RGB LED nRF52

int redPin = PIN_A1;
int greenPin = PIN_A2;
int bluePin = PIN_A3;

void setup() {
  analogWrite(redPin, 0);  // RED (purple)
  analogWrite(greenPin, 255);  // GREEN (yellow)
  analogWrite(bluePin, 0);  // BLUE (cyan)
}

void loop() { }

.PHONY: lint compile upload clean

lint:
	cpplint --extensions=ino --filter=-legal/copyright *.ino

compile:
	arduino-cli compile --fqbn adafruit:nrf52:feather52832 ./

upload:
	adafruit-nrfutil dfu genpkg --dev-type 0x0052 --application ./.*.hex dfu-package.zip
	adafruit-nrfutil dfu serial --package dfu-package.zip -p /dev/tty.SLAB_USBtoUART -b 115200

clean:
	rm -f .*.bin
	rm -f .*.elf
	rm -f .*.hex
	rm -f *.zip

flash: lint compile upload clean