From 8534556bbbe8e1ab8cb3aa9f1090a70ad551dab0 Mon Sep 17 00:00:00 2001
From: jposada202020 <jquintana2020202gmail.com>
Date: Wed, 8 Jan 2025 09:05:55 -0500
Subject: [PATCH] adding_displayio_example

---
 docs/examples.rst                       |  9 +++++
 examples/as3741_displayio_simpletest.py | 47 +++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 examples/as3741_displayio_simpletest.py

diff --git a/docs/examples.rst b/docs/examples.rst
index 3129057..8fe8a59 100644
--- a/docs/examples.rst
+++ b/docs/examples.rst
@@ -33,3 +33,12 @@ Example in how to get all the channel readings at the same time
 .. literalinclude:: ../examples/as7341_batched_readings.py
     :caption: examples/as7341_batched_readings.py
     :linenos:
+
+DisplayIO Simpletest
+---------------------
+
+This is a simple test for boards with built-in display.
+
+.. literalinclude:: ../examples/as3741_displayio_simpletest.py
+    :caption: examples/as3741_displayio_simpletest.py
+    :linenos:
diff --git a/examples/as3741_displayio_simpletest.py b/examples/as3741_displayio_simpletest.py
new file mode 100644
index 0000000..67df1cb
--- /dev/null
+++ b/examples/as3741_displayio_simpletest.py
@@ -0,0 +1,47 @@
+# 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
+from adafruit_as7341 import AS7341
+
+# 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 = AS7341(i2c)
+sensor.flicker_detection_enabled = True
+
+# Create Label(s) 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(s) in the middle of the screen with anchored positioning
+display_output_label.anchor_point = (0, 0)
+display_output_label.anchored_position = (
+    4,
+    board.DISPLAY.height // 2 - 60,
+)
+
+# add the label(s) to the main_group
+main_group.append(display_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:
+    # update the text of the label(s) to show the sensor readings
+    flicker_detected = sensor.flicker_detected
+    if flicker_detected:
+        display_output_label.text = f"Detected a {flicker_detected} Hz flicker"
+    else:
+        display_output_label.text = "No flicker detected"
+    # wait for a bit
+    time.sleep(0.5)