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grovevdiv: Initial implementation

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This module implements support for the Grove Voltage Divider.
jrvandr: Removed unecessary mraa_init() from grovevdiv.cxx

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
2014-12-19 15:17:36 -07:00
committed by John Van Drasek
parent fb2fbbd95e
commit 8d3e29a695
8 changed files with 293 additions and 0 deletions
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3
examples/CMakeLists.txt
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@ -61,6 +61,7 @@ add_executable (grovemoisture-example grovemoisture.cxx)
add_executable (groveehr-example groveehr.cxx)
add_executable (ta12200-example ta12200.cxx)
add_executable (grovelinefinder-example grovelinefinder.cxx)
add_executable (grovevdiv-example grovevdiv.cxx)
include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
include_directories (${PROJECT_SOURCE_DIR}/src/grove)
@ -109,6 +110,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/grovemoisture)
include_directories (${PROJECT_SOURCE_DIR}/src/groveehr)
include_directories (${PROJECT_SOURCE_DIR}/src/ta12200)
include_directories (${PROJECT_SOURCE_DIR}/src/grovelinefinder)
include_directories (${PROJECT_SOURCE_DIR}/src/grovevdiv)
target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (groveled-example grove ${CMAKE_THREAD_LIBS_INIT})
@ -173,3 +175,4 @@ target_link_libraries (grovemoisture-example grovemoisture ${CMAKE_THREAD_LIBS_I
target_link_libraries (groveehr-example groveehr ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (ta12200-example ta12200 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (grovelinefinder-example grovelinefinder ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (grovevdiv-example grovevdiv ${CMAKE_THREAD_LIBS_INIT})

67
examples/grovevdiv.cxx Normal file
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@ -0,0 +1,67 @@
/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2014 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 <iostream>
#include <signal.h>
#include "grovevdiv.h"
using namespace std;
bool shouldRun = true;
void sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main ()
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a Grove Voltage Divider sensor on analog pin A0
upm::GroveVDiv* vDiv = new upm::GroveVDiv(0);
// collect data and output measured voltage according to the setting
// of the scaling switch (3 or 10)
while (shouldRun)
{
unsigned int val = vDiv->value(100);
float gain3val = vDiv->computedValue(3, val);
float gain10val = vDiv->computedValue(10, val);
cout << "ADC value: " << val << " Gain 3: " << gain3val
<< "v Gain 10: " << gain10val << "v" << endl;
sleep(1);
}
//! [Interesting]
cout << "Exiting..." << endl;
delete vDiv;
return 0;
}

50
examples/javascript/grovevdiv.js Normal file
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@ -0,0 +1,50 @@
/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*global */
/*
* Author: Zion Orent <zorent@ics.com>
* Copyright (c) 2014 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 voltageDivider = require('jsupm_grovevdiv');
// Instantiate a Grove Voltage Divider sensor on analog pin A0
var myVoltageDivider = new voltageDivider.GroveVDiv(0);
// collect data and output measured voltage according to the setting
// of the scaling switch (3 or 10)
function getVoltageInfo()
{
var val = myVoltageDivider.value(100);
var gain3val = myVoltageDivider.computedValue(3, val);
var gain10val = myVoltageDivider.computedValue(10, val);
console.log("ADC value: " + val + " Gain 3: " + gain3val
+ "v Gain 10: " + gain10val + "v");
}
setInterval(getVoltageInfo, 1000);
// Print message when exiting
process.on('SIGINT', function()
{
console.log("Exiting...");
process.exit(0);
});