Rogue Aerospace

def read_gps_data(self):
    """
    Read GPS data from Arduino.
    Parses incoming serial data in CSV format: LAT,LON,SATS,ALT
    """
    while self.running:
        try:
            if self.serial_port and self.serial_port.in_waiting:
                line = self.serial_port.readline().decode('utf-8').strip()
                
                # Parse CSV format: LAT,LON,SATS,ALT
                parts = line.split(',')
                
                if len(parts) == 4:
                    try:
                        lat = float(parts[0])
                        lon = float(parts[1])
                        sats = int(parts[2])
                        alt = float(parts[3])
                        
                        # Only update if we have valid coordinates
                        if lat != 0.0 or lon != 0.0:
                            # Update UI
                            self.root.after(0, self.update_ui, lat, lon, sats, alt)
                    except ValueError:
                        pass
                        
        except Exception as e:
            print(f"Error reading data: {e}")
        
        time.sleep(0.05)

#include <Wire.h>
#include <SparkFun_u-blox_GNSS_Arduino_Library.h>

SFE_UBLOX_GNSS myGNSS;

void setup() {
  Serial.begin(115200);
  Wire1.begin();
  
  if (myGNSS.begin(Wire1) == false) {
    Serial.println("ERROR: GPS not detected");
    while (1);
  }
  
  myGNSS.setI2COutput(COM_TYPE_UBX);
}

void loop() {
  if (myGNSS.getPVT()) {
    // Send data in CSV format: LAT,LON,SATS,ALT
    Serial.print(myGNSS.getLatitude() / 10000000.0, 7);
    Serial.print(",");
    Serial.print(myGNSS.getLongitude() / 10000000.0, 7);
    Serial.print(",");
    Serial.print(myGNSS.getSIV());
    Serial.print(",");
    Serial.println(myGNSS.getAltitude() / 1000.0, 2);
  }
  
  delay(1000); // Update every second
}