Arduino LM35DZ x6 logger

lm35dz_6.ino

// LM35DZ x6 Thermal Logger
// 2012.11.30 K.Takesita
//
// http://arduino.cc/en/Reference/AnalogReference

unsigned int t,c;
float sc;
// unsigned long time;
#define NUM_LM35 6
int LM35[NUM_LM35] = {A0,A1,A2,A3,A4,A5}; // Analog port
int Adj[NUM_LM35] = {1,0,0,0,0,-1}; // Adjust LM35DZ scatter

int Avalue[NUM_LM35] ; // A0~A5 value register

int led = 13;  // HeartBeat
int trig = 8;  // for OSC.SCOPE

long int NR = 1 ;  // Number of Records

// initialize the library with the numbers of the interface pins
///LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

// analogReadEx()
// http://avr.paslog.jp/article/2553893.html
//

int analogReadEx( uint8_t adPort ) {
    #define ADC_DUMMY_READ_COUNT    4
    uint32_t adc; 
    for( int i = 0; i < ADC_DUMMY_READ_COUNT; i++ ){
        adc = analogRead( adPort );        /* 読み捨てる */
    }
    adc = analogRead( adPort );    
    return adc ;
}


float temp5v(int ain) {  // analog 0-1023 10mV/Celsius ,5V*100/1024
  return ain*5.0*100/1024;
}

float temp3v3(int ain) {  // analog 0-1023 10mV/Celsius,3.3V*100/1024
  return ain*3.3*100/1024;
}

float temp2v56(int ain) {  // analog 0-1023 10mV/Celsius,2.56V*100/1024
  return ain*2.56*100/1024;
}

float temp1v1(int ain) {  // analog 0-1023 10mV/Celsius,1.1V*100/1024
  return ain*1.1*100/1024;
}

void setup() {
  pinMode(led, OUTPUT);
  pinMode(trig, OUTPUT); //trigger for DSO
  // set up the LCD's number of columns and rows: 
  // lcd.begin(16, 2);
  Serial.begin(9600);
  // External Aref(3.3V)
  // analogReference(EXTERNAL);//3.3V
  // Internal Aref(1.1V) ATmega328
  analogReference(INTERNAL);

  delay(5000); // wait for 5sec
}

void loop() {
  digitalWrite(led, LOW);

  // Read Analog port
  for(int i=0;i<NUM_LM35;i++) {
    Avalue[i]=analogReadEx(LM35[i]); // (0...1023)
    delay(1000);
  }

  // Send Report
  Serial.print(NR);Serial.print(" ");

  for(int i=0;i<NUM_LM35;i++) {
    t=Avalue[i]+Adj[i];  // Adjust LM35DZ Variation
    // sc=temp1v1(t);  // Selcius
    sc=temp3v3(t);  // Selcius
    Serial.print(sc);
    if (i<NUM_LM35-1) Serial.print(" ");
  }
  Serial.print(" : ");
  for(int i=0;i<NUM_LM35;i++) {  // raw data
    Serial.print(Avalue[i]);
    if (i<NUM_LM35-1) Serial.print(" ");
  }

  Serial.println("");
  digitalWrite(led, HIGH);

  NR++;
  // delay(94000-7); // (1000+a)*6+delay=100,000
  delay(5000); // for debug
}