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mma7660: Initial implementation

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This was tested on the Grove I2C 3-axis digital accelerometer.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: John Van Drasek <john.r.van.drasek@intel.com>
This commit is contained in:
Jon Trulson
2015-01-30 18:43:10 -07:00
committed by John Van Drasek
parent e0e9405634
commit 12c290de70
8 changed files with 725 additions and 0 deletions
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3
examples/CMakeLists.txt
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@ -80,6 +80,7 @@ add_executable (rotaryencoder-example rotaryencoder.cxx)
add_executable (adxl345-example adxl345.cxx)
add_executable (rpr220-example rpr220.cxx)
add_executable (rpr220-intr-example rpr220-intr.cxx)
add_executable (mma7660-example mma7660.cxx)
include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
include_directories (${PROJECT_SOURCE_DIR}/src/grove)
@ -145,6 +146,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/my9221)
include_directories (${PROJECT_SOURCE_DIR}/src/rotaryencoder)
include_directories (${PROJECT_SOURCE_DIR}/src/adxl345)
include_directories (${PROJECT_SOURCE_DIR}/src/rpr220)
include_directories (${PROJECT_SOURCE_DIR}/src/mma7660)
target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (groveled-example grove ${CMAKE_THREAD_LIBS_INIT})
@ -228,3 +230,4 @@ target_link_libraries (rotaryencoder-example rotaryencoder ${CMAKE_THREAD_LIBS_I
target_link_libraries (adxl345-example adxl345 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (rpr220-example rpr220 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (rpr220-intr-example rpr220 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (mma7660-example mma7660 ${CMAKE_THREAD_LIBS_INIT})

83
examples/javascript/mma7660.js Normal file
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@ -0,0 +1,83 @@
/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*
* Author: Zion Orent <zorent@ics.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.
*/
var digitalAccelerometer = require('jsupm_mma7660');
// Instantiate an MMA7660 on I2C bus 0
var myDigitalAccelerometer = new digitalAccelerometer.MMA7660(
digitalAccelerometer.MMA7660_I2C_BUS,
digitalAccelerometer.MMA7660_DEFAULT_I2C_ADDR
);
// place device in standby mode so we can write registers
myDigitalAccelerometer.setModeStandby();
// enable 64 samples per second
myDigitalAccelerometer.setSampleRate(digitalAccelerometer.MMA7660.AUTOSLEEP_64);
// place device into active mode
myDigitalAccelerometer.setModeActive();
var myInterval = setInterval(function()
{
var x, y, z;
x = digitalAccelerometer.new_intp();
y = digitalAccelerometer.new_intp();
z = digitalAccelerometer.new_intp();
myDigitalAccelerometer.getRawValues(x, y, z);
var outputStr = "Raw values: x = " + digitalAccelerometer.intp_value(x) +
" y = " + digitalAccelerometer.intp_value(y) +
" z = " + digitalAccelerometer.intp_value(z);
console.log(outputStr);
var ax, ay, az;
ax = digitalAccelerometer.new_floatp();
ay = digitalAccelerometer.new_floatp();
az = digitalAccelerometer.new_floatp();
myDigitalAccelerometer.getAcceleration(ax, ay, az);
outputStr = "Acceleration: x = " + roundNum(digitalAccelerometer.floatp_value(ax), 6) +
"g y = " + roundNum(digitalAccelerometer.floatp_value(ay), 6) +
"g z = " + roundNum(digitalAccelerometer.floatp_value(az), 6) + "g";
console.log(outputStr);
}, 500);
// round off output to match C example, which has 6 decimal places
function roundNum(num, decimalPlaces)
{
var extraNum = (1 / (Math.pow(10, decimalPlaces) * 1000));
return (Math.round((num + extraNum) * (Math.pow(10, decimalPlaces))) / Math.pow(10, decimalPlaces));
}
// When exiting: clear interval and print message
process.on('SIGINT', function()
{
clearInterval(myInterval);
console.log("Exiting...");
process.exit(0);
});

86
examples/mma7660.cxx Normal file
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@ -0,0 +1,86 @@
/*
* Author: Jon Trulson <jtrulson@ics.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.
*/
#include <unistd.h>
#include <signal.h>
#include <iostream>
#include "mma7660.h"
using namespace std;
int shouldRun = true;
void sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main(int argc, char **argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate an MMA7660 on I2C bus 0
upm::MMA7660 *accel = new upm::MMA7660(MMA7660_I2C_BUS,
MMA7660_DEFAULT_I2C_ADDR);
// place device in standby mode so we can write registers
accel->setModeStandby();
// enable 64 samples per second
accel->setSampleRate(upm::MMA7660::AUTOSLEEP_64);
// place device into active mode
accel->setModeActive();
while (shouldRun)
{
int x, y, z;
accel->getRawValues(&x, &y, &z);
cout << "Raw values: x = " << x
<< " y = " << y
<< " z = " << z
<< endl;
float ax, ay, az;
accel->getAcceleration(&ax, &ay, &az);
cout << "Acceleration: x = " << ax
<< "g y = " << ay
<< "g z = " << az
<< "g" << endl;
usleep(500000);
}
//! [Interesting]
cout << "Exiting..." << endl;
delete accel;
return 0;
}