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my9221: Add C++ and JS examples

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These were tested on the Grove LED Bar.

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 2015-01-13 14:01:28 -07:00 committed by John Van Drasek
parent e005ec4624
commit a853733f61
3 changed files with 154 additions and 0 deletions
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3
examples/CMakeLists.txt
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@ -74,6 +74,7 @@ add_executable (mq303a-example mq303a.cxx)
add_executable (grovespeaker-example grovespeaker.cxx)
add_executable (rfr359f-example rfr359f.cxx)
add_executable (biss0001-example biss0001.cxx)
add_executable (my9221-example my9221.cxx)
include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
include_directories (${PROJECT_SOURCE_DIR}/src/grove)
@ -135,6 +136,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/mq303a)
include_directories (${PROJECT_SOURCE_DIR}/src/grovespeaker)
include_directories (${PROJECT_SOURCE_DIR}/src/rfr359f)
include_directories (${PROJECT_SOURCE_DIR}/src/biss0001)
include_directories (${PROJECT_SOURCE_DIR}/src/my9221)
target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (groveled-example grove ${CMAKE_THREAD_LIBS_INIT})
@ -212,3 +214,4 @@ target_link_libraries (mq303a-example mq303a ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (grovespeaker-example grovespeaker ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (rfr359f-example rfr359f ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (biss0001-example biss0001 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (my9221-example my9221 ${CMAKE_THREAD_LIBS_INIT})

73
examples/javascript/my9221.js Normal file
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@ -0,0 +1,73 @@
/*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 LEDBar = require("jsupm_my9221");
// Instantiate a MY9221, we use D2 for the data, and D3 for the
// data clock. This was tested with a Grove LED bar.
var myLEDBar = new LEDBar.MY9221(2, 3);
var directionBool = true;
// A note on timing:
// In the C++ example, the system sleeps 10 times for 50 milliseconds
// between each LED lighting. After the LED has reached the last light
// of the cycle, the system sleeps again for 1 second.
// The sleeps are cumulative, so the system has slept for 1.5 seconds
// sum total for each cycle.
// setInterval and setTimeout make asynchronous function calls;
// they aren't cumulative.
// In order to approximate the behavior of the C++ example, we need
// to call each iteration 1.5 seconds apart instead of 1 second apart.
var myInterval = setInterval(function()
{
// start showing LED strip with just the first one lit
show_LED(1, directionBool);
}, (1000 + (10*50)) );
function show_LED(level, direction)
{
// If it's less than 10
// light up the LED now
// call show_LED again in 50 ms
if (level <= 10)
{
myLEDBar.setBarLevel(level, directionBool);
setTimeout(show_LED, 50, ++level, directionBool);
}
// Switch LED lighting directions between lighting cycles
else
directionBool = !directionBool;
}
// When exiting: clear LED strip lights, clear interval, print exit message
process.on('SIGINT', function()
{
myLEDBar.setBarLevel(0, true);
clearInterval(myInterval);
console.log("Exiting...");
process.exit(0);
});

78
examples/my9221.cxx Normal file
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@ -0,0 +1,78 @@
/*
* 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 <iostream>
#include <signal.h>
#include "my9221.h"
using namespace std;
int shouldRun = true;
void sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main ()
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a MY9221, we use D2 for the data, and D3 for the
// data clock. This was tested with a Grove LED bar.
upm::MY9221* bar = new upm::MY9221(2, 3);
while (shouldRun)
{
// count up from green to red
for (int i=1; i<=10; i++)
{
bar->setBarLevel(i, true);
usleep(50000);
}
sleep(1);
// count down from red to green
for (int i=1; i<=10; i++)
{
bar->setBarLevel(i, false);
usleep(50000);
}
sleep(1);
}
//! [Interesting]
cout << "Exiting..." << endl;
// turn off the LED's
bar->setBarLevel(0, true);
delete bar;
return 0;
}