/*****************************
 * Generic sensor bench for arduino
 * 
 * @author Florent Lemaire
 *
 *****************************/

int Led = 13 ; // define LED Interface
int digitalPin = 3; // define the digital sensor interface
int analogPin = A3; // define the analog sensor interface
int valDigital ; // define numeric variable
int valAnalog ;// define analogic variable

FILE serial_stdout;//for quicker stdout instead of many serial.print and println

// Function that printf and related will use to print
int serial_putchar(char c, FILE* f) {
    if (c == '\n') serial_putchar('\r', f);
    return Serial.write(c) == 1? 0 : 1;
}

void setup ()
{
  Serial.begin(9600); // initialize serial communication at 9600 bits per second:
  pinMode (Led, OUTPUT) ; // define LED as output interface
  pinMode (digitalPin, INPUT) ; // define input for digital
  pinMode (analogPin, INPUT) ; // define input for analog

  // Set up stdout
  fdev_setup_stream(&serial_stdout, serial_putchar, NULL, _FDEV_SETUP_WRITE);
  stdout = &serial_stdout;
}
void loop ()
{
  delay(20);
  valDigital = digitalRead(digitalPin); // digital
  valAnalog = analogRead(analogPin); //analog
  printf("Ana: %i Dig: %i \n", valAnalog, valDigital*400); //serial output in only one line :)
  
  if (valDigital == HIGH) // onboard visual indicator
  {
    digitalWrite (Led, HIGH);
  }
  else
  {
    digitalWrite (Led, LOW);
  }
}