Merge pull request #44 from jposada202020/adding_displayio_example

adding_displayio_example

Author: FoamyGuy

docs/examples.rst

@@ -6,3 +6,12 @@ Ensure your device works with this simple test.
 .. literalinclude:: ../examples/tcs34725_simpletest.py
     :caption: examples/tcs34725_simpletest.py
     :linenos:
+
+DisplayIO Simpletest
+---------------------
+
+This is a simple test for boards with built-in display.
+
+.. literalinclude:: ../examples/tcs34725_simpletest.py
+    :caption: examples/tcs34725_simpletest.py
+    :linenos:

examples/tcs34725_displayio_simpletest.py

@@ -0,0 +1,59 @@
+# SPDX-FileCopyrightText: 2024 Tim Cocks for Adafruit Industries
+# SPDX-FileCopyrightText: 2024 Jose D. Montoya
+#
+# SPDX-License-Identifier: MIT
+
+import time
+import board
+from adafruit_display_text.bitmap_label import Label
+from terminalio import FONT
+from displayio import Group
+import adafruit_tcs34725
+
+# Simple demo of using the built-in display.
+# create a main_group to hold anything we want to show on the display.
+main_group = Group()
+# Initialize I2C bus and sensor.
+i2c = board.I2C()  # uses board.SCL and board.SDA
+sensor = adafruit_tcs34725.TCS34725(i2c)
+
+# Create Label(s) to show the readings. If you have a very small
+# display you may need to change to scale=1.
+color_output_label = Label(FONT, text="", scale=2)
+temperature_output_label = Label(FONT, text="", scale=2)
+lux_output_label = Label(FONT, text="", scale=2)
+
+# place the label(s) in the middle of the screen with anchored positioning
+color_output_label.anchor_point = (0, 0)
+color_output_label.anchored_position = (
+    4,
+    board.DISPLAY.height // 2 - 60,
+)
+temperature_output_label.anchor_point = (0, 0)
+temperature_output_label.anchored_position = (
+    4,
+    board.DISPLAY.height // 2 - 0,
+)
+lux_output_label.anchor_point = (0, 0)
+lux_output_label.anchored_position = (
+    4,
+    board.DISPLAY.height // 2 + 20,
+)
+
+# add the labels to the main_group
+main_group.append(color_output_label)
+main_group.append(temperature_output_label)
+main_group.append(lux_output_label)
+
+# set the main_group as the root_group of the built-in DISPLAY
+board.DISPLAY.root_group = main_group
+
+# begin main loop
+while True:
+    # Raw data from the sensor in a 4-tuple of red, green, blue, clear light component values
+    color_output_label.text = f"RGB color 3-tuple:\n{sensor.color_rgb_bytes}"
+    # Read the color temperature and lux of the sensor too.
+    temperature_output_label.text = f"Temp: {sensor.color_temperature}K"
+    lux_output_label.text = f"Lux: {sensor.lux}"
+    # wait for a bit
+    time.sleep(0.5)