Example One - Get VOC Index¶
examples/qwiic_sgp40_ex1.py¶
1# !/usr/bin/env python
2# ----------------------------------------------------------------------
3# qwiic_sgp40_ex1.py
4#
5# Simple example to get VOC index
6# ----------------------------------------------------------------------
7#
8# Written by Priyanka Makin @ SparkFun Electronics, June 2021
9#
10# This python library supports the SparkFun Electronics qwiic sensor/
11# board ecosystem on a Raspberry Pi (and compatable) single board
12# computers.
13#
14# More information on qwiic is at https://www.sparkfun.com/qwiic
15#
16# Do you like this library? Help support SparkFun by buying a board!
17#
18# ======================================================================
19# Copyright (c) 2021 SparkFun Electronics
20#
21# Permission is hereby granted, free of charge, to any person obtaining
22# a copy of this software and associated documentation files (the
23# "Software"), to deal in the Software without restriction, including
24# without limitation the rights to use, copy, modify, merge, publish,
25# distribute, sublicense, and/or sell copies of the Software, and to
26# permit persons to whom the Software is furnished to do so, subject to
27# the following conditions:
28#
29# The above copyright notice and this permission notice shall be
30# included in all copies or substantial portions of the Software.
31#
32# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
33# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
34# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
35# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
36# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
37# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
38# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
39#=======================================================================
40# Example 1
41
42from __future__ import print_function
43import qwiic_sgp40
44import time
45import sys
46
47def run_example():
48
49 print("\nSparkFun Qwiic Air Quality Sensor - SGP40, Example 1\n")
50 my_sgp40 = qwiic_sgp40.QwiicSGP40()
51
52 if my_sgp40.begin() != 0:
53 print("\nThe Qwiic SGP40 isn't connected to the system. Please check your connection", \
54 file=sys.stderr)
55 return
56
57 print("\nSGP40 ready!")
58
59 while True:
60
61 print("\nVOC Index is: " + str(my_sgp40.get_VOC_index()))
62
63 time.sleep(1)
64
65if __name__ == '__main__':
66 try:
67 run_example()
68 except (KeyboardInterrupt, SystemExit) as exErr:
69 print("\nEnding Example 1")
70 sys.exit(0)