Example One - This basic example simply reads accelerometer data.¶
examples/qwiic_kx13x_ex1.py¶
1#!/usr/bin/env python3
2#-----------------------------------------------------------------------------
3# qwiic_kx13x_ex1.py
4#
5# Simple example for the Qwiic KX132/4 Accelerometer
6#------------------------------------------------------------------------
7#
8# Written by SparkFun Electronics, April 2021
9#
10# This python library supports the SparkFun Electroncis qwiic
11# qwiic sensor/board ecosystem on a Raspberry Pi (and compatable) single
12# board computers.
13#
14# More information on qwiic is at https://www.sparkfun.com/qwiic
15#
16# Do you like this library? Help support SparkFun. Buy a board!
17#
18#==================================================================================
19# Copyright (c) 2021 SparkFun Electronics
20#
21# Permission is hereby granted, free of charge, to any person obtaining a copy
22# of this software and associated documentation files (the "Software"), to deal
23# in the Software without restriction, including without limitation the rights
24# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
25# copies of the Software, and to permit persons to whom the Software is
26# furnished to do so, subject to the following conditions:
27#
28# The above copyright notice and this permission notice shall be included in all
29# copies or substantial portions of the Software.
30#
31# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
32# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
33# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
34# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
35# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
36# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
37# SOFTWARE.
38#==================================================================================
39# Example 1
40# A simple example for the kx132 showing asychronous data streaming i.e. continuous streaming.
41
42from __future__ import print_function
43import qwiic_kx13x
44import time
45import sys
46
47def runExample():
48
49 print("\nSparkFun KX13X Accelerometer Example 1\n")
50 # myKx = qwiic_kx13x.QwiicKX134() # If using the KX134 un-comment this line and replace other instances of "kx132" with "kx134"
51 myKx = qwiic_kx13x.QwiicKX132()
52
53 if myKx.connected == False:
54 print("The Qwiic KX13X Accelerometer device isn't connected to the system. Please check your connection", \
55 file=sys.stderr)
56 return
57
58 if myKx.begin():
59 print("Ready.")
60 else:
61 print("Make sure you're using the KX132 and not the KX134")
62
63 # myKx.set_range(myKx.KX132_RANGE8G) # Update the range of the data output.
64 myKx.initialize(myKx.BASIC_SETTINGS) # Load basic settings
65
66 while True:
67
68 myKx.get_accel_data()
69 print("X: {0}g Y: {1}g Z: {2}g".format(myKx.kx132_accel.x,
70 myKx.kx132_accel.y,
71 myKx.kx132_accel.z))
72 time.sleep(.02) #Set delay to 1/Output Data Rate which is by default 50Hz 1/50 = .02
73
74
75if __name__ == '__main__':
76 try:
77 runExample()
78 except (KeyboardInterrupt, SystemExit) as exErr:
79 print("\nEnding Example 1")
80 sys.exit(0)