kx122: Add Java/Javascript/Python examples

Implemented a swig interface file for the kx122 and added corresponding
swig language examples.  Also added an STL vector flavor for getting
acceleration values from the kx122.

Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Noel Eck 2018-02-26 14:25:25 -08:00
parent 1be36ec1df
commit a43bcfe8d2
7 changed files with 205 additions and 0 deletions

@ -221,3 +221,5 @@ add_example_with_path(LE910_Example uartat uartat)
add_example_with_path(SpeakerPWMSample speaker speaker)
add_example_with_path(RN2903_P2P_RX_Example rn2903 rn2903)
add_example_with_path(RN2903_P2P_TX_Example rn2903 rn2903)
add_example(KX122Example kx122)

@ -0,0 +1,50 @@
/*
* Author: Noel Eck <noel.eck@intel.com>
* 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.
*/
public class KX122Example {
public static void main(String[] args) throws InterruptedException {
//! [Interesting]
// Instantiate a KX122
upm_kx122.KX122 kx122 = new upm_kx122.KX122(0, -1, 24);
// Reset the device
kx122.softwareReset();
// Initialize the device
kx122.deviceInit(upm_kx122.KX122_ODR_T.KX122_ODR_50,
upm_kx122.KX122_RES_T.HIGH_RES,
upm_kx122.KX122_RANGE_T.KX122_RANGE_2G);
// Print the acceleration
while(true){
upm_kx122.floatVector xyz = kx122.getAccelerationDataVector();
System.out.println("Acceleration: x = " + xyz.get(0)
+ " y = " + xyz.get(1)
+ " z = " + xyz.get(2));
Thread.sleep(1000);
}
//! [Interesting]
}
}

@ -0,0 +1,52 @@
/*
* Author: Noel Eck <noel.eck@intel.com>
* Copyright (c) 2017 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.
*/
var kx122 = require("jsupm_kx122");
// Instantiate a KX122
var kx122_sensor = new kx122.KX122(0, -1, 24);
// Reset the device
kx122_sensor.softwareReset();
// Reset the device
kx122_sensor.deviceInit(kx122.KX122_ODR_50,
kx122.HIGH_RES,
kx122.KX122_RANGE_2G);
var myInterval = setInterval(function()
{
data = kx122_sensor.getAccelerationDataVector();
console.log("Acceleration x: " + data.get(0)
+ " y: " + data.get(1)
+ " z: " + data.get(2));
}, 1000);
// When exiting: clear interval and print message
process.on('SIGINT', function()
{
clearInterval(myInterval);
console.log("Exiting...");
process.exit(0);
});

64
examples/python/kx122.py Executable file

@ -0,0 +1,64 @@
#!/usr/bin/env python
# Author: Noel Eck <noel.eck@intel.com>
# Copyright (c) 2017 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.
from __future__ import print_function
import time, sys, signal, atexit
from upm import pyupm_kx122
def main():
# Instantiate a KX122
kx122_sensor = pyupm_kx122.KX122(0, -1, 24)
# Reset the device
kx122_sensor.softwareReset()
# Initialize the device
kx122_sensor.deviceInit(pyupm_kx122.KX122_ODR_50,
pyupm_kx122.HIGH_RES,
pyupm_kx122.KX122_RANGE_2G)
# This function stops python from printing a stacktrace when you hit ctrl-C
def SIGINTHandler(signum, frame):
raise SystemExit
# Exit handler
def exitHandler():
print("Exiting")
sys.exit(0)
# Register exit handlers
atexit.register(exitHandler)
signal.signal(signal.SIGINT, SIGINTHandler)
# Print the acceleration
while True:
[x, y, z] = kx122_sensor.getAccelerationData()
print ("x: %0.02f, y: %0.02f, z: %0.02f" % (x, y, z))
time.sleep(1)
if __name__ == '__main__':
main()

@ -76,6 +76,14 @@ void KX122::getAccelerationData(float *x, float *y, float *z)
}
}
std::vector<float> KX122::getAccelerationDataVector()
{
std::vector<float> xyz(3);
getAccelerationData(&xyz[0], &xyz[1], &xyz[2]);
return xyz;
}
void KX122::softwareReset()
{
if(kx122_sensor_software_reset(m_kx122)){

@ -22,6 +22,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <vector>
#include <mraa/gpio.hpp>
#include "kx122.h"
@ -105,6 +106,14 @@ namespace upm{
*/
void getAccelerationData(float *x, float *y, float *z);
/**
Gets converted (m/s^2) accelerometer data from the sensor.
@return Acceleration vector [X, Y, Z]
@throws std::runtime_error on failure.
*/
std::vector<float> getAccelerationDataVector();
/**
Performs a sensor software reset. The software reset clears the RAM of the sensor and resets all registers
to pre-defined values.

20
src/kx122/kx122.i Normal file

@ -0,0 +1,20 @@
%include "../common_top.i"
/* BEGIN Java syntax ------------------------------------------------------- */
#ifdef SWIGJAVA
JAVA_JNI_LOADLIBRARY(javaupm_kx122)
#endif
/* END Java syntax */
/* BEGIN Common SWIG syntax ------------------------------------------------- */
%include "std_vector.i"
%template(floatVector) std::vector<float>;
%apply float *OUTPUT {float *x, float *y, float *z};
%{
#include "kx122.hpp"
%}
%include "kx122.h"
%include "kx122.hpp"
/* END Common SWIG syntax */