxxxx no.
mask = 1 << 3;
answer = (variable & mask) >> 3;
Serial.print("\n4th bit->");
Serial.print(answer);
byte7[3]=answer;

//5th bit of binary xxxxxxxx no.
mask = 1 << 4;
answer = (variable & mask) >> 4;
Serial.print("\n5th bit->");
Serial.print(answer);
byte7[4]=answer;

//6th bit of binary xxxxxxxx no.
mask = 1 << 5;
answer = (variable & mask) >> 5;
Serial.print("\n6th bit->");
Serial.print(answer);
byte7[5]=answer;

//7th bit of binary xxxxxxxx no.
mask = 1 << 6;
answer = (variable & mask) >> 6;
Serial.print("\n7th bit->");
Serial.print(answer);
byte7[6]=answer;

//8th bit of binary xxxxxxxx no.
mask = 1 << 7;
answer = (variable & mask) >> 7;
Serial.print("\n8th bit->");
Serial.print(answer);
byte7[7]=answer;

// PRINT THE ARRAY

Serial.print("\n**********************PRINT THE ARRAY******************************\n");

for(int i=0;i<8;i++)
Serial.print(byte7[i]);

}

V-1.0.1

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void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
}

void loop() {

for(int counter=0;counter<8;counter++){
byte mask = 1 << counter;
byte answer = (variable & mask) >> counter;
byte7[counter]=answer;
}

// PRINT THE ARRAY
Serial.print("Output: ");
for(int i=0;i<8;i++)
Serial.print(byte7[i]);

}

V-1.0.2

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void hextobin(byte byteArr,byte variable); // custom function prototype

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

void loop() {

byte byte7[8],canMessage[8];

byte variable = 0xAF;

Serial.print("\n");
Serial.print(variable,HEX);
Serial.print("\n");

Serial.print(variable,BIN);
Serial.print("\n");

// function calling for separating Bit from HEX
hextobin(byte7,variable);

// PRINT THE ARRAY
Serial.print("Output: ");
for(int i=0;i<8;i++)
Serial.print(byte7[i]);

}

void hextobin(byte byteArr[8],byte variable){

// Count from RSH to LSH
for(int counter=0;counter<8;counter++){
byte mask = 1 << counter;
byte answer = (variable & mask) >> counter;
byteArr[counter]=answer;
}

}