uint8_t gCV29_Vstart = 1;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  if (bitRead(gCV29_Vstart, 0)==0)
  {
    Serial.println("正向");
      }
  else
  {
    Serial.println("反向");
  }
  if (bitRead(gCV29_Vstart,3)==1)
  {
    Serial.println("RailCOM Enable");
    }
    else
    {
      Serial.println("RailCOM Disable");
    }
};

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}