Library for the DPS310 Precision Barometric Pressure Sensor
This driver depends on:
Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.
Installing from PyPI
On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI. To install for current user:
pip3 install adafruit-circuitpython-dps310
To install system-wide (this may be required in some cases):
sudo pip3 install adafruit-circuitpython-dps310
To install in a virtual environment in your current project:
mkdir project-name && cd project-name python3 -m venv .env source .env/bin/activate pip3 install adafruit-circuitpython-dps310
Installing to a connected CircuitPython Device
Some devices, eg. the QT-PY, are very limited in memory. The DPS310 library contains two variants - basic and advanced - which give different levels of functionality.
Installing the DPS310 library could have the following outcomes:
It installs successfully and your code runs successfully. Woo-hoo! Continue with your amazing project.
It installs successfully and your code fails to run with a memory allocation error. Try one of the following:
- If your code.py is large, especially if it has lots of comments, you can shrink it into a .mpy file instead. See the Adafruit Learn Guide on shrinking your code.
- Only use the basic DPS310 implementation, and remove the following file: <CIRCUITPY>/lib/adafruit_dps310/advanced.mpy where <CIRCUITPY> is the mounted location of your device. Make sure that your code only uses the basic implementation.
import time import board from adafruit_dps310.basic import DPS310 i2c = board.I2C() # uses board.SCL and board.SDA dps310 = DPS310(i2c) while True: print("Temperature = %.2f *C"%dps310.temperature) print("Pressure = %.2f hPa"%dps310.pressure) print("") time.sleep(1.0)
Library extensive features might not be compatible with memory limited boards. For these kind of boards you need to use the adafruit_dps310/basic.mpy, the file needs to be in the mpy format in order to fit in memory. For boards with more memory available you could use the code present in adafruit_dps310/advanced.py. For usage refer to dps310_simpletest_advanced.py
API documentation for this library can be found on Read the Docs.
For information on building library documentation, please check out this guide.
Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.
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