#!/usr/bin/env python
#-----------------------------------------------------------------------------
# qwiic_env_bme280_ex4.py
#
# Simple Example for the Qwiic BME280 Device
#------------------------------------------------------------------------
#
# Written by SparkFun Electronics, May 2019
#
# This python library supports the SparkFun Electroncis qwiic
# qwiic sensor/board ecosystem on a Raspberry Pi (and compatable) single
# board computers.
#
# More information on qwiic is at https:# www.sparkfun.com/qwiic
#
# Do you like this library? Help support SparkFun. Buy a board!
#
#==================================================================================
# Copyright (c) 2019 SparkFun Electronics
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#==================================================================================
# Example 4 - port of the Arduino example 4
#
from __future__ import print_function
import qwiic_bme280
import time
import sys
def runExample():
print("\nSparkFun BME280 Sensor Example 4\n")
mySensor = qwiic_bme280.QwiicBme280()
if mySensor.connected == False:
print("The Qwiic BME280 device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
mySensor.begin()
# setup the sensor
mySensor.filter = 1 # 0 to 4 is valid. Filter coefficient. See 3.4.4
mySensor.standby_time = 0 # 0 to 7 valid. Time between readings. See table 27.
mySensor.over_sample = 1 # 0 to 16 are valid. 0 disables temp sensing. See table 24.
mySensor.pressure_oversample = 1 # 0 to 16 are valid. 0 disables pressure sensing. See table 23.
mySensor.humidity_oversample = 1 # 0 to 16 are valid. 0 disables humidity sensing. See table 19.
mySensor.mode = mySensor.MODE_NORMAL # MODE_SLEEP, MODE_FORCED, MODE_NORMAL is valid. See 3.3
while True:
print("Humidity:\t%.3f" % mySensor.humidity)
print("Pressure:\t%.3f" % mySensor.pressure)
print("Altitude:\t%.3f" % mySensor.altitude_feet)
print("Temperature:\t%.2f\n" % mySensor.temperature_fahrenheit)
time.sleep(1)
if __name__ == '__main__':
try:
runExample()
except (KeyboardInterrupt, SystemExit) as exErr:
print("\nEnding Example 4")
sys.exit(0)