Source code for crappy.inout.mprls

# coding: utf-8

import time
from .inout import InOut
from .._global import OptionalModule

try:
  import adafruit_mprls
except (ImportError, ModuleNotFoundError):
  adafruit_mprls = OptionalModule('adafruit_mprls')

try:
  import board
except (ImportError, ModuleNotFoundError):
  board = OptionalModule('board', 'Blinka is necessary to use the I2C bus')


[docs]class Mprls(InOut): """The Mprls inout is meant for reading pressure from Adafruit's Mprls pressure sensor. It communicates over I2C with the sensor. """
[docs] def __init__(self) -> None: """Initializes the parent class.""" InOut.__init__(self)
[docs] def open(self) -> None: """Creates the sensor object.""" self._mpr = adafruit_mprls.MPRLS(board.I2C(), psi_min=0, psi_max=25)
[docs] def get_data(self) -> list: """Reads the pressure value. Returns: The pressure value in hPa. """ return [time.time(), self._mpr.pressure]
[docs] def close(self) -> None: """Nothing to do here.""" pass