adxl34x_displayio_simpletest.py

# 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_adxl34x


# create a main_group to hold anything we want to show on the display.
main_group = Group()

i2c = board.I2C()  # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller

# For ADXL343
accelerometer = adafruit_adxl34x.ADXL343(i2c)
# For ADXL345
# accelerometer = adafruit_adxl34x.ADXL345(i2c)

# 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=1)

# place the label 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)

# add the label 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:
    acc_x, acc_y, acc_z = accelerometer.acceleration
    # Update the label.text property to change the text on the display
    display_output_label.text = (
        f"x:{acc_x:.1f} m/s^2 y:{acc_y:.1f} m/s^2 z:{acc_z:.1f} m/s^2"
    )
    # wait for a bit
    time.sleep(1)