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@pingswept
Created October 26, 2020 21:27
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Fixing the drive strength mode on the Arduino MKR Wifi 1010
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;
}
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