arduino 3V3, LM60BIZ Sensor driver

LM60BIZ.ino

//define
const int mVoutPin = 0;
uint32_t mTimerTmp;

//
long convert_Map(long x, long in_min, long in_max, long out_min, long out_max) {
  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
//
// reading LM60BIZ
int getTempNum(){
  int iRet=0;
  float fSen  = 0;
  unsigned long reading  = 0;   
  for (int i=0; i<10; i++) {
    int  iTmp = analogRead(mVoutPin);
    reading  += iTmp; 
    delay(100);
  }
  int SValue= reading / 10;
   //SValue = SValue * (3300 / 1000) ;
Serial.print("SValue=");
Serial.print(SValue);
  int voltage=convert_Map(SValue, 0, 1000, 0,3300);  // V
Serial.print(" , voltage=");
Serial.println(voltage);
  int iTemp = (voltage - 424) / 6.25; //電圧値を温度に変換, offset=425
  iRet= iTemp;
  
  return iRet;  
}
//
void setup() {
  Serial.begin(9600);
  Serial.println("# Start-setup");  

}

//
void loop() {
    delay( 100 );
  int iNum=0;
  if (millis() > mTimerTmp) {
      mTimerTmp = millis()+ 3000;
      int itemp= getTempNum();
Serial.print("itemp="); 
Serial.println(itemp);      
  }

}