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82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
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#!/usr/bin/python
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# Author: Zion Orent <zorent@ics.com>
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# Copyright (c) 2015 Intel Corporation.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import time, sys, signal, atexit
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import pyupm_mma7660 as upmMMA7660
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# Instantiate an MMA7660 on I2C bus 0
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myDigitalAccelerometer = upmMMA7660.MMA7660(
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upmMMA7660.MMA7660_I2C_BUS,
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upmMMA7660.MMA7660_DEFAULT_I2C_ADDR);
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## Exit handlers ##
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# This function stops python from printing a stacktrace when you hit control-C
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def SIGINTHandler(signum, frame):
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raise SystemExit
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# This function lets you run code on exit, including functions from myDigitalAccelerometer
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def exitHandler():
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print "Exiting"
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sys.exit(0)
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# Register exit handlers
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atexit.register(exitHandler)
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signal.signal(signal.SIGINT, SIGINTHandler)
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# place device in standby mode so we can write registers
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myDigitalAccelerometer.setModeStandby()
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# enable 64 samples per second
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myDigitalAccelerometer.setSampleRate(upmMMA7660.MMA7660.AUTOSLEEP_64)
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# place device into active mode
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myDigitalAccelerometer.setModeActive()
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x = upmMMA7660.new_intp()
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y = upmMMA7660.new_intp()
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z = upmMMA7660.new_intp()
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ax = upmMMA7660.new_floatp()
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ay = upmMMA7660.new_floatp()
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az = upmMMA7660.new_floatp()
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while (1):
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myDigitalAccelerometer.getRawValues(x, y, z)
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outputStr = ("Raw values: x = {0}"
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" y = {1}"
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" z = {2}").format(upmMMA7660.intp_value(x),
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upmMMA7660.intp_value(y),
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upmMMA7660.intp_value(z))
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print outputStr
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myDigitalAccelerometer.getAcceleration(ax, ay, az)
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outputStr = ("Acceleration: x = {0}"
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"g y = {1}"
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"g z = {2}g").format(upmMMA7660.floatp_value(ax),
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upmMMA7660.floatp_value(ay),
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upmMMA7660.floatp_value(az))
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print outputStr
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time.sleep(.5)
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