Simple test

Ensure your device works with this simple test.

examples/bmp3xx_simpletest.py

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import time

import board

import adafruit_bmp3xx

# I2C setup
i2c = board.I2C()  # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
bmp = adafruit_bmp3xx.BMP3XX_I2C(i2c)

# SPI setup
# from digitalio import DigitalInOut, Direction
# spi = board.SPI()
# cs = DigitalInOut(board.D5)
# bmp = adafruit_bmp3xx.BMP3XX_SPI(spi, cs)

bmp.pressure_oversampling = 8
bmp.temperature_oversampling = 2

while True:
    print(f"Pressure: {bmp.pressure:6.4f}  Temperature: {bmp.temperature:5.2f}")
    time.sleep(1)

DisplayIO Simpletest

This is a simple test for boards with built-in display.

examples/bmp3xx_displayio_simpletest.py

# SPDX-FileCopyrightText: 2024 Tim Cocks for Adafruit Industries
# SPDX-FileCopyrightText: 2024 Jose D. Montoya
#
# SPDX-License-Identifier: MIT

# Simple demo of the BMP3XX pressure sensor using a built-in display.
import time

import board
from adafruit_display_text.bitmap_label import Label
from displayio import Group
from terminalio import FONT

import adafruit_bmp3xx

# 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
bmp = adafruit_bmp3xx.BMP3XX_I2C(i2c)

bmp.pressure_oversampling = 8
bmp.temperature_oversampling = 2

# 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 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:
    # Update the label.text property to change the text on the display
    display_output_label.text = (
        f"Pressure: {bmp.pressure:6.4f}  Temperature: {bmp.temperature:5.2f}"
    )
    # wait for a bit
    time.sleep(1)