jerabaul29 / interrupt_gps_synchronization Goto Github PK

@jvoermans I have unfortunately no GPS breakout for debugging / testing... Can you help me a bit?

Could you:

• connect the GPS breakout to your due as usual.

• in addition, connect the PPS output to any digital pin of the Due

• write a bit of code that:

  • runs the same code as mine:

• at the same time, checks for messages from the GPS, and also prints timing. Something like:

if (SERIAL_GPS.available()>0){
  char c_GPS = SERIAL_GPS.read();
  Serial.print(c_GPS);

  if (c_GPS=='\n'){
    Serial.print(F("newline at "));
    Serial.println(micros());
  }
}

The reason for that is that I want to know when the PPS output is set high by the GPS receiver. Guess this is just before the serial transmission happens, but want to check.