#include <LiquidCrystal.h>

// register the LiquidCrystal control and data pins
// for the dfrobots LCD shield.
LiquidCrystal LCD(8,9,4,5,6,7) ;

static FILE lcdout = {0} ;      // LCD FILE structure

// LCD character writer
static int lcd_putchar(char ch, FILE* stream)
{
    LCD.write(ch) ;
    return (0) ;
}

void setup(void)
{
   // LCD shield is 16 columns by 2 rows
   LCD.begin(16,2) ;

   // fill in the LCD FILE structure
   fdev_setup_stream (&lcdout, lcd_putchar, NULL, _FDEV_SETUP_WRITE);
}

void loop(void)
{
   float seconds ;

   // calculate seconds as a floating point value
   seconds = (float) millis() /1000.0 ;

   // set the LCD cursor position to home
   LCD.setCursor(0,0) ;

   // report seconds since starting
   // in the X.xxx floating point format.
   fprintf(&lcdout, "Alive %.3f sec", seconds ) ;

   // wait 1000 milliseconds
   delay(1000) ;
}