# SPDX-FileCopyrightText: 2024 # SPDX-License-Identifier: MIT import time import board from adafruit_display_text.label import Label from displayio import Group from terminalio import FONT import adafruit_gps # import busio # uart = busio.UART(board.TX, board.RX, baudrate=9600, timeout=10) i2c = board.I2C() # uses board.SCL and board.SDA # i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector # Create a GPS module instance. # gps = adafruit_gps.GPS(uart, debug=False) # Use UART gps = adafruit_gps.GPS_GtopI2C(i2c, debug=False) # Use I2C interface # Turn on the basic GGA and RMC info (what you typically want) gps.send_command(b"PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0") # Set update rate to once a second 1hz (what you typically want) gps.send_command(b"PMTK220,1000") # Example written for boards with built-in displays display = board.DISPLAY # Create a main_group to hold anything we want to show on the display. main_group = Group() # Create a Label to show the readings. If you have a very small # display you may need to change to scale=1. display_output_label = Label(FONT, text="", scale=2) # Place the label near the top left corner with anchored positioning display_output_label.anchor_point = (0, 0) display_output_label.anchored_position = (4, 4) # Add the label to the main_group main_group.append(display_output_label) # Set the main_group as the root_group of the display display.root_group = main_group last_print = time.monotonic() # Begin main loop while True: gps.update() current = time.monotonic() # Update display data every second if current - last_print >= 1.0: last_print = current if not gps.has_fix: # Try again if we don't have a fix yet. display_output_label.text = "Waiting for fix..." continue # We have a fix! (gps.has_fix is true) t = gps.timestamp_utc # Update the label.text property to change the text on the display display_output_label.text = f"Timestamp (UTC): \ \n{t.tm_mday}/{t.tm_mon}/{t.tm_year} {t.tm_hour}:{t.tm_min:02}:{t.tm_sec:02}\ \nLat: {gps.latitude:.6f}\ \nLong: {gps.longitude:.6f}"