Fixing the drive strength mode on the Arduino MKR Wifi 1010

drivestrength.ino

void setup() {
  pinMode(4, OUTPUT);
  setHighStrengthOutputPinMode(4);
}

void loop() {
  digitalWrite(4, HIGH);
}

bool setHighStrengthOutputPinMode( uint32_t ulPin)
{
  // Handle the case the pin isn't usable as PIO
  if ( g_APinDescription[ulPin].ulPinType == PIO_NOT_A_PIN ) return false;

  EPortType port = g_APinDescription[ulPin].ulPort;
  uint32_t pin = g_APinDescription[ulPin].ulPin;
  uint32_t pinMask = (1ul << pin);

  // enable input, to support reading back values, with pullups disabled and DRVSTR set
  PORT->Group[port].PINCFG[pin].reg=(uint8_t)(PORT_PINCFG_INEN | PORT_PINCFG_DRVSTR) ;
  // Set pin to output mode
  PORT->Group[port].DIRSET.reg = pinMask;
  return true;
}