Add displayio example

examples/gps_displayio_simpletest.py

@@ -0,0 +1,70 @@
+# 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}"