diff --git a/docs/examples.rst b/docs/examples.rst index 8c1097f..7d3197b 100644 --- a/docs/examples.rst +++ b/docs/examples.rst @@ -33,3 +33,12 @@ Calibrate the magnetometer and print out the hard-iron calibrations .. literalinclude:: ../examples/lis2mdl_calibrate.py :caption: examples/lis2mdl_calibrate.py :linenos: + +DisplayIO Simpletest +--------------------- + +This is a simple test for boards with built-in display. + +.. literalinclude:: ../examples/lis2mdl_displayio_simpletest.py + :caption: examples/lis2mdl_displayio_simpletest.py + :linenos: diff --git a/examples/lis2mdl_displayio_simpletest.py b/examples/lis2mdl_displayio_simpletest.py new file mode 100644 index 0000000..64b3f26 --- /dev/null +++ b/examples/lis2mdl_displayio_simpletest.py @@ -0,0 +1,43 @@ +# 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_lis2mdl + +# 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_lis2mdl.LIS2MDL(i2c) + +# 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 + mag_x, mag_y, mag_z = sensor.magnetic + display_output_label.text = f"X:{mag_x:10.2f}, Y:{mag_y:10.2f}, Z:{mag_z:10.2f} uT" + # wait for a bit + time.sleep(0.5)