#define HALL_PIN A0 

int hall_value;
void setup_hall() {
  return; 
}

void hall_meas() {
  hall_value = analogRead(HALL_PIN); //I don't need to map it to any other value.. it'll range between 0 - 4095
}

void hall_meas_print() {
  Serial.print("Hall Effect Sensor: ");
  Serial.print(hall_value); Serial.println("unitless/not mapped");
}