diff --git a/examples/python/mma7660.py b/examples/python/mma7660.py new file mode 100644 index 00000000..1471a60d --- /dev/null +++ b/examples/python/mma7660.py @@ -0,0 +1,81 @@ +#!/usr/bin/python +# Author: Zion Orent +# Copyright (c) 2015 Intel Corporation. +# +# 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. + +import time, sys, signal, atexit +import pyupm_mma7660 as upmMMA7660 + +# Instantiate an MMA7660 on I2C bus 0 +myDigitalAccelerometer = upmMMA7660.MMA7660( + upmMMA7660.MMA7660_I2C_BUS, + upmMMA7660.MMA7660_DEFAULT_I2C_ADDR); + + +## Exit handlers ## +# This function stops python from printing a stacktrace when you hit control-C +def SIGINTHandler(signum, frame): + raise SystemExit + +# This function lets you run code on exit, including functions from myDigitalAccelerometer +def exitHandler(): + print "Exiting" + sys.exit(0) + +# Register exit handlers +atexit.register(exitHandler) +signal.signal(signal.SIGINT, SIGINTHandler) + + +# place device in standby mode so we can write registers +myDigitalAccelerometer.setModeStandby() + +# enable 64 samples per second +myDigitalAccelerometer.setSampleRate(upmMMA7660.MMA7660.AUTOSLEEP_64) + +# place device into active mode +myDigitalAccelerometer.setModeActive() + +x = upmMMA7660.new_intp() +y = upmMMA7660.new_intp() +z = upmMMA7660.new_intp() + +ax = upmMMA7660.new_floatp() +ay = upmMMA7660.new_floatp() +az = upmMMA7660.new_floatp() + +while (1): + myDigitalAccelerometer.getRawValues(x, y, z) + outputStr = ("Raw values: x = {0}" + " y = {1}" + " z = {2}").format(upmMMA7660.intp_value(x), + upmMMA7660.intp_value(y), + upmMMA7660.intp_value(z)) + print outputStr + + myDigitalAccelerometer.getAcceleration(ax, ay, az) + outputStr = ("Acceleration: x = {0}" + "g y = {1}" + "g z = {2}g").format(upmMMA7660.floatp_value(ax), + upmMMA7660.floatp_value(ay), + upmMMA7660.floatp_value(az)) + print outputStr + time.sleep(.5) diff --git a/src/mma7660/pyupm_mma7660.i b/src/mma7660/pyupm_mma7660.i index 7eebadf6..92354816 100644 --- a/src/mma7660/pyupm_mma7660.i +++ b/src/mma7660/pyupm_mma7660.i @@ -1,5 +1,10 @@ %module pyupm_mma7660 %include "../upm.i" +%include "cpointer.i" + +/* Send "int *" and "float *" to python as intp and floatp */ +%pointer_functions(int, intp); +%pointer_functions(float, floatp); %feature("autodoc", "3");