// Advanced Output 
// by BARRAGAN (http://barraganstudio.com> 

String buffer = String("");  // buffer to read data from the weather board 
int ready = 0;  // used to mark when we have a complete string to process 
int val;  // use to read a byte from the serial 
unsigned long humidity=0, fahrenheit=0, celcius=0, SCPfahrenheit=0, presure=0; 
 
 
void setup() { 
  Serial1.begin(9600);  // starts the second hardware serial port at 9600 to communicate with the weather board 
  Serial.begin(9600);  // starts the serial at 9600 
  pinMode(48, OUTPUT);  // turn ON the board LED for diagnostics 
  digitalWrite(48, HIGH); 
} 
 
void loop() { 
  while(Serial1.available() > 0) {  // if data vailable from the weather board 
    val = Serial1.read();  // read it 
    if((val != '\n')) {  // if no end of line 
      buffer.append(char(val));  // add it to the buffer 
    } 
    else {  // if end of line reached, readu to parse the buffer 
      ready = 1; 
      break; 
    }  
  } 
  if(ready == 1) {  // parse the buffer 
    if(buffer.contains("#")) {  // verify if it is aggod reading 
      // Serial.println(buffer);  // just to see what we got 
      processReading(buffer.toCharArray());  // parse the buffer extracting the data 
    } 
    buffer = String("");  // clean up the buffer for next reading 
    ready = 0; 
  } 
} 
 
// parse the buffer received extracting the data 
void processReading(char packet[]) { 
  byte i; 
  char* endptr; 
 
  // start parsing 
  i = 0; 
  i++; 
  humidity = strtod(&packet[i], &endptr);       // next field: humidity 
 
  while(packet[i++] != ',');			// next field: fahrenheit	 
  fahrenheit = strtod(&packet[i], &endptr); 
 
  while(packet[i++] != ',');			// next field: celcius 
  celcius = strtod(&packet[i], &endptr);	 
 
  while(packet[i++] != ',');			// next field: SCPfahrenheit 
  SCPfahrenheit = strtod(&packet[i], &endptr);	 
 
  while(packet[i++] != ',');			// next field: presure 
  presure = strtod(&packet[i], &endptr);	 
 
  while(packet[i++] != ',');			// next field: counter 
 
  while(packet[i++] != '$');			// next field: checksum 
 
  Serial.print("humidity: "); 
  Serial.print(humidity, DEC); 
  Serial.print(" fahrenheit: "); 
  Serial.print(fahrenheit, DEC); 
  Serial.print(" celcius: "); 
  Serial.print(celcius, DEC); 
  Serial.print(" SCPfahrenheit: "); 
  Serial.print(SCPfahrenheit, DEC); 
  Serial.print(" presure: "); 
  Serial.println(presure, DEC); 
}