Function FailOnModel5

wiringPi/wiringPi.c:705–711

#define RETURN_ON_MODEL5 if (piRP1Model()) { if (wiringPiDebug) printf("Function not supported on Pi5\n");  return; }

int FailOnModel5(const char *function) {
  if (piRP1Model()) {
    return wiringPiFailure (WPI_ALMOST, "Function '%s' not supported on Raspberry Pi 5.\n"
  "  Unable to continue. Keep an eye of new versions at https://github.com/wiringpi/wiringpi\n", function) ;
  }
  return 0;
}

// gpioToGPFSEL:
//	Map a BCM_GPIO pin to it's Function Selection