Use GPS module PA1010D with Arduino M0 (SAMD21G) to display GPS data.
#define GPSSerial Serial1
void setup() {
  while (!SerialUSB) {}
  SerialUSB.begin(115200);
  GPSSerial.begin(9600);
  SerialUSB.println("Hello GPS");
}
void loop() {
  if (SerialUSB.available()) {
    char c = SerialUSB.read();
    GPSSerial.write(c);
  }
  if (GPSSerial.available()) {
    char c = GPSSerial.read();
    SerialUSB.write(c);
  }
}BOARD?=arduino:samd:mzero_bl
PORT := $(shell ls /dev/cu.usbmodem*)
.PHONY: default lint all flash clean
default: lint all flash clean
lint:
	cpplint --extensions=ino --filter=-legal/copyright *.ino
all:
	arduino-cli compile --fqbn $(BOARD) ./
flash:
	arduino-cli upload -p $(PORT) --fqbn $(BOARD) ./
clean:
	rm -f .*.bin
	rm -f .*.elf
	rm -f .*.hex